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Preliminary studies on the use of growth regulators for hastening or delaying of maturation rate of apples.

Krishnaprakash, M. S. and Aravinda Prasad, B. and Dhanaraj, S. and Ananthakrishna, S. M. and Krishnaprasad, C. A. and Narasimham, P. (1985) Preliminary studies on the use of growth regulators for hastening or delaying of maturation rate of apples. Indian Food Industry, 4 (4). pp. 150-154.

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Abstract

Early or late harvesting of apples to extend the period of availability and to regulate the market supply is a regular practice with growers in order to get better prices. However, this is not done on a scientific basis and hence in the early harvested apples the storage and sensory quality is affected, while in the late harvested apples there is considerable loss due to excessive preharvest drops as well as deterioration in the storage quality. A study was carried out using growth regulators- alpha-Naphthalene acetic acid (at 100 ppm), Gibberellic acid (at 25 ppm) and Alar (at TODD ppm) alone as well as Alar in combination with each one of the other two in order to regulate the maturation rate of apples. The data on maturation pattern of apples revealed that preharvest application around 110±10 days of Alar in combination with GA delays attainment of optimum harvest maturity of apples, while alpha-NAA alone or in combination with Alar can hasten the maturation rate of apples. The data on sensory evaluation of apples confirmed the hastening effect of alpha-NAA alone or in combination with Alar.

Item Type: Article
Uncontrolled Keywords: growth regulators, apples, Alar, maturation
Subjects: 500 Natural Sciences and Mathematics > 10 Plants > 04 Plant Physiology
600 Technology > 08 Food technology > 24 Fruits > 01 Apple
Divisions: Fruit and Vegetable Technology
Depositing User: Food Sci. & Technol. Information Services
Date Deposited: 23 Jun 2016 06:05
Last Modified: 23 Jun 2016 06:05
URI: http://ir.cftri.com/id/eprint/4928

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