| 南昌地区柳圆叶甲生活史的研究 |
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| 引用本文： | 陈超,夏勤雯,权永兵,王建国.南昌地区柳圆叶甲生活史的研究[J].江西植保,2010,33(4):148-151. |
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| 作者姓名： | 陈超 夏勤雯 权永兵 王建国 |
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| 作者单位： | 江西农业大学农学院植物保护系,江西南昌330045 |
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| 基金项目： | 江西省教育规划课题，国家自然科学基金 |
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| 摘 要： | 在实验室和野外条件下,对柳圆叶甲Plagiodera versicolora（Laicharting）的生物学特性进行了系统观察。在野外,越冬成虫于3月下旬至5月中旬陆续出土繁殖,一年能繁殖6～12代。该虫由于成虫产卵持续时间长,完成一个世代的时间短,因此世代重叠现象非常明显。11月上旬后羽化的成虫取食一段时间后蛰伏越冬。成虫产卵有一定的周期性,一般10d为一个周期,每天产卵最少1粒,最多65粒。寄主树叶老嫩程度和气候条件对各世代成虫的产卵具有显著的影响。
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| 关 键 词： | 柳圆叶甲 生活史 产卵量 滞育 |
Life Cycle of the Willow Leaf Beetle Plagiodera versicolora(Coleoptera:Chrysomelidae) in Nanchang |
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| CHEN Chao,XIA Qin-wen,QUAN Yong-bing,WANG Jian-guo.Life Cycle of the Willow Leaf Beetle Plagiodera versicolora(Coleoptera:Chrysomelidae) in Nanchang[J].Jiangxi Plant Protection,2010,33(4):148-151. |
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| Authors: | CHEN Chao XIA Qin-wen QUAN Yong-bing WANG Jian-guo |
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| Institution: | (Department of Plant Protection,College of Agronomy,Jiangxi Agricultural University, Nanchang,330045,China) |
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| Abstract: | Life history of Plagiodera versicolora（Laicharting） was studied in laboratory and field.In the filed,the over-winter adults began to emerge from the soil gradually from late March to middle May.This species had 6 to 12 generations a year in Jiangxi Province.Adults began to enter diapause from late October to middle November.P.versicolora has a cyclic oviposition period,each of which lasted for about 10 days.Female adult could lay at lest 1 and most 65 eggs everyday.Its oviposition was influenced significantly with the quality of host plant and temperature respectively. |
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| Keywords: | Plagiodera versicolora life cycle egg production diapause |
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