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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

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Christopher J. Currey and John E. Erwin

Andersen, A.S. Andersen, L. 2000 Growth regulation as a necessary prerequisite for introduction of new plants Acta Hort. 541 183 192 Adriansen, E. 1989 Growth and flowering in pot plants soaked with plant growth regulator solutions in ebb and flood benches

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Jaume Lordan, Terence L. Robinson, Mario Miranda Sazo, Win Cowgill, Brent L. Black, Leslie Huffman, Kristy Grigg-McGuffin, Poliana Francescatto, and Steve McArtney

branching ( Basak et al., 1992 ). MaxCel ® , a cytokinin plant growth regulator that is already labeled for several uses on apples, was registered for chemical branching of nursery apple trees in the United States in 2013. Most of the published branching