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Effect of Verticillium lecanii on Spodoptera littoralis (lepidoptera: noctuidae) [electronic resource].

By:

Adel, M. H

Contributor(s):

El-Nemaky, I. H

Language: English Summary language: Arabic Description: p.7073-7077Other title:

تأثير فطر Verticillium lecanii على دودة ورق القطن [Added title page title]

Uniform titles:

Mansoura University journal of agricultural sciences, 2003 v. 28 (9) [electronic resource].

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In: Mansoura University Journal of Agricultural Sciences 2003.v.28(9)Summary: Some responses were observed in the eggs and larvae of Spodoptera Littoralis (Boisd.) under different concentrations of V. Lecanii. The fungus proved virulent against the two stages of the insect. Treatment of the eggs appeared more susceptible to fungi than larvae. The treated eggs appeared a high reduced rate of hatchability and most of the hatched larvae from treated eggs failed to develop to adults and dead. LC₅₀ for eggs was 1.15 x 107 spores/ml, and for larvae was 1.55 x 107 spores/ml. The obtained results from this work will be make it possible useful and promising potential of V. lecanii to be considered as a biocontrol agent against the S. Littoralis.

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Some responses were observed in the eggs and larvae of Spodoptera Littoralis (Boisd.) under different concentrations of V. Lecanii. The fungus proved virulent against the two stages of the insect. Treatment of the eggs appeared more susceptible to fungi than larvae. The treated eggs appeared a high reduced rate of hatchability and most of the hatched larvae from treated eggs failed to develop to adults and dead. LC₅₀ for eggs was 1.15 x 107 spores/ml, and for larvae was 1.55 x 107 spores/ml. The obtained results from this work will be make it possible useful and promising potential of V. lecanii to be considered as a biocontrol agent against the S. Littoralis.

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