Isolation of a pink-pigmented facultative methylotrophic bacteria and its growth-promoting effect on pepper plants
文献类型： 外文期刊
第一作者： Yang, Ting
作者： Yang, Ting;An, Yuxing;Sun, Donglei;Lu, Yinglin;Shi, Fachao
作者机构：
关键词： Growth promotion; indole-3-acetic acid; Methylobacterium populi; nitrogen fixation; pepper plants; sugarcane rhizosphere
期刊名称：CURRENT SCIENCE （ 影响因子：1.169； 五年影响因子：1.228 ）
ISSN： 0011-3891
年卷期： 2022 年 123 卷 2 期
页码：
收录情况： SCI
摘要： Microorganisms offer a low-cost, eco-friendly alternative to chemical fertilizers. A pink-pigmented facultative methylotrophic bacterium Gen-B2 was isolated from sugarcane rhizosphere and its growth-promoting activity was detected using in vitro experiments. Based on morphological, biochemical and molecular characteristics, Gen-B2 was identified as Methylobacterium populi. Pepper seedling inoculation significantly benefitted shoot/root fresh/dry weight, plant height, chlorophyll content and average true leaf number. Determination of activities related to growth promotion indicated that Gen-B2 promoted plant growth through nitrogen fixation and indole acetic acid synthesis. The present study suggests that this bacterium has great potential to be used as a bioinoculant for sustainable cultivation.
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