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油菜萎缩不实病又称花而不实,是一种生理病害,减产幅度轻则30％、重的达五成、甚至无收。 一、症状表现 油菜萎缩不实病症状表现:前期根系生长不良,无根毛或侧根,根
Rape atrophy is not real disease, also known as the flower is not real, is a physiological disease, reduce the rate of light at 30%, weighing up to 50%, or even no income. First, the symptoms of symptoms of rape shrunk Symptoms of symptoms: pre-root growth, root hairless or lateral roots and roots