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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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Christopher J. Currey and John E. Erwin

were highly compressed, and as concentrations increased to 20 ppm, both K. glaucescens and K. rotundifolia were very stunted. The efficacy of PGRs in controlling stem elongation is related to plant growth which, in turn, is influenced by cultural

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Babak Madani, Marisa Wall, Amin Mirshekari, Alagie Bah, and Mahmud Tengku Muda Mohamed

fruit per plant, and decreased the incidence of blossom end rot ( Rab and Haq, 2012 ). Calcium nitrate foliar sprays on salt-treated lettuce ( Lactuca sativa ) and endive ( Cichorium endivia ) did not impact plant growth, but reduced blackheart and tip

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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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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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Maria A. Macias-Leon and Daniel I. Leskovar

controls. After treatment, the seeds were washed three times with distilled water and re-dried under a laminar hood, with lights on and a continuous air flow for 48 h until the original weight was reestablished ( Irfan et al., 2005 ). Table 1. Plant growth

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Thomas E. Marler and Nirmala Dongol

litter showed that these soils indeed contained phytotoxic compounds that inhibited plant growth. We have not attempted to identify the chemicals or determine their origin. Perhaps the phytotoxic compounds originated in the extensive surface layer of A

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Anish Malladi and Jacqueline K. Burns

and to design practices to improve plant performance. Studies examining the nature of long-distance communication have shown that the common phytohormones, referred to within this article as plant growth regulators (PGRs), participate in such

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Josh B. Henry, Ingram McCall, and Brian E. Whipker

found to be well suited for this study as many plant growth parameters increased up to a certain point after which they no longer increased or decreased with increasing P concentrations. Models obtained from PROC REG and PROC NLIN were compared using

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Nicholas J. Flax, Christopher J. Currey, James A. Schrader, David Grewell, and William R. Graves

growth retardants are frequently used in bedding-plant production to restrict growth of plants, as they can be easily applied without adversely affecting other crops in the same environment. Plant growth retardants are often applied as foliar sprays, but