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-farm postharvest, transport and storage, and consumer issues for the top 31 cut flowers. The five most commonly grown specialty cut flowers were zinnia, peony, snapdragon, sunflower, and dahlia. The major overall production problems were insect management followed

. inbred line with NC l11F-2 (98). Both parents of ‘Amelia’ contribute the Ve gene for resistance to verticillium wilt ( Verticillium dahlia Kleb) and the I and I-2 genes for resistance to races 1 and 2 of fusarium wilt [ Fusarium oxysporium f

) plant, whereas Ding (2012) claimed that the number of garden dahlia ( Dahlia pinnata ) leaves increased markedly as P fertilizer rate increased, when all other factors were fixed. This may be because P is required especially in young cells or tissues

Nurseries Steaming of cut flower nursery fields has been suggested as an alternative to preplant fumigation with methyl bromide. Rainbolt et al. (p. 207) report that steam was as effective as fumigation for control of weeds and Verticillium dahlia in

tuberous-rooted dahlias HortTechnology 7 269 272 Wilfret, G.J. 1993 Caladium 335 347 DeHertogh A. LeNard M. The physiology of flower bulbs Elsevier Amsterdam, The Netherlands

flowers, fruits, leaves, seeds, and seedcoats are naturally found in various plant species ( Markham et al., 2004 ). Previous studies on flower color development in the dahlia ( Dahlia pinnata ) suggest that a lack of flavonoids leads to a high

, dahlia ( Dahlia × hybrida ‘Karma Thalia Dark Fuchsia’), dianthus, and very-late season planting of sunflower ( Helianthus annuus ‘Premier Lemon’) when crops were high tunnel grown, rather than field grown. Earlier harvests will allow for earlier

cultivars under drought stress mirror previous findings of some tuberous root plants such as Dahlia pinnata ( Fan et al., 2011 ), Ipomoea batatas ( Yooyongwech et al., 2017 ), and P. suffruticosa ‘Luo Yang Hong’ and ‘Hu Hong’ ( Kong et al., 2011 ), the

not adapt well to dry storage; for example, dahlia ( Dahlia hybrids), freesia ( Freesia hybrida ), gerbera ( Gerbera jamesonii ), and gypsophila ( Gypsophila elegans ) ( Nowak and Rudnicki, 1990 ). Species prone to botrytis ( Botrytis cinerea ) should

resistance to crown rot disease caused by Phytophthora cactorum in Fragaria vesca ( Davik et al., 2015 ); screening strawberry seedlings in field trials for resistance to V. dahlia, the causative agent of verticillium wilt ( Antanaviciute et al., 2015