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Journal of Plant Protection and Pathology
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Volume Volume 12 (2021)
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Ebd El-Mageed, S., Helmy, S., Haris, H. (2021). Evaluate the Releasing Second Larval Instar of Coccinella undecimpunctata L. and Chrysoperla carnea (Stephens) as Biological Control Agent against Icerya purchasi Maskell (Hemiptera: Monophlebidae). Journal of Plant Protection and Pathology, 12(2), 107-110. doi: 10.21608/jppp.2021.154389
Sanaa A. M. Ebd El-Mageed; Samah M. Y. Helmy; H. M. Haris. "Evaluate the Releasing Second Larval Instar of Coccinella undecimpunctata L. and Chrysoperla carnea (Stephens) as Biological Control Agent against Icerya purchasi Maskell (Hemiptera: Monophlebidae)". Journal of Plant Protection and Pathology, 12, 2, 2021, 107-110. doi: 10.21608/jppp.2021.154389
Ebd El-Mageed, S., Helmy, S., Haris, H. (2021). 'Evaluate the Releasing Second Larval Instar of Coccinella undecimpunctata L. and Chrysoperla carnea (Stephens) as Biological Control Agent against Icerya purchasi Maskell (Hemiptera: Monophlebidae)', Journal of Plant Protection and Pathology, 12(2), pp. 107-110. doi: 10.21608/jppp.2021.154389
Ebd El-Mageed, S., Helmy, S., Haris, H. Evaluate the Releasing Second Larval Instar of Coccinella undecimpunctata L. and Chrysoperla carnea (Stephens) as Biological Control Agent against Icerya purchasi Maskell (Hemiptera: Monophlebidae). Journal of Plant Protection and Pathology, 2021; 12(2): 107-110. doi: 10.21608/jppp.2021.154389

Evaluate the Releasing Second Larval Instar of Coccinella undecimpunctata L. and Chrysoperla carnea (Stephens) as Biological Control Agent against Icerya purchasi Maskell (Hemiptera: Monophlebidae)

Article 3, Volume 12, Issue 2, February 2021, Page 107-110  XML PDF (855.93 K)
Document Type: Original Article
DOI: 10.21608/jppp.2021.154389
Authors
Sanaa A. M. Ebd El-Mageed; Samah M. Y. Helmy; H. M. Haris
Plant Prot. Res. Inst., Agric. Res. Center, Dokki, Giza, Egypt.
Abstract
Release of the second larval instar Coccinella undecimpunctata L. (Coleoptera: Coccinellidae) and Chrysoperla carnea (Stephens) (Neuroptera: Chrysopidae) predators as biological control agent against the population of Icerya purchasi Maskell (Hemiptera: Monophlebidae) under field conditions on Ficus trees at Orman garden at Giza governorate. The obtained result showed that, the average of reduction percentage of nymphs of I. purchasi were (69.7%, 77.9% and 81.7%) with the rate 30, 40 and 50 larval /tree of C. undecimpunctata, respectively. While reduction percentage of adults of I. purchasi were (65.2%, 72.1% and 77.1%) with the same rate of release. The obtained average of reduction percentage of nymphs of I. purchasi were (58.6%, 65.5% and 70.5%) with the rate 30, 40 and 50 larval /tree of C. carnea, respectively.  Also, average of reduction percentage of adults of I. purchasi were (36.6%, 43.7% and 52.6%) with the rate 30, 40 and 50 larval /tree, of C. carnea respectively.The regression equation indicated that there was a highly positive relationship between the rate of release of C. undecimpunctata & C. carnea and reduction percentages for nymphs and adults stage of I. purchasi. The statistical analysis assured that there was a significant increase in the reduction percentage of nymphs and adults of I. purchasi at different rate of release second larval of C. undecimpunctata and C. carnea.
Keywords
release; Coccinella undecimpunctata L; Chrysoperla carnea (Stephens); Icerya purchasi Maskell
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