Brian Whipker

Works (70)

2019 journal article

Characterization of Nutrient Disorders of Cannabis sativa

APPLIED SCIENCES-BASEL, 9(20).

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

Source: Web Of Science
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, K. Hicks, P. Cockson, J. Henry, J. Smith & B. Whipker

Source: 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, P. Perkins-Veazie, I. McCall & B. Whipker

Source: Web Of Science
Added: August 5, 2019

2018 journal article

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

CROP FORAGE & TURFGRASS MANAGEMENT, 4(1).

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

Source: NC State University Libraries
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, M. Vann, I. McCall, P. Cockson & B. Whipker

Source: NC State University Libraries
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

Source: 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, I. McCall, P. Nelson & B. Whipker

Source: 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, I. McCall, B. Jackson & B. Whipker

Source: 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, D. Hesterberg, W. Shi & B. Whipker

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

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, I. McCall & J. Frantz

Source: 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

2015 conference paper

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

In International conference and exhibition on soilless culture (Vol. 1062, pp. 29–37).

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

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

2015 conference paper

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

In International conference and exhibition on soilless culture (Vol. 1062, pp. 39–47).

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

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

2015 conference paper

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

In International conference and exhibition on soilless culture (Vol. 1062, pp. 49–57).

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

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

2015 conference paper

Characterization of nutrient disorders of Senecio cineraria 'Silver Mist'

In International conference and exhibition on soilless culture (Vol. 1062, pp. 59–66).

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

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

2015 conference paper

Flurprimidol preplant corm soaks or drenches affect potted gladiolus production

In 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

Source: 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, B. Whipker & J. Dole

Source: 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, J. Dole & B. Whipker

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

2015 journal article

Plant growth regulator drenches suppress foliage and inflorescence height of 'Leia' pineapple lily

HortTechnology, 25(1), 105–109.

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

Source: 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'

In International symposium on growing media and soilless cultivation (Vol. 1034, pp. 599–605).

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

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

2014 conference paper

Characterization of nutrient disorders of Gazania rigens 'Daybreak White'

In International symposium on growing media and soilless cultivation (Vol. 1034, pp. 459–464).

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

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

2014 conference paper

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

In International symposium on growing media and soilless cultivation (Vol. 1034, pp. 607–613).

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

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

2014 conference paper

Fertilizer formulation effect on pH of fallow versus planted container substrate

In International symposium on growing media and soilless cultivation (Vol. 1034, pp. 465–469).

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

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

2014 conference paper

Optimizing fertilizer rates for two cultivars of Graziosa geraniums

In International symposium on growing media and soilless cultivation (Vol. 1034, pp. 471–476).

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

Source: 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.

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

2013 conference paper

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

In International symposium on responsible peatland management and growing media production (Vol. 982, pp. 69–74).

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

Source: 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 conference paper

Impact of mature dairy manure compost and water content on wettability and bulk density in peat moss-perlite root substrate

In 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

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

2013 conference paper

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

In Proceedings of the international plant propagators' society (Vol. 1014, pp. 345–349).

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

Source: 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 & J. Frantz

Source: 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, B. Whipker, I. McCall & B. Cleveland

Source: 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, B. Whipker, P. Nelson, J. Dole, B. Cleveland, F. Walls

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

2006 journal article

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

HortTechnology, 16(2), 354–356.

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

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

2006 journal article

Hyacinth height bulb soaks of control using preplant flurprimidol

HortTechnology, 16(2), 370–375.

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

Source: 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(12-Nov), 1573–1581.

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

Source: 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 journal article

Efficacy of flurprimidol (Topflor) on bedding plants

A Proceedings of the XXVI International Horticultural Congress, Toronto, Canada, 11-17 August, 2002 : Elegant Science in Floriculture.

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

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

2003 journal article

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

A Proceedings of the XXVI International Horticultural Congress, Toronto, Canada, 11-17 August, 2002 : Elegant Science in Floriculture.

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

Source: 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 & B. Whipker

Source: 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 & B. Whipker

Source: 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, S. Dasoju, M. Dosmann & J. Iles

Source: 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 & P. Hammer

Source: 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 & P. Hammer

Source: 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