Gobal Advanced Research Journal of Environmental Science and Toxicology
June 2012 Vol. 1(3), pp. 046-051
Copyright © 2012 Global Advanced Research Journals
Full Length Research Paper
Investigations on biology and host plants of the pentatomid sorghum bug (Agonoscelis pubescens (Thunb.)) in Sudan
Hashim Ahmed El-Massad, Abdalla Abdelrahim Satti and Zuhair Alfadel Alabjar
Environment and Natural Resources Research Institute (ENRRI), National Centre for Research, Khartoum, Sudan.
*Corresponding Author Email: firstname.lastname@example.org
Accepted 18 June, 2012
Among the major national pests in Sudan, sorghum bug (Agonoscelis pubescens) represents a big threat to sorghum (Sorghum bicolor) production in central rain fed belt north of latitude 11°N. The pest enters a resting period from November to July, and resumes activities with the onset of the rainy season (August-October). In spite of the intensive chemical control directed annually to the resting adults, the pest almost keeps the same trend every year. Therefore, this research aimed to through light on certain aspects of the insect’s biology and host plants, which may lead to find out ecological means of control. The results showed that the first generation of A. pubescens produced directly after resting period was significantly weaker than the last generation that attacks the crop, as with respect to fertility, egg hatchability, and development. This revealed the critical role of the first generation in subsequent pest multiplication and crop damage. Moreover, the distribution areas, resting sites and preferred hosts utilized for resting or feeding purposes were indicated. The area lies east of the Blue Nile River ranked first in infestation level, followed by Darfur and lastly Kordofan States. The findings obtained were considered as important baseline data for ecological management.
Keywords: Agonoscelis pubescens; sorghum; resting sites; host preference; Sudan.
- Hashim Ahmed El-Massad on Google Scholar
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- Abdalla Abdelrahim Satti on Google Scholar
- Abdalla Abdelrahim Satti on Pubmed
- Zuhair Alfadel Alabjar on Google Scholar
- Zuhair Alfadel Alabjar on Pubmed