Effects of DA-6 Foliar Spraying on Soybean Yield and Quality and Main Agronomic Traits
In order to investigate the effects of DA-6 on soybean growth and development,this article used soybean varieties Zhongdou 63 and Wandou 28 as experimental materials to study the effects of foliar spraying of DA-6 on soybean main agronomic traits,yield,and quality.The results showed that foliar spraying of DA-6 reduced soybean plant height,increased the number of main stem nodes,significantly increased the number of effective pods per plant,number of grains per plant,grain weight per plant,and soybean yield,but had no significant effect on the number of effective branches.The correlation analysis between soybean yield,quality,and main agronomic traits showed that soybean yield was significantly positively correlated with the number of grains per plant and the weight of grains per plant.The protein content was significantly positively correlated with plant height and hundred grain weight;There was a highly significant positive correlation between fat content and effective branching number.In addition,there was a significant negative correlation between fat content and protein content.In summary,foliar spraying of DA-6 increased soybean yield by increasing the number of effective pods,grains,and grain weight per plant.
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