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植物黄、小叶病害的症状及发病地域.

植物黄、小叶病害的症状相当明显,凡是在正常的生长期间所发生的叶子泛黄,丛枝、矮枝、簇叶、叶面薄小等症状都属于此类范畴。黄、…

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植物黄、小叶病害的症状相当明显,凡是在正常的生长期间所发生的叶子泛黄,丛枝、矮枝、簇叶、叶面薄小等症状都属于此类范畴。黄、小叶病害的发生几乎涉及到世界各地的所有植物,我国(无论是南方还是北方)的这种病害则更为严重和突出,特别是在高产的粮食作物和经济类果蔬作物上,直接影响着人和动物的身体健康。

The symptoms of plant yellow and leaflet diseases are quite obvious. The symptoms of yellowing leaves, clumping branches, short branches, clustered leaves, thin and small leaves during normal growth period all belong to this category. The occurrence of yellow and small leaf disease involves almost all plants all over the world. The disease is more serious and prominent in China, especially in high-yield food crops and economic fruit and vegetable crops, which directly affects the health of people and animals.

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