近来有读者反映,大豆茎叶生长茂盛,叶色浓绿,但开花较少,结荚稀疏,甚至基本不结荚;有的也开花结荚但是出现空荚瘪粒;有的到了生长后期,植株贪青晚熟,生育期延迟,籽粒不能按时成熟。结果造成大豆不结实,不能正常收获,严重影响大豆产量,给农民造成巨大的经济损失。大豆不结荚的原因一、内因:品种差异,品种自身退化、引种不当1.品种差异大豆不实现象在品种间存在较大差异,中晚熟品种、无限 Recently, some readers have reported that soybean has flourishing stems and leaves, dark green leaves but less flowering, less pods and even no pod; some also bloom pods but empty pods and shrunken grains; and some have reached the later stage of growth, Green young late grapes, growth retardation, the seeds can not mature on time. As a result, the soybean is not robust and can not be harvested normally, which seriously affects the yield of soybean and causes huge economic losses to farmers. Soybean does not pod the cause of one, the internal factors: differences in species, varieties of their own degradation, improper introduction 1. Varieties Soybean false phenomenon There is a big difference between the varieties of late-maturing varieties, unlimited