云南元江蔗田土壤放线菌多样性及对几种植物病原菌的抑菌活性

来源 :云南农业大学学报(自然科学) | 被引量 : 0次 | 上传用户:fuming
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
利用高氏I号培养基分离培养及菌株形态、生理生化鉴定和16S rDNA序列分析法研究了云南元江县甘蔗田土壤放线菌,并采用对峙生长法测定了各放线菌对小麦全蚀病病原菌(Gaeumannomyces graminisr)、小麦根腐病病原菌(Cochliobolus sativus)、烟草赤星病病原菌(Alternar iaalternata)和水稻稻瘟病病原菌(Magnaporthe oryzae)的抑菌活性。结果表明:元江甘蔗田土壤中共发现典型土壤放线菌29株,其中28株为链霉菌属(Streptomyces),
其他文献
The Vanda pumila is a monopodial orchid with beautiful flowers that are native to Thailand but now found across South Asia. The immature seeds of Vanda pumila w
The article is devoted to the economic and biological characteristics of promising desert semi-shrub halophytes (Kochia prostrate, Salsola orientalis, Ceratoide
研究了虚拟社区组织的知识传播复杂网络,分析了组织整体的知识传播状况。基于对5个虚拟组织的问卷调查数据,得到具有不同知识传播程度的复杂网络图,并计算了不同的虚拟社区组
Whether different field treatments such as straight cut, swathing, or pre-harvest aid application can influence the canola storage is the critical information f
暑期短学期实践教学模式是一种借助暑期的时间优势,以学生为主体、教师为主导、团队为核心的新兴教学模式,注重培养学生理论联系实践和科研创新思维的能力。文章深入探究预防
软硬酸碱原则是Pearson在六十年代中期根据大量实验事实总结出来的规则。由于这一原则可以解释大量配位化学的实验事实,所以它在许多领域中得到了广泛的应用。岩矿分析中的许
The large life cycle Rhaponticum integrifolium in natural populations (Qashqadaryo, Uzbekistan) was studied. Duration of before generative, generative and senil
Aloe vera, a short-stemmed shrub is described as a “wonder plant”, due to its vast uses in various medical products. Since many decades, extensive research ha
The article provides an analysis of the distribution of fourteen species belonging to seven sections of the genus Dracocephalum in the phytogeographical regions