ABSTRACT The plant growth regulators are the organic chemical compounds, other than nutrients and vitamins, which modify or regulate physiological processes in an appreciable measure in the plant when used in small concentration. They are known to influence fruit set, retention, yield and quality of fruit crops. Fruit trees are considered high-value crops and even small modifications in production efficiency, product quality or enhanced cosmetic appeal have the potential to significantly increase product value. Application of plant growth regulators results in better output as it improves the internal physiology of developing fruits to improve fruit set, reduce fruit drop and to amend various physiological disorders in order to improve quality and yield. In this review, we have discussed about impact of various plant growth regulators on fruit set, retention, quality and yield of fruit crops.

中文翻译：

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植物生长调节剂在改善水果作物坐果、质量和产量方面的作用：综述

摘要 植物生长调节剂是除营养素和维生素之外的有机化合物，当以小浓度使用时，可显着改变或调节植物的生理过程。众所周知，它们会影响水果作物的坐果、保持力、产量和质量。果树被认为是高价值作物，即使在生产效率、产品质量或增强外观吸引力方面的微小改变也有可能显着提高产品价值。应用植物生长调节剂可以改善果实发育的内部生理，从而提高坐果率、减少落果率和改善各种生理障碍，从而提高品质和产量，从而获得更好的产量。在这篇综述中，我们讨论了各种植物生长调节剂对坐果的影响，