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197066

EFFECT OF SOME GROWTH REGULATORS ON GROWTH AND YIELD OF GUAVA TREES (Psidium guajava, L.) cv. Montakhab El-Sabahia

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Last updated: 28 Dec 2024

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Abstract

A two- year trial was conducted during 2007 and 2008 seasons
on guava trees cv. Montakhab El-Sabahia. The trees were sprayed at
full bloom with one of the following solution: (1) tap water
"control",(2)50 ppm NAA at full bloom, (3)75 ppm GA3 at full bloom ,
(4) 150 ppm GA3 at full bloom (5) 75 ppm GA3 at full bloom and
three months later (6) 150 ppm GA3 and three months later (7) 75
ppm GA3 at full bloom and 5o ppm NAA three months later (8) 50
ppm NAA at full bloom+ 50 ppm nicotinic acid three months later
and (9) 75 ppm GA3 at full bloom +200 ppm L-cysteine three months
later. Conclusively, (75 ppm GA3 at full bloom +200 ppm L-cysteine,
three months later) and (50 ppm NAA at full bloom +50 ppm
nicotinic acid three months later proved to be the most effective
treatments in reducing fruit shedding either during June or preharvest drop as well as reducing fruit seed content. Besides, a
significant positive correlation was found between weight of 100
seeds on one hand and June drop and number of harvested fruits per
tree on the other one.

DOI

10.21608/fjard.2009.197066

Keywords

guava, growth regulators, Growth, yield

Authors

First Name

Iman, A.

Last Name

Abdel-Khalik

MiddleName

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Affiliation

Hort. Dept., Fac. of Agric. Fayoum, Univ. Egypt

Email

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City

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Orcid

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First Name

A.A.

Last Name

EL-SHEWY

MiddleName

-

Affiliation

Agric. Botany Dept., Fac. of Agric. Fayoum, Univ. Egypt

Email

-

City

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Orcid

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Volume

23

Article Issue

2

Related Issue

27890

Issue Date

2009-07-01

Receive Date

2021-09-30

Publish Date

2009-07-01

Page Start

123

Page End

132

Print ISSN

1110-7790

Online ISSN

2805-2528

Article File

FJARD_Volume 23_Issue 2_Pages 123-132.pdf

PDF . 451.2kB

Link

https://fjard.journals.ekb.eg/article_197066.html

Detail API

https://fjard.journals.ekb.eg/service?article_code=197066

Order

11

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 SOME GROWTH REGULATORS ON GROWTH AND YIELD OF GUAVA TREES (Psidium guajava, L.) cv. Montakhab El-Sabahia

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Type

Article

Created At

23 Jan 2023