|Author:||Gelly, M. ; Arbones, A. ; Rufat, J. ; Marsal, J. ; Recasens, I. ; Girona, J. ; Mata, M.|
|Book Group Author:||NA|
Effects of regulated deficit irrigation (RDI) on the quality of a mid-late maturing peach (Prunus persica L Batsch cv Andross) were determined at commercial harvest as well as 1 week before (early pick-up) and after 1 week of cold storage. Respiration and ethylene evolution were measured during 96 h on fruits sampled at early pick-up and at harvest. Fruits from a well-watered irrigation treatment (Control) were compared with a treatment of RDI during stage II of fruit growth (RDI-SII) and with RDI applied postharvest (RDI-PH). A fourth treatment received a combination of deficit irrigation applied during stage II and postharvest (RDI-SII-PH). Higher soluble solids content (SSC) amd SSC/titratable acidity (TA) ratio for RDI-SII were already noted at early pick-up and these differences were enhanced after cold storage (RDI fruits having higher SSC, lower TA and higher SSC/TA ratio than Control fruits). This improvement in quality (high SSC/TA ratio) was also correlated with a more reddish colouration in the fruit skin. Moreover, ethylene production indicated different behaviour of the physiological evolution for fruits from the different treatments.
|Pages:||561 - 568|
|Journal:||Journal of the science of food and agriculture|
postharvest physiology, storage quality, fruit quality,ethylene production, soluble solids, titratable acidity, cellrespiration, fruit crops, peaches, Prunus persica, deficit irrigation,ripening, harvesting, irrigation scheduling