杉木球果生命表的研究  

Cone life table of Cunninghamia lanceolata

作　　者：来振良[1] 徐一忠 王伟安[2] 

机构地区：[1]浙江林学院园林系,浙江临安311300 [2]浙江省淳安县姥山林场,浙江淳安311700

出　　处：《浙江林学院学报》2000年第2期176-178,共3页Journal of Zhejiang Forestry College

摘　　要：1991年至 1 994年 ,在浙江省淳安县姥山林场进行了杉木球果生命表的研究。杉木球果在生长发育期间 ,因霜冻、病害和虫害等的影响 ,每年平均损失球果约 2 3%。结果表明 ,致使球果损失的关键因子是灰霉病 ,每年平均损失球果约 1 3% ;其次是杉木扁长蝽和瘿蚊 ,每年平均损失球果约 8%。表 2参The study was made at Laoshan Forest Farm of Chunan County from 1991 to 1994.The results showed that during the growth and development period of Cunninghamia lanceolata cone,an average loss of 23% per year resulted from frost,disease,pest and so on.Among which Botrytis cinerea,Sinorsillus piliferus and gall midges were key factors lost cone,resulting in mean annual loss of 13% and 8% respectively.

关 键 词：杉木 球果 生命表 病害 虫害 

分 类 号：S791.270.1[农业科学—林木遗传育种]