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Efficacy of some microbial control agents against onion insect pests in Egypt [electronic resource].

By:

Sabbour, M. M

Contributor(s):

Abbass, M. H

Language: English Description: p.35-40Uniform titles:

Egyptian journal of biological pest control, 2007 v. 17 (1,2) [electronic resource].

Subject(s):

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In: Egyptian Journal of Biological Pest Control 2007.v.17(1)Summary: The entompathogenic fungi, Metarhizium anisopliae and Beauveria bassiana were tested against onion insect pests. Results showed that they significantly decreased the infestations with Thrips tabaci, Delia alfrii and Eumerus amoenus. Under the laboratory conditions, 26±2 C and 70-80% RH, the LC₅₀ s recoded were 113, 87 and 71 spores/ml for the respective pests species by M. anisopliae. Using B. bassiana, the LC₅₀ s were 110, 98 and 66 for the same insect species, respectively.

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The entompathogenic fungi, Metarhizium anisopliae and Beauveria bassiana were tested against onion insect pests. Results showed that they significantly decreased the infestations with Thrips tabaci, Delia alfrii and Eumerus amoenus. Under the laboratory conditions, 26±2 C and 70-80% RH, the LC₅₀ s recoded were 113, 87 and 71 spores/ml for the respective pests species by M. anisopliae. Using B. bassiana, the LC₅₀ s were 110, 98 and 66 for the same insect species, respectively.

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