EVALUATION OF THE PATHOGENICITY OF ENTOMOPATHOGENIC NEMATODES AND THEIR EFFECTIVENESS WITH ALPHA–CYPERMETHRIN INSECTICIDE AGAINST THE PEACH FRUIT FLY, Bactrocera zonata (DIPTERA: TEPHRITIDAE), UNDER LABORATORY CONDITIONS
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Abstract
The results showed that pathogenicity of the isolate (Ninawa) S. carpocapsea, which the highest percentage of mortality reached 100% for the two concentrations 200 and 250 IJS/pupa, While the chemical pesticide alfa- cypermethrin achieved the highest percentage of rate pupa and reached to 98.33% at the field recommended of 2.5 ml/L after 11 days of treatment. The results of that combinations of entomopathogenic nematode isolates and the chemical pesticide alfa-cypermethrin showed superiority to the ineoduced of the the pesticide and the imported H. bacteriophora + the pesticide at a concentration imported isolates H. bacteriophora + the pesticide and (Salahaddin) H. indica + of 250 IJS/pupa with the highest percentage of rate reaching 100% for each of them after nine days of treatment, ineoduced with the two combinations: (Mosul) S. carpocapsea + pesticide and (Baghdad) H. bacteriophora+ pesticide, with
killing rates of 90 and 80%, respectively and without significant differences between them at the same concentration.
Keywords: Entomopathogenic Nematodes, Alpha-cypermethrin , IJs ,pesticide, Combination of pesticide and nematode, Bactrocera zonata
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Copyright (c) 2024 Ayman Walid Khaled, Safaa Zakaria Bakr, Samira Awda Khallawi (Author)
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