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The efficacy of the reduced rates of 1,3-D + abamectin for control of Meloidogyne incognita in tomato production in China

文献类型： 外文期刊

作者： Qiao, Kang 1 ; Duan, Haiming 2 ; Wang, Hongyan 3 ; Wang, Yang 1 ; Wang, Kaiyun 1 ; Wei, Min 4 ;

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

2.Anhui Sci & Technol Univ, Coll Agr, Fengyang 233100, Anhui, Peoples R China

3.Shandong Acad Agr Sci, Cotton Res Ctr, Jinan 250100, Shandong, Peoples R China

4.Shandong Agr Univ, Coll Hort Sci & Engn, Tai An 271018, Shandong, Peoples R China

关键词： Efficacy; Integrated Management; Meloidogyne incognita; Vegetables

期刊名称：SCIENTIA HORTICULTURAE （ 影响因子：3.463； 五年影响因子：3.672 ）

ISSN： 0304-4238

年卷期： 2014 年 178 卷

页码：

收录情况： SCI

摘要： Tomato growers in China commonly face heavy root-knot nematode (Meloidogyne incognita) infestations. Current methods of control rely mainly on methyl bromide (MB) treatments to the soil. Our previous studies demonstrated that 1,3-dichloropropene (1,3-D) and abamectin were feasible alternatives to MB, and both had been widely used. However, the efficacy of reduced rates of 1,3-D combination with abamectin for their potential to control root-knot nematodes and effect on yield remains unknown. In the present study, the efficacy of such combination was tested in laboratory and field conditions. Laboratory tests showed that 1,3-D + abamectin (1:1, volume) exhibited moderate efficacy to M. incognita, better than abamectin used alone, with LC50 and LC90 2.28 and 10.40 mg a.i. L-1, respectively. In field trials, reduced rates of 1,3-D + abamectin exhibited high control effect on M. incognita and were also associated to higher tomato growth and yield, compared with 1,3-D dose used alone. 1,3-D + abamectin treatment exhibited a better performance than both 1,3-D doses used alone, demonstrating its superiority of combining use. There was a 17.7% to 60.9% and 11.4% and 67.8% yield increase from the various treatments compared with the control in the both seasons. The results of this study demonstrated that reduced rates of 1,3-D + abamectin had the potential to be used as an effective alternative to MB for M. incognita control and tomato production in Shandong province, China. (C) 2014 Elsevier B.V. All rights reserved.

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