Cork Spot (Pit) of ‘Anjou’ Pear Related to Calcium Concentration in Fruit1
Open Access
- 1 October 1970
- journal article
- Published by American Society for Horticultural Science in HortScience
- Vol. 5 (5) , 447
- https://doi.org/10.21273/hortsci.5.5.447
Abstract
Normal fruits of ‘Anjou’ pear and fruits with cork spot (pit) symptoms collected at harvest time from trees of various ages, were peeled, cored, and halved and the calyx ends analyzed for mineral nutrient concentration. Pitted fruits were significantly lower in Ca concentration, but there were no differences in Mg, K, Zn, Fe, Mn or Cu. Pitted fruits had a mean of 219 ppm Ca (dry-weight basis) with a range from 187 to 255 ppm. Normal fruits had a mean of 319 ppm with a range of 244 to 453 ppm.Keywords
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