文献类型： 外文期刊
第一作者： Li, Jian
作者： Li, Jian;Li, Mei;Gao, Xingxiang;Fang, Feng
作者机构：
关键词： Parthenium hysterophorus; Microbiome; Biological control; Physico-chemical properties
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： 2018 年 113 卷
页码：
收录情况： SCI
摘要： In a previous study, straw mulching (SM) significantly affected the soil microbial environment, and weed composition and biomass. We hypothesized that corn SM may effectively control Parthenium hysterophorus. The growth traits, and the physico-chemical and microbiological properties of rhizosphere soils around P. hysterophorus were analyzed in 2014 and 2015. Compared to the control, plant emergence, biomass, plant height, leaf numbers, leaf area index, and flower and seed numbers significantly decreased in the SM treatments. Flowering time was delayed by 5-11 days, pH was slightly reduced, and organic matter and available N/P/K increased in the rhizosphere. The number of culturable bacteria fell slightly during plant emergence, but bacteria levels increased significantly during flowering. Nitrospira and Actinobacteria dominated the microbial communities and their composition ratio increased under SM. The results suggest that SM affects rhizosphere microbial community composition, and the emergence and growth of P. hysterophorus.
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