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机构地区:[1]贵州省平坝县林业局,贵州平坝561100 [2]贵州省平坝县华山松良种场,贵州平坝561100
出 处:《农业灾害研究》2013年第2期20-21,54,共3页Journal of Agricultural Catastrophology
摘 要:对贵州省平坝县华山松种子园病害种类及危害状况进行了调查。结果表明,平坝华山松种子园现有病害8种,主要为根病和叶病两大类。根病发病率在0.1%以下,呈单株零星不规则分布。叶病发生普遍,危害不大,表现为混生型。8种病害综合发病率在29%~86%;病情指数在8.24~35.87。基于调查,提出了平坝华山松种子园病害防治方法。The species and hazard conditions of diseases in Pingba Pinus armandii Franch seed orchard of Guizhou Province were investigated.The results showed that,there were eight species existing diseases in Pingba Pinus armandii Franch seed orchard,which mainly were root diseases and leaf diseases.The incidence of root diseases was less than 0.1%,and distributed sporadic,irregular and individual.The leaf diseases were common,with the performance of the mixed type,and there was little risk.The incidences of eight specides diseases were in 29% ~86%,and the disease-sensitive indexes were in 8.24~35.87.Based on investigation,the control methods of diseases in Pingba Pinus armandii Franch seed orchard were put forward.
分 类 号:S791[农业科学—林木遗传育种]
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