Sucrose metabolism in spring and winter wheat in response to high irradiance, cold stress and cold acclimation
作者： Leonid V. Savitch , Tracy Harney , Norman P. A. Huner
DOI: 10.1034/J.1399-3054.2000.108003270.X
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摘要: higher light and CO2-saturated rates of CO2 assimilation than suggest that the differential adjustment non-acclimated controls. In leaves, during either cold stress, acclimation or to high irradiance, su- upon in Monopol crose:starch ratio increased by 5- 10-fold neutral winter wheat, as compared with Katepwa spring is invertase activity 2- 2.5-fold both associated capacity for sucrose wheat. contrast, but utilisation through biosynthesis fructans leaves not exhibited a 3-fold increase leaf subsequent export crowns. differensucrose phosphate synthase (SPS) activity, 4-fold tial appears be associsucrose:sucrose fructosyl transferase 6.6-fold ated fructan starch accumulation acid acclimation. Although cold-stressed light-grown
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