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Helmy, S., El-Sahn, O., Abd El-Razek, M. (2020). Predation Efficacy of Chrysoperla carnea (Steph.) on Parlatoria proteus (Curtis) and Fiorinia phoenicis (Balachowsky) under Semi Field Conditions at Giza Governorate. Journal of Plant Protection and Pathology, 11(12), 663-666. doi: 10.21608/jppp.2020.158677
Samah M. Y. Helmy; Omnia M. N. El-Sahn; Maha I. Abd El-Razek. "Predation Efficacy of Chrysoperla carnea (Steph.) on Parlatoria proteus (Curtis) and Fiorinia phoenicis (Balachowsky) under Semi Field Conditions at Giza Governorate". Journal of Plant Protection and Pathology, 11, 12, 2020, 663-666. doi: 10.21608/jppp.2020.158677
Helmy, S., El-Sahn, O., Abd El-Razek, M. (2020). 'Predation Efficacy of Chrysoperla carnea (Steph.) on Parlatoria proteus (Curtis) and Fiorinia phoenicis (Balachowsky) under Semi Field Conditions at Giza Governorate', Journal of Plant Protection and Pathology, 11(12), pp. 663-666. doi: 10.21608/jppp.2020.158677
Helmy, S., El-Sahn, O., Abd El-Razek, M. Predation Efficacy of Chrysoperla carnea (Steph.) on Parlatoria proteus (Curtis) and Fiorinia phoenicis (Balachowsky) under Semi Field Conditions at Giza Governorate. Journal of Plant Protection and Pathology, 2020; 11(12): 663-666. doi: 10.21608/jppp.2020.158677

Predation Efficacy of Chrysoperla carnea (Steph.) on Parlatoria proteus (Curtis) and Fiorinia phoenicis (Balachowsky) under Semi Field Conditions at Giza Governorate

Article 11, Volume 11, Issue 12, December 2020, Page 663-666  XML PDF (733.15 K)
Document Type: Original Article
DOI: 10.21608/jppp.2020.158677
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Authors
Samah M. Y. Helmy; Omnia M. N. El-Sahn email ; Maha I. Abd El-Razek
Plant Prot. Res. Inst., Agric. Res. Center, Dokki, Giza.
Abstract
An experiment was conducted to evaluate the efficacy of Chrysoperla carnea (Steph.) against two hard scale insects Parlatoria proteus (Curtis) and Fiorinia phoenicis (Balachowsky); Hemiptera:Diaspididae, in the nursery of El-Orman Botanical Garden Giza Governorate by releasing 5,10 and 15 individuals of 2nd larval instar of C. carnea and counts were taken 15, 30 and 45 days after treatment. Results showed that there were an effective reduction percentage in population of both scale insects. The mean of reduction percentages after 45 days after treatment in case of P. proteus different stages were 52.54, 68.95 and 77.14% for 1st, 2nd and 3rd treatments, respectively. While mean of reduction percentages of different stages of F. phoenicis recorded 58.38, 59.03 and 65.34% for 1st, 2nd and 3rd treatments, respectively.
Keywords
Chrysoperla; Diaspididae; Predation; Parlatoria; Fiorinia
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