文献类型： 外文期刊
第一作者： Qiao, K.
作者： Qiao, K.;Shi, X. B.;Wang, K. Y.;Wang, H. Y.;Ji, X. X.
作者机构：
关键词： Soil fumigation; Methyl bromide alternatives; 1,3-Dichloropropene; Nematode; Soil-borne pathogen; Weed control
期刊名称：CROP PROTECTION （ 影响因子：2.571； 五年影响因子：3.11 ）
ISSN： 0261-2194
年卷期： 2010 年 29 卷 11 期
页码：
收录情况： SCI
摘要： 1,3-dichloropropene (1,3-D, C(3)H(4)Cl(2)) is one of the potential candidates as soil disinfectant since the restriction of methyl bromide (MeBr) in soil fumigation due to its ecological risk. Its nematode, soil-borne pathogen and weed control efficacies were evaluated in a laboratory dose-response study and in two commercial tomato fields. Laboratory studies found that the seeds of Digitaria chinensis Hornem. were the most sensitive to soil fumigation with 1,3-D, followed by Eleusina indica (Linn.) Gaertn., Echinochloa crusgalli (L) Beauv. and Amaranthus retroflexus L with the LC(90) values between 14.23 and 73.59 mg kg(-1) soil. Among the pathogens, Phytophthora capsici Leonian was the most sensitive and Fusarium oxysporum f. sp. fragariae was the least sensitive to 1,3-D fumigation with the LC(50) values were 0.24 and 1.55 g m(-2). Rhizoctonia solani Kuhn., Phytophthora nicotianae var. nicotianae and Botrytis cinerea Persoon exhibited intermediate susceptibility. Field trials revealed that 1,3-D applied to the field at 180, 120 and 80 L ha(-1) could suppress Meloidogyne incognita root galling while maintaining high tomato marketable yields, better than Dazomet at the concentration of 400 kg ha(-1). Our results indicated that 1,3-D was an excellent nematicide and could provide good to moderate weed and pathogen control. Based on our results, 1,3-D, in combination with other alternatives to MeBr is recommended to reach an integrated pest management. (c) 2010 Elsevier Ltd. All rights reserved.
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