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HUGuo-liang, CHENG Yi-peng, LOUJun-fang, WANG Guo-du, XIAGuo-hua, CHEN Jian-gang, ZHANG Zu-ping. Biological characteristics of blossom midge(Contarinia sp.) in Carya cathayensis and its control techniques[J]. Journal of Zhejiang A&F University, 2007, 24(4): 463-467.
Citation: HUGuo-liang, CHENG Yi-peng, LOUJun-fang, WANG Guo-du, XIAGuo-hua, CHEN Jian-gang, ZHANG Zu-ping. Biological characteristics of blossom midge(Contarinia sp.) in Carya cathayensis and its control techniques[J]. Journal of Zhejiang A&F University, 2007, 24(4): 463-467.

Biological characteristics of blossom midge(Contarinia sp.) in Carya cathayensis and its control techniques

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浙江省杭州市重大招标项目(2002112A12)

  • Received Date: 2007-01-17
  • Rev Recd Date: 2007-04-27
  • Publish Date: 2007-08-20
通讯作者: 陈斌, bchen63@163.com
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Biological characteristics of blossom midge(Contarinia sp.) in Carya cathayensis and its control techniques

Funds:

浙江省杭州市重大招标项目(2002112A12)

Abstract: Blossommidge, Contarinia sp.(Diptera: Cecidomyiidae)is a new pest species of Carya cathayensis(cathay hickory). Its one generation lasts one year in Lin'an City, Zhejiang Province. Its larvae damage the tree's flowers in early April, the mature larvae live through the summer and winter under the ground and pupate later in next March. Spraying and dripping pesticides methods were used to control blossom midge during the damaging period. The spraying pesticides were 400 gkg- 1 chlorpyrifos EC, 300 gkg- 1 acephate EC, 300 gkg- 1 imidacloprid EC and 500 gkg- 1 qianyingling WP with the ratios to water of 1∶500, 1∶800 and 1∶1 000.The dripping pesticideswas 300 gkg- 1 acephate mixed with 300 gkg- 1 imidacloprid with the ratio of 1∶0, 1∶1 and 1∶2. All the treatments above had six replications. The results showed that the control efficiency of spraying was 94.8%, significantly better(P= 0.00) than dripping's(2.40%).[Ch, 2 fig. 6 tab. 8 ref.]

HUGuo-liang, CHENG Yi-peng, LOUJun-fang, WANG Guo-du, XIAGuo-hua, CHEN Jian-gang, ZHANG Zu-ping. Biological characteristics of blossom midge(Contarinia sp.) in Carya cathayensis and its control techniques[J]. Journal of Zhejiang A&F University, 2007, 24(4): 463-467.
Citation: HUGuo-liang, CHENG Yi-peng, LOUJun-fang, WANG Guo-du, XIAGuo-hua, CHEN Jian-gang, ZHANG Zu-ping. Biological characteristics of blossom midge(Contarinia sp.) in Carya cathayensis and its control techniques[J]. Journal of Zhejiang A&F University, 2007, 24(4): 463-467.
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