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杉木根腐病主要分布在四川邛崃山区20多个县(市)的宜杉林地,发病面积约11万多亩,经济损失很大。目前尚无有效的防治方法,是生产上亟待解决的问题。 杉木根腐病的病原菌为最终极腐霉(Pythium ultimum Trow)。它对链霉菌
Cunninghamia lanceolata root rot is mainly distributed in the mountainous area of Yishan in more than 20 counties (cities) in Qionglai Mountain of Sichuan Province, with an area of about 110,000 mu and a great economic loss. At present there is no effective prevention and treatment method, which is a problem to be solved urgently in production. The pathogen of Chinese fir root rot is Pythium ultimum Trow. It is on Streptomyces