Effect of endophytic Bacillus megaterium colonization on structure strengthening, microbial community, chemical composition and stabilization properties of Hybrid Pennisetum
文献类型： 外文期刊
作者： Shah, Assar A. 1 ; Liu, Zhiwei 1 ; Qian, Chen 1 ; Wu, Juanzi 1 ; Zhong, Xiaoxian 1 ; Umm-e-Kalsoom 4 ;
作者机构： 1.Natl Forage Breeding Innovat Base JAAS, Nanjing, Jiangsu, Peoples R China
2.Jiangsu Acad Agr Sci, Inst Anim Sci, Nanjing 210014, Jiangsu, Peoples R China
3.Minist Agr & Rural Affairs, Key Lab Crop & Anim Integrated Farming, Nanjing, Jiangsu, Peoples R China
4.Hazara Univ Mansehra, Dept Biochem, Mansehra, Pakistan
关键词： Bacillus megaterium 18-2; chemical composition; fermentation quality; Lactobacillus plantarum; Hybrid pennisetum
期刊名称：JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE （ 影响因子：3.638； 五年影响因子：3.802 ）
ISSN： 0022-5142
年卷期： 2020 年 100 卷 3 期
页码：
收录情况： SCI
摘要： BACKGROUND This study was conducted to analyze the effects of endophytic Bacillus megaterium (BM 18-2) colonization on structure strengthening, microbial community, chemical composition and stabilization properties of Hybrid Pennisetum. RESULTS The BM 18-2 had successfully colonized in the interior tissues in both leaf and stem of Hybrid Pennisetum. During ensiling, the levels of pH, acetic acid (AA), butyric acid (BA), propionic acid (PA), and the population of yeast and aerobic bacteria were significantly (P > 0.05) lower, while lactic acid bacteria (LAB) and lactic acid (LA) were significantly (P < 0.001) higher with the steps forward of ensiling in with BM 18-2 as compared to without BM 18-2 colonized of Hybrid Pennisetum. During the different ensiling days, at days 3, 6, 15, and 30, the genus Brevundimonas, Klebsiella, Lactococcus, Weissella, Enterobacter, Serratia, etc. population were significantly decreased, while genus Pediococcus acidilactici and Lactobacillus plantarum were significantly influenced in treated groups as compared to control. The genus Lactobacillus and Pediococcus were positively correlated with treatment groups. CONCLUSIONS It is concluded that the endophytic bacteria strain BM 18-2 significantly promoted growth characteristics and biomass yield before ensiling and after ensiling inoculated with or without Lactobacillus plantarum could improve the distinct changes of the undesirable microbial diversity, chemical composition, and stabilization properties in with BM 18-2 as compared to without BM 18-2 colonized Hybrid Pennisetum. (c) 2019 Society of Chemical Industry
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