Increase in Linolenic Acid Is Not a Prerequisite for Development of Freezing Tolerance in Wheat | Zendy

A. I. de la Roche | Zendy

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Increase in Linolenic Acid Is Not a Prerequisite for Development of Freezing Tolerance in Wheat

Author(s) -

A. I. de la Roche

Publication year - 1979

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.63.1.5

Subject(s) - linolenic acid , freezing tolerance , alpha linolenic acid , chemistry , winter wheat , botany , cold tolerance , alpha (finance) , acclimatization , food science , horticulture , biology , biochemistry , agronomy , fatty acid , linoleic acid , polyunsaturated fatty acid , gene , medicine , docosahexaenoic acid , construct validity , nursing , patient satisfaction

Seedlings of winter wheat (Triticum aestivum L. cv. Kharkov) were acclimated at 2 C in the dark in the presence of two inhibitors of linolenic acid synthesis, 4-chloro-5(dimethylamino)-2-phenyl-3(2H)pyridazinone-(BASF 13-338) and 4-chloro-5(dimethylamino)-2-(alpha,alpha,alpha-trifluoro-m-tolyl)- 3(2H)pyridazinone (Sandoz 6706). Although the increase in the proportion of linolenic acid generally observed at low temperature was completely inhibited, the development of freezing tolerance was unaffected. These results demonstrated that an enrichment in linolenic acid is not a prerequisite for low temperature acclimation.

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