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MORPH PHYSIOLOGICAL TRAITS OF SAFFLOWER AS AFFECTED BY PLANT DENSITIES AND NITROGEN FERTILIZATION

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Last updated: 04 Jan 2025

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Abstract

This study carried out at  a private farm in Elmhamid village ,Arment district , Luxor governorate, Egypt in 2016/2017 and 2017/2018 growing seasons for determine the effect of plant densities , different nitrogen sources and doses on the safflower cv. Giza (carthamus tinctorius) morphological and physiological characteristics.
The experimental  design was split-split plot set up with three replicates in both studied seasons was followed. The main plots were devoted to three plant densities viz, 35, 47 and 70 thousand plants/fad., and sub-plots were allotted to the three forms of nitrogen, i.e. ammonium sulphate, ammonium nitrate and urea, while the four nitrogen fertilizer levels were randomely arranged in the sub-sub-plots. The highest plant density of 70000 plants fad.-1 recorded the highest values of plant height and LAI at the growth stages i.e 65, 86 and 107 days from sowing in both seasons, while, the lowest plant density of 35000 plants/fad.-1 recorded highest values of number of green leaves plants/fad.-1 , number of branches plants-1, dry weight plants-1(gm) and leaf area plants-1in the three growth stages in both growing seasons.
The nitrogenous fertilizer forms had a significant effects on plant height at 107 days in the two growing seasons, But the other studied traits not show any significant response by the studied treatments under the two growing season at any growth stages . The highest values were recorded by using urea as the best form of nitrogen fertilizer under this experiment conditions.
The nitrogenous fertilizer levels had a significant effects on all studied traits at the different growth stages and the two growing seasons indicated the important of nitrogen fertilization on safflower under  site of experiment.
Conclusively, from these results it could be concluded that to increase the number of branches' / plant and leaf area index should be apply 60kg/fed level of nitrogen with low plant density.
 

DOI

10.21608/jpd.2019.41319

Keywords

safflower, plant density, nitrogen forms, nitrogen doses, morphological-physiological traits

Authors

First Name

Mohamed

Last Name

Abdel-Hafiz

MiddleName

-

Affiliation

Plant Production Dep., Faculty of Technology and Development, Zagazig University, Egypt

Email

mostawms@hotmail.com

City

zagazig

Orcid

-

First Name

edrees

Last Name

Abdel-Hafiz

MiddleName

-

Affiliation

Plant Production Dep., Faculty of Technology and Development, Zagazig University, Egypt

Email

-

City

Zagazig

Orcid

-

First Name

Aly

Last Name

Hassan

MiddleName

-

Affiliation

Plant Production Dep., Faculty of Technology and Development, Zagazig University, Egypt

Email

-

City

Zagazig

Orcid

-

First Name

Abd elghany

Last Name

Mansour

MiddleName

-

Affiliation

Plant Production Dep., Faculty of Technology and Development, Zagazig University, Egypt

Email

-

City

Zagazig

Orcid

-

Volume

24

Article Issue

1

Related Issue

6520

Issue Date

2019-01-01

Receive Date

2018-09-01

Publish Date

2019-01-01

Page Start

1

Page End

14

Print ISSN

1110-2543

Online ISSN

2682-3322

Article File

JPD_Volume 24_Issue 1_Pages 1-14.pdf

PDF . 597.7kB

Link

https://jpd.journals.ekb.eg/article_41319.html

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https://jpd.journals.ekb.eg/service?article_code=41319

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Original Article

Type Code

867

Publication Type

Journal

Publication Title

Journal of Productivity and Development

Publication Link

https://jpd.journals.ekb.eg/

MainTitle

MORPH PHYSIOLOGICAL TRAITS OF SAFFLOWER AS AFFECTED BY PLANT DENSITIES AND NITROGEN FERTILIZATION

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Article

Created At

22 Jan 2023