Plant growth regulators are an enormously important agent in the integration of developmental activities. Environmental factors often exert inductive effects by evoking changes in hormones in metabolism and distribution within the plant. Apart from it, they also regulate the expression of the intrinsic genetic potential of plants. Manage the genetic expression has been demonstrated for the phytohormones at both transcriptional and translational levels.
Their exogenous application helps to improve the different economically important and market desirable characteristics of flower crops. The use of plant growth regulators is being practiced by the commercial growers of ornamental plants and flower crops as a part of cultural practice. There are different factors contributing to the efficacy of plant growth regulators and the method of application plays a key role in determining the effectiveness of plant growth regulators, as PGRs can be effective if properly absorbed by plants.
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Eerati, Sathyanarayana & Kurakula, Divya. (2021). Role of Plant Growth Regulators in Flower Crops.