Effect of plant growth regulators on yield attributes and productivity of mungbean (Vigna radiata L. Wilczek)

Plant growth regulator plays an important role of crops yield especially in mungbean. Therefore, an experiment was conducted in cement-moulded pots inside the net house to find out the effect of plant growth regulators viz. Maleic Hydrazide, Gibberellin, Triacontanol, 2,3,5-triiodobenzoic acid and Cycocel, as foliar spray. The result indicated significant variations in number of flowers plant-1, pod setting, seeds per pod, pod length and 100 seed weight due to plant growth regulators. The result obtained from the study concluded that productivity and number of pod per plant was highest in case 40 ppm TIBA among all the treatment although seed weight was found highest in GA 40 ppm. These results might suggest that use of plant growth regulator might improve yield of mung bean. Gibberellic acid (GA3) as a plant growth promoter affects plant growth and development by promoting metabolic activities and regulating nitrogen utilization.