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The Distribution of Verticillium dahliae in Cotton in Field Ecological System
Author(s): Jia Tao, Yang Jiarong, Xin Hongyi, Yi Yonghua, Wang Cheng
Pages: 275-
276,293
Year: 2005
Issue:
3
Journal: CHINESE AGRICULTURAL SCIENCE BULLETIN
Keyword: 棉花黄萎病菌; 微生态系; 分布;
Abstract: 在土壤垂直分布中,棉花黄萎病菌主要分布于0~40 cm耕作层中,占总菌量的90%多,而40 cm以下土层中仅占总菌量的10%;在土壤水平分布中,棉花黄萎病菌随病害的加重,由聚积分布型转变为均匀分布型.在病株中,病菌分布也不均,叶脉>主茎>果枝.
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