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Type: Journal article
Title: Effects of temperature and gibberellic acid on phospholipid composition of Avena sativa stem segments
Author: Jusaitis, M.
Paleg, L.
Aspinall, D.
Citation: Phytochemistry: the international journal of plant chemistry, plant biochemistry and molecular biology, 1981; 20(7):1529-1538
Publisher: Pergamon Press
Issue Date: 1981
ISSN: 0031-9422
Statement of
Manfred Jusaitis, Leslie G. Paleg, Donald Aspinall
Abstract: Stem segments taken from Avena sativa plants grown at 10°, 20° or 30° varied in their phospholipid composition depending on the growth temperature; as temperature was lowered, there was a shift towards a greater proportion of unsaturated fatty acids. A significant increase was observed in the concentration of linolenic acid (18:3) as growth temperature was lowered. Although prolonged treatment of oat plants with GA3 produced marked changes in phospholipid composition of stem segments, these changes did not always accompany the GA3-induced growth response of segments. Treatment of stem segments with GA3 for only 20 hr produced a significant growth response with little or no effect on phospholipid composition over this time. The data support the hypothesis that GA3-induced growth in Avena stem segments can occur without a concomitant change in phospholipid composition.
Keywords: Avena sativa
stem segments
fatty acids
gibberellic acid.
Rights: © 1981 Pergamon Press Ltd.
DOI: 10.1016/S0031-9422(00)98525-X
Appears in Collections:Aurora harvest 4
Earth and Environmental Sciences publications

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