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雪松[Cedrus deodara(Roxb)Lond]是园林绿化优良树种,栽植面积在不断扩大,但疫霉病对雪松林是一大威胁。为了寻求此病的防治途径,近年来,对该病进行了系统地调查、病菌分离、致病性测定和防治效果的观察试验。一、发生和危害在南京附近地区调查,病害于高坡、平地均有发生。土壤粘重板
Cedrus deodara (Roxb) Lond is an excellent tree species for landscaping with a growing area planted, but Phytophthora capsici is a major threat to cedar forests. In order to seek for the prevention and treatment of the disease, in recent years, the disease has been systematically investigated, the separation of bacteria, pathogenicity determination and prevention and treatment of observation and test. First, the occurrence and harm In the vicinity of Nanjing survey, the disease occurred in the high slope, the flat have occurred. Soil sticky weight board