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| Effects and Economic Benefit Analysis of Control Cucumber Root-knot Nematodes by Different Fumigant Treatments |
| CAO Ao-cheng1，2，GUO Mei-xia1，2，YAN Dong-dong1，MAO Lian-gang1，ZHAO Hai-bin1，XIE Hong-wei1，LI Wei1，WANG Qiu-xia1，2，LI Yuan1，2，ZHENG Jian-qiu2，3，WU Zhen-mei4 |
| 1Institute of Plant Protection，Chinese Academy of Agricultural Sciences，Beijing 100193，China|2Team-Innovation of Beijing Modern Agriculture and Industrial Technology Innovation System，Beijing 100029，China|3Beijing Station of Plant Protection，Beijing 100029，China|Zhanhua Agricultural Bureau of Shandong Province, Zhanhua 256800，Shandong，China |
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Abstract Several fumigants，93% 1，3-dichloropropene EC，62% 1，3-dichloropropene capsule，42% metham sodium AS，98% dazomet MG，99% sulfuryl fluoride TC，93% 1，3-D EC+98% dazomet MG，and 93% 1，3-D EC+42% metham sodium AS，were used to control cucumber root-knot nematodes．98% Methyl bromide was used as control．The results showed that all fumigant treatments had good efficacy against root-knot nematodes．The cucumber yield from all fumigant treatments was higher than that of untreated control．The yield obtained by treatments of 50 g m-2 98% Methyl bromide，9 g m-2 93% 1，3-D EC+25 g m-2 98% dazomet MG and 9 g m-2 93% 1，3-D EC+21 g m-2 42% methm sodium AS were the higher than the control．Good yield and economic benefits can also be achieved，when cucumber is treated with fumigants 9～18 g m-2 1，3-D EC，1，3-D capsule and 25～50 g m-2 sulfuryl fluoride TC.
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Received: 03 August 2011
Published: 10 October 2011
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