论文部分内容阅读
由黑腐皮壳引起的苹果腐烂病和银叶病菌引起的苹果银叶病是苹果的二大病害、各地受害甚大,黑腐皮壳也是梨的腐烂病的病原菌,又是寄生在栗、胡桃、桑树、草莓等
Apple rot caused by black rot cashew and silver leaf blight caused by silver leaf disease are the two major diseases of apple. The black rot shell is also the pathogen of pear rot disease and parasitic in chestnut and walnut , Mulberry, strawberry and so on