Evaluation of the combination of 1,3-dichloropropene and dazomet as an efficient alternative to methyl bromide for cucumber production in China
文献类型: 外文期刊
第一作者: Mao, Lian-Gang
作者: Mao, Lian-Gang;Wang, Qiu-Xia;Yan, Dong-Dong;Xie, Hong-Wei;Li, Yuan;Guo, Mei-Xia;Cao, Ao-Cheng
作者机构:
关键词: soil fumigation;1;3-dichloropropene;dazomet;root-knot nematode;soilborne fungi;weed control
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: The combination of 1,3-dichloropropene (1,3-D) and dazomet (DZ) offers a potential alternative to methyl bromide (MB) for soil disinfection. MB is scheduled to be withdrawn from routine use by 2015 in developing countries. Combination treatments of 1,3-D + DZ were evaluated in a laboratory study and in two commercial cucumber fields. RESULTS: Laboratory studies found that nearly all of the tested combinations of 1,3-D and DZ displayed positive synergistic activity on root-knot nematodes (Meloidogyne spp.), two major soilborne fungi (Fusarium spp. and Phytophthora spp.) and the seeds of two major weed species [Digitaria sanguinalis and Abutilon theophrasti). Field trials revealed that the combination of 1,3-D and DZ (at 10 + 25 g m~(-2)) successfully suppressed Meloidogyne spp. root galling, sharply reduced Fusarium spp. and Phytophthora spp. and maintained high cucumber yields. The combination treatment of 1,3-D + DZ was more effective than 1,3-D or DZ alone and provided results similar to methyl bromide with respect to pest control, plant mortality, plant height, yield and income. All of the treatments were significantly better than the non-treated control. CONCLUSION: The results indicate that the tested combination of 1,3-D and DZ offers an efficient alternative to methyl bromide for cucumber production.
分类号: S4
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