Development of rice conidiation media for Ustilaginoidea virens
作者单位：Department of Plant PathologyCollege of Plant Science and Technology and the Key Lab of Crop Disease Monitoring and Safety Control in Hubei ProvinceHuazhong Agricultural University
会议名称：《中国植物病理学会2019年学术年会》
会议日期：2019年
学科分类：09[农学] 0904[农学-植物保护] 090401[农学-植物病理学] 090402[农学-农业昆虫与害虫防治]
基 金：supported by the National Key Research and Development Program of China(2016YFD0300700) the Fundamental Research Funds for the Central Universities(2662017JC003) the National Natural Science Foundation of China(No.31701736)
关 键 词：Rice false smut Ustilaginoidea virens Conidiation media Rice tissues Pathogenicity
摘 要：Rice false smut,caused by the ascomycete Ustilaginoidea virens,is a serious disease of rice *** are very important infectious propagules of ***,but the ability of pathogenic isolates to produce conidia frequently decreases in culture,which impacts pathogenicity ***,we developed tissue media amended with rice leaves or panicles that stimulate conidiation by ***,rice leaf media more effectively increased conidiation than rice panicle media,and certain non-filtered tissue media were better than their filtered *** the tested media,the Indica rice leaf medium with 0.06 g/mL of Wanxian 98 leaves was most efficient at inducing conidiation by ***,and it was able to induce conidiation in conidiation-defective *** the conidia induced in rice tissue media were smaller,they were able to germinate on potato sucrose agar medium and infect rice *** method provides a foundation for the production of conidia by *** that will be widely applicable in its pathogenicity testing as well as in genetic analyses for false smut resistance in rice cultivars.