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176647

POPULATION FLUCTUATIONS OF THE POTATO TUBER MOTH LARVAE IN EARLY POTATO SUMMER PLANTATION AND EFFECT OF SOME TOXIC COMPOUNDS ON LEAF CHLOROPHYLL CONTENT AND POTATO TUBERS IN STORES

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Last updated: 26 Dec 2024

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Abstract

Experiments were carried out at Shennow locality Kafr El-Sheikh and Atawa, Al- Gharbiya governorates (Delta region), early potato summer plantation with potato var. (Diamant) in 2014 season. To surveypests attacked potato and associated predators and the population fluctuations of the potato tuber moth. Also, efficiencies of certain compounds; Malathate, Match, Penny, Deltarab, Proclaim, Dipel 2x and Protecto in reducing its populations and chlorophyll content in potatoleaves were evaluated. In addition, efficiency of Dipel 2x and Protecto to control the PTM on potato tubers in stores were evaluated. The investigation revealed the presence of 12 species, nine families and six orders as pests on potato plants. Aphids constituted the greatest number followed by Phthorimaea operculella (Zeller), whileNezara viridula (L.) was recorded in few numbers. The surveyed predators, seven species, six families and five orders were recorded. Scymnus sp. constituted the greatest in number, while Paederus alfierii (Koch) was recorded in few numbers. The highest population densities of P. operculella larvae were recorded in April and May at Kafr El-Sheikh and March, April and May at Al-Gharbiya. Dipel 2 x and Match was the most potent compound in reducing the population density of potato tuber moth larvae followed by Proclaim, while Protecto showed a low effect at Kafr El-Sheikh. At Al-Gharbiya governorate, Proclaim and Dipel 2 x were the most potent compounds in reducing the population density of potato tuber moth larvae, followed by Deltarab but Protecto showed a low effect. The chlorophyll content grand average increased significantly by Dipel 2x treatment. In Al-Gharbiya, chlorophyll content (SPAD) recorded the highest level with Protecto and Match treatments, while it was the least with Proclaim treatment in potato leaves. In addition, Dipel 2x and Protecto gave satisfactory results against tuber infestations (P. operculella) in stores.

DOI

10.21608/mjapam.2016.176647

Keywords

Pests, Predators, the potato tuber moth, potato plantation, Compounds, chlorophyll content, tuber, store

Authors

First Name

M. A.

Last Name

Samy

MiddleName

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Affiliation

Vegetable Pest Research Department, Plant Protection Research Institute, Dokki, Giza, Agricultural Research Center, Egypt

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First Name

Aml B.

Last Name

Abo-El-Kassem

MiddleName

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Affiliation

Vegetable Pest Research Department, Plant Protection Research Institute, Dokki, Giza, Agricultural Research Center, Egypt

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Orcid

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First Name

Sanaa K. M.

Last Name

El-Fakharany

MiddleName

-

Affiliation

Vegetable Pest Research Department, Plant Protection Research Institute, Dokki, Giza, Agricultural Research Center, Egypt

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Volume

1

Article Issue

2

Related Issue

25589

Issue Date

2016-10-01

Receive Date

2021-06-09

Publish Date

2016-10-01

Page Start

99

Page End

109

Print ISSN

2357-0776

Online ISSN

2735-3494

Article File

MJAPAM_Volume 1_Issue 2_Pages 99-109.pdf

PDF . 388.7kB

Link

https://mjpam.journals.ekb.eg/article_176647.html

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https://mjpam.journals.ekb.eg/service?article_code=176647

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7

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Original Article

Type Code

1,417

Publication Type

Journal

Publication Title

Menoufia Journal of Plant Protection

Publication Link

https://mjpam.journals.ekb.eg/

MainTitle

POPULATION FLUCTUATIONS OF THE POTATO TUBER MOTH LARVAE IN EARLY POTATO SUMMER PLANTATION AND EFFECT OF SOME TOXIC COMPOUNDS ON LEAF CHLOROPHYLL CONTENT AND POTATO TUBERS IN STORES

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Article

Created At

23 Jan 2023