通过对2013年云南西双版纳景讷乡发生的橡胶树病害病组织取样分离，活体致病试验和病原物的分类鉴定，认为是由腐霉属真菌（Pythium sp.）引起的一种橡胶树新病害。土壤板结、长期排水不畅，通透性差，是腐霉属病害发生的重要诱因。%A sample from affected rubber tree was collected and identified in Jingnexiang of Xishuangbanna in 2013. It is be-lieved it is a new rubber disease caused by Pythium fungus (Pythium sp.), and soil hardening, long- term poor-ly drained and poor permeability are the main factors caused the incidence of Pythium.
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