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Nowar, E., El-Masselati, H., Hafez, A., Shalaby, F. (2017). Using of Chrysoperla carnea (Stephens) Larvae as a Biological Control Agent against Phyllocnistis citrella Stainton.. Journal of Plant Protection and Pathology, 8(7), 333-336. doi: 10.21608/jppp.2017.46327
E. E. Nowar; H. I. El-Masselati; A. A. Hafez; F. F. Shalaby. "Using of Chrysoperla carnea (Stephens) Larvae as a Biological Control Agent against Phyllocnistis citrella Stainton.". Journal of Plant Protection and Pathology, 8, 7, 2017, 333-336. doi: 10.21608/jppp.2017.46327
Nowar, E., El-Masselati, H., Hafez, A., Shalaby, F. (2017). 'Using of Chrysoperla carnea (Stephens) Larvae as a Biological Control Agent against Phyllocnistis citrella Stainton.', Journal of Plant Protection and Pathology, 8(7), pp. 333-336. doi: 10.21608/jppp.2017.46327
Nowar, E., El-Masselati, H., Hafez, A., Shalaby, F. Using of Chrysoperla carnea (Stephens) Larvae as a Biological Control Agent against Phyllocnistis citrella Stainton.. Journal of Plant Protection and Pathology, 2017; 8(7): 333-336. doi: 10.21608/jppp.2017.46327

Using of Chrysoperla carnea (Stephens) Larvae as a Biological Control Agent against Phyllocnistis citrella Stainton.

Article 7, Volume 8, Issue 7, July 2017, Page 333-336  XML PDF (668.27 K)
Document Type: Original Article
DOI: 10.21608/jppp.2017.46327
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Authors
E. E. Nowar email 1; H. I. El-Masselati2; A. A. Hafez1; F. F. Shalaby1
1Plant Protection Dept., Fac. Agric. Moshtohor, Benha Univ., Egypt.
2Higher Inst. of Sci. and Tech., Al-Zhraa, Libya
Abstract
Experiments were carried out in the orchards farm of the Fac. of Agriculture at Moshtohor, Benha University, Egypt on navel orange (Citrus sinesnes)seedlings grafted on Citrus volckamerianatostudy the effect of releasing 2nd instar larvae ofthe aphid lion (Chrysoperla carnea) on citrus leaf miner (Phyllocnistis citrella) infestation rate in nursery of citrus plants.The efficiency of Ch. carnea as a bio-agent against the citrus leaf-miner was estimated.A net wooden cage was divided into 12 cages that measured 75×75×250 cm. each, and covered tightly with screenedfine nylon from all sides. Three treatments were examined compared with control (Tr.1: one & Tr.2: two and Tr.3: four 2ndinstar larvae of Ch. carnea/ seedling). Obtained data clarified that releasing Ch. carnea on citrus seedlings caused considerable reduction in both the whole mean number of infested leaves and whole mean percentage of infestation by P. citrella. Treatment 2 was the best in reducing the seasonal mean infestation rate by P. citrella in citrus nursery by 43.70%while, the treatment 3 gave the best results in decreasing the numbers of P. citrella mines, larvae, pupae and infested leaves by 50.86, 78.37, 72.47 and 52.68 %, respectively. The mentioned treatments caused reductions in the whole mean number of mines, larvae and pupae of P. citrellato be 7.14, 1.14 and 0.68/seedling, respectively.
Keywords
biological control; Chrysoperla carnea; Phyllocnistis citrella
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