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Research Article Open access CC BY 4.0

Effect of Plant Growth Regulators on Fruit Yield and Fruit Quality of Mango (Mangifera indica L.) cv. Amrapali

A. Kundu, R. K. Tarai, S. Pradhan, A. Nayak, P. Naik, B. Senapati

International Journal of Environment and Climate Change · pp. 791–802 · Published 10 Jul 2023

10.9734/ijecc/2023/v13i92300

Abstract

An experiment on “Effect of Plant growth regulators on fruit yield and fruit quality of Mango (Mangifera indica L.) cv. Amrapali” was conducted at the research plot, College of Horticulture, Chiplima during the year 2020-21 by using Randomized Block Design with three replications and ten treatments. Three concentrations of NAA i.e. 10, 20 and 30 ppm, three concentrations of GA3 i.e. 10, 20 and 30 ppm and three concentrations of 2,4-D i.e. 10, 20 and 30 ppm were applied at pea and marble stage of fruit. Research work was held on 07 years old plants of mango cv. Amrapali. Highest fruit weight (263.21g), and total yield of 18.34 kg per plant were recorded under T7. The minimum yield (4.41 kg per plant) was recorded under T1 (Control). The highest number of fruits per plant(69.67) and fruit yield (18.34 kg per plant ) was recorded under treatment T7 (30 ppm foliar application of GA3). The maximum TSS: acid ratio (115.81) was obtained with T10 (30 ppm concentration of 2,4-D) which was known to be superior from all other treatments. The minimum TSS: acid ratio (55.00) was estimated under T1. Ascorbic acid content of mango cv. Amrapali ranged from 39.34 mg/100g (T10) to 55.97 mg/100g (T1). The highest total sugar content (14.99 %) was estimated in T10 (2,4-D at 20 ppm) while the lowest total sugar content (10.42 %) was estimated in T1 (Control). T10 (30 ppm foliar applications of 2,4-D) showed maximum ascorbic acid content (55.97 mg/100g), while lowest (39.34 mg/100 g) was recorded under T1 (Control). It is concluded that the foliar application of 30 ppm GA3 (Gibberellic acid) and 30 ppm 2,4-D were found to be optimum concentrations which showed best results by increasing yield and fruit quality of mango cv. Amrapali.

Mango amrapali yield quality

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