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Issue:
THE STUDY ON SPATIAL DISTRIBUTION AND SEQUENTIAN SAMPLING OF BROAD-BEAN WEEVILS’ ADULTS
Author(s):
Yang Changju
,
Zhw Huauing
,
Zhu Yalan and Jiang Xuejie
Pages:
312
-
315
Year:
1986
Issue:
3
Journal:
Journal of Huazhong Agricultural University
Keyword:
分布型
;
抽样技术
;
抽样数量
;
虫量
;
发生盛期
;
嵌纹分布
;
虫口密度
;
数量调查
;
抽样方法
;
核心分布
;
Abstract:
<正> 蚕豆象(Bruchus rufimanus)是危害蚕豆籽粒的一种害虫。研究其田向分布型,对确定资料代换和相应抽样技术及提高测报质量和防治技术都有重要意义。为此,我们于1982年和1985年对蚕豆象成虫的田间分布型进行了调查,并对抽样方法和抽样数量进行了比较,现将研究结果简报如下。
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