Ecology, Environment and Conservation Paper

Vol. 22, April Suppl. Issue 2016; Page No.(181-186)

EFFECT OF PUTRESCINE ON THE BIOCHEMICAL QUALITY ATTRIBUTES OF MANGO (MANGIFERA INDICA L.) CV. KESAR

Chaudhri Gavri, T.R. Ahlawat, S.N. Saravaiya, Bhamini Parekh and R.J. Patel

Abstract

An experiment was conducted at Navsari Agricultural University, Navsari during the year 2013-2014 to study the effect of putrescine on biochemical quality attributes of mango cv. Kesar. Three different levels of putrescine (1, 2 and 3mM) were applied as preharvest spray (10 days before harvesting), postharvest dip (5-6 min) and preharvest spray + postharvest dip treatments to mango trees. Treated fruits were stored at a temperature of 11±1°C and 90-95% RH and analyzed from the day of harvesting till the 15th day of storage at an interval of 5 days. The methods of application and levels of putrescine had a significant impact on all parameters included in the study except ascorbic acid content. On the 15th day of storage, the highest TSS, reducing sugar and total carotenoids was recorded in fruits subjected to preharvest spray + postharvest dip treatment. The highest total sugars and the lowest titrable acidity were observed in postharvest dip treatment. Application of putrescine at 2mM resulted in the maximum TSS, reducing sugar and total carotenoids and the lowest titrable acidity. The highest total sugars were recorded in the treatment involving putrescine 1mM.

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