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Effect of abamectin on root-knot nematodes and tomato yield

文献类型： 外文期刊

作者： Qiao, Kang 1 ; Liu, Xia 1 ; Wang, Hongyan 2 ; Xia, Xiaoming 1 ; Ji, Xiaoxue 3 ; Wang, Kaiyun 1 ;

作者机构： 1.Shandong Agr Univ, Dept Plant Protect, Tai An 271018, Shandong, Peoples R China

2.Shandong Acad Agr Sci, Cotton Res Ctr, Jinan, Shandong, Peoples R China

3.Plant Protect & Inspect Stn Feicheng, Feicheng, Shandong, Peoples R China

关键词： abamectin;Meloidogyne incognita;soil application;tomato

期刊名称：PEST MANAGEMENT SCIENCE （ 影响因子：4.845； 五年影响因子：4.674 ）

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收录情况： SCI

摘要： BACKGROUND: Tomato growers in Shandong Province, China, commonly face heavy root-knot nematode infestations. Current methods of control include cadusafos and methyl bromide (MeBr), but alternative methods are required because of the high toxicity of these pesticides and the ecological risk of their use. Therefore, abamectin soil applications were evaluated for their potential to control soil nematodes in a series of laboratory tests, greenhouse pot experiments and field trials. RESULTS: Laboratory tests showed that abamectin exhibited rapid knockdown of Meloidogyne incognita, with LC_(50) and LC_(90) values that were superior to those of cadusafos and averaged 7.06 and 21.81 mg L~(-1). In the greenhouse pot experiment, soil applications of abamectin provided significant M. incognita control similar to that provided by cadusafos while maintaining excellent plant height and vigour. In the field trials, abamectin exhibited excellent control effects to nematodes while giving a higher tomato yield. There was a 19.3-39.0% yield increase from the various treatments compared with the control, and the best results were obtained from the highest dose of abamectin. CONCLUSION: The results of this study demonstrated that abamectin has the potential to be used as an effective alternative to MeBr and cadusafos for nematode control in tomato production in Shandong Province.

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