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中国农学通报

中国农学通报 ›› 2009, Vol. 25 ›› Issue (13): 179-181.

所属专题： 园艺

• 植物保护 农药 • 上一篇    下一篇

海南豇豆蚜对敌敌畏、三氟氯氰菊酯、辛硫磷和氰戊菊酯的敏感性测定

陈青,卢芙萍   

  • 收稿日期:2009-03-05 修回日期:2009-04-02 出版日期:2009-07-05 发布日期:2009-07-05

Susceptibility of Cowpea Aphid (Aphis Craccivora Koch) to Dichlorvos, Cyhalothrin，Phoxim and Methomyl in Hainan

  • Received:2009-03-05 Revised:2009-04-02 Online:2009-07-05 Published:2009-07-05

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摘要：

就海南省崖城、金江、通什和两院地区豇豆上的豇豆蚜对敌敌畏、三氟氯氰菊酯、辛硫磷和氰戊菊酯的敏感性进行了初步调查与研究。试验结果表明，不同地区豇豆蚜对敌敌畏、三氟氯氰菊酯、辛硫磷和氰戊菊酯的敏感性存在明显差异。崖城和金江两地区豇豆蚜种群对三氟氯氰菊酯、辛硫磷、氰戊菊酯和DDV均表现出较强的抗药性。以两院地区豇豆蚜作为敏感品系，崖城和金江两地区豇豆蚜种群对三氟氯氰菊酯、辛硫磷、氰戊菊酯、DDV的LC50抗性比值分别为21.86倍、22.78倍、17.88倍、13.49倍和10.91倍、12.59倍、11.47倍和13.49倍。通什地区的豇豆蚜对三氟氯氰菊酯、辛硫磷、氰戊菊酯和DDV的抗性也有一定的提高，与两院种群LC50抗性比值分别为1.58倍、12.27倍、4.45倍和2.28倍。而且崖城、金江和通什地区豇豆蚜种群对三氟氯氰菊酯、辛硫磷、氰戊菊酯和DDV抗性种群的异质性很强。

关键词: 超甜玉米, 超甜玉米, 营养元素, 营养规律

Abstract:

A preliminary investigation of the susceptibility of cowpea aphid to dichlorvos, cyhalothrin，phoxim and methomyl were performed in Jinjiang, Liangyuan, Yacheng and Tongshen villages, Hainan .province.The results showed that cowpea aphid from different areas had different susceptibility to dichlorvos, cyhalothrin，phoxim and methomyl. Cowpea aphid populations from Yacheng and Jinjiang villages were significantly resistant to cyhalothrin，phoxim, methomyl and dichlorvos, the resistant rates were 21.86-fold, 22.78-fold, 17.88-fold , 13.93-fold and 10.91-fold，12.59-fold, 11.47-fold, 13.49-fold as those of Liangyuan based on the results of LC50, respectively. The resistances of cowpea aphid from Tongshen village to cyhalothrin，phoxim, methomyl and dichlorvos were increased, its resistant rates were 1.58-fold, 12.27-fold, 4.45-fold and 2.28-fold as those of Liangyuan based on the results of LC50. Furthermore, the heterogeneity of the four cowpea aphid populations were better to cyhalothrin，phoxim, methomyl and dichlorvos. It’s time to beteer apply cyhalothrin，phoxim, methomyl and dichlorvos to control cotton ahpid in Hainan so as not to develop much more resistant cotton ahpid populations, respectively.