|Table of Contents|

Variation in Jatropha curcas L. Seeds with Different Oil Contents in Dry-hot Valley of the Jinsha River(PDF)

Chinese Journal of Applied & Environmental Biology[ISSN:1006-687X/CN:51-1482/Q]

Issue:
2011 05
Page:
656-661
Research Field:
Articles
Publishing date:

Info

Title:
Variation in Jatropha curcas L. Seeds with Different Oil Contents in Dry-hot Valley of the Jinsha River
Author(s):
YAN BingyiYE ShengliangYAN AnxinXU YingCHEN Fang
(College of Life Sciences, Sichuan University, Chengdu 610064, China)
Keywords:
Jatropha curcas L. seed oil content fatty acid composition germination correlation dry-hot valley of the Jinsha river
CLC:
Q946.47 : Q949.753.504
PACS:
DOI:
10.3724/SP.J.1145.2011.00656
DocumentCode:

Abstract:
The morphological characteristics of Jatropha curcas L. seeds from the dry-hot valley of the Jinsha River were analyzed. The seeds were divided into group Ⅰ (26%~30%), group Ⅱ (30%~34%), group Ⅲ (34%~38%) and group Ⅳ (38%~42%) according to their oil contents. The size of seeds ranged from 1.544 to 1.680 cm3. The seeds of group Ⅱ had the largest value for seed size (1.680 cm3) and 100-seed weight (69.367 g), and the lowest being for seeds of group Ⅳ (1.544 cm3) and group Ⅲ (62.313 g). The shelling percentage increased from group Ⅰ (61.752%) to group Ⅳ (65.192%). No significant difference in the composition of fatty acids was observed in the hexane extracts of the seeds of the groups Ⅰ~Ⅳ by using 1H-NMR spectroscopy, while the percentage of fatty acids was significantly different in the groups Ⅰ~Ⅳ. The seed germination energy, germination rate and germination index increased with the increasing oil content, however, seed imbibition rate decreased with the increasing oil content. The results indicated that seed oil content had significant correlation with seed weight, kernel ratio of seeds, seed oil production, percentage of fatty acids, germination energy, germination rate, germination index and seed imbibition rate, but it had no correlation with seed size. Fig 3, Tab 4, Ref 30

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Last Update: 2011-10-25