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Population Dynamics of the Whitefly, Bemisia Tabaci (Gennadius) (Homoptera: Aleyrodidae) on Common Bean, Phaseolus Vulgaris in Relation to Cultivar, Temperature and Humidity

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Last updated: 01 Jan 2025

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Economic entomology

Abstract

The objectives of this study were to find the correlation between population dynamics of the whitefly, Bemisia tabaci, Phaseolus vulgaris cultivars, temperature and humidity during the summer and winter growing seasons of 2013 and 2014. The three P. vulgaris cultivars screened were Copy, Polesta and Manga. In 2013 and 2014 cropping seasons, the population densities of B. tabaci   gradually increased from the 3rd week of March until the 4th week of April. For,  the population density increased and reached a peak from the 1st week of May, and then the population density decreased gradually from the 4th week of May until the 3rd week of June in 2013 and 1st of June in 2014.Densities of this pest typically increased as the growing season progressed andreached a peak in November and started to decrease from 1st of December until the end of them. In 2013 and 2014 cropping seasons, the population densities gradually increased from the 2nd week of October until the 4th week of October. Furthermore, the population density reached a peak from the 1st week of November, and then decreased gradually from the 4th week of November until the 4th week of December in 2013 and 2014. In 2013 summer cropping season, the cultivars Copy and Polesta were the most infested varieties. A similar trend was observed during 2014 summer growing season. In 2013 winter cropping season, the cultivars Copy and Manga were more susceptible to white fly infestation than Polesta cultivar.  A similar picture was obtained during the winter cropping season of 2014. The most infested varieties were Copy and Manga respectively. Whereas Polesta variety was the least infested. B. tabaci  population density  was positively affected by  temperature in 2013 and 2014 summer growing seasons,  where the correlation coefficient were 0.64 and 0.6,  respectively. In contrast, in 2013 and 2014 winter cropping season the relationship between B. tabaci population and temperature was insignificant and/or significant and negative with a correlation coefficient of -0.14 and -0.61 respectively. The results revealed that the relative humidity showed non-significant positive association with B, tabaci abundance in 2013 summer growing season with correlation coefficient of 0.08. On the other hand, B.  tabaci density  showed  non-significant negative association  with relative humidity in 2014summer season and 2013 winter seasons and significant negative association in 2014 winter season with correlation coefficients of 0.18, 0.73 and 0.32 respectively. 

DOI

10.21608/asejaiqjsae.2018.8603

Keywords

Bemisia tabaci, Population dynamics, Whether Conditions, common bean

Authors

First Name

Amal I.

Last Name

Safe

MiddleName

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Affiliation

Department of Zoology, Faculty of Science, Tanta University, Tanta, Egypt

Email

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City

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Orcid

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First Name

EL-Saied A.

Last Name

Naiem

MiddleName

-

Affiliation

Department of Zoology, Faculty of Science, Tanta University, Tanta, Egypt

Email

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City

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Orcid

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First Name

Horia. A.

Last Name

Abdel-Whab

MiddleName

-

Affiliation

Department of Vegetables Pests, Institute of Plant Protection, Agricultural Research Center (ARC), Dokki, Giza, Egypt

Email

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City

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Orcid

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First Name

Kamal M.

Last Name

El-Gendy

MiddleName

-

Affiliation

Department of Vegetables Pests, Institute of Plant Protection, Agricultural Research Center (ARC), Dokki, Giza, Egypt

Email

-

City

-

Orcid

-

Volume

39

Article Issue

April-June

Related Issue

1155

Issue Date

2018-04-01

Receive Date

2018-05-20

Publish Date

2018-04-01

Page Start

296

Page End

306

Print ISSN

1110-0176

Online ISSN

2536-9784

Article File

ASEJAIQJSAE_Volume 39_Issue April-June_Pages 296-306.pdf

PDF . 524.1kB

Link

https://asejaiqjsae.journals.ekb.eg/article_8603.html

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https://asejaiqjsae.journals.ekb.eg/service?article_code=8603

Order

12

Type

Original Article

Type Code

53

Publication Type

Journal

Publication Title

Alexandria Science Exchange Journal

Publication Link

https://asejaiqjsae.journals.ekb.eg/

MainTitle

Population Dynamics of the Whitefly, Bemisia Tabaci (Gennadius) (Homoptera: Aleyrodidae) on Common Bean, Phaseolus Vulgaris in Relation to Cultivar, Temperature and Humidity

Details

Type

Article

Created At

22 Jan 2023