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175593

EFFECT OF SOME GIBBERELLIC ACID AND FORCHLORFNURON APPLICATION ON PRODUCTIVITY AND BERRIES DEVELOPMENT OF EARLY SWEET GRAPES

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Last updated: 04 Jan 2025

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Abstract

This study was conducted during the two consecutive seasons of (2016 and 2017) in a private vineyard located at El-Sadat City, Menoufia Governorate, to study the effect of gibberellic acid (GA3) and forchlorfnuron (CPPU) application on productivity and berries development of Early Sweet grape cultivar. The vines were five years old, spaced at 2×3 meters apart, grown in a sandy soil and trellised according to the Spanish Parron system.
Eight treatments were applied by using dipping clusters with CPPU at concentrations from 1 to 7ppm after fruit set directly in combined plus spraying with GA3 at 20 ppm at 6-8mm berry diameter in additionally control treatment. The results revealed that all CPPU and GA3 applications had the best results in comparison with control in both seasons. Excessive CPPU doses + spraying clusters with GA3 increases yield and physical properties of berries i.e. berry weight, size and firmness, but it delay maturation. In contrast, lower CPPU doses + spraying clusters with GA3 cause a slightly in retarding maturation but reduces yield and its components. On the other hand, moderate CPPU doses (dipping clusters with CPPU at 5ppm + spraying clusters with GA3 at 20 ppm) had an achieving in appropriate balance between yield and cluster quality attributes of Early Sweet grapevines in both seasons.

DOI

10.21608/mjppf.2021.175593

Keywords

Grapes, Early Sweet, gibberellic acid, forchlorfnuron, cluster, productivity, berries quality, Attributes

Authors

First Name

A. E.

Last Name

Hassan

MiddleName

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Affiliation

Department of Horticulture, Faculty of Agriculture, Menoufia University

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Orcid

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First Name

E. H. M.

Last Name

Behary

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Affiliation

Department of Horticulture, Faculty of Agriculture, Menoufia University

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Orcid

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Volume

6

Article Issue

5

Related Issue

25454

Issue Date

2021-05-01

Receive Date

2021-06-06

Publish Date

2021-05-01

Page Start

289

Page End

298

Print ISSN

2357-0830

Online ISSN

2735-346X

Link

https://mjppf.journals.ekb.eg/article_175593.html

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https://mjppf.journals.ekb.eg/service?article_code=175593

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 SOME GIBBERELLIC ACID AND FORCHLORFNURON APPLICATION ON PRODUCTIVITY AND BERRIES DEVELOPMENT OF EARLY SWEET GRAPES

Details

Type

Article

Created At

23 Jan 2023