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Project News 06.2004

A new whitefly species emerges as
a pest of cereals in Central America


Projects	:: Whiteflies as pests in tropical highlands :: Whiteflies as virus vectors in mixed cropping systems :: Whiteflies as vectors and pests in cassava

Whiteflies as pests of cassava in South America

Geographical focus :: Uganda, Tanzania, Mexico, El Salvador, Colombia, Ecuador	Start date :: April 1, 2002
	Completion date :: March 31, 2004


Project Name ::	Sustainable Integrated Management of Whiteflies as Pests and Vectors of Plant Viruses in the Tropics Phase 2 - Network Strengthening, Pest and Disease Dynamics and IPM Component Research
Project Leader ::	Dr. Francisco Morales

Subproject Name ::	Whiteflies as pests of cassava in South America
Subproject Description ::	This project will develop various management programs for devastating diseases of cassava, sweet potato, beans and vegetables, which if not contained will threaten food security and create an obstacle to improved livelihoods for small farmers in Africa, Latin America, and Asia. Specifically, this project is expected to contribute to crisis mitigation of the Cassava Mosaic Disease (CMD) pandemic in Tanzania, with post-crisis management and stabilization of cassava in Uganda. Further, the Project will develop integrated pest management (IPM) packages, for whitefly pests and whitefly-transmitted diseases, which will be highly effective, safe, affordable and easy to deliver to poor farmers in the Tropics. The main outputs of the Project will be: strengthening the Tropical Whitefly Network; characterizing target hot spots; basic research on whitefly pest and disease dynamics; validating IPM components; and developing training materials. The specific objectives of this Phase 2 Project are to: Strengthen the pan-tropical whitefly network formed during Phase 1, by improving the Information Management and Technology so that, Project results, additional WF/WTV resource materials, and decision support tools become readily available to NARS professionals. Undertake basic studies on whitefly population dynamics and disease epidemiology in the prioritized hot spots identified during Phase 1, in order to generate operational knowledge of the whitefly-virus-host pathosystems that will inform IPM intervention strategies for management of WFs and WTVs. Utilize the preliminary results from Phase 1 work to begin testing and integrating available IPM components in the target hot spots. This should lead to an improved IPM package that can be implemented immediately, to reduce insecticide use and assist small farmers in the short-term, while the basic research targets an understanding that will inform longer-term area-wide management strategies and policies. Based on results related to Objectives 2 and 3, develop training materials for professionals, in preparation for the Phase 3 scaling up process.
Subproject Leaders ::	Dr. James Legg / International Institute of Tropical Agriculture - IITA Dr. César Cardona / Centro Internacional de Agricultura Tropical - CIAT
Donor Partner ::	Dr. Bob Carlisle (Phase 2) / United Kingdom Department for International Development - DFID
Partner institutions and collaborating professionals ::	Colombia Centro Internacional de Agricultura Tropical - CIAT Dr. Anthony Bellotti Mr. Oscar Escobar United Kingdom Natural Resources Institute - NRI Dr. Richard Gibson Dr. John Colvin Dr. Frances Kimmins Dr. Timothy Chancellor Israel Tel Aviv University Dr. Dan Gerling United States Donald Danforth Plant Science Center Dr. Claude Fauquet University of Arizona Dr. Judith Brown Uganda Makerere University, Kampala Prof Adipala Ekwamu International Institute of Tropical Agriculture - IITA Uganda Tanzania National Root Crops Programme Dr. Edward Kanju International Institute of Tropical Agriculture - IITA Tanzania Kenya International Institute of Tropical Agriculture - IITA Kenya South Africa International Institute of Tropical Agriculture - IITA South Africa El Salvador Centro Nacional de Tecnología Agrícola - CENTA Ing. Eduardo Vides Mr. Carlos Atilio Pérez Mr. José Maria García Rodríquez Ms. Reina Guzmán de Serrano Universidad de El Salvador Mr. Leopoldo Serrano Universidad Técnica Latinoamericana - UTLA Guatemala Programa de Fríjol Centro Americano - PROFRIJOL Ing. Abelardo Viana Ecuador Manejo Colaborativo y Uso Apropiado de Recursos Naturales en la Ecoregión de la Cuenca del Río El Ángel - MANRECUR Ing. Mauricio Proaño Ms. Susan Poats Mexico Instituto Nacional de Investigaciones Forestales y Agropecuarias - INIFAP Mr. Wilson Avilés-Baeza Mr. Genovevo Ramírez Jaramillo
Dissemination Outputs ::
Keywords ::	Cassava; sweetpotato; common bean; tomatoes; peppers; whitefly; Bemisia tabaci; Bemisia afer; Trialeurodes vaporariorum; pest and disease dynamics; host plant resistance; phytosanitation; integrated pest management; Uganda; Tanzania; Guatemala; El Salvador; Ecuador; Colombia.


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