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以先玉335为试验材料,研究不同行距种植(70、65、60、50 cm)下玉米干物质积累与分配的动态变化规律。结果表明,不同行距处理下,干物质积累总量及各器官干物质向子粒转移量、转移率及对子粒的贡献率不同,其中,70 cm行距处理下干物质积累总量和子粒转移效率都高于其他处理,在玉米种植方式上,采取70 cm的种植行距较为合理。
Taking Xianxu 335 as test material, the dynamic changes of dry matter accumulation and distribution in maize at different row spacing (70, 65, 60 and 50 cm) were studied. The results showed that the total dry matter accumulation and dry matter translocation, translocation rate and contribution rate to different grains were different under different row spacing treatments. Among them, the total dry matter accumulation and grain transfer efficiency Higher than other treatments, it is more reasonable to adopt a planting distance of 70 cm on the way of planting corn.