“凤丹”牡丹根际土壤LJP21菌株的解钾活性及其鉴定
发布时间：2019-08-09 13:37
【摘要】：以"凤丹"牡丹根际土壤为试材,采用稀释平板法,分离根际环境中的解钾菌,并进行活性评估及鉴定。结果表明:共分离到了4株解钾菌(LJP3、LJP7、LJP21、LJP23),在28℃、180r·min~(-1)条件下发酵培养7d后,LJP21菌株的发酵液中水溶性速效钾含量最高,达到2.6μg·mL~(-1),将其作为鉴定菌株。通过表型特征观察、生化特性测定与16SrDNA测序的多相分析,初步将菌株LJP21归为微小杆菌属Exiguobacterium,暂命名为Exiguobacteriumsp.LJP21。菌株LJP21可作为菌肥或生物钾肥开发的备用出发菌株。
[Abstract]:Using the rhizosphere soil of "Fengdan" peony as the test material, the potassium decomposing bacteria in the rhizosphere environment were isolated by dilution plate method, and the activity was evaluated and identified. The results showed that four strains of potassium-hydrolyzing bacteria (LJP3,LJP7,LJP21,LJP23) were isolated and cultured at 28 鈩，
本文编号：2524813
[Abstract]:Using the rhizosphere soil of "Fengdan" peony as the test material, the potassium decomposing bacteria in the rhizosphere environment were isolated by dilution plate method, and the activity was evaluated and identified. The results showed that four strains of potassium-hydrolyzing bacteria (LJP3,LJP7,LJP21,LJP23) were isolated and cultured at 28 鈩，
本文编号：2524813
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