Tebuconazole Regulates Fatty Acid Composition of Etiolated Winter Wheat Seedlings
2016
Korsukova A.V. | Gornostai T.G. | Grabelnych O.I. | Dorofeev N.V. | Pobezhimova T.P. | Sokolova N.A. | Dudareva L.V. | Voinikov V.K.
The fatty acid composition of shoots of unhardened and hardened to cold etiolated winter wheat seedlings grown from seeds treated with tebuconazole-based protectant «Bunker» (content of tebuconazole 60 grams per liter, g/L), and the seedlings frost resistance has been studied. It is shown that treatment of winter wheat seeds by «Bunker» preparation (1,5 microliter per gram of seeds, µl/g) is accompanied by an increase of the fatty acids unsaturation in the shoots and increase of the seedlings frost resistance (–8°C, 24 h). The most pronounced decrease in the content of saturated palmitic acid and increase in the content of unsaturated α-linolenic acid were observed during cold hardening of winter wheat seedlings grown from seeds treated by tebuconazole-based protectant.It is concluded that the seeds treatment with tebuconazole-based protectant causes changes of fatty acid composition of winter wheat seedlings to increase their frost resistance.
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تم تزويد هذا السجل من قبل Siberian Institute of Plant Physiology & Biochemistry