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Effect of seed weight on seed vigour and early seedling growth of Jatropha curcas, a biodiesel plant
Year:
2010
Source of publication :
Seed Science and Technology
Authors :
Ghanim, Miriam
;
.
Vaknin, Yiftach
;
.
Zaidman, Ben-Zion
;
.
Volume :
38
Co-Authors:

Zaidman, B.-Z., Department of Agronomy and Natural Resources, Institute of Plant Sciences, Agricultural Research Organization, Volcani Center, P.O. Box 6, Bet Dagan 50250, Israel
Ghanim, M., Department of Agronomy and Natural Resources, Institute of Plant Sciences, Agricultural Research Organization, Volcani Center, P.O. Box 6, Bet Dagan 50250, Israel
Vaknin, Y., Department of Agronomy and Natural Resources, Institute of Plant Sciences, Agricultural Research Organization, Volcani Center, P.O. Box 6, Bet Dagan 50250, Israel

Facilitators :
From page:
757
To page:
766
(
Total pages:
10
)
Abstract:
The effect of seed weight on germination and seedling growth was investigated in Jatropha curcas, a tree-borne oilseed species, currently developed worldwide as a feedstock for biodiesel production. Seed weight was highly variable, from 0.28 to 0.81 g. Seed germination rate was significantly affected by seed weight: 46.2, 79.3, 84.5, and 95.3% for seeds in weight ranges, ≤ 0.39, 0.4-0.49, 0.5-0.59, and ≥ 0.6 g, respectively. Seedling shootlength and dry matter yield were significantly affected by seed weight. Seedlings grown from the heaviest seeds were 51% taller and 91% heavier than those from the lightest ones. Indirect analyses of seed vigour indicated a significant linear relationship between results of tetrazolium reduction and electrical conductivity assays and seed weight: as seed weight increased, tetrazolium reduction increased, and electrical conductivity decreased. Our results suggest that improved seed and seedling quality, as associated with greater seed weight, is attributed to better membrane integrity and increased availability of energy in the endosperm. Tetrazolium reduction and electrical conductivity assays were proven to be efficient methods to estimate J. curcas seed vigour and seedling performance and thereby to promote planting of higher quality transplants in the field.
Note:
Related Files :
Jatropha
Jatropha curcas
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More details
DOI :
Article number:
0
Affiliations:
Database:
Scopus
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
29872
Last updated date:
02/03/2022 17:27
Creation date:
17/04/2018 00:50
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Scientific Publication
Effect of seed weight on seed vigour and early seedling growth of Jatropha curcas, a biodiesel plant
38

Zaidman, B.-Z., Department of Agronomy and Natural Resources, Institute of Plant Sciences, Agricultural Research Organization, Volcani Center, P.O. Box 6, Bet Dagan 50250, Israel
Ghanim, M., Department of Agronomy and Natural Resources, Institute of Plant Sciences, Agricultural Research Organization, Volcani Center, P.O. Box 6, Bet Dagan 50250, Israel
Vaknin, Y., Department of Agronomy and Natural Resources, Institute of Plant Sciences, Agricultural Research Organization, Volcani Center, P.O. Box 6, Bet Dagan 50250, Israel

Effect of seed weight on seed vigour and early seedling growth of Jatropha curcas, a biodiesel plant
The effect of seed weight on germination and seedling growth was investigated in Jatropha curcas, a tree-borne oilseed species, currently developed worldwide as a feedstock for biodiesel production. Seed weight was highly variable, from 0.28 to 0.81 g. Seed germination rate was significantly affected by seed weight: 46.2, 79.3, 84.5, and 95.3% for seeds in weight ranges, ≤ 0.39, 0.4-0.49, 0.5-0.59, and ≥ 0.6 g, respectively. Seedling shootlength and dry matter yield were significantly affected by seed weight. Seedlings grown from the heaviest seeds were 51% taller and 91% heavier than those from the lightest ones. Indirect analyses of seed vigour indicated a significant linear relationship between results of tetrazolium reduction and electrical conductivity assays and seed weight: as seed weight increased, tetrazolium reduction increased, and electrical conductivity decreased. Our results suggest that improved seed and seedling quality, as associated with greater seed weight, is attributed to better membrane integrity and increased availability of energy in the endosperm. Tetrazolium reduction and electrical conductivity assays were proven to be efficient methods to estimate J. curcas seed vigour and seedling performance and thereby to promote planting of higher quality transplants in the field.
Scientific Publication
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