湖南农业大学学报（自然科学版）2017，Vol.43Issue(4)：377-381,5.DOI:10.13331/j.cnki.jhau.2017.04.006
巨大芽孢杆菌和枯草芽孢杆菌混合对马铃薯生长及土壤微生物含量的影响
Effects of Bacillus megaterium and Bacillus subtilis on growth physiology of Solanum tuberosum L. and microbial biomass in rhizosphere soil
摘要
Abstract
In order to research the effects of different concentration of Bacillus megaterium and Bacillus subtilis on physiological characteristics and microbial biomass in rhizosphere soil of potato, random blocks designed pot experiments were conducted by adopted favorita, a kind of potato, as testing material. Experiments respectively treated with 33.33% (T1), 16.67% (T2) and 8.33% (T3) of bacteria agent, and control group (CK, distilled water) were designed. The results showed that treatment of T1, T2 and T3 could improve leaf net photosynthetic rate, activity of superoxide dismutase, peroxidase and catalase in tuber formation stage and tuber expansion stage, as well as in improving tuber yield, water use efficiency, bacteria biomass, fungi and actinomycetes in rhizosphere at harvest stage. The net photosynthesis rate in treatment of T2 were 7.17μmol/(m2·s) and 6.40μmol/(m2·s) in tuber formation stage and tuber expansion stage, respectively, higher than that of CK. The tuber dry weight, the water use efficiency and the microbial biomass in rhizosphere soil of T2 was 18.6 g/pot, 1.64 g/kg and 6877.17 CFU/g, respectively, all higher than that of CK.关键词
巨大芽孢杆菌/枯草芽孢杆菌/'费乌瑞它'马铃薯/生长生理/土壤微生物Key words
Bacillus megaterium/Bacillus subtilis/'favorita'Solanum tuberosumL./growth physiology/soil microbe分类
农业科技引用本文复制引用
邢嘉韵,兰时乐,李姣,王惠群..巨大芽孢杆菌和枯草芽孢杆菌混合对马铃薯生长及土壤微生物含量的影响[J].湖南农业大学学报（自然科学版）,2017,43(4):377-381,5.基金项目
湖南省教育厅项目(14K044) （14K044）
