Brian E Whipker

Also known as: Brian E. Whipker

Plant Growth Regulators, Plant Nutrition, Disorder Diagnostics

Works (97)

Updated: November 1st, 2024 06:52

2024 journal article

A Data-driven Approach for Generating Leaf Tissue Nutrient Interpretation Ranges for Greenhouse Lettuce

HORTSCIENCE, 59(3), 267–277.

By: P. Veazie n, H. Chen n , K. Hicks*, J. Holley*, N. Eylands *, N. Mattson *, J. Boldt *, D. Brewer*, R. Lopez *, B. Whipker n 

author keywords: foliar tissue ranges; nutrient distribution; plant nutrition
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: April 8, 2024

2024 article

Coleus cultivars nutritional status as a function of leaf coloration

Whipker, B., Veazie, P., Ballance, M. S., Hicks, K., Owen, W. G., Rich, W. T., … Cockson, P. (2024, March 1). JOURNAL OF PLANT NUTRITION, Vol. 3.

By: B. Whipker n , P. Veazie n, M. Ballance n, K. Hicks*, W. Owen *, W. Rich*, L. Seltsam*, P. Cockson*

author keywords: Coleus scutellarioides; diagnostic; fertilizers; floriculture; nutrition; tissue analysis
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science; OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: April 1, 2024

2024 journal article

Peat Substrates Amended with Wood-based Biochar Do Not Influence the Efficacy of Paclobutrazol Drenches

HORTSCIENCE, 59(2), 248–254.

By: P. Veazie n, K. Jeong, B. Jackson n , D. Suchoff n  & B. Whipker n 

author keywords: begonia; pansy; plant growth regulators; poinsettia; soilless substrate
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
15. Life on Land (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: April 8, 2024

2024 article

Pentas: a data-driven approach for generating leaf tissue nutrient Interpretation ranges

Veazie, P., Chen, H., Hicks, K., Boldt, J., & Whipker, B. (2024, September 16). JOURNAL OF PLANT NUTRITION, Vol. 9.

By: P. Veazie n, H. Chen n , K. Hicks*, J. Boldt * & B. Whipker n 

author keywords: Foliar tissue ranges; nutrient distribution; Pentas lanceolata; plant nutrition; sufficiency range approach
UN Sustainable Development Goal Categories
2. Zero Hunger (OpenAlex)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: October 8, 2024

2023 journal article

Comparison of Peat-Perlite-based and Peat-Biochar-based Substrates with Varying Rates of Calcium Silicate on Growth and Cannabinoid Production of <i>Cannabis sativa</i> 'BaOx'

HORTSCIENCE, 58(10), 1250–1256.

By: P. Veazie n, M. Balance n, B. Whipker n  & K. Jeong

author keywords: cannabidiol; nutrient analysis; silicon; tetrahydrocannabinol
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
15. Life on Land (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: November 6, 2023

2023 article

Hemp yield and cannabinoid concentrations under variable nitrogen and potassium fertilizer rates

James, M. S., Vann, M. C., Suchoff, D. H., McGinnis, M., Whipker, B. E., Edmisten, K. L., & Gatiboni, L. C. (2023, April 18). CROP SCIENCE, Vol. 4.

By: M. James n, M. Vann n , D. Suchoff n , M. McGinnis*, B. Whipker n , K. Edmisten n, L. Gatiboni  n

UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID, NC State University Libraries
Added: March 31, 2023

2023 journal article

Predicting foliar nutrient concentrations and nutrient deficiencies of hydroponic lettuce using hyperspectral imaging

BIOSYSTEMS ENGINEERING, 230, 458–469.

By: P. Pandey n, P. Veazie n, B. Whipker n  & S. Young* 

author keywords: Imaging spectroscopy; Nutrient prediction; Hydroponic culture; Salanova green
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: July 10, 2023

2023 journal article

Spectral Discrimination of Macronutrient Deficiencies in Greenhouse Grown Flue-Cured Tobacco

PLANTS-BASEL, 12(2).

By: J. Henry n, P. Veazie n, M. Furman n, M. Vann n  & B. Whipker n 

author keywords: macronutrients; Hoagland solution; spectroscopy; principal component analysis; information entropy; classification modeling
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: February 13, 2023

2023 journal article

Supplemental lighting spectrum impact on sweet potato cutting production and rooting

CROP FORAGE & TURFGRASS MANAGEMENT, 9(1).

By: P. Veazie n, M. Ballance n & B. Whipker n 

UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science; OpenAlex)
13. Climate Action (Web of Science)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 7, 2023

2023 journal article

The Use of Silicon Substrate Amendments to Decrease Micronutrient Concentrations at Varying Micronutrient Fertility Rates with Cannabis sativa 'Auto CBG'

HORTSCIENCE, 58(7), 797–803.

By: P. Veazie n, K. Jeong, M. Ballance n & B. Whipker n 

author keywords: hemp; nutrient analysis; plant nutrition
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 21, 2023

2022 journal article

Hyperspectral Imaging With Machine Learning to Differentiate Cultivars, Growth Stages, Flowers, and Leaves of Industrial Hemp (Cannabis sativa L.)

