| 水稻田和茭白田越冬代二化螟成虫习性研究 |
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| 引用本文： | 徐红星,俞晓平,吕仲贤,陈建明,郑许松,陶林勇,卜卫良.水稻田和茭白田越冬代二化螟成虫习性研究[J].浙江农业学报,2001,13(3):157-160. |
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| 作者姓名： | 徐红星 俞晓平 吕仲贤 陈建明 郑许松 陶林勇 卜卫良 |
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| 作者单位： | 1. 浙江省农业科学院植物保护研究所,
2. 浙江省东阳市植保站, |
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| 基金项目： | 浙江省自然科学青年专项基金(RCZX-9708)；浙江省项目(ASXM09) |
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| 摘 要： | 水稻田越冬代二化螟最早于4月26日开始羽化，其羽化始盛期为5月9-10日，高峰期为5月13-14日，盛末期为5月18-19日，茭白田越冬代二化螟的始见蛾日为5月5日，比水稻田二化螟迟了9d，羽化始盛期、高峰期、盛末期依次为5月11-12日，17-18日和23-24日，均比水稻田二化螟迟2-5d。水稻田二化螟越冬幼虫的存活率和化蛹率分别为67.30%和70.06%，茭白田二化螟则分别比其低20.90%和21.69%；二者的羽化率差不多，分别为90.28%和89.19%，水稻田二化螟羽化成虫的雌雄性比为1：1.44，而茭白田二化螟则接近1：1，产卵选择性试验结果表明，水稻田和茭白田二化螟均喜在茭白植株上产卵。
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| 关 键 词： | 越冬代二化螟 习性 生境 成虫 水稻田 茭白田 |
| 文章编号： | 1004-1524(2001)03-0157-04 |
| 修稿时间： | 2000年8月11日 |
Study on the biology of
over-wintered striped stem borer,Chilo suppressalis (Walker) |
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| XU Hong-xing,YU Xiao-ping,LU Zhong-Xian,CHEN Jian-ming,ZHEN Xu-shong,TAO Lin-yong,BO Wei-liang.Study on the biology of
over-wintered striped stem borer,Chilo suppressalis (Walker)[J].Acta Agriculturae Zhejiangensis,2001,13(3):157-160. |
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| Authors: | XU Hong-xing YU Xiao-ping LU Zhong-Xian CHEN Jian-ming ZHEN Xu-shong TAO Lin-yong BO Wei-liang |
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| Abstract: | The over-wintering striped stem borer (SSB),Chilo suppressalis (Walker),collected from rice fields started to emerge on April 26.Then 16%,50% and 84% of adults emerged during May 9-10,May 13-14 and May 18-19 respectively.The SSB collected from Zizania fields firstly emerged on May 5,9 days later than those collected from rice fields.The survival and pupation rates of over-wintered SSB collected from rice field were 67.30% and 70.06%,much higher than SSB collected from Zizania fields.The emerging rates were similar between SSB collected from both habitats.The sex ratios of female-male SSB from rice and Zizania fields were 1∶1.44 and close to 1∶1 respectively.SSB from both rice and Zizania fields mostly prefer to oviposit on Zizania plants. |
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