STUDIES ON EXTENDING THE SHELF LIFE OF FIG(Ficus carica L.) FRUITS CVS. POONA FIG AND DINKAR

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Date
2004-11-29
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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. Poona (Fig and Dinkar," with six treatments and two storage conditions was conducted with three replications in Factorial Completely Randomized Design. The preharvest sprays (0.5 %, 1.0 % and control) were undertaken 10 and 20 days before harvesting fruits of fig cvs. Poona Fig and Dinkar. The fruits were then harvested, graded, packed in corrugated fibre board boxes and stored under two environments viz., at room temperature (15.10 to 41.3°C and 49.00-71.00 % RH) and in cool store (5°C and 90-95 % RH). It was found that there was an increase in TSS, reducing sugars and total sugars with corresponding decrease in acidity of fig cvs. Poona Fig and Dinkar fruits under both the storage conditions irrespective of preharvest treatments. The physiological loss in weight of fruits of both these varieties increased in all the treatments under both the storage conditions. Fruits stored in cool store followed 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 the varieties irrespective of the storage conditions. However, the treatment (T3) 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 of both the varieties viz., Poona Fig and Dinkar could be stored up to 4 days at room temperature when these were given spray of CaCl2 (1.0 %) 10 days before harvesting. The shelf life of untreated fruits of both these varieties was hardly 5 days in CS. However, it could be further extended up to 8 days when given spray of CaC12 (1.0 %) 10 days before harvesting and stored in CS.
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