FRONTIERS IN PLANT SCIENCE, 12.

By: Y. Lu*, S. Young n , E. Linder n, B. Whipker n  & D. Suchoff n 

author keywords: industrial hemp; classification; hyperspectral imaging; image processing; machine learning
UN Sustainable Development Goal Categories
16. Peace, Justice and Strong Institutions (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: February 28, 2022

2022 journal article

Impact of Macronutrient Fertility on Mineral Uptake and Growth of Lactuca sativa 'Salanova Green' in a Hydroponic System

HORTICULTURAE, 8(11).

By: P. Veazie n, P. Pandey n, S. Young n , M. Ballance n, K. Hicks* & B. Whipker n 

author keywords: lettuce; nutrient rates; fertility; nitrogen; phosphorus; potassium; calcium; magnesium; sulfur
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: November 18, 2022

2021 article

Characterization of nutrient disorders of ornamental Brassica oleracea 'Red Bor'

III INTERNATIONAL SYMPOSIUM ON GROWING MEDIA, COMPOSTING AND SUBSTRATE ANALYSIS, Vol. 1305, pp. 423–430.

By: P. Cockson* & B. Whipker* 

author keywords: kale; toxicity; deficiency; macronutrients; micronutrients; fertility
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: December 6, 2021

2021 article

Customizing the leaf tissue nutrient ranges for blue and pink hydrangeas

Landis, H., Hicks, K., McCall, I., Henry, J. B., & Whipker, B. E. (2021, July 7). JOURNAL OF PLANT NUTRITION, Vol. 45.

By: H. Landis n, K. Hicks*, I. McCall n, J. Henry  n & B. Whipker n 

author keywords: aluminum sulfate; leaf tissue; nutrient concentration; nutrient deficiency; nutrient uptake; plant nutrition
TL;DR: The difference in leaf tissue nutrient concentrations among cultivars and coloration, suggest that nutrient uptake in hydrangeas varies and that lab recommendations should be customized depending on cultivar and color production system. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: ORCID, Web Of Science, NC State University Libraries
Added: July 26, 2021

2021 article

Enhancing blue hydrangea sepal coloration by applying aluminum sulfate through constant liquid fertilization

III INTERNATIONAL SYMPOSIUM ON GROWING MEDIA, COMPOSTING AND SUBSTRATE ANALYSIS, Vol. 1305, pp. 455–461.

By: H. Landis, K. Hicks*, I. McCall*, J. Henry* & B. Whipker* 

author keywords: anthocyanin; delphinidin-3-glucoside; fertility; plant nutrition; Hydrangea macrophylla
UN Sustainable Development Goal Categories
2. Zero Hunger (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: December 6, 2021

2021 article

Industrial hemp vegetative growth affected by substrate composition

III INTERNATIONAL SYMPOSIUM ON GROWING MEDIA, COMPOSTING AND SUBSTRATE ANALYSIS, Vol. 1305, pp. 83–89.

By: J. Smith*, B. Jackson* , B. Whipker*  & W. Fonteno*

author keywords: Cannabis sativa L.; growing media; physical properties; vegetative growth; perlite
UN Sustainable Development Goal Categories
2. Zero Hunger (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: December 6, 2021

2021 article

Refinement of conventional and OMRI fertilization of pot grown Solanum lycopersicum

III INTERNATIONAL SYMPOSIUM ON GROWING MEDIA, COMPOSTING AND SUBSTRATE ANALYSIS, Vol. 1305, pp. 431–436.

By: P. Cockson* & B. Whipker* 

author keywords: tomato; OMRI; calcium; magnesium; nutrition; fertility; organich
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: December 6, 2021

2021 journal article

The Impacts of Micronutrient Fertility on the Mineral Uptake and Growth of Brassica carinata

AGRICULTURE-BASEL, 11(3), 221.

By: P. Cockson n, P. Veazie n, M. Davis n, G. Barajas n, A. Post n , C. Crozier n, R. Leon  n, R. Patterson n , B. Whipker n 

TL;DR: It is demonstrated that Brassica carinata has different fertility demands and will accumulate differing leaf tissue concentrations during its life stages, and serves as a baseline for further uptake and portioning work for BrassicaCarinata. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: March 9, 2021

2020 journal article

Characterization of Nutrient Disorders and Impacts on Chlorophyll and Anthocyanin Concentration of Brassica rapa var. Chinensis

AGRICULTURE-BASEL, 10(10).

By: P. Veazie  n, P. Cockson  n, J. Henry n, P. Perkins-Veazie n & B. Whipker n 

author keywords: toxicity; deficiency; macronutrients; micronutrients; nutrient disorders; tissue analysis; bok choy; carotenoids
TL;DR: The results indicate that visual symptoms of nutrient deficiency are well correlated with nutrient disorders, and changes in dry weight, chlorophyll, and anthocyanin did not show consistent changes across nutrient disorders. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: November 24, 2020

2020 journal article

Impact of Phosphorus on Cannabis sativa Reproduction, Cannabinoids, and Terpenes

APPLIED SCIENCES-BASEL, 10(21).

