@article{owen_jackson_fonteno_whipker_2020, title={Liming Requirements of Greenhouse Peat-based Substrates Amended with Pine Wood Chips as a Perlite Alternative}, volume={30}, ISBN={1943-7714}, DOI={10.21273/HORTTECH04506-19}, number={2}, journal={HORTTECHNOLOGY}, author={Owen, W. Garrett and Jackson, Brian E. and Fonteno, William C. and Whipker, Brian E.}, year={2020}, month={Apr}, pages={219–230} }
 @article{cockson_landis_smith_hicks_whipker_2019, title={Characterization of Nutrient Disorders of Cannabis sativa}, volume={9}, ISBN={2076-3417}, DOI={10.3390/app9204432}, number={20}, journal={APPLIED SCIENCES-BASEL}, author={Cockson, Paul and Landis, Hunter and Smith, Turner and Hicks, Kristin and Whipker, Brian E.}, year={2019}, month={Oct} }
 @article{landis_hicks_cockson_henry_smith_whipker_2019, title={Expanding Leaf Tissue Nutrient Survey Ranges for Greenhouse Cannabidiol-Hemp}, volume={5}, DOI={10.2134/cftm2018.09.0081}, number={1}, journal={CROP FORAGE & TURFGRASS MANAGEMENT}, author={Landis, Hunter and Hicks, Kristin and Cockson, Paul and Henry, Josh B. and Smith, James T. and Whipker, Brian E.}, year={2019} }
 @article{henry_perkins-veazie_mccall_whipker_2019, title={Restricted Phosphorus Fertilization Increases the Betacyanin Concentration and Red Foliage Coloration of Alternanthera}, volume={144}, ISBN={2327-9788}, DOI={10.21273/JASHS04702-19}, number={4}, journal={JOURNAL OF THE AMERICAN SOCIETY FOR HORTICULTURAL SCIENCE}, author={Henry, Josh B. and Perkins-Veazie, Penelope and McCall, Ingram and Whipker, Brian E.}, year={2019}, month={Jul}, pages={264–273} }
 @article{henry_vann_mccall_cockson_whipker_2018, title={Nutrient Disorders o Burley and Flue-Cured Tobacco: Part 1-Macronutrient Deficiencies}, volume={4}, DOI={10.2134/cftm2017.11.0076}, number={1}, journal={CROP FORAGE & TURFGRASS MANAGEMENT}, author={Henry, Josh B. and Vann, Matthew and McCall, Ingram and Cockson, Paul and Whipker, Brian E.}, year={2018} }
 @article{henry_vann_mccall_cockson_whipker_2018, title={Nutrient Disorders of Burley and Flue-Cured Tobacco: Part 2-Micronutrient Disorders}, volume={4}, DOI={10.2134/cftm2017.11.0077}, number={1}, journal={CROP FORAGE & TURFGRASS MANAGEMENT}, author={Henry, Josh B. and Vann, Matthew and McCall, Ingram and Cockson, Paul and Whipker, Brian E.}, year={2018} }
 @article{henry_mccall_whipker_2018, title={Phosphorus restriction as an alternative to chemical plant growth retardants in Angelonia and New Guinea impatiens}, volume={28}, DOI={10.21273/horttech03939-17}, number={2}, journal={HortTechnology}, author={Henry, J. B. and McCall, I. and Whipker, B. E.}, year={2018}, pages={136–142} }
 @article{henry_mccall_nelson_whipker_2018, title={Source-sink interactions lead to atypical reproductive stage phosphorus deficiency symptoms on the upper foliage of Capsicum annuum and Chrysanthemum x morifolium}, volume={238}, DOI={10.1016/j.scienta.2018.04.069}, journal={Scientia Horticulturae}, author={Henry, J. B. and McCall, I. and Nelson, P. V. and Whipker, B. E.}, year={2018}, pages={288–294} }
 @article{henry_mccall_jackson_whipker_2017, title={Growth response of herbaceous ornamentals to phosphorus fertilization}, volume={52}, DOI={10.21273/hortsci12256-17}, number={10}, journal={HortScience}, author={Henry, J. B. and McCall, I. and Jackson, B. and Whipker, B. E.}, year={2017}, pages={1362–1367} }
 @article{barnes_nelson_hesterberg_shi_whipker_2017, title={Modeling impact of nitrogen carrier and concentration on root substrate pH}, volume={40}, DOI={10.1080/01904167.2016.1143502}, number={15}, journal={Journal of Plant Nutrition}, author={Barnes, J. and Nelson, P. V. and Hesterberg, D. and Shi, W. and Whipker, B. E.}, year={2017}, pages={2101–2108} }
 @article{barker_mccall_whipker_2016, title={Growth control of 'Imperial Dark Blue' Plumbago with ethephon, flurprimidol, and paclobutrazol substrate drenches}, volume={26}, number={4}, journal={HortTechnology}, author={Barker, A. and McCall, I. and Whipker, B. E.}, year={2016}, pages={493–496} }
