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1976年9月7—10日在美国召开了第二届国际轮枝菌会议。现根据会议汇编的52篇论文摘要(英文)概述黄萎病研究的现状与进展。一、关于土壤内病菌汇编中有7篇文章重点论述了在土壤内潜伏的 Verticillium dahliae(V.albo—atrum)数量与产量损失的关系及环境条件对微菌核产生、存活的影响等问题。L.J.Ash—worth,Jr.and O.C.Huisman 在研究阿月浑子(Pistachio)黄萎病(V.albo—atrum)的结果中指出,产量损失与土壤内病菌数量有密切关系。每克土壤里微菌核有0.05个,造成的产量损失不到1％,有0.1～0.2个,损失为3～5％,有1～2
September 7-10, 1976 The 2nd International Verticillium Conference was held in the United States. The current situation and progress of the research on Verticillium wilt are summarized based on 52 abstracts summarized by the conference (in English). First, on the compilation of soil bacteria in seven articles focused on the discussion in the soil latent Verticillium dahliae (V.albo-atrum) the relationship between the number and yield loss and environmental conditions on the production of microscopic nucleus, the impact of survival and other issues. L. J. Ash-worth, Jr. and O. C. Huisman pointed out in the study of V. albo-atrum that yield loss is closely related to the number of pathogens in the soil. There are 0.05 Micronuclei per gram of soil, resulting in less than 1% yield loss, 0.1 ~ 0.2, loss of 3 ~ 5%, 1 ~ 2