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176024

EFFECT OF KAOLIN APPLICATIONS ON FRUIT SUNBURN, YIELD AND FRUIT QUALITY OF BALADY MANDARIN (Citrus reticulata, Blanco)

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Last updated: 04 Jan 2025

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Abstract

Sunburn is a major problem caused by high temperature and direct solar radiation, which leads to significant economic losses in Balady mandarin yield. So, a field experiment was conducted during 2014 and 2015 seasons at a private orchard situated in Motobus, Kafr El-Sheikh governorate, Egypt, to study the effect of foliar spray of 0, 2, 3 and 4% kaolin, twice or three times at May, June and July on sunburn percentage and fruit quality of Balady mandarin trees. The obtained results showed that, kaolin foliar applications were effective to control fruit sunburn as well as reducing severity percentage  of sunburned fruits as compared to untreated trees. Moreover, Kaolin foliar application at three times was decreased leaf and fruit surface temperature especially at the concentrations of 3 and 4%. In addition, kaolin treatments increased yield and improved fruit quality in terms of fruit size, diameter, weight, peel thickness and  vitamin C.  Kaolin foliar spray was raising fruit values of SSC%, acidity and SSC/acid ratio compared to control trees, whereas there is no significant variation among kaolin concentrations on this variables. Therefore, it could be recommended that, spraying kaolin at 3 or 4% three times in summer months, because it had a positive effect on preventing fruit sunburn damage and improvement yield and fruit quality of Balady mandarin trees.

DOI

10.21608/mjppf.2017.176024

Keywords

Citrus reticulata, kaolin, sunburn, yield, fruit quality, solar injury

Authors

First Name

H.A.

Last Name

Ennab

MiddleName

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Affiliation

Citrus Research Department, Hort. Res. Instit. ARC. Giza, Egypt

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City

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Orcid

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First Name

S.A.

Last Name

El-Sayed

MiddleName

-

Affiliation

Citrus Research Department, Hort. Res. Instit. ARC. Giza, Egypt

Email

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City

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Orcid

-

First Name

M.M.S. Abo

Last Name

El-Enin

MiddleName

-

Affiliation

Citrus Research Department, Hort. Res. Instit. ARC. Giza, Egypt

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Orcid

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Volume

2

Article Issue

2

Related Issue

25513

Issue Date

2017-04-01

Receive Date

2021-06-07

Publish Date

2017-04-01

Page Start

129

Page End

138

Print ISSN

2357-0830

Online ISSN

2735-346X

Article File

MJPPF_Volume 2_Issue 2_Pages 129-138.pdf

PDF . 547.4kB

Link

https://mjppf.journals.ekb.eg/article_176024.html

Detail API

https://mjppf.journals.ekb.eg/service?article_code=176024

Order

3

Type

original papers

Type Code

1,393

Publication Type

Journal

Publication Title

Menoufia Journal of Plant Production

Publication Link

https://mjppf.journals.ekb.eg/

MainTitle

EFFECT OF KAOLIN APPLICATIONS ON FRUIT SUNBURN, YIELD AND FRUIT QUALITY OF BALADY MANDARIN (Citrus reticulata, Blanco)

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Article

Created At

23 Jan 2023