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枣树主要病害发生规律及其防治新郑市枣树研究所宋宪军,唐福霞,唐桂花一、枣疯病枣疯病又称公枣树,扫帚病,枣聋。1.分布及危害:枣疯病,分布厂,病史久。东北、华北、华东、华南枣树上,均有发生,故是枣的毁灭性病害之一。2.症状:枣树感病后,首先个别顶生枣头...
Jujube main disease occurrence and prevention and control of Xinzheng City jujube Institute Song Xianjun, Tang Fuxia, Tang Guihua First, jujube mad disease Jujube Bark, also known as the public jujube tree, broom disease, jujube deafness. 1. Distribution and hazards: jujube mad, distribution plant, a long history. Northeast, North China, East China, South China jujube, have occurred, it is one of the devastating diseases. 2. Symptoms: jujube disease, the first individual top jujube head ...