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Journal of Plant Protection Research

The Journal of Polish Society of Plant Protection, Committee of Plant Protection; Polish Academy of Sciences, Institute of Plant Protection – National Research Institute

4 Issues per year

CiteScore 2016: 0.84

SCImago Journal Rank (SJR) 2016: 0.332
Source Normalized Impact per Paper (SNIP) 2016: 0.829

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Volume 56, Issue 2


The cotton mealybug, Phenacoccus solenopsis Tinsley (Hemiptera: Pseudococcidae) as a new menace to cotton in Egypt and its chemical control

El-Zahi Saber El-Zahi
  • Corresponding author
  • Plant Protection Research Institute, Agricultural Research Center, 7 Nadi El-Seid St., Dokki, Giza 12611, Egypt
  • Email
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ Safwat Abd El-Salam Aref
  • Plant Protection Research Institute, Agricultural Research Center, 7 Nadi El-Seid St., Dokki, Giza 12611, Egypt
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ Samy Kamal Mohammad Korish
  • Plant Protection Research Institute, Agricultural Research Center, 7 Nadi El-Seid St., Dokki, Giza 12611, Egypt
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
Published Online: 2016-07-08 | DOI: https://doi.org/10.1515/jppr-2016-0017


The cotton mealybug, Phenacoccus solenopsis Tinsley (Hemiptera: Pseudococcidae) is a polyphagous sap sucking insect with a wide geographical and host range causing severe losses in economically important crops. This study represents the first record of P. solenopsis as a new insect attacking cotton plants (Gossypium barbadense var. Giza 86) in Kafr El-Sheikh governorate, Egypt. The insect was noticed on cotton plants for the first time during its growing season of 2014. The mealybug specimens were collected from infested cotton plants and identified as P. solenopsis. In an attempt to control this pest, eight toxic materials viz., imidacloprid, thiamethoxam, flonicamid, emamectin-benzoate, chlorpyrifos, methomyl, deltamethrin and mineral oil (KZ-oil), belonging to different chemical groups, were tested for their influence against P. solenopsis on cotton under field conditions. Methomyl, imidacloprid, thiamethoxam and chlorpyrifos showed the highest efficacy against P. solenopsis recording 92.3 to 80.4% reduction of the insect population. Flonicamid, emamectin-benzoate and KZ-oil failed to exhibit sufficient P. solenopsis control.

Keywords: cotton; Egypt; mealybug; Phenacoccus solenopsis; toxicants


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About the article

Received: 2015-11-18

Accepted: 2016-04-13

Published Online: 2016-07-08

Published in Print: 2016-04-01

Citation Information: Journal of Plant Protection Research, Volume 56, Issue 2, Pages 111–115, ISSN (Online) 1899-007X, DOI: https://doi.org/10.1515/jppr-2016-0017.

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© by El-Zahi Saber El-Zahi. This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License. BY-NC-ND 4.0

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