Potential of carboxymethyl cellulose and γ-irradiation to maintain quality and control disease of peach fruit
2016
Hussain, Peerzada R. | Suradkar, Prashant P. | Wani, Ali M. | Dar, Mohd A.
Carboxymethyl cellulose (CMC) coatings alone and in combination with gamma irradiation were tested for maintaining the storage quality and control of post-harvest gray and black mold disease of peach. Matured green peaches were CMC coated at levels 0.5–1.0% (w/v) and gamma irradiated at 1.2kGy. The treated fruit including control was stored under ambient (temperature 25±2°C, RH 70%) and refrigerated (temperature 3±1°C, RH 80%) conditions. In fruits treated with individual treatments of 1.0% (w/v) CMC; 1.2kGy irradiation and combination of 1.0% (w/v) CMC and 1.2kGy irradiation, no decay was recorded up to 6, 8 and 14 days of ambient storage. Irradiation alone at 1.2kGy prevented the onset of disease incidence up to 4 days compared to 2 days by 1.0% (w/v) CMC coating following 30 days of refrigeration. Combination of CMC at 1.0% (w/v) and 1.2kGy irradiation prevented disease incidence of peach up to 7 days during post-refrigerated storage at 25±2°C, RH 70% following 30 days of refrigeration. Above combinatory treatment can be of great potential in facilitating the marketing of the fruit, thereby benefiting the growers.
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