Effect of Boron deficiency on Brassica napus

Boron is an indispensable trace element in rapeseed. Although it is not a component of rape plant, it plays a very important role in plant metabolism. The application of boron can prevent the occurrence of flowering but sterility in rape. Boron is necessary for the differentiation of reproductive nucleus in rape pollen and pollen grains, the differentiation and development of ovary and ovule, the process of fertilization and the development of embryo. As long as the lack of boron will cause rape flowers to be unfruitful.