Efficacy of IAA for affecting nitrate reductase activity and yield attributes of mash [Vigna Mungo (L.)] hepper
2023
,Ghulam Yasin | ,Adeela Altaf | ,Ikram ul Haq
In order to investigate the potential of Indole Acetic Acid (IAA) for affecting yield contributing factors and Nitrate Reductase Activity, an experiment was conducted on four Vigna mungo genotypes. The four mash bean genotypes, 80, 88, 97, and ES-1, were examined against Indole Acetic Acid concentrations of 25, 50, 75, 10, 12, and 150.0 mgL-1. Plants were grown in pots which were randomly placed in the Botanical garden of Bahauddin Zakariya University, Multan. Pakistan. Four replicates of each treatment were developed and evaluated. Aforementioned amounts of Indole Acetic Acid were sprayed thrice, with intervals of ten days each. Ist spray was conducted at twenty days after germination. Nitrate Reductase Activity, grains number fruit-1, legumes number plant-1, and plant total yield were the traits chosen for study. After ten days of completion of three sprays of Indole Acetic Acid, Nitrate Reductase Activity (NRA) in the leaves was evaluated, and yield plant-1and its contributing factors were noted when the crop reached at its physiological maturity. Typically, an exponential increase in the number of grains, legume per plant, total yield, and Nitrate Reductase Activity (NRA) was seen as Indole Acetic Acid concentration increased from 75.0 to125.0mgL-1. By using a statistical technique, it was found that the responses of different genotypes to Indole Acetic Acid concentrations varied. MASH 97 was proved to be the most influenced in term of total yield plant-1, the number of grains plants-1 and the Nitrate Reductase Activity (NRA). While, MASH ES-1 performance lagged behind all other genotypes.Keywords: Indole Acetic Acid; Legumes; Nitrate Reductase; Vigna; Yield; Pods
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