摘要
采用1995~2004年10年时间的虫情调查资料,对落叶松鞘蛾发生期进行了系统研究,采用期距法建立了期距值表,并用一元回归法建立了回归预测模型,经验证,精度都比较高。
A systermatic research on the occurrence of Coleophora dahurica was carried out, based on indigtal information of systermatic pest investigated by 10 years during 1995-2004. By using the method of occurrence stage to established the table's value of occurrence stage and the method of monoregressional forecasting model, both two models have the highly accuracy and higher practical result.
出处
《林业科技》
北大核心
2006年第1期22-24,共3页
Forestry Science & Technology