GUO Jian-wei,YANG Jian,WANG Jian-hu,et al.Screening of Antagonistic Actinomycetes on Ceratocystis fimbriata Caused Pomegranate Wilt and Taro Black Rot[J].Northern Horticulture,2015,39(01):117-119.[doi:10.11937/bfyy.201501032]
石榴枯萎病和芋头黑腐病甘薯长喙壳拮抗放线菌的筛选
- Title:
- Screening of Antagonistic Actinomycetes on Ceratocystis fimbriata Caused Pomegranate Wilt and Taro Black Rot
- Keywords:
- Keywords:Pomegranate Wilt; Taro Black Spot; Ceratocystis fimbriata ; antagonistic actinomycetes
- 文献标志码:
- A
- 摘要:
- 摘 要:以患石榴枯萎病植株的5份根际土壤为试材,采用梯度稀释涂布法分离到放线菌,继而利用对峙培养法筛选石榴枯萎病、芋头黑斑病病原甘薯长喙壳拮抗菌并测试其抗菌谱,以期为利用对环境友好的生防放线菌有效防治蒙自甘薯长喙壳病害奠定基础。结果表明:19株石榴根际土壤放线菌中的9株拮抗石榴枯萎病、芋头黑腐病病原甘薯长喙壳及小桐子果腐病Bgf-1,其中菌株DCAA-12具有高拮抗活性且生长速率较高,具备蒙自石榴、芋头甘薯长喙壳病害防治及其病壤修复的应用前景。
- Abstract:
- Abstract:Taking 5 samples of pomegranate rhizosphere soil as materials,and had separated isolate actinomycetes by gradient dilution coating method and screen antagonistic strains on the pathogen of Pomegranate Wilt,Taro Black Rot together with testing their angonistic spectrum by confrontation culture method,in order to lay foundation for effectively control the plant disease resulted by C.fimbriata in Mengzi county exploring eco-friendly soil actinomycetes.The results showed that 9 strains of 19 strains actinomycetes from pomegranate rhizosphere soil could inhibit the pathogens of Pomegranate Wilt;Taro Black Spot and Jatropha fruit rot,additional DCAA-12 with higher antagonistic activity and growth rate,which could be used to control the diseases of pomegranate and taro caused by C.fimbriata and reverse diseased soil.
参考文献/References:
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备注/Memo
第一作者简介:郭建伟(1979-),男,河南兰考人,博士,讲师,现主要从事植物病原菌的分离及其防治等研究工作。E-mail:gjwkf475301@163.com.责任作者:周银丽(1976-),女,云南祥云人,博士研究生,副教授,现主要从事植物线虫病害及植物病害复合侵染等研究工作。 E-mail: zyl_biology2@126.com.基金项目:云南省应用基础研究资助项目(2013FZ125);云南省教育厅科研基金资助项目(2012Y453);红河学院硕士点植物保护一级学科建设资助项目;红河学院2011年大学生科技创新基金资助项目(SZ1112)。