湖北农业科学2025，Vol.64Issue(1)：35-38,80,5.DOI:10.14088/j.cnki.issn0439-8114.2025.01.006
陕北枣树根际微生物筛选及促生性能初探
Screening and growth-promoting properties of jujube rhizosphere microorganism in Northern Shaanxi
摘要
Abstract
In order to provide reliable microbial resources for the research and development of jujube biological bacterial fertilizer in-dustry in Northern Shaanxi Province,strains with growth-promoting properties were screened from rhizosphere microorganisms of ju-jube in Northern Shaanxi Province by selective medium,and their growth-promoting properties were preliminarily studied.The re-sults showed that eight strains of potassium-solubilizing bacteria were obtained,and the potassium-solubilizing rate was 1.7%～2.8%.Among them,strain zyk-8 had the highest potassium-solubilizing ability.Eleven strains of phosphorus-solubilizing bacteria were ob-tained,and the phosphorus-solubilization rate was 1.77%～2.66%.Among them,the phosphorus-solubilizing rate of strain zyp-5 was the highest.Ten strains of producing siderophore were obtained,and the relative content of siderophore was 9.20%～47.85%.Among them,zyf-6 had the strongest ability to produce siderophore.Ten indoleacetic acid(IAA)-producing strains were screened,and IAA content in the fermentation broth was 4.50～20.56 mg/L.Among them,strain zyi-3 had the strongest ability to produce IAA.The select-ed strains had good growth promotion potential and could be used as effective strains to enhance soil fertility.关键词
枣树根际微生物/筛选/促生性能/溶磷/解钾/嗜铁素/吲哚乙酸(IAA)/陕北Key words
rhizosphere microorganisms of jujube/screen/growth-promoting properties/phosphate solubilization/potassium solubi-lization/siderophore/indoleacetic acid(IAA)/Northern Shaanxi分类
农业科技引用本文复制引用
刘欣瑞,黄君丽,贺晓龙,刘月芹,高小朋..陕北枣树根际微生物筛选及促生性能初探[J].湖北农业科学,2025,64(1):35-38,80,5.基金项目
陕西省科技创新团队建设项目(2023-CX-TD40) （2023-CX-TD40）
陕西省教育厅重点科学研究计划(重点实验室)项目(17JS136) （重点实验室）