By: P. Cockson n, M. Schroeder-Moreno n , P. Veazie n, G. Barajas n, D. Logan n, M. Davis n, B. Whipker n 

author keywords: macronutrients; cannabis; hemp; cannabinoids; terpenes; life-cycle; phosphorus (P); cannabidiol (CBD); tetrahydrocannabinol (THC); foliar
TL;DR: The results indicate that, if a crop is being produced under greenhouse conditions, specifically for cannabinoid production, an excessive P supply did not result in higher cannabinoid production; however, plants grown with a higher rate of P fertility had greater plant width and may result in more buds per plant. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: November 30, 2020

2020 journal article

Liming Requirements of Greenhouse Peat-based Substrates Amended with Pine Wood Chips as a Perlite Alternative

HORTTECHNOLOGY, 30(2), 219–230.

By: W. Owen *, B. Jackson n , W. Fonteno n & B. Whipker n 

author keywords: aggregate; dolomitic limestone; horticultural substrate; loblolly pine; potting media
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: April 20, 2020

2020 journal article

Measures of Canopy Structure from Low-Cost UAS for Monitoring Crop Nutrient Status

Drones, 4(3), 36.

By: K. Montgomery n, J. Henry n, M. Vann n , B. Whipker n , A. Huseth n  & H. Mitasova n 

Contributors: K. Montgomery n, J. Henry n, M. Vann n , A. Huseth n  & H. Mitasova n 

author keywords: unmanned aerial systems; precision agriculture; canopy structure; crop surface model; visible band index; flue-cured tobacco
UN Sustainable Development Goal Categories
2. Zero Hunger (OpenAlex)
13. Climate Action (Web of Science)
15. Life on Land (Web of Science)
Sources: Web Of Science, NC State University Libraries, ORCID, Crossref
Added: July 24, 2020

2020 journal article

Night interruption lighting equally effective as daylength extension in retaining the vegetative state of Cannabis mother plants

CROP FORAGE & TURFGRASS MANAGEMENT, 6(1).

By: B. Whipker n , P. Cockson n & J. Smith n

UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID, NC State University Libraries
Added: March 8, 2021

2020 journal article

Restricting Phosphorous Can Manage Growth and Development of Containerized Sweet Basil, Dill, Parsley, and Sage

HORTSCIENCE, 55(11), 1722–1729.

By: C. Currey*, V. Metz*, N. Flax*, A. Litvin & B. Whipker n 

UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: November 24, 2020

2019 journal article

Characterization of Nutrient Disorders of Cannabis sativa

APPLIED SCIENCES-BASEL, 9(20).

By: P. Cockson n, H. Landis n, T. Smith n, K. Hicks* & B. Whipker n 

author keywords: macronutrients; micronutrients; cannabis; deficiency; toxicity; fertility; symptomology; hemp; diagnostics; plant tissue analysis; CBD; THC; foliar
TL;DR: Information in this study can be used to diagnose nutrient disorders in Cannabis sativa. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: December 2, 2019

2019 journal article

Expanding Leaf Tissue Nutrient Survey Ranges for Greenhouse Cannabidiol-Hemp

CROP FORAGE & TURFGRASS MANAGEMENT, 5(1).

By: H. Landis n, K. Hicks*, P. Cockson n, J. Henry  n, J. Smith n & B. Whipker n 

UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: February 11, 2019

2019 journal article

Restricted Phosphorus Fertilization Increases the Betacyanin Concentration and Red Foliage Coloration of Alternanthera

JOURNAL OF THE AMERICAN SOCIETY FOR HORTICULTURAL SCIENCE, 144(4), 264–273.

By: J. Henry  n, P. Perkins-Veazie n, I. McCall n & B. Whipker n 

author keywords: anthocyanin; betalain; floriculture; nutrition; phosphate; pigments
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 5, 2019

2018 journal article

Frost Damage of Carinata Grown in the Southeastern US

EDIS, 2018(3).

By: M. Mulvaney *, R. Seepaul *, I. Small *, D. Wright *, S. Paula-Moraes *, C. Crozier  n, P. Cockson  n, B. Whipker n , R. Leon  n

Source: ORCID
Added: October 2, 2020

2018 journal article

Nutrient Disorders o Burley and Flue-Cured Tobacco: Part 1-Macronutrient Deficiencies

CROP FORAGE & TURFGRASS MANAGEMENT, 4(1).

By: J. Henry  n, M. Vann n , I. McCall n, P. Cockson n & B. Whipker n 

UN Sustainable Development Goal Categories
3. Good Health and Well-being (OpenAlex)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: December 3, 2018

2018 journal article

Nutrient Disorders of Burley and Flue-Cured Tobacco: Part 2-Micronutrient Disorders

CROP FORAGE & TURFGRASS MANAGEMENT, 4(1).

