Mahmoud, D., Hamed, R., Seufi, A., Salama, M., Diwan, N., El Shafei, A. (2009). Toxicity and biological effects of three Egyptian isolates of baculovirus on the cotton leaf worm, Spodoptera littoralis (boisd). test, 2(1), 219-226. doi: 10.21608/eajbsa.2009.15616
Dalia M. Mahmoud; Ragaa K.A. Hamed; AlaaEdeen M. Seufi; Mohammad S. Salama; Nadia M. Lotfi Diwan; Akila M M. El Shafei. "Toxicity and biological effects of three Egyptian isolates of baculovirus on the cotton leaf worm, Spodoptera littoralis (boisd)". test, 2, 1, 2009, 219-226. doi: 10.21608/eajbsa.2009.15616
Mahmoud, D., Hamed, R., Seufi, A., Salama, M., Diwan, N., El Shafei, A. (2009). 'Toxicity and biological effects of three Egyptian isolates of baculovirus on the cotton leaf worm, Spodoptera littoralis (boisd)', test, 2(1), pp. 219-226. doi: 10.21608/eajbsa.2009.15616
Mahmoud, D., Hamed, R., Seufi, A., Salama, M., Diwan, N., El Shafei, A. Toxicity and biological effects of three Egyptian isolates of baculovirus on the cotton leaf worm, Spodoptera littoralis (boisd). test, 2009; 2(1): 219-226. doi: 10.21608/eajbsa.2009.15616

Toxicity and biological effects of three Egyptian isolates of baculovirus on the cotton leaf worm, Spodoptera littoralis (boisd)

Egyptian Academic Journal of Biological Sciences. A, Entomology
Article 21, Volume 2, Issue 1, June 2009, Pages 219-226    PDF (602.75 K)
Document Type: Original Article
DOI: 10.21608/eajbsa.2009.15616
Authors
Dalia M. Mahmoud1; Ragaa K.A. Hamed1; AlaaEdeen M. Seufi2; Mohammad S. Salama1; Nadia M. Lotfi Diwan1; Akila M M. El Shafei1
1Department of Entomology, Faculty of Science, Ain Shams University
2Department of Entomology, Faculty of Science, Cairo University
Abstract
The toxicity of three different isolates of Egyptian baculovirus namely NPVGiza, NPVCairo and NPVAlex to Spodoptera littoralis larvae and their effects on some biological aspects of adults were studied. The second and fourth larval instars were highly susceptible to NPVCairo than to the other isolates. The second larval instar was highly susceptible than the fourth larval instar. NPVCairo induced larval, pupal and adult malformations. It was found that the three NPV's decreased the moth longevity, fecundity, egg hatchability and altered the sex ratio.
Keywords
Bioassay- Sopodoptera littoralis- Baculovirus
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