 @article{barnes_whipker_mccall_frantz_2016, title={Nutrient disorders of Dianthus 'Bouquet Purple'}, volume={39}, DOI={10.1080/01904167.2016.1143504}, number={13}, journal={Journal of Plant Nutrition}, author={Barnes, J. and Whipker, B. and McCall, I. and Frantz, J.}, year={2016}, pages={1950–1957} }
 @article{owen_jackson_whipker_fonteno_2016, title={Paclobutrazol drench activity not affected in sphagnum peat-based substrates amended with pine wood chip aggregates}, volume={26}, number={2}, journal={HortTechnology}, author={Owen, W. G. and Jackson, B. E. and Whipker, B. E. and Fonteno, W. C.}, year={2016}, pages={156–163} }
 @article{owen_jackson_whipker_fonteno_2016, title={Pine wood chips as an alternative to perlite in greenhouse substrates: Nitrogen requirements}, volume={26}, number={2}, journal={HortTechnology}, author={Owen, W. G. and Jackson, B. E. and Whipker, B. E. and Fonteno, W. C.}, year={2016}, pages={199–205} }
 @inproceedings{barnes_whipker_mccall_frantz_2015, title={Characterization of nutrient disorders of Abutilon x hybridum 'Bella Yellow'}, volume={1062}, DOI={10.17660/actahortic.2015.1062.3}, booktitle={International conference and exhibition on soilless culture}, author={Barnes, J. and Whipker, B. and McCall, I. and Frantz, J.}, year={2015}, pages={29–37} }
 @inproceedings{barnes_whipker_mccall_frantz_2015, title={Characterization of nutrient disorders of Dahlia x hybrida 'Maxi Morelia'}, volume={1062}, DOI={10.17660/actahortic.2015.1062.4}, booktitle={International conference and exhibition on soilless culture}, author={Barnes, J. and Whipker, B. and McCall, I. and Frantz, J.}, year={2015}, pages={39–47} }
 @inproceedings{barnes_whipker_mccall_frantz_2015, title={Characterization of nutrient disorders of Fuchsia x hybrida 'Gartenmeister Bonstedt'}, volume={1062}, DOI={10.17660/actahortic.2015.1062.5}, booktitle={International conference and exhibition on soilless culture}, author={Barnes, J. and Whipker, B. and McCall, I. and Frantz, J.}, year={2015}, pages={49–57} }
 @inproceedings{barnes_whipker_mccall_frantz_2015, title={Characterization of nutrient disorders of Senecio cineraria 'Silver Mist'}, volume={1062}, DOI={10.17660/actahortic.2015.1062.6}, booktitle={International conference and exhibition on soilless culture}, author={Barnes, J. and Whipker, B. and McCall, I. and Frantz, J.}, year={2015}, pages={59–66} }
 @inproceedings{ahmad_whipker_dole_2015, title={Flurprimidol preplant corm soaks or drenches affect potted gladiolus production}, volume={1104}, DOI={10.17660/actahortic.2015.1104.16}, booktitle={Xxix international horticultural congress on horticulture: sustaining lives, livelihoods and landscapes (ihc2014): international symposium on ornamental horticulture in the global greenhouse}, author={Ahmad, I. and Whipker, B. E. and Dole, J. M.}, year={2015}, pages={103–108} }
 @article{ahmad_whipker_dole_2015, title={Paclobutrazol or ancymidol effects on postharvest performance of potted ornamental plants and plugs}, volume={50}, DOI={10.21273/hortsci.50.9.1370}, number={9}, journal={HortScience}, author={Ahmad, I. and Whipker, B. E. and Dole, J. M.}, year={2015}, pages={1370–1374} }
 @article{ahmad_dole_whipker_2015, title={Paclobutrazol or uniconazole effects on ethylene sensitivity of potted ornamental plants and plugs}, volume={192}, DOI={10.1016/j.scienta.2015.04.032}, journal={Scientia Horticulturae}, author={Ahmad, I. and Dole, J. M. and Whipker, B. E.}, year={2015}, pages={350–356} }
 @article{carlson_dole_whipker_2015, title={Plant growth regulator drenches suppress foliage and inflorescence height of 'Leia' pineapple lily}, volume={25}, DOI={10.21273/horttech.25.1.105}, number={1}, journal={HortTechnology}, author={Carlson, A. S. and Dole, J. M. and Whipker, B. E.}, year={2015}, pages={105–109} }
