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132173

SEASONAL ABUNDANCE, NUMBER OF GENERATIONS AND HORIZONTAL DISTRIBUTION OF Aulacaspis tubercularis (NEW STEAD) AND ITS ASSOCIATED PARASITOIDS ON MANGO TREES

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Last updated: 22 Jan 2023

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Abstract

The seasonal abundance of Aulacaspis tubercularis (Newstead) and its associated parasitoids on mango trees varity hendi was studied in Inshas El-Raml district, Sharkia Governorate during the two successive years (2017 and 2018). The obtained results were summarized as follows: Females, males and total alive stages population showed two peaks of activity during the two successive years. Nymphs population appeared four and two peaks of activity during the two successive years, consecutively. During the first year the mean percentage of total mortality (13.71%) was relatively lower than the mean percentage of total mortality during the second one (29.52%). During the course of this work, two hymenopterous species were recorded as parasitoids of A. tubercularis. They were Aphytis sp. and Aspidiotiphagus sp.(Aphelinidae).The mean percentages of parasitism were 2.78 and 7.37% during the first and second years, respectively. Coefficient of determination (C.D.%) affected total number of alive stages population by 70.60 and 87.13 % during the first and second years, consecutively. The pest, A. tubercularis had three generations annually on mango trees varity hendi during the two successive years. The generation took about 3 to 5 months.  The insect and its associated parasitoids occurred in north eastern side of the trees. Conclusively, seasonal abundance of Aulacaspis tubercularis (Newstead) and its associated parasitoids on mango trees varity Hendi showed that female, males and total alive stages population two peaks of activity during the two successive years. The pest, A. tubercularis had three generations annually during the two successive years. During the course of this work, two hymenopterous species were recorded as parasitoids of A. tubercularis. so, when uses pesticides it must be concentrate on the opposite side. Key words:

DOI

10.21608/jpd.2020.132173

Keywords

seasonal abundance, Number Of Generations, Aulacaspis tubercularis, Associated Parasitoids, mango trees

Authors

First Name

Mai

Last Name

Attia

MiddleName

-

Affiliation

Plant Protection Research Institute, Agricultural Research Center, Egypt

Email

-

City

Agricultural Research Center, Egypt

Orcid

-

First Name

Hamza

Last Name

El-Sharkawy

MiddleName

-

Affiliation

Department of Plant Production, Faculty of Technology &Development, Zagazig University, Egypt

Email

hamzash@hotmail.com

City

Faculty of Technology &Development, Zagazig

Orcid

-

First Name

Hassan

Last Name

Nabil

MiddleName

-

Affiliation

Plant Protection Research Institute, Agricultural Research Center, Egypt

Email

-

City

Agricultural Research Center, Egypt

Orcid

-

First Name

Fathy

Last Name

El-Santeel

MiddleName

-

Affiliation

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

Email

-

City

Faculty of Technology and Development, Zagazig Univ., Egypt

Orcid

-

Volume

25

Article Issue

3

Related Issue

12175

Issue Date

2020-07-01

Receive Date

2020-06-08

Publish Date

2020-07-01

Page Start

343

Page End

362

Print ISSN

1110-2543

Online ISSN

2682-3322

Article File

JPD_Volume 25_Issue 3_Pages 343-362.pdf

PDF . 553.7kB

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https://jpd.journals.ekb.eg/article_132173.html

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https://jpd.journals.ekb.eg/service?article_code=132173

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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/

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Article

Created At

22 Jan 2023