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Plant Physiology 81:268-272 (1986)
© 1986 American Society of Plant Biologists

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Articles

The Effect of Dormancy on Glucose Uptake in Gladiolus Cormels 1,2

Chen Ginzburg and David Ben-Gad

Department of Ornamental Horticulture, Agricultural Research Organization, The Volcani Center, Bet Dagan, Israel

The uptake of glucose and of 3-O-methyl-D-glucose by cormel slices of Gladiolus X gandavensis Van Houtte was studied in relation to cormel dormancy. Uptake was higher in nondormant cormels. Incubation of nondormant cormels with abscisic acid (ABA) reduced their uptake capacity. Treatment of dormant cormels with 6-benzyladenine (BA) did not affect their uptake rate. ABA and BA promoted O2 uptake, indicating that differences in uptake are not related to differences in energy supply.

1 Contribution from the Agricultural Research Organization, The Volcani Center, Bet Dagan, Israel, No. 1501-E, 1985 series.

2 Supported by the United States-Israel Binational Agricultural Research and Development (BARD) Fund, grant I-196-80.






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Copyright © 1986 by the American Society of Plant Biologists