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169435

EFFECT OF CALCIUM AND BORON AS FOLIAR SPRAY ON “LE CONTE” PEAR TREES PRODUCTIVITY

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Last updated: 04 Jan 2025

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Abstract

This study was carried out during  2016 and 2017 seasons on twenty years old “Le Conte" pear trees budded on Pyrus communis rootstock, grown at El-Kanater Horticultural Research Station to investigate  the effect of foliar application  of Ca (NO3)2 (1 and 2 % ) and borax  (100 and 200 ppm) as individual or in combined on yield, leaf mineral content and fruit characteristics.  The results obtained that, the highest fruit length, size, and diameter as well as fruit weight (g), fruit yield/ tree (kg) and fruit yield as ton/ fed.  were recorded when pear tree was sprayed with 1or 2 % calcium nitrate +  100 or 200 ppm borax  compared with both calcium and borax alone. Fruit firmness and acidity were increased by foliar spray of combined treatment calcium 100 or 200 ppm borax + 1 or 2 % Ca (NO3)2 compared to control. Spraying 1 or 2% Ca (NO3)2 alone gave the highest significant value of N % for pear leaves meanwhile P % was improved significantly using 200 ppm borax + 2% Ca (NO3 )2. Also, K, Ca and Mg % were increased significantly with spraying 200 ppm borax +2 % Ca (NO3 )2. In most cases, leaf Fe and Zn contents were increased significantly by combined treatment of 100 or 200 ppm borax + 2 % Ca (NO3)2 or  100 ppm borax alone .

DOI

10.21608/mjppf.2020.169435

Keywords

pear trees, Le-Conte, calcium, Boron, yield and fruit quality

Authors

First Name

H.M. Abo

Last Name

Ogiela

MiddleName

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Affiliation

Hort. Res. Inst.,Agric. Res. Centre, Giza, Egypt.

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Orcid

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First Name

S.M.

Last Name

Hussien

MiddleName

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Affiliation

Hort. Res. Inst., Agric. Res. Centre, Giza, Egypt.

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Orcid

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First Name

E. A. M.

Last Name

Osman

MiddleName

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Affiliation

Soils, Water and Environ. Res. Inst., Agric. Res. Centre, Giza, Egypt.

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City

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Orcid

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First Name

A. E. A.

Last Name

Shiref

MiddleName

-

Affiliation

Soils, Water and Environ. Res. Inst., Agric. Res. Centre, Giza, Egypt.

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Volume

5

Article Issue

1

Related Issue

24711

Issue Date

2020-02-01

Receive Date

2021-05-07

Publish Date

2020-02-01

Page Start

339

Page End

354

Print ISSN

2357-0830

Online ISSN

2735-346X

Article File

MJPPF_Volume 5_Issue 1_Pages 339-354.pdf

PDF . 586.4kB

Link

https://mjppf.journals.ekb.eg/article_169435.html

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https://mjppf.journals.ekb.eg/service?article_code=169435

Order

2

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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 CALCIUM AND BORON AS FOLIAR SPRAY ON “LE CONTE” PEAR TREES PRODUCTIVITY

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Article

Created At

23 Jan 2023