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T. Casey Barickman, Dean A. Kopsell and Carl E. Sams

’ tomato plants grown in a greenhouse and treated with exogenous applications of abscisic acid (ABA) and calcium (Ca) in the hydroponic fertilizer solution. ABA also had a significant, but negative impact on tomato leaf chlorophyll concentrations. Root ABA

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Dušica Ćalić, Nina Devrnja, Jelena Milojević, Igor Kostić, Dušica Janošević, Snežana Budimir and Snežana Zdravković-Korać

chestnut androgenic embryos. Because of the low frequency of induction of SSE on media with 2.5, 10, and 20 mg·L −1 abscisic acid (ABA) ( Ćalić et al., 2005a ), in new studies, lower ABA concentrations were used. Most reports on the application of ABA for

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Joyce G. Latimer

Abbreviations: ABA, abscisic acid; DAS, days after sowing; GA, gibberellic acid; PGR, plant growth regulator. 1 Assistant Professor. The cost of publishing this paper was defrayed in part by the payment of page charges. Under postal regulations

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Geoffrey M. Weaver and Marc W. van Iersel

scanned at a cash register. Thus, there is an increased risk of financial loss to growers if plants die or become unsalable as a result of lack of watering ( van Iersel et al., 2009 ). Abscisic acid is an integral part of plant drought response. Drought

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Shi-Lin Tian, Li Li, Yue-Qin Tian, S.N.M. Shah and Zhen-Hui Gong

fruit abscission, rotting, and wrinkling. Fig. 1. The effect of different concentrations of abscisic acid [ABA (900, 600, 300, 150, and 100 mg·L −1 )] on capsanthin accumulation in pepper fruit. Treatment was performed at the green mature stage (25 d

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Matthew Arrington, Mateus S. Pasa and Todd C. Einhorn

, predictable thinning outcomes can be difficult to achieve in cooler climates. Alternative thinning chemistries are needed. Abscisic acid is a plant hormone associated with abscission and plant dormancy ( Taiz and Zeiger, 2010 ). ABA also regulates stomatal

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Yi Zhang and Imed Dami

15-L back sprayer (Model SP0; SP System LLC, Santa Monica, CA) averaging a spray volume of 0.5 L per vine. Abscisic acid phytotoxicity. The phytotoxicity of ABA application was evaluated on leaves and clusters. Visual observation of leaf damage

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Nicole L. Waterland, Craig A. Campbell, John J. Finer and Michelle L. Jones

cause of postproduction decline in greenhouse crops ( Barrett and Campbell, 2006 ). The plant hormone abscisic acid (ABA) plays a role in plant responses to environmental stresses, and ABA applications decrease water loss and enhance drought tolerance

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Steven J. McArtney, Suzanne R. Abrams, Derek D. Woolard and Peter D. Petracek

. Structures of S-abscisic acid (ABA) and (+)-8′-acetylene abscisic acid. Materials and Methods All trees used in this series of experiments were growing at the North Carolina State University Mountain Horticultural Crops Research and Extension Center in Mills

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Nicole L. Waterland, John J. Finer and Michelle L. Jones

regulated by the plant hormone abscisic acid (ABA) ( Malladi and Burns, 2007 ). The exogenous application of ABA or ABA analogs delays drought stress-induced wilting in a variety of bedding and potted plants ( Blanchard et al., 2007 ; Kim and van Iersel