Drought stress induces changes in the non-structural carbohydrate composition of wheat stems
1991
Virgona, J.M. | Barlow, E.W.R. (Macquarie Univ., North Ryde (Australia). School of Biological Sciences)
In glasshouse experiments, the non-structural carbohydrate (NSC) composition of subdivided stems of well-watered and drought stressed wheat was determined during grain filling. The NSC content of the unsheathed portion of the peduncle and the pulvinus increased threefold under drought, and the water-soluble carbohydrate: ethanol-soluble carbohydrate ratio was lower than the rest of the stem, but still declined noticeably. Turgor was fully maintained in the penultimate internode and in the pulvinus of droughted plants.
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