The microbial flora in bamboo stump at different decomposition degree was studied. The results showed that the logarithmic values of bacterial concentrations ranged from 5.477 to 7.380; the logarithmic values of funga...The microbial flora in bamboo stump at different decomposition degree was studied. The results showed that the logarithmic values of bacterial concentrations ranged from 5.477 to 7.380; the logarithmic values of fungal concentrations ranged from 5.301 to 6.903; the logarithmic values of actinomycetes concentrations ranged from 5.740 to 7.000; the logarithmic values of cellulose-degrading bacterial concentrations ranged from 4.301 to 6.447; the logarithmic values of lignin-degrading bacterial concentrations ranged from 4.415 to 6.799. During the decomposition of bamboo stump, all the microorganisms grew rapidly at the initial stage; the logarithmic values of bacterial, fungal and actinomycetes concentrations changed constantly at the middle stage; and the logarithmic values were all higher at the late stage.There were assistance and competition among microorganism to certain extent. Understanding the decomposition rule of bamboo stump before its cutting down can provide some reference for the future decomposition of bamboo stump, and provide basic data for the isolation of microorganisms from bamboo stump at the species level.展开更多
基金Supported by Youth Innovation Fund of Hunan Academy of Forestry(2013LQJ09)~~
文摘The microbial flora in bamboo stump at different decomposition degree was studied. The results showed that the logarithmic values of bacterial concentrations ranged from 5.477 to 7.380; the logarithmic values of fungal concentrations ranged from 5.301 to 6.903; the logarithmic values of actinomycetes concentrations ranged from 5.740 to 7.000; the logarithmic values of cellulose-degrading bacterial concentrations ranged from 4.301 to 6.447; the logarithmic values of lignin-degrading bacterial concentrations ranged from 4.415 to 6.799. During the decomposition of bamboo stump, all the microorganisms grew rapidly at the initial stage; the logarithmic values of bacterial, fungal and actinomycetes concentrations changed constantly at the middle stage; and the logarithmic values were all higher at the late stage.There were assistance and competition among microorganism to certain extent. Understanding the decomposition rule of bamboo stump before its cutting down can provide some reference for the future decomposition of bamboo stump, and provide basic data for the isolation of microorganisms from bamboo stump at the species level.
