ISHS Acta Horticulturae 341: IV International Mango Symposium
PREHARVEST CONDITIONS AND POSTHARVEST TREATMENTS AFFECTING THE INCIDENCE OF DECAY IN MANGO FRUITS DURING STORAGE |
| Authors: | D. Prusky, I. Kobiler, G. Zauberman, Y. Fuchs |
| Abstract:
The quiescent infected area (QIA) by Alternaria alternata, cause of black spot, on mango fruit at harvest was closely related to the number of hours with RH ≥80% during a 52-day-period of fruit development. At least 350 h of RH ≥80% over 320 increased. A map of average daily maximum RH during fruit growth can be used as a basis for predicting the incidence of black spot in Israel. The presence of the preformed, antifungal, 5-substituted resorcinols in fruit peel was reported in the past to affect the quiescent infection by Alternaria alternata. Treatments with 35% CO2 for 24 hours at 20°C enhanced the level of antifungal compounds and delayed decay development. | |
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