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342105

SOME BIOTIC AND ABIOTIC FACTORS AFFECTING THE BIOLOGY OF PHYTOSEIUS PLUMIFER (CANESTRINI AND FANZAGO) (ACARI: PHYTOSEIIDAE)

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Last updated: 24 Dec 2024

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Abstract

Some biotic and abiotic factors affecting the biology of the pred­atory mite Phytoseius plumifer(Canestrini & Fanzago) were studied using the two-spotted spider mite Tetranychus urticae Koch immatures as a food source. The fermal comanionship with male allover her longevity (multiple mating) gave female shortest longevity (45.2 days), and greatest fecundity (390 eggs / female) ; while single mating gave the longest longevity (52.3 days) and the smallest fecundity (82 eggs / fe­male). T.uricae (adults, 20% ; immatures, 10 % ; eggs 10%)gave the greatest attraction percentage (10%) in the shortest time (5.6, 6.7 and 8.5 minutes, respectively) for fed predator female, while the the scale insect Pariatoria zizyphus (Lucas) eggs gave the smallest (5%) and the longest time (91.0 minutes). Also, fed females were better attract­ed to food than 24 and 48 hours starved females. Low temperatures 10°C and 5°C decreased total egg hatchabili­ty. It decreased from 98% to 72 & from 90% to 40% after one to four weeks at the two degrees, respectively. At 10°C and 5°C female surviv­ability and fecundity ranged from 82 & 54% and 29 & 19 eggs / female to 10 & 0% and 5&0 eggs /female after one to four weeks.

DOI

10.21608/ejar.1999.342105

Authors

First Name

MOHAMED A. M.

Last Name

EL-ENANY

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Affiliation

Plant Protection Research Institute, Agricultural Research Centre, Dokki, Giza, Egypt

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First Name

ZENHOM.R.

Last Name

SOLIMAN

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Affiliation

Faculty of Agriculture, Cairo University, Giza, Egypt

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First Name

MOHAMED S.

Last Name

NAWAR

MiddleName

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Affiliation

Faculty of Agriculture, Cairo University, Giza, Egypt

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First Name

ABLA A.

Last Name

IBRAHM

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-

Affiliation

Plant Protection Research Institute, Agricultural Research Centre, Dokki, Giza, Egypt

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Volume

77

Article Issue

4

Related Issue

45828

Issue Date

1999-12-01

Receive Date

1998-05-03

Publish Date

1999-12-01

Page Start

1,509

Page End

1,518

Print ISSN

1110-6336

Online ISSN

2812-4936

Article File

EJAR_Volume 77_Issue 4_Pages 1509-1518.pdf

PDF . 3.3MB

Link

https://ejar.journals.ekb.eg/article_342105.html

Detail API

https://ejar.journals.ekb.eg/service?article_code=342105

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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

SOME BIOTIC AND ABIOTIC FACTORS AFFECTING THE BIOLOGY OF PHYTOSEIUS PLUMIFER (CANESTRINI AND FANZAGO) (ACARI: PHYTOSEIIDAE)

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Article

Created At

24 Dec 2024