ISHS Acta Horticulturae 734: VIII International Symposium on Plum and Prune Genetics, Breeding and Pomology
DIFFERENT STRATEGIES FOR FOLIAR APPLICATIONS OF CALCIUM IN PLUMS (PRUNUS DOMESTICA L.) |
| Authors: | E. Vangdal, S. Flatland, R. Nordbø, J. Børve |
| Keywords: | fruit quality, soluble solids, titratable acidity, firmness, decay, storage |
| Abstract:
The effects of foliar calcium applications on fruit quality and postharvest decay of plums have been studied. Foliar applications of calcium had no significant effects on fruit quality in plums. However, calcium applications tended to delay ripening as registered in 4 of 5 fruit quality parameters. Calcium application reduced decay during storage of plums. No significant differences were found between the different strategies for foliar application of calcium tested in these experiments. In one year, the applications early in the season proved to reduce decay more than applications late in the season. In these experiments, the fungicide sprayed fruits tended to have the lowest decay. However, the difference between calcium applications and fungicide sprays to reduce decay due to fruit rots was only significant in one experiment. | |
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