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云南小桐子资源调查与评价
Investigation and Evaluation of Jatropha curcas (Euphorbiaceae) Resource in Yunnan Province

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王曦   龙春林 *  
文摘 对云南省小桐子(Jatropha curcas)资源分布、环境因子和种子相关性状展开了调查和分析,结果表明:所测居群的种子平均千粒重、出仁率、种仁含油率和种子含油率分别为567.9克、56.67%、61.78%和35.13%.居群间种子千粒重、出仁率、种仁含油率、种子含油率都有极显著的差异,丽江A、红河D、丽江C、丽江B和玉溪A等4个居群有较高开发利用价值.温度是影响云南省小桐子地理分布的主要限制因子,分布区的海拔高度和年均温有强负相关性.云南省最适合种植小桐子的地区是金沙江和元江流域的干热河谷地区,其次是临沧、保山、普洱、西双版纳等地的高温低海拔地区.本研究对云南省小桐子的研究和产业发展提出了建议.
其他语种文摘 The resources, distribution, relevant environmental factors and seed traits of Jatropha cwcas (Euphorbiaceae) occurring in Yunnan Province were investigated and studied in the present paper. The results showed that the average thousand-seed weight, kernel percentage, kernel oil percentage and seed oil percentage are 567.9 g, 56.671%, 61.781% and 35.133% , respectively. There are very significant differences in thousand-seed weight, kernel percentage, kernel oil percentage and seed oil percentage among populations. The populations marked as lijiang A, Honghe D, Lijiang B, and Yuxi A are evaluated as the most potential ones for future development. Temperature is the most significant limitation factors on distribution of J. Cwcas. There is a remarkable negative correlation between altitude and mean annual temperature of the distribution areas. The dry-hot valleys in Jinshajiang River and Yuanjiang River are the most suitable areas for J. C-urcas plantation, and followed by the hot and low elevation areas in Lincang, Baoshan, Puer and Xishuangbanna prefectures. Suggestions were proposed for further studies and development in Yunnan Province.
来源 云南植物研究 ,2009,31(5):455-460 【核心库】
关键词 小桐子 ; 千粒重 ; 含油率 ; 环境因子
地址

中国科学院昆明植物研究所, 云南, 昆明, 650204

语种 中文
文献类型 研究性论文
ISSN 0253-2700
学科 植物学
基金 国家科技基础性工作专项重点项目 ;  国家自然科技资源共享平台项目 ;  中国科学院知识创新工程项目
文献收藏号 CSCD:3718950

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