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197036

EFFECT OF SITOFEX (CPPU) ON FRUIT SET, FRUIT QUALITY OF ANNA APLLE TREES

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Last updated: 05 Jan 2025

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Abstract

Efficiency of the synthetic cytokinin (CPPU) (N- (2-chloro-4-
pytidyle-N-phenylurea) was studied on Anna apple trees at full bloom,
14 days after full bloom and two time spraying (at full bloom and 14
days after full bloom). CPPU tended significantly to increase the
percentage of fruit set, yield and fruiting, while it decreased fruit drop < br />of all treatments. The best results were obtained by 20 ppm CPPU at
full bloom and 10 ppm CPPU two time spraying in the first season.
While, the 15 pm CPPU at full bloom was the best during the second
season.
Highest fruit weight, fruit size and fruit dimensions were
obtained by 15 ppm concentrations at 14 days after full bloom in the
two seasons. Concerning fruit shape index (L/D), an increase in fruit
diameter than its length due to all conducted CPPU treatments in both
seasons. As well as, acidity and TSS/acid ratio were significantly
improved as a result of all studied treatments when compared to the
control.
It could be concluded that, most of studied treatments resulted in
a positive and significant effect on most studied characteristics, since
(CPPU at 15 ppm at full bloom and 20 ppm at 14 days after full bloom
were the most effective treatments for increasing fruit set and yield as
well as improving the most fruit properties.


DOI

10.21608/fjard.2009.197036

Keywords

Cytokinin (CPPU), Anna apple trees, Fruit set and Fruit drop

Authors

First Name

Fatma I. I.

Last Name

Abou Grah

MiddleName

-

Affiliation

Hort. Res. Institute, Agric. Res. Center Giza. Egypt .

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Orcid

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First Name

Nagwa

Last Name

Abd El-Megeed

MiddleName

-

Affiliation

Hort. Res. Institute, Agric. Res. Center Giza. Egypt .

Email

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City

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Orcid

-

First Name

H.

Last Name

El-Shereif

MiddleName

-

Affiliation

Hort. Res. Institute, Agric. Res. Center Giza. Egypt .

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City

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Orcid

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Volume

23

Article Issue

1

Related Issue

27885

Issue Date

2009-01-01

Receive Date

2021-09-30

Publish Date

2009-01-01

Page Start

54

Page End

65

Print ISSN

1110-7790

Online ISSN

2805-2528

Link

https://fjard.journals.ekb.eg/article_197036.html

Detail API

https://fjard.journals.ekb.eg/service?article_code=197036

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25

Type

Research articles.

Type Code

1,920

Publication Type

Journal

Publication Title

Fayoum Journal of Agricultural Research and Development

Publication Link

https://fjard.journals.ekb.eg/

MainTitle

EFFECT OF SITOFEX (CPPU) ON FRUIT SET, FRUIT QUALITY OF ANNA APLLE TREES

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Article

Created At

23 Jan 2023