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154447

SUSCEPTIBILITY OF SOME COTTON VARIETIES TO TETRANYCHUS URTICAE KOCH INFESTATION, WITH REFERENCE TO ITS PREDACOUS MITES AND SPIDERS IN BENI-SUEF GOVERNORATE

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Last updated: 04 Jan 2025

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Abstract

The populations of the spider mites Tetranychus urticae Koch (different stages) and their natural enemies i.e. predacious mites (families, Stigmaeidae, Tydeidae and Phytoseiidae) and the true spiders (families Saltisidae, Philrodomidae, Miturigidae, Thomisidae, Lycosidae and Araneidae) were studied in Beni Suef governorate during the cotton cultivated seasons, 2010 and 2011.The population differed according to the different sampling dates on the different cotton varities, Giza 80, 90 x ost, Dandra, Giza 83, Giza 89, Giza 90 and Giza 91 varities.The cotton (Giza 90 variety) was the most susceptible to the spider mite infestation in the two seasons, as, it harboured 96.625 and 83.5 mite individuals, per leaf in the seasons 2010 and 2011,respectively. The statistical analysis of obtained data indicated that the least significant differences for different varities were 39.559 and 19.779 in case of season effect. Also, Giza 80 and Giza 83 varities harboured more predacious mites during 2010 (6.5) individuals for each, while each of Giza 80 and Giza 90 harboured during 2011, 6 predacious mites. The average collected numbers of the spiders was 12.25 individuals on Dandra variety during 2010 while on Giza 83 variety during 2011 season was 8.25 individuals. The study indicated that there was generally positive correlation between the two spotted spider mite and their associated natural enemies.

DOI

10.21608/ejar.2014.154447

Keywords

Cotton varieties, URTICAE KOCH INFESTATION, REFERENCE TO ITS PREDACOUS

Authors

First Name

HASSAN A.

Last Name

TAHA

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Affiliation

Plant Protection Research Institute, Agricultural Research Center, Dokki, Giza, Egypt.

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First Name

MOHAMED R.

Last Name

ABD EL-KADER

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Affiliation

Faculty of Agriculture, Al-Azhar University Nasr City, Cairo, Egypt

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First Name

MOSTAFA A

Last Name

MOSTAFA

MiddleName

-

Affiliation

Faculty of Agriculture, Al-Azhar University Nasr City, Cairo, Egypt

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First Name

SADKY A

Last Name

OSMAN

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-

Affiliation

Plant Protection Research Institute, Agricultural Research Center, Dokki, Giza, Egypt.

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Volume

92

Article Issue

1

Related Issue

22595

Issue Date

2014-03-01

Receive Date

2013-11-28

Publish Date

2014-02-25

Page Start

121

Page End

131

Print ISSN

1110-6336

Online ISSN

2812-4936

Link

https://ejar.journals.ekb.eg/article_154447.html

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https://ejar.journals.ekb.eg/service?article_code=154447

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11

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Original Article

Type Code

1,041

Publication Type

Journal

Publication Title

Egyptian Journal of Agricultural Research

Publication Link

https://ejar.journals.ekb.eg/

MainTitle

SUSCEPTIBILITY OF SOME COTTON VARIETIES TO TETRANYCHUS URTICAE KOCH INFESTATION, WITH REFERENCE TO ITS PREDACOUS MITES AND SPIDERS IN BENI-SUEF GOVERNORATE

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Article

Created At

22 Jan 2023