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The synergistic advantage of combining chloropicrin or dazomet with fosthiazate nematicide to control root-knot nematode in cucumber production

文献类型： 外文期刊

作者： Huang Bin 1 ; Wang Qian 1 ; Guo Mei-xia 1 ; Fang Wen-sheng 1 ; Wang Xiao-ning 1 ; Wang Qiu-xia 1 ; Yan Dong-donga 1 ; Ouy 1 ;

作者机构： 1.Chinese Acad Agr Sci, Inst Plant Protect, Beijing 100193, Peoples R China

2.Beijing Innovat Consortium Agr Res Syst, Beijing 100193, Peoples R China

关键词： dazomet; chloropicrin; fosthiazate; cucumber; root-knot nematode

期刊名称：JOURNAL OF INTEGRATIVE AGRICULTURE （ 影响因子：2.848； 五年影响因子：2.979 ）

ISSN： 2095-3119

年卷期： 2019 年 18 卷 9 期

页码：

收录情况： SCI

摘要： The highly-damaging root-knot nematode (Meloidogyne spp., RKN) cannot be reliably controlled using only a nematicide such as fosthiazate because of increasing pest resistance. In laboratory and greenhouse trials, we showed that chloropicrin (CP) or dazomet (DZ) synergized the efficacy of fosthiazate against RKN. The combination significantly extended the degradation half-life of fosthiazate by an average of about 1.25 times. CP or DZ with fosthiazate reduced the time for fosthiazate to penetrate the RKN cuticle compared to fosthiazate alone. CP or DZ combined with low or medium rate of fosthiazate increased the total cucumber yield, compared to the use of each product alone. A low-dose fosthiazate with DZ improved total yield more than a low dose fosthiazate with CP. Extending the half-life of fosthiazate and reducing the time for fosthiazate or fumigant to penetrate the RKN cuticle were the two features that gave the fumigant-fosthiazate combination its synergistic advantage over these products used singularly. This synergy provides the opportunity for farmers to use a low dose of fosthiazate which lowers the risk of RKN resistance. Farmers could combine DZ at 30 g m(-2) with fosthiazate at a low rate of 0.375 g m(-2) to control RKN and adequately control two major soil-borne diseases in cucumber greenhouses.

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