Influence of plant growth regulators on photosynthesis in mung bean subjected to water stress

Studies (in vitro and field) were conducted to examine the photosynthetic status and associated pigments in induced water stress. For in vitro experiments, PEG treatments were given to impose different levels of water stress. Water stress reduced photosynthetic rate, Hill activity and chlorophylls content with increased levels of stress. Foliar applications with two plant growth regulators (Aliphatic alcohols and homobrassionolide) significantly improved enhanced the photosynthetic activity resulting in enhanced carbohydrate flux to the developing pods.