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拮抗棉花枯、黄萎病菌的甘草内生细菌初步研究
Preliminary Study on Endophytic Bacteria Isolated from Glycyrrhiza uralensis Antagonised to Fusarium oxysporum and Verticillium dahliae
【摘要】 采用无菌操作技术从野生健康甘草(Glycyrrhiza uralensis)根、茎、叶、种子、根瘤等组织中分离出内生细菌(Endophyticbacteria)125株,其中31株对棉花枯萎病菌(Fusarium oxysporum)、棉花黄萎病菌(Verticillium dahliae)具有较强的拮抗活性,这31株内生细菌分属于气芽孢杆菌属(Aerobacillussp.)、气单胞菌属(Aeromonassp.)、芽孢杆菌属(Bacillussp.)、黄单孢杆菌属(Xanthomonassp.)、假单胞杆菌属(Pseudomonassp.)、土壤杆菌属(Agrobacteriumsp.)
【Abstract】 125 strains of endophytic bacteria were isolated from different plant tissues of the healthy wild Glycyrrhiza uralensis 125 strains of endophytic bacteria were isolated from different plant tissues of the healthy wild Fusarium oxysporum and Verticillium dahliae were identified asAerobacillus,Aeromonas,Bacillus,Xanthomonas,Pseudomonas,Agrobacterium.
【关键词】 甘草;
内生细菌;
拮抗作用;
生物防治;
【Key words】 Glycyrrhiza uralensis; endophytic bacteria; antagonism; biological control;
【Key words】 Glycyrrhiza uralensis; endophytic bacteria; antagonism; biological control;
【基金】 塔里木大学校长基金(TDZKZD06001);新疆生产建设兵团科技攻关计划项目(2006GG26);国家自然科学基金(30660005);教育部重点项目(207139)
- 【文献出处】 塔里木大学学报 ,Journal of Tarim University , 编辑部邮箱 ,2007年02期
- 【分类号】S476
- 【被引频次】15
- 【下载频次】175