Lipids in Alfalfa Leaves in Relation to Cold Hardiness | Zendy

P. J. C. Kuiper | Zendy

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Lipids in Alfalfa Leaves in Relation to Cold Hardiness

Author(s) -

P. J. C. Kuiper

Publication year - 1970

Publication title -

plant physiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.554

H-Index - 312

eISSN - 1532-2548

pISSN - 0032-0889

DOI - 10.1104/pp.45.6.684

Subject(s) - diglyceride , phosphatidyl choline , glycerol , composition (language) , chemistry , ethanolamine , inositol , biochemistry , fatty acid , glyceride , food science , botany , biology , phospholipid , membrane , linguistics , philosophy , receptor

The lipid composition of the leaves of hardy Vernal and cold-sensitive Caliverde alfalfa plants, grown at different temperatures, was determined. Phosphatidyl glycerol, phosphatidyl inositol, and the sulfolipid content were directly related to growth temperature. Mono- and digalactose diglyceride and phosphatidyl choline and ethanolamine were inversely related to temperature. At corresponding growth temperatures Vernal plants showed higher percentages of mono- and digalactose diglyceride and phosphatidyl choline and ethanolamine than Caliverde plants, while the opposite was true for phosphatidyl glycerol and inositol and sulfolipid. Differences in fatty acid composition of corresponding leaf lipid fractions of plants grown at different temperatures or differences in fatty acid composition between lipid fractions of plants of different varieties in general were negligible.

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