生态环境学报2016，Vol.25Issue(9)：1569-1574,6.DOI:10.16258/j.cnki.1674-5906.2016.09.022
代森锰锌类农药对生姜种植地土壤酶活性及微生物群落结构的影响
Effect of Mancozeb onSoil Enzyme Activities and Microbial Community in Ginger Fields
摘要
Abstract
The effect of mancozeb on activity of soil enzyme (urease, dehydrogenase, phosphatase and protease) and the diversity of microbial community in ginger fields were investigated, with treating amount of 0.48, 0.72 and 0.96 g·m-2 mancozeb in soil. The results showed that acid phosphatase activity was increased by 2.3% after treated with 0.48 g·m-2 mancozeb in vigorous growth period (VGS); 0.72 g·m-2 mancozeb inhibited soil acid phosphatase and protease activity significantly in VGS (P<0.05), with the inhibition rates 24.2% and 40.0% respectively, however, enzymes activities were partial recovered in ginger harvest season (HS). The activities of acid phosphatase and urease were markedly decreased in HS (P<0.05) by treated with 0.96 g·m-2of mancozeb, indicating that the inhibition rate is positive correlation with soil enzyme activity in certain range of treating amount (0.96 g·m-2), inhibition rate weaked when the treatment amount exceeds certain range (0.72 g·m-2). The inhibitory effects of mancozeb to soil enzyme follows a descending order in treatment amount: 0.72, 0.48, 0.96 g·m-2. Soil microbial richness and shannon wiener index of the DGGE profile exhibited that 0.48 g·m-2 was the most influential treating amount, following with 0.72 g·m-2 and 0.96 g·m-2, it is not a single linear relationship between bacterial community structure and soil enzyme activity. Cluster analysis demonstrated that the diversity of bacterial community is positively correlated with mancozeb treating amount.关键词
代森锰锌/土壤酶/微生物群落和结构Key words
mancozeb/soil enzyme/microbial community structure分类
农业科技引用本文复制引用
李霞,张小平,喻晓,张丹,李战鲁,刘子明,王镧,李欣..代森锰锌类农药对生姜种植地土壤酶活性及微生物群落结构的影响[J].生态环境学报,2016,25(9):1569-1574,6.基金项目
国家自然科学基金项目（41571315）；中国科学院仪器设备功能开发技术创新项目（Y6K2200200）；中国科学院院地合作项目 （）
