Efficacy of soil fumigation with dazomet for controlling ginger bacterial wilt (Ralstonia solanacearum) in China
文献类型: 外文期刊
第一作者: Jiang, Hongyun
作者: Jiang, Hongyun;Wang, Qiuxia;Yan, Dongdong;Cao, Aocheng
作者机构:
关键词: Soil fumigant;Methyl bromide;Dazomet;Ginger;Ralstonia solanacearum
期刊名称:CROP PROTECTION ( 影响因子:2.571; 五年影响因子:3.11 )
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收录情况: SCI
摘要: Dazomet (DZ) is a potential alternative to methyl bromide (MB) for combatting ginger bacterial wilt caused by Ralstonia solanacearum. MB was scheduled to be phased out by 2015 in China, except for temporary critical use exemptions (CUEs) in ginger production. Laboratory studies and field trials were conducted to evaluate the effects of DZ on R. solanacearum. The results showed that the ECso and ECso values of DZ were 27.6 and 51.7 mg a.i. kg(-1) soil, respectively. In field trials, DZ treatments at a dose of 80 g m(-2) exhibited results similar to MB treatment compared with the R. solanacearum control group in terms of plant mortality, plant growth, rhizome disease indices, and yield. Significantly better results from all fumigant treatments were observed compared with those of the untreated control. These results indicate that DZ could be applied in integrated pest management programs of ginger as a promising alternative to MB for controlling ginger bacterial wilt in China. (C) 2017 Elsevier Ltd. All rights reserved.
分类号: S18
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