 @inproceedings{whipker_mccall_barnes_frantz_2014, title={Automated system for inducing nutrient disorders utilized in grower-based guides: Exacum affine 'Royal Dane Blue'}, volume={1034}, DOI={10.17660/actahortic.2014.1034.76}, booktitle={International symposium on growing media and soilless cultivation}, author={Whipker, B. E. and McCall, I. and Barnes, J. and Frantz, J.}, year={2014}, pages={599–605} }
 @inproceedings{barnes_whipker_mccall_frantz_2014, title={Characterization of nutrient disorders of Gazania rigens 'Daybreak White'}, volume={1034}, DOI={10.17660/actahortic.2014.1034.56}, booktitle={International symposium on growing media and soilless cultivation}, author={Barnes, J. and Whipker, B. E. and McCall, I. and Frantz, J.}, year={2014}, pages={459–464} }
 @inproceedings{jin_fair_whipker_mccall_frantz_2014, title={Characterization of nutrient disorders of Solenostemon scutellarioides 'Lime Light' in silica-sand culture}, volume={1034}, DOI={10.17660/actahortic.2014.1034.77}, booktitle={International symposium on growing media and soilless cultivation}, author={Jin, Y. and Fair, B. A. and Whipker, B. E. and McCall, I. and Frantz, J.}, year={2014}, pages={607–613} }
 @inproceedings{barnes_nelson_whipker_hesterberg_shi_2014, title={Fertilizer formulation effect on pH of fallow versus planted container substrate}, volume={1034}, DOI={10.17660/actahortic.2014.1034.57}, booktitle={International symposium on growing media and soilless cultivation}, author={Barnes, J. and Nelson, P. and Whipker, B. E. and Hesterberg, D. and Shi, W.}, year={2014}, pages={465–469} }
 @inproceedings{barnes_whipker_mccall_2014, title={Optimizing fertilizer rates for two cultivars of Graziosa geraniums}, volume={1034}, DOI={10.17660/actahortic.2014.1034.58}, booktitle={International symposium on growing media and soilless cultivation}, author={Barnes, J. and Whipker, B. E. and McCall, I.}, year={2014}, pages={471–476} }
 @article{ahmad_whipker_dole_mccall_2014, title={Paclobutrazol and ancymidol lower water use of potted ornamental plants and plugs}, volume={79}, number={6}, journal={European Journal of Horticultural Science}, author={Ahmad, I. and Whipker, B. E. and Dole, J. M. and McCall, I.}, year={2014}, pages={318–326} }
 @article{barnes_nelson_whipker_dickey_hesterberg_shi_2014, title={Statistical model for describing macronutrient impacts on container substrate pH over time}, volume={49}, number={2}, journal={HortScience}, author={Barnes, J. and Nelson, P. and Whipker, B. E. and Dickey, D. A. and Hesterberg, D. and Shi, W.}, year={2014}, pages={207–214} }
 @inproceedings{barnes_whipker_mccall_frantz_2013, title={Characterization of nutrient disorders of Gomphrena globosa 'Las Vegas purple'}, volume={982}, DOI={10.17660/actahortic.2013.982.6}, booktitle={International symposium on responsible peatland management and growing media production}, author={Barnes, J. and Whipker, B. and McCall, I. and Frantz, J.}, year={2013}, pages={69–74} }
 @article{krug_whipker_mccall_frantz_2013, title={Elevated relative humidity increases the incidence of distorted growth and boron deficiency in bedding plant plugs}, volume={48}, number={3}, journal={HortScience}, author={Krug, B. A. and Whipker, B. E. and McCall, I. and Frantz, J.}, year={2013}, pages={311–313} }
 @article{barnes_whipker_buhler_mccall_2013, title={Greenhouse and landscape growth of tiger lily cultivars following flurprimidol preplant bulb soaks}, volume={23}, number={6}, journal={HortTechnology}, author={Barnes, J. and Whipker, B. and Buhler, W. and McCall, I.}, year={2013}, pages={820–822} }
