云南小桐子资源调查与评价

doi:10.3724/SP.J.1143.2009.09094

Plant Diversity ›› 2009, Vol. 31 ›› Issue (05): 455-460.DOI: 10.3724/SP.J.1143.2009.09094

云南小桐子资源调查与评价

王曦, 龙春林

中国科学院昆明植物研究所, 云南昆明 650204

收稿日期:2009-05-12 出版日期:2009-10-25 发布日期:2009-10-25
通讯作者: 龙春林

Investigation and Evaluation of Jatropha curcas (Euphorbiaceae) Resource in Yunnan Province

WANG Xi , LONG Chun-Lin

Kunming Institute of Botany , Chinese Academy of Sciences, Kunming 650204 , China

Received:2009-05-12 Online:2009-10-25 Published:2009-10-25
Contact: LONG Chun-Lin

摘要/Abstract

摘要： 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。

关键词: 小桐子, 千粒重, 含油率, 环境因子

Abstract: The resources, distribution , relevant environmental factors and seed traits of Jatropha curcas (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. curcas. 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. curcas
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 .

Key words: Jatropha curcas

中图分类号:

Q 948

王曦, 龙春林 . 云南小桐子资源调查与评价[J]. Plant Diversity, 2009, 31(05): 455-460.

WANG Xi , LONG Chun-Lin. Investigation and Evaluation of Jatropha curcas (Euphorbiaceae) Resource in Yunnan Province[J]. Plant Diversity, 2009, 31(05): 455-460.

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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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