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Research Article Open access CC BY 4.0

The Effects of Pre-Harvest Naphthalene Acetic Acid (NAA) Treatments on Fruit Quality Attributes of Braeburn Apples during Cold Storage

Burhan Ozturk, Orhan Karakaya, Yakup Ozkan, Kenan Yildiz, Medeni Karakaya, Saadet Koc Guler

Journal of Experimental Agriculture International · pp. 1–7 · Published 5 Apr 2019

10.9734/jeai/2019/v33i630159

Abstract

In this study, effects of pre-harvest naphthalene acetic acid (NAA) treatments on weight loss, color, flesh firmness, soluble solids content (SSC), titratable acidity and starch index of Braeburn apples (Malus x domestica Borkh) were determined at harvest and at 45 days post-harvest intervals throughout cold storage at 0±0.5°C and 90±5% RH.  During cold storage, the lowest weight loss was obtained from NAA-treated fruits. L* and hue angle values of both control and NAA-treated fruits decreased in all analysis periods. While chroma value increased for NAA-treated fruits during cold storage, it firstly increased, and then decreased. The flesh firmness of NAA-treated fruits was higher than control fruits at harvest, whereas it was lower in the last two analysis periods. NAA-treated fruits had lower SSC values than the control fruits. The starch degradation of NAA-treated fruits was faster than the control fruits.

Color flesh firmness Malus x domestica borkh starch index weight loss

Cited by 8

Use of alpha-naphthylacetic acid in ovary thinning and preharvest fruit drop reduction in apple trees

A. I. Kuzin, Yu. B. Nazarov, A. A. Shmakova · Horticulture and viticulture · 2021

Storage Ability and Sensory Quality of ‘Reinette Simirenko’ Apples Treated with Ethephon and 1-MCP

Olha Drozd, Oleksandr Melnyk, Leonid Remeniuk · Journal of Horticultural Research · 2025

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