摘要
湖南省双牌县五星岭林场发现松针褐斑病 ,大面积黄山松严重受害 ,平均发病率为60 .9% ,病情指数为 3 4.2 ,黄山松表现对松针褐斑病的高度感病性 ;而在人工接种条件下黄山松的病情指数仅为 1 2 .2 ,表现为抗病性。
The high susceptibility of Pinus taiwanensis to brown spot needle disease was firstly found in Shuangpai County,Hunan Province,China.The mean disease percent and disease index in damage forest was 60% and 33.2 respectively.But higher resistance to the disease was showed in the condition of artificial inoculation with 12.2 disease index.
出处
《森林病虫通讯》
北大核心
2000年第1期9-10,共2页
Forest Pest and Disease