By: J. Henry  n, M. Vann n , I. McCall n, P. Cockson n & B. Whipker n 

UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: December 3, 2018

2018 journal article

Phosphorus Restriction as an Alternative to Chemical Plant Growth Retardants in Angelonia and New Guinea Impatiens

HORTTECHNOLOGY, 28(2), 136–142.

By: J. Henry, I. McCall* & B. Whipker* 

author keywords: Angelonia angustifolia; floriculture; Impatiens hawkeri; nutrition; PGR; phosphate
TL;DR: Results indicate that a narrow range of P concentrations may be used to control stem elongation and keep plants compact. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2018 journal article

Source-sink interactions lead to atypical reproductive stage phosphorus deficiency symptoms on the upper foliage of Capsicum annuum and Chrysanthemum x morifolium

SCIENTIA HORTICULTURAE, 238, 288–294.

By: J. Henry  n, I. McCall n, P. Nelson n & B. Whipker n 

author keywords: Floriculture; Nutrition; Phosphate; Remobilization; Symptomology; Translocation
TL;DR: The developing upper foliage was deprived of P, leading to P deficiency symptoms due to competition with the maturing flowers and fruit, indicating that large quantities of P were translocated from vegetative tissues to the developing reproductive tissues. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2017 journal article

Growth Response of Herbaceous Ornamentals to Phosphorus Fertilization

HORTSCIENCE, 52(10), 1362–1367.

By: J. Henry  n, I. McCall n, B. Jackson n  & B. Whipker n 

author keywords: floriculture; nutrient deficiency; phosphate; plant growth control
TL;DR: A series of experiments investigated the effects of increasing phosphate– phosphorus (P) concentrations on the growth and development of four horticultural species and indicated that current P fertilization regimens exceed the P requirements of these bedding plants, and depending on species, concentrations of 5–15 mg·L P maximize growth. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2017 journal article

Modeling impact of nitrogen carrier and concentration on root substrate pH

JOURNAL OF PLANT NUTRITION, 40(15), 2101–2108.

By: J. Barnes *, P. Nelson n, D. Hesterberg n , W. Shi n  & B. Whipker n 

Contributors: J. Barnes *, P. Nelson n, D. Hesterberg n , W. Shi n  & B. Whipker n 

author keywords: ammonium; fertilizer; nitrate; nitrogen form; peat moss; potential acidity and basicity
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
6. Clean Water and Sanitation (OpenAlex)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

2016 article

5.32 - Nitrogen Deficiency: Don’t Let Bronze Foliage Fool You!

(2016, June 9). http://www.e-gro.org/pdf/2016_532.pdf

Brian Whipker

www.e-gro.org
Source: ORCID
Added: May 22, 2024

2016 journal article

Growth control of 'Imperial Dark Blue' Plumbago with ethephon, flurprimidol, and paclobutrazol substrate drenches

HortTechnology, 26(4), 493–496.

By: A. Barker, I. McCall & B. Whipker 

Source: NC State University Libraries
Added: August 6, 2018

2016 journal article

Nutrient disorders of Dianthus 'Bouquet Purple'

JOURNAL OF PLANT NUTRITION, 39(13), 1950–1957.

By: J. Barnes *, B. Whipker n , I. McCall n & J. Frantz*

author keywords: Pinks; Dianthus; deficiency; macronutrients; micronutrients; toxicity; fertilizer; symptoms
TL;DR: Unique symptomology was observed for plants grown under potassium- (K), B-, copper- (Cu), and molybdenum- (Mo) deficient conditions, which supported the need for a species-specific approach when characterizing nutrient disorders of floriculture crops. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2016 journal article

Paclobutrazol drench activity not affected in sphagnum peat-based substrates amended with pine wood chip aggregates

HortTechnology, 26(2), 156–163.

By: W. Owen, B. Jackson , B. Whipker  & W. Fonteno

Source: NC State University Libraries
Added: August 6, 2018

2016 journal article

Pine wood chips as an alternative to perlite in greenhouse substrates: Nitrogen requirements

HortTechnology, 26(2), 199–205.

By: W. Owen, B. Jackson , B. Whipker  & W. Fonteno

Source: NC State University Libraries
Added: August 6, 2018

2016 webpage

Tobacco Research Update:

(2016, July 21). http://tobacco.ces.ncsu.edu/2016/07/from-the-field-agronomy-notes-14/

Brian Whipker

tobacco.ces.ncsu.edu
Source: ORCID
Added: May 22, 2024

2015 conference paper

Characterization of nutrient disorders of Abutilon x hybridum 'Bella Yellow'

International conference and exhibition on soilless culture, 1062, 29–37.

By: J. Barnes*, B. Whipker* , I. McCall* & J. Frantz

UN Sustainable Development Goal Categories
2. Zero Hunger (OpenAlex)
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2015 conference paper

Characterization of nutrient disorders of Dahlia x hybrida 'Maxi Morelia'

International conference and exhibition on soilless culture, 1062, 39–47.

