Biopesticide development and diffusion of potato moths

Integrated management to strengthen food security
in the Ecuadorian Andes

CCRP projects

»Andes CoP

-select a project- ---------------------- CURRENT PROJECTS 06-016: Quinoa 09-005: Organic groundnut 09-016: Andean grains 09-022: Andean pests 09-025: Climate risk management 09-029: Native potato seed systems 09-032: Water security 09-033: Agrobiodiversity and nutrition 09-168: Food security 09-169: Communal ag. risk mgt. 09-181: Biospecticide/potato moth ---------------------- PAST PROJECTS 01-1563: Andean tubers (Peru) 05-112: Biodiversity and soil 05-112: Cover agriculture 05-112: Green manures/legumes 05-112: Lupin/quinoa 05-112: Native potato 05-112: Potato moth 05-112: Seed systems 07-702: Nutrition support 07-1209: Soil nutrient budgets

»East/Horn of Africa CoP

-select a project- ---------------------- CURRENT PROJECTS 06-447: Cereal roots 06-448: Tef/finger millet 08-019: Sweetpotato breeding

»Southern Africa CoP

-select a project- ---------------------- CURRENT PROJECTS 05-780: P-efficient legumes 06-740: Legume best bets 06-741: Cowpea/Alectra 06-742: Groundnut breeding 06-743: Bean seed 06-744: Climbing beans 09-273: Bruchid mgt. for beans 09-274: Groundnut post-harvest 09-297: Botanical pesticides/legumes 09-298: Soil fertility mgt. 09-299: Bambara groundnuts

»West Africa CoP

-select a project- ---------------------- CURRENT PROJECTS 05-009: Sweetpotato 06-012: Nutrition 06-013: Grain legumes 06-014: Sorghum/millet improv. 06-015: Seed systems ---------------------- PAST PROJECTS 06-011: Insect pest management

»Non-CoP projects

-select a project- ---------------------- CURRENT PROJECTS 05-781: Rice biodiversity ---------------------- PAST PROJECTS 00-1071: Milpa 01-1564: Wheat scab 02-026: Wolbachia 02-027: Chickpea 02-246: Indigenous vegetables 02-460: Potato 02-476: Sweetpotato diversity 02-644: Finger millet 02-778: Legumes

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Project information

»Funding dates

Original grant (2005-2009) Year 1: 5/1/2005-4/30/2006 Year 2: 5/1/2006-4/30/2007 Year 3: 5/1/2007-4/30/2008 Year 4: 5/1/2008-4/30/2009

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»The problem
The potato is central to the culture and diet of Andean people and is fourth among the world's principle food crops. Andean potato production is threatened by an emerging pest known as the Guatemalan potato moth (Tecia solanivora; Lepidoptera, Gelechiidae), whose larvae destroy potato tubers. T. solanivora is the most serious pest of potato in Central America, where the insect originated, and it has moved to South America through the potato trade. It has become one of the gravest problems facing potato producers in Ecuador and it also poses a serious threat to potato producers in other countries in the region.

»The approach
Year 2 workplan: English || Español
The project team will conduct a systematic screening of caterpillar populations to identify and characterize naturally occurring viruses in order to find a strain that can be developed into an effective biopesticide capable of reducing T. solanivora populations. The research team hopes that they can develop a biopesticide with a wide spectrum of activity so that it will also be capable of controlling other species of potato moth, Symmetrischema tangolias and Phthorimaea operculell, whose distribution overlaps with T. solanivora in Ecuador. They will study the population dynamics of these two pests, map their distribution in Carchi, Chimborazo and other provinces, and try to identify natural enemies (predators and parasitoids) of potential importance.

»The goal
To develop a biopesticide from a naturally occurring virus that is effective against both T. solanivora, Symmetrichema tangolias and Phthorimaea operculell, as well as training farmers in its use.

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Investigators

»Partner institutions

• Pontificia Universidad Católica del Ecuador (PUCE), Ecuador
• Institut de recherche por le développement (IRD), Ecuador
• Instituto Nacional Autónomo de Investigaciones Agropecuarias (INIAP), Ecuador
  
  

»Investigators at PUCE (*=project leader)
Dr. Carlos A. Soria*
Catherine Orbe
Betty Yangari
David Paez
Maria Jose Gonzalez

»Investigators at IRD
Dr. Jean-Louis Zeddam
Dr. Olivier Dangles

»Investigators at INIAP
Ing. Jovanny Suquillo
Ing. Manuel Pumisacho
Ing. Fausto Yumizaca

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Annual progress reports

Click the links below for annual progress reports.

»Original grant Year 1 (5/2005-4/2006) English || Español Year 2 (5/2006-4/2007) English || Español Year 3 (5/2007-4/2008) Due 5/31/2008 Year 4 (5/2008-4/2009) Due 5/31/2009

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Publications

LERY, X.; ZEDDAM, J-L.; LOPEZ-FERBER, M. 2005.
Genetic heterogeneity of various PhopGV isolates found on Phthorimaea operculella, Tecia solanivora and Symmetrischema tangolias.

Xth European Meeting of the IOBC-WPRS Working Group on Insect Pathogens and insect parasitic nematodes: “Invertebrate pathogens in biological control: Present and future,” 10th- 15th June, Bari, Italy.

ZEDDAM, J-L.; CHEVASCO, V.; BARRAGAN, A.; ONORE, G. 2006
Estudio, evaluación y uso de la biodiversidad viral del Ecuador para el control biológico de plagas agrícolas.

Seminario-Taller de la Red de Cooperación técnica en Biotecnología agropecuaria del Ecuador (RedBio) “La Biotecnología en el Ecuador: Estado actual y perspectivas futuras”. 26– 28 Abril, Universidad San Francisco de Quito, Cumbayá, Ecuador.

SILVAIN, J-F.; PUILLANDRE, N.; DUPAS, S.; ZEDDAM, J-L.; DANGLES, O. 2006. Invasion success of an insect pest of agricultural importance in Northern Andes
The Ecological Society of America’s International Conference: Ecology in an Era of Globalization: Challenges and Opportunities for Environmental Scientists in the Americas, 8th-12th January, Merida, Mexico.

CARPIO, C.; LIGER, B.; BARAGAN, A.; ONORE, G.; ZEDDAM, J-L.; DANGLES, O. 2006. Investigación de las prácticas culturales para el manejo de la polilla de la papa en los Andes ecuatorianos. 2006 XII Congreso Internacional de Cultivos Andinos, 24th-27th July, Quito, Ecuador.

BARRAGAN, A.
Situación actual de la problemática del complejo de la polillas de la papa en la región Andina. XII Congreso Internacional de Cultivos Andinos, 24th-27th July, Quito, Ecuador.

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