文章摘要
邹立飞,侯宪文,李光义,邹雨坤,李勤奋.一株甜瓜枯萎病病原拮抗菌的筛选与防治效果初报[J].广东农业科学,2013,40(1):72-75
查看全文    HTML 一株甜瓜枯萎病病原拮抗菌的筛选与防治效果初报
Screening of a strain of antagonistic bacteria against muskmelon Fusarium wilt and a preliminary report of the control effect
  
DOI:
中文关键词: 甜瓜枯萎病  拮抗菌  生物防治
英文关键词: Fusarium oxysporum  antagonistic bacteria  bio-control
基金项目:国家公益性行业(农业)科研专项(201203072-4);国家木薯产业技术体系建设项目(nycytx-7);海南省重点科技计划项目(ZDXM20100021);海南大学“211工程”建设项目
作者单位
邹立飞,侯宪文,李光义,邹雨坤,李勤奋 海南大学环境与植物保护学院中国热带农业科学院环境与植物保护研究所 
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中文摘要:
      从海南11 个市县甜瓜地、蔬菜地中分离到570 株菌株,通过室内平板对峙、继代培养、发芽率等实验,筛选出3 株对甜瓜枯萎病防治效果较好和对甜瓜种子发芽率有促进作用的菌株D1、F1、H3,进行盆栽试验,结果显示,F1 菌株防治效果最好,并且在先接种108 CFU/mL 的F1 再接种107 CFU/mL 的病原菌,对甜瓜枯萎病的防治效果达到70.6%;经形态特征、生理生化和16SrDNA 测序实验鉴定,确定F1菌属于Bacillusmethylotrophicus。
英文摘要:
      570 strains were isolated from the soil samples collected from muskmelon and vegetable fields in the 11 counties in Hainan province. The strains D1,F1,H3 showed strong antagonistic effect against Fusarium oxysporum by adopting plate confront culture method and promoted the germination rate of musketmelon seeds. The strain F1 was further selected for pot experiment to control musketmelon wilt. When strain F1 culture suspention (108 CFU/mL) was inloculated in musketmelon first, then following pathogen(107 CFU/mL), the control effect could reach to 70.6%. Based on the morphological characteristics and 16S rDNA sequence, strain F1 belonged to Bacillus methylotrophicus.
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