By: J. Barnes*, B. Whipker* , I. McCall* & J. Frantz

TL;DR: The nutrient deficiency treatments were induced with a complete nutrient formula minus one of the nutrients, and Boron toxicity was also induced by increasing the element 10A€™ higher than the complete nutrients. (via Semantic Scholar)
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2015 conference paper

Characterization of nutrient disorders of Fuchsia x hybrida 'Gartenmeister Bonstedt'

International conference and exhibition on soilless culture, 1062, 49–57.

By: J. Barnes*, B. Whipker* , I. McCall* & J. Frantz

TL;DR: Fuchsia A— hybrida ‘Gartenmeister Bonstedt⁙ plants were grown in silica sand culture to induce and photograph nutritional disorder symptoms and typical symptomology of nutrient disorders is presented. (via Semantic Scholar)
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2015 conference paper

Characterization of nutrient disorders of Senecio cineraria 'Silver Mist'

International conference and exhibition on soilless culture, 1062, 59–66.

By: J. Barnes*, B. Whipker* , I. McCall* & J. Frantz

TL;DR: Senecio cineraria plants were grown in silica sand culture to induce and photograph nutritional disorder symptoms and typical symptomology of nutrient disorders and critical tissue concentrations are presented. (via Semantic Scholar)
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2015 article

Flurprimidol preplant corm soaks or drenches affect potted gladiolus production

XXIX INTERNATIONAL HORTICULTURAL CONGRESS ON HORTICULTURE: SUSTAINING LIVES, LIVELIHOODS AND LANDSCAPES (IHC2014): INTERNATIONAL SYMPOSIUM ON ORNAMENTAL HORTICULTURE IN THE GLOBAL GREENHOUSE, Vol. 1104, pp. 103–108.

By: I. Ahmad, B. Whipker*  & J. Dole*

author keywords: plant growth retardants; production system; Topflor
UN Sustainable Development Goal Categories
2. Zero Hunger (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2015 journal article

Paclobutrazol or Ancymidol Effects on Postharvest Performance of Potted Ornamental Plants and Plugs

HORTSCIENCE, 50(9), 1370–1374.

By: I. Ahmad n, B. Whipker n  & J. Dole n

author keywords: Helianthus annuus; Petunia x hybrida; Tagetes erecta; Zinnia elegans; plant growth retardants; postharvest durability; simulated shipping
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2015 journal article

Paclobutrazol or uniconazole effects on ethylene sensitivity of potted ornamental plants and plugs

SCIENTIA HORTICULTURAE, 192, 350–356.

By: I. Ahmad n, J. Dole n & B. Whipker n 

author keywords: Cuphea hyssopifolia; Petunia x hybrida; Portulaca oleracea; Plant growth retardants; Simulated shipping; Ethylene
TL;DR: Use of paclobutrazol or uniconazole controlled excessive plant growth of all three species, and plant growth retardants had no effect on postharvest ethylene sensitivity as most flowers abscised from all plants exposed to exogenous ethylene. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2015 article

Plant Growth Regulator Drenches Suppress Foliage and Inflorescence Height of 'Leia' Pineapple Lily

Carlson, A. S., Dole, J. M., & Whipker, B. E. (2015, February). HORTTECHNOLOGY, Vol. 25, pp. 105–109.

By: A. Carlson n, J. Dole n & B. Whipker n 

author keywords: Eucomis; flurprimidol; paclobutrazol; Piccolo; Sumagic; Topflor; uniconazole
TL;DR: Plant growth regulators (PGRs) are used to control excessive plant growth in potted crops to improve quality and compactness for shipping and display and resulted in excessive stunting with none of the plants being marketable. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2014 conference paper

Automated system for inducing nutrient disorders utilized in grower-based guides: Exacum affine 'Royal Dane Blue'

International symposium on growing media and soilless cultivation, 1034, 599–605.

By: B. Whipker* , I. McCall*, J. Barnes* & J. Frantz

UN Sustainable Development Goal Categories
2. Zero Hunger (OpenAlex)
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2014 conference paper

Characterization of nutrient disorders of Gazania rigens 'Daybreak White'

International symposium on growing media and soilless cultivation, 1034, 459–464.

By: J. Barnes*, B. Whipker* , I. McCall* & J. Frantz

UN Sustainable Development Goal Categories
2. Zero Hunger (OpenAlex)
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2014 conference paper

Characterization of nutrient disorders of Solenostemon scutellarioides 'Lime Light' in silica-sand culture

International symposium on growing media and soilless cultivation, 1034, 607–613.

By: Y. Jin, B. Fair*, B. Whipker* , I. McCall* & J. Frantz

Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2014 article

Fertilizer Formulation Effect on pH of Fallow Versus Planted Container Substrate

INTERNATIONAL SYMPOSIUM ON GROWING MEDIA AND SOILLESS CULTIVATION, Vol. 1034, pp. 465–469.

By: J. Barnes*, P. Nelson*, B. Whipker* , D. Hesterberg & W. Shi

author keywords: fertigation; pot culture; sphagnum peat moss; potential acidity; potential basicity
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
6. Clean Water and Sanitation (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2014 article

Optimizing Fertilizer Rates for Two Cultivars of Graziosa Geraniums

INTERNATIONAL SYMPOSIUM ON GROWING MEDIA AND SOILLESS CULTIVATION, Vol. 1034, pp. 471–476.

