Symptoms of rape rot

(agricultural get Rich Network) also known as flower but not real disease. It is a physiological disease caused by the lack of available boron in soil. according to the degree of boron deficiency, the seedlings atrophied and died, and those who were light were unfruitful or partially unfruited after anthesis. The diseased plants can be divided into three types in the later stage. 1. Dwarf type: the main inflorescence and branching inflorescence of diseased plant were significantly shortened, and the plant was obviously shortened. The distance between pods was shortened. All or most of the pods on the mature diseased plants are not fruiting. Second, the overgrowth type: the main inflorescence of the diseased plant increased significantly and the plant type was loose. A few or more pods of diseased plants do not bear fruit. Third, there is no significant difference in plant height and plant type between diseased plants and normal plants. There are a few diseased plants in the mature stage, but the pods do not bear fruit.