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

doi:10.3724/SP.J.1143.2009.09094

Abstract

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

CLC Number:

Q 948

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

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