西南农业学报
西南農業學報
서남농업학보
SOUTHWEST CHINA JOURNAL OF AGRICULTURAL SCIENCES
2009年
6期
1501-1504
,共4页
奎丽梅%卢义宣%苏艳%曹永生%刘晓利%王丽萍%陈晓艳%杨忠义
奎麗梅%盧義宣%囌豔%曹永生%劉曉利%王麗萍%陳曉豔%楊忠義
규려매%로의선%소염%조영생%류효리%왕려평%진효염%양충의
稻白叶枯病抗性%资源%多样性%生态地理分布
稻白葉枯病抗性%資源%多樣性%生態地理分佈
도백협고병항성%자원%다양성%생태지리분포
Rice bacterial leaf blight resistance%Germplasm%Diversity%Geographical distribution
采用GIS、BioDiversity等技术分析了4062份云南地方稻种资源白叶枯病抗性多样性在云南不同气候类型和各类稻区的表现.结果表明,稻白叶枯病抗性与气候环境因素呈显著相关.稻白叶枯病抗性多样性从南亚热带→北亚热带→中亚热带→北热带→南温带→中温带逐渐减小,反之增大;随海拔的升高、温度的降低而减少,反之增大.亚热带是稻白叶枯病抗性多样性富集气候带.单双季籼稻区和水陆稻区的稻白叶枯病多样性高于其他稻作区,稻作复杂地区稻白叶枯病抗性多样性较高.发掘了198份值得研究利用的优异的稻白叶枯病抗性资源.
採用GIS、BioDiversity等技術分析瞭4062份雲南地方稻種資源白葉枯病抗性多樣性在雲南不同氣候類型和各類稻區的錶現.結果錶明,稻白葉枯病抗性與氣候環境因素呈顯著相關.稻白葉枯病抗性多樣性從南亞熱帶→北亞熱帶→中亞熱帶→北熱帶→南溫帶→中溫帶逐漸減小,反之增大;隨海拔的升高、溫度的降低而減少,反之增大.亞熱帶是稻白葉枯病抗性多樣性富集氣候帶.單雙季秈稻區和水陸稻區的稻白葉枯病多樣性高于其他稻作區,稻作複雜地區稻白葉枯病抗性多樣性較高.髮掘瞭198份值得研究利用的優異的稻白葉枯病抗性資源.
채용GIS、BioDiversity등기술분석료4062빈운남지방도충자원백협고병항성다양성재운남불동기후류형화각류도구적표현.결과표명,도백협고병항성여기후배경인소정현저상관.도백협고병항성다양성종남아열대→북아열대→중아열대→북열대→남온대→중온대축점감소,반지증대;수해발적승고、온도적강저이감소,반지증대.아열대시도백협고병항성다양성부집기후대.단쌍계선도구화수륙도구적도백협고병다양성고우기타도작구,도작복잡지구도백협고병항성다양성교고.발굴료198빈치득연구이용적우이적도백협고병항성자원.
4062 accessions of Yunnan local rice varieties were analyzed with the technique GIS and Biodiversity, based on the copious climatic types and rice regions of Yunnan. It was indicated that climatic types and rice regions were significantly correlated with rice bacterial leaf blight resistance.The diversity of rice bacterial leaf blight resistance decreased from the south subtropics,north subtropics, medium subtropics,north tropic,south temperate zone to medium temperate zone, and increased in the other way round. The diversity decreased with the increasing of altitude and the reduction of temperature. The diversity of rice bacterial leaf blight resistance were mainly concentrated in the subtropical zone.There are abundant diversities in single or double cropping Indica rice zone and upland or lowland rice zone.198 varieties had been identified as elite resistance germplasm which were resistant to rice bacterial blight resistance.