STUDIES ON EXTENDING THE SHELF LIFE OF FIG (Ficus carica L.) FRUITS CVS. DEANNA AND CONADRIA
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Date
2004-06-30
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MAHATMA PHULE KRISHI VIDYAPEETH, RAHURI-413 722, DIST. AHMEDNAGAR MAHARASHTRA STATE (INDIA)
Abstract
The present investigation entitled, "Studies on extending the shelf life of fig {Ficus carica L.) fruits cvs. Deanna and Conadria." with six treatments and two storage conditions was conducted with three replications in FactorialCompletely Randomized Design.The preharvest sprays (0.5 %, 1.0 % and control) were undertaken 10and 20 days before harvesting fruits of fig cvs. Deanna and Conadria. Thefruits were then harvested, graded, packed in corrugated fibre board boxes andstored under two environments viz., at room temperature (11.10 to 39.60°C and52.00-72.00 % RH) and in cool store (5°C and 90-95 % RH). It was found thatthere was an increase in TSS, reducing sugars and total sugars withcorresponding decrease in acidity of fig cvs. Deanna and Conadria fruits underboth the storage conditions irrespective of preharvest treatments. The physiological loss in weight of fruits of both these varieties increased in all thetreatments under both the storage conditions. Fruits stored in cool storefollowed the same trend of physico-chemical changes but at a slower rate It was clear from the data on organoleptic analysis that there was a decrease in the score with the advancement of storage period in both thevaijjieties irrespective of the storage conditions. However, the treatment (TO rated the highest score and retained the highest marketability even at the end of storage period. The shelf life of control fig fruits was found to be hardly 2 days at room temperature irrespective of varieties. However, the fig fruits ofboth the varieties could be stored upto 4 days at room temperature when these were given spray of CaCl2 (1.0 %) 10 days before harvesting. The shelf life ofuntreated fruits of both these varieties was hardly 5 days in CS. However, it could be further extended upto 8 days when given spray of CaCl2 (1.0 %) 10days before harvesting and stored in CS.