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首页> 外文期刊>Journal of Agricultural and Food Chemistry >Effects of Fumigation with Allyl Isothiocyanate on Soil Microbial Diversity and Community Structure of Tomato
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Effects of Fumigation with Allyl Isothiocyanate on Soil Microbial Diversity and Community Structure of Tomato

机译：呋喃代格与烯丙基异硫氰酸酯对番茄土壤微生物多样性及群落结构的影响

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摘要

As a substitute for methyl bromide, effects of allyl isothiocyanate (AITC) on nontarget microorganisms in soil are poorly understood. This study measured the half-life of AITC in the soil as well as its effects on the soil substrate-induced respiration (SIR) and on communities of soil bacteria and fungi. The results showed that AITC had a short half-life and a short-term inhibition of SIR; high-throughput sequencing analysis showed that AITC had less effect on bacterial than fungal communities. Fumigation reduced the diversity of soil bacteria temporarily, but stimulated the diversity of soil fungi in the long-term and significantly changed the structure of the fungal community. Following AITC fumigation there were significant increases in the relative abundance of probiotics such as Sphingomonas, Streptomyces, Hypocreales, Acremonium, Aspergillus, and Pseudallescheria that help to control plant diseases. Our study provided useful information for assessing the ecological safety of AITC.
机译：作为甲基溴的替代品，烯丙基异硫氰酸酯（AITC）对土壤中Nontarget微生物的影响尚不清楚。该研究测量了土壤中AITC的半衰期，以及对土壤基质诱导的呼吸（SIR）和土壤细菌和真菌的社区的影响。结果表明，AITC的半衰期短暂，短期抑制先生;高通量测序分析表明，AITC对细菌的影响比真菌社区少。熏蒸暂时降低了土壤细菌的多样性，但刺激了长期土壤真菌的多样性，显着改变了真菌群落的结构。在AITC熏蒸之后，纯益生菌如鞘氨基醇，链霉菌，副病症，仇敌，灰霉素和假毒性的相对丰富，有助于控制植物疾病的益生菌的相对丰富程度显着增加。我们的研究提供了评估AITC生态安全的有用信息。

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