FFECT OF MOLYBDENUM ON SOME GROWTH AND YIELD CHARACTERISTICS OF MUNG BEAN (VIGNA RADIATE L.) UNDER WATER STRESS CONDITIONS
2019
Hayyawi, N. J. | Al-Issaw, M. H.
Under the effect of water stress, biological and physiological processes can be decreased and followed by a reduction in growth and production of crops. Molybdenum plays important role in abiotic stress tolerance as well as support the growth and production of mung bean. For this purpose, a field experiment was conducted where Mo was used in four concentrations (0,15, 30, 45 mg L-1) as seed soaking and foliar application on mung bean growing under three irrigation intervals (irrigation each 4, 8 and 12 days), a split plots arrangement in RCBD was used where the irrigation intervals occupied the main plots while Mo concentration randomly laid in sub plots. The important results of the current study were that Mo (e.g. 45 mg L-1) gave the highest leaf area (1435.34 cm plant-1), and Mo at 15 mg L-1 gave the highest mean of plant dry weight (223.00 g plant-1) as for the yield components, the concentration 30 mg L-1 gave the highest mean of number of pods per plant (45.28 pod plant-1) while the concentration 15 mg L-1 achieved the highest mean of number of seed per pod (7.49 seed pod-1). The combination treatment of 45 mg L-1 and irrigation each 4 days led to obtain the highest mean of growth characteristics as well as yield traits with exception of weight of seed as it got higher mean when plants were treated with 45 mg L-1 and irrigated each 8 days (4.50 g). It can be concluded from the current study that diverging irrigation intervals causes a great reduction in field performance of mung bean while the application of Mo enhanced some of the growth and yield traits. It can be recommended to use this element at different concentrations in order to improve growth and yield of different field crops.
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