摘要
通过对春尺蠖幼虫各龄期体长、发育历期、食叶量等预报因子的观测,提出了简便易行的发生量预报方法,为适时开展防治提供了科学依据。
Through determining the forecast factors of the length, the developmental duration and the eating capacity of leaves of different instar's larva of Apocheima cinerarius, its simple forecast method of occurrence was put forward, which provides the scientific basis for its timely control.
出处
《甘肃林业科技》
2004年第3期34-35,78,共3页
Journal of Gansu Forestry Science and Technology
