Plant Growth Regulators

Plant growth regulators function as chemical messengers for intercellular communication . There are currently five recognized groups of plant hormones: auxins, gibberellins, cytokinins, abscisic acid (ABA) and ethylene. When applied to turfgrass, PGRs affect hormone activity within the plant, thereby slowing down the growth rate. Plant growth regulators (also called plant hormones) are numerous chemical substances that profoundly influence the growth and differentiation of plant cells. Plant growth regulators are designed to reduce cereal height. They’re sprayed on crops during the growing season, just like herbicides or fungicides. Treated plants are shorter, with stronger stems, for reduced lodging.

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