Title: A study on the development of Aphis gossypii resistance to imidacloprid etc.in the different areas of Hebei province
Abstract: The toxicity of Hebei Aphis gossypii to omethoate,methomyl,imidacloprid and acet- amiprid was ditermined from 2004 to 2007.The results,which compared with the baseline,showes that,to methomyl,the resistance is in moderate and high-level,and the resistance ratios reaches 94.04 folds;although it's increasing speed was fast,the resistance to omethoate is still in the low and moderate-level,which is from 2.15 to 20.76 folds;the fluctuations of the resistance of different population to neonicotines showes very large,and the difference to Acetamiprid comes to 25.83 fol- ds.
Publication Year: 2008
Publication Date: 2008-01-01
Language: en
Type: article
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