【摘 要】
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油菜白锈病是长江流域以及沿海湿润地区油菜的重要病害。油菜生长前期叶片发生白锈病,轻者叶片发黄,重者叶片枯死破裂,严重破坏油菜叶片的同化作用。油菜生长后期,病菌侵入
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油菜白锈病是长江流域以及沿海湿润地区油菜的重要病害。油菜生长前期叶片发生白锈病,轻者叶片发黄,重者叶片枯死破裂,严重破坏油菜叶片的同化作用。油菜生长后期,病菌侵入花器、果荚,刺激花器、果荚细胞,使之肿胀弯曲,俗称为龙头病。油菜成熟时,龙头干枯,上生白色粉末,这就是病菌的孢子囊。油菜白锈病的发生,严重阻碍了油菜籽的生产。对此,采取有效的防治措施是非常必要的。
White rust of rapeseed is an important disease of the rapeseed along the Yangtze River basin and the humid coastal areas. White rust occurred in the rapeseed leaves at the early stage of growth, the leaves of the light were yellow, and the leaves of the rape were dead and ruptured, which seriously damaged the assimilation of rape leaves. Late rape growth, bacteria invade flowers, pods, flowers to stimulate, pod cells, so swelling and bending, commonly known as the leading disease. Rape mature, the leading dry, white powder born, which is the germ of the sporangia. The occurrence of rapeseed white rust seriously hindered the production of rapeseed. In this regard, to take effective control measures is very necessary.
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