 @inproceedings{barnes_nelson_fonteno_whipker_jeong_2013, title={Impact of mature dairy manure compost and water content on wettability and bulk density in peat moss-perlite root substrate}, volume={982}, DOI={10.17660/actahortic.2013.982.7}, booktitle={International symposium on responsible peatland management and growing media production}, author={Barnes, J. and Nelson, P. and Fonteno, W. C. and Whipker, B. and Jeong, K. Y.}, year={2013}, pages={75–80} }
 @inproceedings{owen_jackson_fonteno_whipker_2013, title={Pine wood chips as an alternative to perlite: Cultural parameters to consider (c)}, volume={1014}, DOI={10.17660/actahortic.2013.1014.77}, booktitle={Proceedings of the international plant propagators' society}, author={Owen, W. G. and Jackson, B. E. and Fonteno, W. C. and Whipker, B. E.}, year={2013}, pages={345–349} }
 @article{fair_whipker_mccall_buhler_2012, title={Height control of 'Hot Lips' Hybrid sage to flurprimidol substrate drench}, volume={22}, number={4}, journal={HortTechnology}, author={Fair, B. A. and Whipker, B. and McCall, I. and Buhler, W.}, year={2012}, pages={539–541} }
 @article{barnes_whipker_mccall_frantz_2012, title={Nutrient disorders of 'Evolution' Mealy-cup Sage}, volume={22}, number={4}, journal={HortTechnology}, author={Barnes, J. and Whipker, B. and McCall, I. and Frantz, J.}, year={2012}, pages={502–508} }
 @article{currey_lopez_krug_mccall_whipker_2012, title={Substrate drenches containing flurprimidol suppress height of 'Nellie White' Easter lilies}, volume={22}, number={2}, journal={HortTechnology}, author={Currey, C. J. and Lopez, R. G. and Krug, B. A. and McCall, I. and Whipker, B. E.}, year={2012}, pages={164–168} }
 @article{davis_niedziela_reddy_whipker_frantz_2011, title={Nutrient disorder symptomology and foliar concentrations of Clerodendrum thomsoniae}, volume={34}, DOI={10.1080/01904167.2011.555805}, number={7}, journal={Journal of Plant Nutrition}, author={Davis, K. I. and Niedziela, C. E. and Reddy, M. R. and Whipker, B. E. and Frantz, J. M.}, year={2011}, pages={1079–1086} }
 @article{krug_whipker_mccall_cleveland_2010, title={Geranium leaf tissue nutrient sufficiency ranges by chronological age}, volume={33}, DOI={10.1080/01904160903470398}, number={3}, journal={Journal of Plant Nutrition}, author={Krug, B. A. and Whipker, B. E. and McCall, I. and Cleveland, B.}, year={2010}, pages={339–350} }
 @article{krug_whipker_frantz_mccall_2009, title={Characterization of calcium and boron deficiency and the effects of temporal disruption of calcium and boron supply on pansy, petunia, and gerbera plugs}, volume={44}, number={6}, journal={HortScience}, author={Krug, B. A. and Whipker, B. E. and Frantz, J. and McCall, I.}, year={2009}, pages={1566–1572} }
 @article{krug_whipker_mccall_2007, title={Caladium growth control with flurprimidol paclobutrazol, and uniconazole}, volume={17}, number={3}, journal={HortTechnology}, author={Krug, B. A. and Whipker, B. E. and McCall, I.}, year={2007}, pages={368–370} }
 @article{gibson_williams_whipker_nelson_dole_cleveland_walls_2007, title={Foliar symptomology and tissue concentrations of nutrient-deficient vegetative strawflower plants}, volume={38}, DOI={10.1080/00103620701588379}, number={17-18}, journal={Communications in Soil Science and Plant Analysis}, author={Gibson, J. L. and Williams, A. and Whipker, B. E. and Nelson, P. V. and Dole, J. M. and Cleveland, B. and Walls, F. R.}, year={2007}, pages={2279–2294} }
 @article{whipker_mccall_krug_2006, title={Flurprimidol substrate drenches and foliar sprays control growth of 'Blue Champion' exacum}, volume={16}, DOI={10.21273/horttech.16.2.0354}, number={2}, journal={HortTechnology}, author={Whipker, B. E. and McCall, I. and Krug, B. A.}, year={2006}, pages={354–356} }
 @article{krug_whipker_mccall_2006, title={Hyacinth height bulb soaks of control using preplant flurprimidol}, volume={16}, DOI={10.21273/horttech.16.2.0370}, number={2}, journal={HortTechnology}, author={Krug, B. A. and Whipker, B. E. and McCall, I.}, year={2006}, pages={370–375} }
