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41322

ECOLOGICAL STUDIES ON Ceroplastes floridensis (Hemiptera: Coccidae) INFESTING TWO VARIETIES OF ORANGE TREES AT SHARKIA GOVERNORATE, EGYPT

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Last updated: 22 Jan 2023

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Abstract

Ecological studies of Ceroplastes floridensis Comstock (Coccidae: Hemip­tera) were carried out during two successive years (2016 and 2017) on two varieties of orange trees in Hannout village, Kafr Saqer district, Sharkia Governorate, Egypt.
 The obtained results revealed that the total number of alive stages population had four peaks of activity yearly in both Baladi and Valencia orange tree varieties. The total effects of a biotic factors (Temperature °C, Relative humidi­ty RH%, Sunshine hours and Light Intensity Lux.) under this study on the total numbers of alive stages population of the pest during the two successive years varied between positively and negatively significant in each of Baladi and Valencia Varieties, successively. The pest activity appeared by three overlapping annual generations in either the Baladi and Valencia varieties citrus trees.
Conclusively,from this results it could be concluded that the total number of stages of this insect was between three to four peaks per activity per year on both types of orange Balady and Valencia during both first and second years of the study.
 

DOI

10.21608/jpd.2019.41322

Keywords

Ecological studies, Ceroplastes floridensis, annual generations, citrus trees

Authors

First Name

Aael

Last Name

Zaki

MiddleName

-

Affiliation

Plant Protection Research Institute, Agricultural Research Center, Zagazig, Egypt.

Email

-

City

Zagazig

Orcid

-

First Name

Hamza

Last Name

El-Sharkawy

MiddleName

-

Affiliation

Plant Production Department, Faculty of Technology and Development, Zagazig Univ., Egypt

Email

-

City

Zagazig

Orcid

-

First Name

Fathy

Last Name

El santeel

MiddleName

-

Affiliation

Plant Production Department, Faculty of Technology and Development, Zagazig Univ., Egypt.

Email

-

City

Zagazig

Orcid

-

First Name

Nahla

Last Name

Ezz

MiddleName

-

Affiliation

Plant Protection Research Institute, Agricultural Research Center, Zagazig, Egypt.

Email

-

City

Zagazig

Orcid

-

Volume

24

Article Issue

1

Related Issue

6520

Issue Date

2019-01-01

Receive Date

2018-09-04

Publish Date

2019-01-01

Page Start

63

Page End

75

Print ISSN

1110-2543

Online ISSN

2682-3322

Article File

JPD_Volume 24_Issue 1_Pages 63-75.pdf

PDF . 507.4kB

Link

https://jpd.journals.ekb.eg/article_41322.html

Detail API

https://jpd.journals.ekb.eg/service?article_code=41322

Order

4

Type

Original Article

Type Code

867

Publication Type

Journal

Publication Title

Journal of Productivity and Development

Publication Link

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

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Article

Created At

22 Jan 2023