杉梢小卷蛾生物学特性观察
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刘永忠[1] 郭国寿[2] 王宗银[3]
[1]互助县五峰乡农科站,810500 [2]大通县第一中学,810102 [3]互助县五峰乡林业站,810500
摘 要:
杉梢小卷蛾是互助县青海云杉上危害的主要害虫,该虫在我县年发生一代。雌虫平均产卵量为24.7粒,产卵部位集中于云杉当年萌发的新梢基部,卵期6--7d,幼虫共6龄,历期35—42d。用菊酯类药物防治该虫效果较好。[著者文摘]

文章出处:
《青海农林科技》-2007年3期 -37-38页
Science and Technology of Qinghai Agriculture and Forestry
栏目信息:
分 类 号:
文献标识码:
A
文章编号:
1004-9967(2007)03-0037-02
[参考文献]
Observation on Biological Characteristics of Polychrosis cunninghamiacola
LIU Yong-zhong , GUO Guo-shou, WANG Zong-yin ( 1. WuFeng Township Agriculture Station, Huzhu Qinghai, 810500 China; 2. Datong County The First middle School, Datong Qinghai, 810102 China; 3. WuFeng Township Forestry Station, Huzhu Qinghai 810500 China)
Abstract:
Polychrosis cunninghamiacola is a major pest of Picea crassifolia in Huzhu county, it has one generation a year. The average egg unmbers of female was 24.7, the eggs were placed the base of new shoot in that year of thickleaf spruce, the period of eggs was 6-7d, the larue underwent 6 instals, the development time was 35- 42d. The control effect applying pynethroids was better.[著者文摘]
Key words:
Polychrosis cunninghamiacola ; Biological characteristics ; Thickleaf spruse ; Control
收稿日期: 2006-12-12

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