 @article{krug_whipker_mccall_dole_2006, title={Narcissus response to plant growth regulators}, volume={16}, number={1}, journal={HortTechnology}, author={Krug, B. A. and Whipker, B. E. and McCall, I. and Dole, J. M.}, year={2006}, pages={129–132} }
 @article{krug_whipker_mccall_dole_2005, title={Comparison of flurprimidol to ancymidol, paclobutrazol, and uniconazole for tulip height control}, volume={15}, number={2}, journal={HortTechnology}, author={Krug, B. A. and Whipker, B. E. and McCall, I. and Dole, J. M.}, year={2005}, pages={370–373} }
 @article{krug_whipker_mccall_dole_2005, title={Comparison of flurprimidol to ethephon, paclobutrazol, and uniconazole for hyacinth height control}, volume={15}, number={4}, journal={HortTechnology}, author={Krug, B. A. and Whipker, B. E. and McCall, I. and Dole, J. M.}, year={2005}, pages={872–874} }
 @article{krug_whipker_mccall_2005, title={Flurprimidol is effective at controlling height of 'Star Gazer' oriental lily}, volume={15}, number={2}, journal={HortTechnology}, author={Krug, B. A. and Whipker, B. E. and McCall, I.}, year={2005}, pages={373–376} }
 @article{cavins_whipker_fonteno_2005, title={Timing of PourThru affects pH, electrical conductivity, and leachate volume}, volume={36}, DOI={10.1081/CSS-200059076}, number={12-Nov}, journal={Communications in Soil Science and Plant Analysis}, author={Cavins, T. J. and Whipker, B. E. and Fonteno, W. C.}, year={2005}, pages={1573–1581} }
 @article{whipker_2004, title={Calculating pansy production costs}, volume={49}, number={4}, journal={North Carolina Flower Growers' Bulletin}, author={Whipker, B. E.}, year={2004}, pages={1} }
 @article{krug_whipker_mccall_dole_2004, title={Controlling stem topple of pot tulips}, volume={49}, number={1}, journal={North Carolina Flower Growers' Bulletin}, author={Krug, B. and Whipker, B. E. and McCall, I. and Dole, J.}, year={2004}, pages={14} }
 @article{cavins_whipker_fonteno_2004, title={Establishment of calibration curves for comparing pour-through and saturated media extract nutrient values}, volume={39}, number={7}, journal={HortScience}, author={Cavins, T. J. and Whipker, B. E. and Fonteno, W. C.}, year={2004}, pages={1635–1639} }
 @article{whipker_mccall_gibson_cavins_2004, title={Flurprimidol foliar sprays and substrate drenches control growth of 'Pacino' pot sunflowers}, volume={14}, number={3}, journal={HortTechnology}, author={Whipker, B. E. and McCall, I. and Gibson, J. L. and Cavins, T. J.}, year={2004}, pages={411–414} }
 @article{dole_mccall_whipker_2004, title={National Poinsettia Trial Program highlights}, volume={49}, number={1}, journal={North Carolina Flower Growers' Bulletin}, author={Dole, J. and McCall, I. and Whipker, B. E.}, year={2004}, pages={1} }
 @article{whipker_mccall_2003, title={Comparing paclobutrazols}, volume={48}, number={6}, journal={North Carolina Flower Growers' Bulletin}, author={Whipker, B. E. and McCall, I.}, year={2003}, pages={10} }
 @article{whipker_mccall_gibson_cavins_2003, title={Efficacy of flurprimidol (Topflor) on bedding plants}, ISBN={9066052384}, DOI={10.17660/actahortic.2003.624.58}, journal={A proceedings of the XXVI International Horticultural Congress, Toronto, Canada, 11-17 August, 2002 : Elegant science in floriculture}, publisher={Leuven, Belgium : International Society for Horticultural Science}, author={Whipker, B. E. and McCall, I. and Gibson, J. L. and Cavins, T. J.}, year={2003} }
 @article{gibson_cavins_greer_whipker_dole_2003, title={Efficacy of plant growth regulators on the growth of Argyranthemum frutescens 'Comet Pink'}, ISBN={9066052384}, DOI={10.17660/actahortic.2003.624.28}, journal={A proceedings of the XXVI International Horticultural Congress, Toronto, Canada, 11-17 August, 2002 : Elegant science in floriculture}, publisher={Leuven, Belgium : International Society for Horticultural Science}, author={Gibson, J. L. and Cavins, T. J. and Greer, L. and Whipker, B. E. and Dole, J. M.}, year={2003} }
