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176026

EFFECT OF NITROGEN AND GA3 ON GROWTH, YIELD AND FRUIT QUALITY OF CHINESE MANDARIN TREES

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Last updated: 26 Dec 2024

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Abstract

This study was conducted to evaluate the effect of three rates of nitrogen fertilization as control (500), 750 and 1000 g N/tree/year and GA3 at 10 and 20 ppm, alone or in combinations on vegetative growth, yield and fruit quality of Chinese mandarin trees. Results showed that, high nitrogen level (1000 g N/tree) with 10 or 20 ppm GA3 enhanced vegetative growth parameters in terms of shoot length, leaves number/shoot and leaf area of Chinese mandarin trees in both seasons. Moreover, treatment of 1000 g N + 10 or 20 ppm GA3 gave the best fruit set % and showed to be the superior one in reducing fruit drop and preharvest fruit drop percentages as compared to control treatment. Yield and fruit quality were significantly increased by all treatments of nitrogen and GA3 compared to control treatment in both seasons. Therefore, it is recommended with the treatment of 1000 g N/tree plus spray with GA3 at 10 or 20 ppm which gave the best growth, yield, fruit quality of Chinese mandarin trees under sandy soil conditions.  

DOI

10.21608/mjppf.2017.176026

Keywords

Citrus reticulata, fertilization, fruit set, preharvest drop, nitrogen, GA3

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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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

117

Page End

128

Print ISSN

2357-0830

Online ISSN

2735-346X

Article File

MJPPF_Volume 2_Issue 2_Pages 117-128.pdf

PDF . 331.3kB

Link

https://mjppf.journals.ekb.eg/article_176026.html

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https://mjppf.journals.ekb.eg/service?article_code=176026

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4

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 NITROGEN AND GA3 ON GROWTH, YIELD AND FRUIT QUALITY OF CHINESE MANDARIN TREES

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Article

Created At

23 Jan 2023