Abstract
Abstract Physiological and pathological disorders of lemons (Citrus limon (L.) Osbeck) are the main causes of quality losses during shelf life leading to high economic losses. This experiment studied the effect of innovative postharvest chemical treatments [Fortisol Ca (1%; FoCa), Fortisol CaPlus (1.5%; FoCaPlus), Philabuster (0.2%; PHI) and Ortocil (1%; ORT)], and their combinations, by immersion (30 s), to control decay, chilling injury and red blotch in lemon fruit. The influence of a preharvest application of Fortisol Ca (1%) over the trees was also studied. Lemons washed with tap water were used as control fruit (CTRL). Lemons were stored for 33 d at 7 °C, which simulated a long storage and transportation period, followed by 5 d at 22 °C of retail sale period, simulating then a prolonged shelf life. The PHI + ORT treatment completely avoided pathological disorders after both shelf life periods. FoCa and FoCaPlus reduced chilling injury and red blotch. The incidence of such physiological disorders was even highly reduced when combined FoCa and FoCaPlus with PHI + ORT treatments were used. In particular, the combination of PHI + ORT + FoCaPlus completely avoided the incidence of chilling injury and red blotch. In conclusion, a combined postharvest treatment of PHI + ORT with FoCa/FoCaPlus highly reduced, or even avoided, physiological disorders (chilling injury and red blotch), minimizing mass losses, in lemon fruit during long storage and transportation, and retail sale periods extending its shelf life.
Published Version
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