THE EFFECT OF WATER STRESS ON PHOSPHATIDYLCHOLINE COMPOSITION IN DURUM WHEAT LEAVES
Journal Title: International journal of ecosystems and ecology science (IJEES) - Year 2019, Vol 9, Issue 4
Abstract
Two durum wheat (Triticum durum Desf) cultivars, Oued-Zenati 368 (OZ) and Kebir (K), differently sensitive to drought are cultivated under controlled conditions. The PEG is used at the 21st day of the plantation in order to obtain a moderate level of water stress (S). At the 28th day, the relative water content (RWC) and the leaf phosphatidylcholine (PC) composition were studied in the controlled and stressed plants. The water stress provokes a reduction of RWC in the two cultivars, and the amount of PC increase in OZ and decrease in K. We also examined the composition of fatty acids for this phospholipid, and the changes provoked in the degree of unsaturation (DoU) by the water stress. Our results confirm the settled hypothesis: that we could exploit phosphatidylcholine as biological marker for the screening of the plant genotypes resistant to the drought.
Authors and Affiliations
BOUHOUHOU Mouloud1, BENSARI Mourad2
Keywords
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- EP ID EP670373
- DOI 10.31407/ijees9414
- Views 127
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