By: J. Barnes*, B. Whipker*  & I. McCall*

author keywords: fertilizer; leaching; macronutrients; nitrogen; (Pelargonium x domesticum) x crispum; phosphorus; potassium
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science; OpenAlex)
13. Climate Action (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2014 journal article

Paclobutrazol and ancymidol lower water use of potted ornamental plants and plugs

European Journal of Horticultural Science, 79(6), 318–326.

By: I. Ahmad, B. Whipker , J. Dole & I. McCall

Source: NC State University Libraries
Added: August 6, 2018

2014 journal article

Statistical model for describing macronutrient impacts on container substrate pH over time

HortScience, 49(2), 207–214.

By: J. Barnes, P. Nelson, B. Whipker , D. Dickey, D. Hesterberg  & W. Shi 

Source: NC State University Libraries
Added: August 6, 2018

2013 conference paper

Characterization of nutrient disorders of Gomphrena globosa 'Las Vegas purple'

International symposium on responsible peatland management and growing media production, 982, 69–74.

By: J. Barnes*, B. Whipker* , I. McCall* & J. Frantz

UN Sustainable Development Goal Categories
2. Zero Hunger (OpenAlex)
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2013 journal article

Elevated relative humidity increases the incidence of distorted growth and boron deficiency in bedding plant plugs

HortScience, 48(3), 311–313.

By: B. Krug, B. Whipker , I. McCall & J. Frantz

Source: NC State University Libraries
Added: August 6, 2018

2013 journal article

Greenhouse and landscape growth of tiger lily cultivars following flurprimidol preplant bulb soaks

HortTechnology, 23(6), 820–822.

By: J. Barnes, B. Whipker , W. Buhler & I. McCall

Source: NC State University Libraries
Added: August 6, 2018

2013 article

Impact of Mature Dairy Manure Compost and Water Content on Wettability and Bulk Density in Peat Moss-Perlite Root Substrate

INTERNATIONAL SYMPOSIUM ON RESPONSIBLE PEATLAND MANAGEMENT AND GROWING MEDIA PRODUCTION, Vol. 982, pp. 75–80.

By: J. Barnes*, P. Nelson*, W. Fonteno*, B. Whipker*  & K. Jeong

author keywords: hydration; organic substrates; peat moss alternatives; soilless substrates; transportation
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2013 conference paper

Pine wood chips as an alternative to perlite: Cultural parameters to consider (c)

Proceedings of the international plant propagators' society, 1014, 345–349.

By: W. Owen, B. Jackson* , W. Fonteno* & B. Whipker* 

Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2012 journal article

Height control of 'Hot Lips' Hybrid sage to flurprimidol substrate drench

HortTechnology, 22(4), 539–541.

By: B. Fair, B. Whipker , I. McCall & W. Buhler

Source: NC State University Libraries
Added: August 6, 2018

2012 journal article

Nutrient disorders of 'Evolution' Mealy-cup Sage

HortTechnology, 22(4), 502–508.

By: J. Barnes, B. Whipker , I. McCall & J. Frantz

Source: NC State University Libraries
Added: August 6, 2018

2012 journal article

Substrate drenches containing flurprimidol suppress height of 'Nellie White' Easter lilies

HortTechnology, 22(2), 164–168.

By: C. Currey, R. Lopez, B. Krug, I. McCall & B. Whipker 

Source: NC State University Libraries
Added: August 6, 2018

2011 journal article

NUTRIENT DISORDER SYMPTOMOLOGY AND FOLIAR CONCENTRATIONS OF CLERODENDRUM THOMSONIAE

JOURNAL OF PLANT NUTRITION, 34(7), 1079–1086.

By: K. Davis*, C. Niedziela *, M. Reddy*, B. Whipker n  & J. Frantz*

author keywords: bleeding glory-bower; tropical bleeding-heart vine; glory tree; bag flower; deficiency; fertilizer; macronutrient; micronutrient; symptoms
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2010 journal article

GERANIUM LEAF TISSUE NUTRIENT SUFFICIENCY RANGES BY CHRONOLOGICAL AGE

JOURNAL OF PLANT NUTRITION, 33(3), 339–350.

By: B. Krug n, B. Whipker n , I. McCall n & B. Cleveland*

author keywords: nutrition; Pelargonium x hortorum
TL;DR: Two cultivars of geranium (Pelargonium × hortorum) were grown under five different fertilizer regimes, 50, 100, 200, 300, or 400 mg·L−1 nitrogen, and each contained higher nutrient concentrations than the other. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2009 journal article

Characterization of calcium and boron deficiency and the effects of temporal disruption of calcium and boron supply on pansy, petunia, and gerbera plugs

HortScience, 44(6), 1566–1572.

By: B. Krug, B. Whipker , J. Frantz & I. McCall

Source: NC State University Libraries
Added: August 6, 2018

2007 journal article

Caladium growth control with flurprimidol paclobutrazol, and uniconazole

HortTechnology, 17(3), 368–370.

