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| 扁刺蛾越冬幼虫空间分布型的研究 | |
| 引用本文： | 薛中官 王永昌. 扁刺蛾越冬幼虫空间分布型的研究[J]. 江苏林业科技, 2000, 27(4): 43-45 |
| 作者姓名： | 薛中官 王永昌 |
| 作者单位： | 连云港市林业技术指导站,江苏连云港 |
| 摘 要： | 通过测定５个空间分布型指数和建立２个回归直线，发现扁刺蛾越冬幼虫空间分布型属聚集分布。另外，干基周围划分为３个层次，内层虫口数量与中、外两层的差异均达１％的显著水平。 |
| 关 键 词： | 扁刺蛾 越冬幼虫 空间分布型 杨树害虫 预测预报 |
A study on the spatial pattern of the larva of Thosea sinensis surviving in winter |
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| XUE Zhong guan,WANG Yong chang,ZHANG Yong zhong. A study on the spatial pattern of the larva of Thosea sinensis surviving in winter[J]. Journal of Jiangsu Forestry Science & Technology, 2000, 27(4): 43-45 | |
| Authors: | XUE Zhong guan WANG Yong chang ZHANG Yong zhong |
| Abstract: | Five indices of collective rate and 2 linear regression showed that the spatial pattern of Thosea sinensis surviving in the winter is belong to the collection distribution.In addittion,there are three layers around trees in the ground,and there is significant differance in the quantity of the pests between inner layer and the others |
| Keywords: | Thosea sinensis Wintering Larva Spatial pattern |
| 本文献已被 CNKI 维普 等数据库收录！ | |