ISHS Acta Horticulturae 227: International Symposium on Vegetative Propagation of Woody Species
WATER RELATIONS AND SOME ORGANIC COMPOUNDS IN CHERRY LEAVES OF GRAFTINGS WITH DELAYED INCOMPATIBILITY |
| Authors: | P.P.S. Schmid, E.R. Schmitt, W. Zorn |
| Abstract:
Leaves of grafting combinations of Prunus avium 'Sam' on Prunus cerasus with symptoms of delayed incompatibility showed less negative leaf water potentials during daytime, lower transpiration rates, a closure of stomata in times of high photosynthetic active radiation and higher contents of carbohydrates, catechins and proanthocyanidins, in spite of a lower chlorophyll content. The results indicate a premature senescence of the leaves, probably caused by changes in the hormonal balance. | |
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