By: B. Krug, B. Whipker  & I. McCall

Source: NC State University Libraries
Added: August 6, 2018

2007 journal article

Foliar symptomology and tissue concentrations of nutrient-deficient vegetative strawflower plants

COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS, 38(17-18), 2279–2294.

By: J. Gibson *, A. Williams n, B. Whipker n , P. Nelson n, J. Dole n, B. Cleveland*, F. Walls*

author keywords: nutritional disorders; hydroponics; bracteantha bracteata
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2006 article

Flurprimidol substrate drenches and foliar sprays control growth of 'Blue Champion' exacum

HORTTECHNOLOGY, Vol. 16, pp. 354–356.

By: B. Whipker n , I. McCall n & B. Krug n

author keywords: Exacum affine; growth retardant; persian violet; Topflor
TL;DR: Flurprimidol substrate drenches were more consistent in controlling plant growth than foliar sprays and with the use of flexacum growers have another plant growth regulator (PGR) available to control excessive growth. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2006 article

Hyacinth height bulb soaks of control using preplant flurprimidol

HORTTECHNOLOGY, Vol. 16, pp. 370–375.

By: B. Krug n, B. Whipker n  & I. McCall n

author keywords: bonzi; paclobutrazol; piccolo; plant growth regulators; sumagic; topflor; uniconazole
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2006 journal article

Narcissus response to plant growth regulators

HortTechnology, 16(1), 129–132.

By: B. Krug, B. Whipker , I. McCall & J. Dole

Source: NC State University Libraries
Added: August 6, 2018

2005 journal article

Comparison of flurprimidol to ancymidol, paclobutrazol, and uniconazole for tulip height control

HortTechnology, 15(2), 370–373.

By: B. Krug, B. Whipker , I. McCall & J. Dole

Source: NC State University Libraries
Added: August 6, 2018

2005 journal article

Comparison of flurprimidol to ethephon, paclobutrazol, and uniconazole for hyacinth height control

HortTechnology, 15(4), 872–874.

By: B. Krug, B. Whipker , I. McCall & J. Dole

Source: NC State University Libraries
Added: August 6, 2018

2005 journal article

Flurprimidol is effective at controlling height of 'Star Gazer' oriental lily

HortTechnology, 15(2), 373–376.

By: B. Krug, B. Whipker  & I. McCall

Source: NC State University Libraries
Added: August 6, 2018

2005 journal article

Timing of PourThru affects pH, electrical conductivity, and leachate volume

COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS, 36(11-12), 1573–1581.

By: T. Cavins n, B. Whipker n  & W. Fonteno n

author keywords: soil test; moisture content
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2004 journal article

Calculating pansy production costs

North Carolina Flower Growers' Bulletin, 49(4), 1.

By: B. Whipker 

Source: NC State University Libraries
Added: August 6, 2018

2004 journal article

Controlling stem topple of pot tulips

North Carolina Flower Growers' Bulletin, 49(1), 14.

By: B. Krug, B. Whipker , I. McCall & J. Dole

Source: NC State University Libraries
Added: August 6, 2018

2004 journal article

Establishment of calibration curves for comparing pour-through and saturated media extract nutrient values

HortScience, 39(7), 1635–1639.

By: T. Cavins, B. Whipker  & W. Fonteno

Source: NC State University Libraries
Added: August 6, 2018

2004 journal article

Flurprimidol foliar sprays and substrate drenches control growth of 'Pacino' pot sunflowers

HortTechnology, 14(3), 411–414.

By: B. Whipker , I. McCall, J. Gibson & T. Cavins

Source: NC State University Libraries
Added: August 6, 2018

2004 journal article

National Poinsettia Trial Program highlights

North Carolina Flower Growers' Bulletin, 49(1), 1.

By: J. Dole, I. McCall & B. Whipker 

Source: NC State University Libraries
Added: August 6, 2018

2003 journal article

Comparing paclobutrazols

North Carolina Flower Growers' Bulletin, 48(6), 10.

By: B. Whipker  & I. McCall

Source: NC State University Libraries
Added: August 6, 2018

2003 article

Efficacy of flurprimidol (topflor) on bedding plants

ELEGANT SCIENCE IN FLORICULTURE, pp. 413–418.

By: B. Whipker* , I. McCall*, J. Gibson* & T. Cavins*

author keywords: ageratum; begonia; celosia; coleus; plant growth regulators; salvia; vinca
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2003 article

Efficacy of plant growth regulators on the growth of Argyranthemum frutescens 'Comet Pink'

ELEGANT SCIENCE IN FLORICULTURE, pp. 213–216.

By: J. Gibson*, T. Cavins*, L. Greer*, B. Whipker*  & J. Dole*

author keywords: marguerite daisy; B-Nine; Bonzi; Flurprimidol; Sumagic; triazoles
UN Sustainable Development Goal Categories
2. Zero Hunger (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2003 journal article

Efficacy of plant growth regulators on the growth of vigorous osteospermum cultivars

HortTechnology, 13(1), 132–135.

