随着杂交油菜种植面积的扩大，土壤缺硼在油菜各个生育期的症状表现越来越明显，发生的面积在扩大。由于缺硼导致的萎缩不实症已上升为油菜生产的一种主要生理病害。1缺硼造成的萎缩不实症状类型　　油菜萎缩不实症在油菜一生中各个时期均有发生，但发生时期不同，其症状也有异 With the expansion of hybrid rapeseed planting area, the boron deficiency in soil showed more and more obvious symptoms in all growth stages of rapeseed, and the area of ​​its occurrence expanded. Atrophy due to boron deficiency has risen to become a major physiological disease in rape production. 1 lack of boron caused by the contraction of the type of unhealthy symptoms of rape atrophy in rape in all stages of life have occurred, but the occurrence of different periods, the symptoms are different