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252969

BUNCH WEIGHT AND FRUIT QUALITY OF "SAMANI" DATE (Phoenix dactylifera L.) AS AFFECTED BY SOME GROWTH REGULATORS.

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Last updated: 22 Jan 2023

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Abstract

To obtain further information about the effect of some growth regulating substances upon bunch weight and fruit quality of Samani date cultivar (12-year-old) were assessed for two successive seasons (1997 & 1998), effects of different concentrations of IAA + BA and GA3 + BA  applied twice one week after pollination and two weeks later were compared on different bunches on the same palm.Both bunch and fruit fresh weight were increased by IAA + BA application especially  10 ppm IAA + 10 ppm BA treatment, followed by GA3 + BA treatments especially 5 ppm GA3 + 10 ppm BA. Whereas the percentage of seed weight was decreased with (5 ppm IAA + 10 ppm BA) treatment.The IAA + BA treatments increased fruit length and diameter especially with 10 ppm IAA + 10 ppm BA treatment, followed by GA3 + BA treatments especially 5 ppm GA3 + 10 ppm BA. Concerning L/D ratio, no significant differences were obtained between treatments with the exception in the first season where the treatment 10 ppm IAA + 10 ppm BA decreased it.TSS, reducing and total sugars were increased by IAA + BA treatments especially (10 ppm IAA + 10 ppm BA) treatments and GA3 + BA treatments especially 5 ppm GA3 + 10 ppm BA and were decreased by elevating the rate of GA3 + BA application.                 The results of this experiment suggest the benefits of the application of IAA + BA to improvebunch  weight and quality of Samani date fruit.

DOI

10.21608/jpp.2002.252969

Authors

First Name

A.

Last Name

Abo El-Ez,

MiddleName

T.

Affiliation

Hort. Dept., Fac. of Agric., South Valley Univ.

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Orcid

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First Name

Zenab

Last Name

Behairy

MiddleName

H.

Affiliation

Hort. Dept., Fac. of Agric., Ain Shams Univ.

Email

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City

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Orcid

-

First Name

A.

Last Name

Ahmed

MiddleName

M.

Affiliation

Hort. Res. Inst., ARC.

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Orcid

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Volume

27

Article Issue

1

Related Issue

35445

Issue Date

2002-01-01

Receive Date

2001-12-21

Publish Date

2002-01-01

Page Start

517

Page End

524

Print ISSN

2090-3669

Online ISSN

2090-374X

Link

https://jpp.journals.ekb.eg/article_252969.html

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https://jpp.journals.ekb.eg/service?article_code=252969

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20

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Original Article

Type Code

887

Publication Type

Journal

Publication Title

Journal of Plant Production

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https://jpp.journals.ekb.eg/

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Article

Created At

22 Jan 2023