By: J. Gibson & B. Whipker 

Source: NC State University Libraries
Added: August 6, 2018

2003 journal article

FERTCALC -- a fertilizer mixing calculator

North Carolina Flower Growers' Bulletin, 48(6), 8.

By: B. Krug, B. Whipker  & M. Peet 

Source: NC State University Libraries
Added: August 6, 2018

2003 journal article

Ornamental cabbage quality improved by continual fertilization through center-head coloration

HORTSCIENCE, 38(7), 1381–1384.

By: J. Gibson  n & B. Whipker n 

author keywords: Brassica oleracea var. acephala; nitrogen; potassium; tissue analysis
TL;DR: Investigation of N to K ratios for plant growth of ornamental cabbage and the effects of continual and discontinued fertilization during the period of coloration found plants were still actively growing as measured by increased shoot mass during the early stages ofcoloration and growers should continue to provide a complete analysis fertilizer at N concentrations ≥150 mg.L -1 until market date. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2003 journal article

Ralstonia solanacearum race 3 biovar 2 losses in North Carolina

North Carolina Flower Growers' Bulletin, 48(4), 4.

By: B. Whipker 

Source: NC State University Libraries
Added: August 6, 2018

2001 journal article

Ornamental cabbage and kale cultivar comparison study: Growth characteristics and response to daminozide and uniconazole foliar sprays

HortTechnology, 11(3), 376–380.

By: J. Gibson & B. Whipker 

Source: NC State University Libraries
Added: August 6, 2018

2001 journal article

Ornamental cabbage and kale growth responses to daminozide, paclobutrazol, and uniconazole

HortTechnology, 11(2), 226–230.

By: J. Gibson & B. Whipker 

Source: NC State University Libraries
Added: August 6, 2018

2001 journal article

Pampas grass responses to ancymidol, paclobutrazol, and uniconazole substrate drenches

HORTTECHNOLOGY, 11(2), 216–219.

By: J. Sellmer*, C. Adkins*, I. McCall n & B. Whipker* 

author keywords: A-Rest; bonzi; sumagic; growth retardant; PGR; Cortaderia selloana
TL;DR: The results demonstrate that plant growth regulators can be effectively and economically applied in the greenhouse production of pampas grass. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2000 book

PourThru nutritional monitoring manual

(p. 40). Raleigh, N.C. : North Carolina State University.

By: B. Whipker , W. Fonteno, T. Cavins & D. Bailey

Source: NC State University Libraries
Added: August 6, 2018

1999 journal article

Effect of fertilizer concentration on growth of double impatiens

HortTechnology, 9(3), 425.

By: B. Whipker n , S. Dasoju*, M. Dosmann* & J. Iles*

TL;DR: Double impatiens (Impatiens wallerana Hook.) ‘Blackberry Ice’ and ‘Purple Magic’ (green-leaf) were grown on flood benches and irrigated with 50, 100, 200, or 300 mg·L–1 (ppm) N to study the effect of fertility on growth and development. (via Semantic Scholar)
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018

1998 journal article

Comparison of hydroponic solutions for poinsettia nutritional studies

JOURNAL OF PLANT NUTRITION, 21(3), 531–543.

By: B. Whipker n  & P. Hammer*

UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

1998 journal article

Cost of producing ornamental cabbage and kale

North Carolina Flower Growers' Bulletin, 43(4), 9.

By: B. Whipker 

Source: NC State University Libraries
Added: August 6, 2018

1998 journal article

Efficacy of A-Rest, Bonzi, and Sumagic on growth of tuberous-rooted dahlias

North Carolina Flower Growers' Bulletin, 43(2), 12.

By: B. Whipker 

Source: NC State University Libraries
Added: August 6, 2018

1998 journal article

Nutrient uptake in vegetative poinsettias grown with two fertilizer concentrations and two pinching dates

JOURNAL OF PLANT NUTRITION, 21(3), 545–559.

By: B. Whipker n  & P. Hammer*

UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

1998 journal article

Research report: F ertilizer rate effects on growth of variegated and green-leaved double Impatiens

North Carolina Flower Growers' Bulletin, 43(5), 15.

By: B. Whipker , S. Dasoju, M. Dosmann & J. Iles

Source: NC State University Libraries
Added: August 6, 2018

Employment

Updated: July 16th, 2016 08:16

1998 - present

North Carolina State University Raleigh, NC, US
Professor of Floriculture, Extension Specialist Horticultural Science

Education

Updated: July 16th, 2016 08:11

1992 - 1996

Purdue University West Lafayette, IN, US
PhD Horticulture and Landscape Design

Citation Index includes data from a number of different sources. If you have questions about the sources of data in the Citation Index or need a set of data which is free to re-distribute, please contact us.

Certain data included herein are derived from the Web of Science© and InCites© (2024) of Clarivate Analytics. All rights reserved. You may not copy or re-distribute this material in whole or in part without the prior written consent of Clarivate Analytics.