 @article{gibson_whipker_2003, title={Efficacy of plant growth regulators on the growth of vigorous osteospermum cultivars}, volume={13}, number={1}, journal={HortTechnology}, author={Gibson, J. L. and Whipker, B. E.}, year={2003}, pages={132–135} }
 @article{krug_whipker_peet_2003, title={FERTCALC -- a fertilizer mixing calculator}, volume={48}, number={6}, journal={North Carolina Flower Growers' Bulletin}, author={Krug, B. A. and Whipker, B. E. and Peet, M.}, year={2003}, pages={8} }
 @article{gibson_whipker_2003, title={Ornamental cabbage quality improved by continual fertilization through center-head coloration}, volume={38}, DOI={10.21273/hortsci.38.7.1381}, number={7}, journal={HortScience}, author={Gibson, J. L. and Whipker, B. E.}, year={2003}, pages={1381–1384} }
 @article{whipker_2003, title={Ralstonia solanacearum race 3 biovar 2 losses in North Carolina}, volume={48}, number={4}, journal={North Carolina Flower Growers' Bulletin}, author={Whipker, B. E.}, year={2003}, pages={4} }
 @article{gibson_whipker_2001, title={Ornamental cabbage and kale cultivar comparison study: Growth characteristics and response to daminozide and uniconazole foliar sprays}, volume={11}, number={3}, journal={HortTechnology}, author={Gibson, J. L. and Whipker, B. E.}, year={2001}, pages={376–380} }
 @article{gibson_whipker_2001, title={Ornamental cabbage and kale growth responses to daminozide, paclobutrazol, and uniconazole}, volume={11}, number={2}, journal={HortTechnology}, author={Gibson, J. L. and Whipker, B. E.}, year={2001}, pages={226–230} }
 @article{sellmer_adkins_mccall_whipker_2001, title={Pampas grass responses to ancymidol, paclobutrazol, and uniconazole substrate drenches}, volume={11}, DOI={10.21273/horttech.11.2.216}, number={2}, journal={HortTechnology}, author={Sellmer, J. C. and Adkins, C. R. and McCall, I. and Whipker, B. E.}, year={2001}, pages={216–219} }
 @book{whipker_fonteno_cavins_bailey_2000, title={PourThru nutritional monitoring manual}, publisher={Raleigh, N.C. :  North Carolina State University}, author={Whipker, B. E. and Fonteno, W. C. and Cavins, T. J. and Bailey, D. A.}, year={2000}, pages={40} }
 @article{whipker_dasoju_dosmann_iles_1999, title={Effect of fertilizer concentration on growth of double impatiens}, volume={9}, DOI={10.21273/horttech.9.3.425}, number={3}, journal={HortTechnology}, author={Whipker, B. E. and Dasoju, S. and Dosmann, M. S. and Iles, J. K.}, year={1999}, pages={425} }
 @article{whipker_hammer_1998, title={Comparison of hydroponic solutions for poinsettia nutritional studies}, volume={21}, DOI={10.1080/01904169809365422}, number={3}, journal={Journal of Plant Nutrition}, author={Whipker, B. E. and Hammer, P. A.}, year={1998}, pages={531–543} }
 @article{whipker_1998, title={Cost of producing ornamental cabbage and kale}, volume={43}, number={4}, journal={North Carolina Flower Growers' Bulletin}, author={Whipker, B. E.}, year={1998}, pages={9} }
 @article{whipker_1998, title={Efficacy of A-Rest, Bonzi, and Sumagic on growth of tuberous-rooted dahlias}, volume={43}, number={2}, journal={North Carolina Flower Growers' Bulletin}, author={Whipker, B. E.}, year={1998}, pages={12} }
 @article{whipker_hammer_1998, title={Nutrient uptake in vegetative poinsettias grown with two fertilizer concentrations and two pinching dates}, volume={21}, DOI={10.1080/01904169809365423}, number={3}, journal={Journal of Plant Nutrition}, author={Whipker, B. E. and Hammer, P. A.}, year={1998}, pages={545–559} }
 @article{whipker_dasoju_dosmann_iles_1998, title={Research report: F ertilizer rate effects on growth of variegated and green-leaved double Impatiens}, volume={43}, number={5}, journal={North Carolina Flower Growers' Bulletin}, author={Whipker, B. E. and Dasoju, S. and Dosmann, M. S. and Iles, J. K.}, year={1998}, pages={15} }