Effects of exogenous melatonin on yield, quality and photosynthetic characteristics of different soybean varieties in South China

doi:10.14088/j.cnki.issn0439-8114.2022.03.004

Abstract

Abstract: Five soybean varieties （Zhongdou 41, Zhongdou 44, Wandou 28, You 6019 and Zhongdou 63） were used as materials to study the regulation effects of melatonin on different soybean varieties in southern China. Foliar spraying of melatonin was carried out at the initial flowering stage and bulking stage. To compare the effects of melatonin treatment on photosynthetic characteristics, agronomic traits, yield and its components, quality and other aspects of soybean. Melatonin treatment could significantly increase pod number per plant, grain number per plant and grain weight per plant, thus improving the overall yield level of soybean. At the same time, the protein and fat contents of soybean varieties in south China were not significantly affected.

Key words: soybean, melatonin, photosynthetic characteristic, yield and quality

CLC Number:

S565.1

HAO Qing-nan, DENG Jun-bo, YANG Fang, YANG Zhong-lu, CHEN Hai-feng, SHAN Zhi-hui, ZHOU Xin-an. Effects of exogenous melatonin on yield, quality and photosynthetic characteristics of different soybean varieties in South China[J]. HUBEI AGRICULTURAL SCIENCES, 2022, 61(3): 17-20.

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