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Saad, A., Sergany, M., Mostafa, M., Fathy, D. (2019). Efficacy of some Entomopathogenic Fungal Extracts and their Chemical Constituents as Alternative Bio-Pesticides against Onion Thrips, Thrips tabaci L.. Journal of Plant Protection and Pathology, 10(2), 121-126. doi: 10.21608/jppp.2019.40898
Amany S. M. Saad; M. I. Sergany; M. E. Mostafa; Dina M. Fathy. "Efficacy of some Entomopathogenic Fungal Extracts and their Chemical Constituents as Alternative Bio-Pesticides against Onion Thrips, Thrips tabaci L.". Journal of Plant Protection and Pathology, 10, 2, 2019, 121-126. doi: 10.21608/jppp.2019.40898
Saad, A., Sergany, M., Mostafa, M., Fathy, D. (2019). 'Efficacy of some Entomopathogenic Fungal Extracts and their Chemical Constituents as Alternative Bio-Pesticides against Onion Thrips, Thrips tabaci L.', Journal of Plant Protection and Pathology, 10(2), pp. 121-126. doi: 10.21608/jppp.2019.40898
Saad, A., Sergany, M., Mostafa, M., Fathy, D. Efficacy of some Entomopathogenic Fungal Extracts and their Chemical Constituents as Alternative Bio-Pesticides against Onion Thrips, Thrips tabaci L.. Journal of Plant Protection and Pathology, 2019; 10(2): 121-126. doi: 10.21608/jppp.2019.40898

Efficacy of some Entomopathogenic Fungal Extracts and their Chemical Constituents as Alternative Bio-Pesticides against Onion Thrips, Thrips tabaci L.

Article 5, Volume 10, Issue 2, February 2019, Page 121-126  XML PDF (1.44 MB)
Document Type: Original Article
DOI: 10.21608/jppp.2019.40898
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Authors
Amany S. M. Saad email 1; M. I. Sergany email 2; M. E. Mostafa3; Dina M. Fathy4
1Plant Pathology Department, Faculty of Agriculture, Mansoura University, Mansoura 35516, Egypt.
2Pesticides Department, Faculty of Agriculture, Mansoura University, Mansoura 35516, Egypt.
3Plant Protection Research Institute, Agriculture Research Center (ARC), Dokki, Giza, 12618, Egypt.
4Economic Entomology Department, Faculty of Agriculture, Mansoura University, Mansoura 35516, Egypt.
Abstract
Three entomopathogenic fungal secondary metabolites of Metarhizium anisopliae, Paceliomyces fumosoroseus and Trichoderma longibrachiatum were extracted using two different organic solvent and thoroughly investigated as bio-insecticide against nymphs and adults of onion thrips, Thrips tabaci using spraying method technique. The toxicity index of LC50 values revealed that T. longibrachiatuom secondary metabolites extracts (chloroform and ethyl acetate) were the most effective against the two developmental stages (nymph stage and adult) of T. tabaci followed by M. anisopliae extracts and the least toxic one P. fuosoroseus extracts after 7-days of treatment. The chemical composition of the most promising extracts in each entomopathogenic fungi were analyzed using GC-MS technique. Thirty-five compounds belonging to six different classes of natural products were characterized.
Keywords
Entomopathogenic fungi; secondary metabolites; lufenuron; Bio-pesticides; Onion; Thrips tabaci
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