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Khalid M. Elhindi, Yaser Hassan Dewir, Abdul-Wasea Asrar, Eslam Abdel-Salam, Ahmed Sharaf El-Din, and Mohamed Ali

dormancy, various methods like scarification, pretreatment with plant growth regulators (PGRs), and temperature shocks are used to break dormancy ( Copeland and McDonald 2001 ; Hidayati et al., 2012 ). Plant seed germination depends on both intrinsic and

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Sean J. Markovic and James E. Klett

) as influenced by six foliar-applied plant growth regulator treatments: benzyladenine at two rates (250 and 500 ppm); gibberellic acid 4 and 7 (GA 4+7 ) plus benzyladenine at two rates (50 and 100 ppm); and ethephon at two rates (200 and 400 ppm). Only

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James T. Brosnan, Adam W. Thoms, Gregory K. Breeden, and John C. Sorochan

, whereas soil compaction negatively alters soil physical properties ( Carrow and Petrovic, 1992 ). Plant growth regulators (PGRs) have been defined as organic compounds that alter turfgrass growth or development by targeting the actions of plant hormones

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Paweł Petelewicz, Paweł M. Orliński, and James H. Baird

time of writing ( Golfdom, 2019 ). Another way of minimizing annual bluegrass infestation in creeping bentgrass greens is the use of Class-B plant growth regulators (PGRs) to differentially suppress annual bluegrass growth in mixed stands with creeping

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Martin Makgose Maboko and Christian Phillipus Du Plooy

·L −1 ( Table 2 ). This is in agreement with Chhonkar and Ghufran (1968) , who reported that plant height decreased in tomato plants treated with an increased concentration of NAA. Table 2. Effect of plant growth regulators on sweet pepper yield in a

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Irfan Ali Sabir, Xunju Liu, Songtao Jiu, Matthew Whiting, and Caixi Zhang

, and the effect was timing and rate dependent. However, cytokinins showed no significant difference in improving fruit set except for CPPU treatment with ≈15% higher than control in ‘Bing’ ( Fig. 1 ). Fig. 1. Influence of plant growth regulators

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Marisa Y. Thompson, Jennifer Randall, Richard J. Heerema, and Dawn VanLeeuwen

and orchard management schedules and weather ( Table 1 ). Table 1. Dates of plant growth regulator applications in mature and immature pecan orchards, 2014–2015. Data collection and statistical analysis. Return bloom response variables were analyzed by

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Amir Rezazadeh, Richard L. Harkess, and Guihong Bi

Hertogh, A.A. Nelson, P.V. 1999 Effects of plant growth regulators applied as sprays or media drenches on forcing of Dutch-grown bleeding heart as a flowering potted plant HortTechnology 9 630 635 Krug, B.A. Whipker, B.E. McCall, I. Dole, J.M. 2005

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Maria A. Macias-Leon and Daniel I. Leskovar

concentration was reduced to 20 μ m . ACC treatments did not show any significant response in the range 10–30 μ m ; therefore, the concentration tested was 250 μ m . Seeds were primed and evaluated as described for study 1. Table 2. Plant growth regulator

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Alicain S. Carlson, John M. Dole, and Brian E. Whipker

hybrids) ( Whipker et al., 2011a ). Substrate drenches of flurprimidol and paclobutrazol did not affect flower height of amaryllis ( Hippeastrum ) and paclobutrazol and uniconazole reduced leaf length ( Miller et al., 2013 ). Plant growth regulators may