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EFFECT OF PLANTING DISTANCES ON THE GROWTH, YIELD, ESSENTIAL OIL PRODUCTIVITY AND CHEMICAL COMPOSITION OF ROSEMARY (ROSMARINUS OFFICINALIS, L.) PLANT.

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Last updated: 04 Jan 2025

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Abstract

This experiment was carried out in Medicinal and Aromatic Plants Research Station at EL-Kanater EL-Khayria, Horticultural Research Institute, Agricultural Research Center, in two successive seasons; 1998 and1999. The aim of this study was to investigate the effect of planting distances on the growth, yield, essential oil productivity and chemical composition of Rosmarinus officinalis, L. plant. The plants of this experiment were cultivated at a distance of 20, 30, 40, 60 or 80 cm between them in the row and 30 cm between the rows. All the plants of this experiment were fertilized with nitrogen (N) at 150 kg, phosphorus (P2O5) at 50 kg and potassium (K2O) at 30 kg/fad. Nitrogen was added in the form of ammonium nitrate (33.5% N), while phosphorus was applied as calcium superphosphate (15.5% P2O5) and potassium as potassium sulfate (48% K2O). The obtained results can be summarized as follows: Growing rosemary plants at 20 cm apart resulted in the tallest plants, while, increasing the distance from 20 to 80 cm decreased steadily plant height. Cultivation at 80 cm between the plants in the row increased the number of branches, fresh and dry weights of herb as well as leaves/plant. Also, the plants which grew at this distance had the highest oil percentages and oil yield in their fresh herb and leaves per plant. Whereas increasing planting distances from 20 to 80 cm increased photosynthetic pigments (chlorophylls a, b and total, as well as carotenoids), total carbohydrates, nitrogen, phosphorus and potassium percentages in the herb in the two seasons. As a general trend, it is very clear that the highest values of all previous parameters were resulted in cultivation at the widest distance (80 cm between the plants in the row). Whereas the lowest values of all previous characters were produced from cultivation at the narrow distance (20 cm between the plants in the row). At the same time the opposite trend was found with plant height in the two seasons.
 

DOI

10.21608/jpd.2009.44614

Keywords

distances, Rosmarinus officinalis, cultivated, Growth, essential oil productivity, Photosynthetic pigments

Authors

First Name

Ahmed

Last Name

Hanafy

MiddleName

-

Affiliation

Ornamental Hort. Department, Faculty of Agriculture, Cairo University, Egypt.

Email

-

City

Cairo Univer.

Orcid

-

First Name

Gamal el din

Last Name

Ahmed

MiddleName

-

Affiliation

Ornamental Hort. Department, Faculty of Agriculture, Cairo University, Egypt.

Email

-

City

Cairo University

Orcid

-

First Name

Abd el fatah

Last Name

EL-Zehewy

MiddleName

-

Affiliation

Hort. Research Institute, Agriculture Research Center,Giza, Egypt.

Email

-

City

Agriculture Research Center,Giza

Orcid

-

First Name

Abeer

Last Name

Mohamed

MiddleName

-

Affiliation

Hort. Research Institute, Agriculture Research Center, Egypt.

Email

-

City

Agriculture Research Center,Giza

Orcid

-

Volume

14

Article Issue

1

Related Issue

6931

Issue Date

2009-01-01

Receive Date

2008-09-22

Publish Date

2009-01-01

Page Start

111

Page End

128

Print ISSN

1110-2543

Online ISSN

2682-3322

Article File

JPD_Volume 14_Issue 1_Pages 111-128.pdf

PDF . 260.3kB

Link

https://jpd.journals.ekb.eg/article_44614.html

Detail API

https://jpd.journals.ekb.eg/service?article_code=44614

Order

7

Type

Original Article

Type Code

867

Publication Type

Journal

Publication Title

Journal of Productivity and Development

Publication Link

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

MainTitle

EFFECT OF PLANTING DISTANCES ON THE GROWTH, YIELD, ESSENTIAL OIL PRODUCTIVITY AND CHEMICAL COMPOSITION OF ROSEMARY (ROSMARINUS OFFICINALIS, L.) PLANT.

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Article

Created At

22 Jan 2023