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This paper provides an overview of participatory plant-breeding (PPB) programs implemented by LI-BIRD in different environments and institutional settings in an attempt to address various breeding goals, such as productivity increase, research efficiency, biodiversity enhancement and on-farm cons...


Subedi, A.Joshi, Krishna D.Rana, Ram B.Subedi, Madu[Participatory plant breeding in diverse production environments and institutional settings: Experience of a nepalese NGO]Participatory plant breeding in diverse production environments and institutional settings: Experience of a nepalese NGO

This paper reviews some of the participatory research in high-potential production systems on participatory varietal selection in high-potential production systems. This collaborative research is conducted by the Centre for Arid Zone Studies, UK; Local Initiatives in Biodiversity Research and Dev...


Witcombe, John R.[Participatory varietal selection in high-potential production systems]Participatory varietal selection in high-potential production systems

In the so-called difficult environments, institutional plant breeding appears to be a failure, mainly because breeding is directed at increasing yields in more favorable environments. Although the improved varieties have broad adaptability, under varied marginal envi...


Ramprasad, VanajaShibu, M.P.[Empowering farmers through participatory plant breeding: An initiative of the green foundation]Empowering farmers through participatory plant breeding: An initiative of the green foundation

Bethua shak (Chenopodium album L. of the family Chinopodiaceae) is not a cultivated plant in Bengal, but it's hard to imagine the rural cuisine of Bengal without this vegetable. It is an important leaf Y vegetable just like any cultivated cabbage or spinach, its secure position in the food system...


Mazhar, FarhadBuckles, Daniel[Cultivating the landscape: Enhancing the context for plant improvement]Cultivating the landscape: Enhancing the context for plant improvement

In recent years the National Root and Tuber Crops Program of Vietnam, with the cooperation and assistance of the Centro International de Agricultura Tropical (CI AT), has drawn up a plan for strengthening the research and development capacity, with the objective of improving cassava production in...


Nguyen Huu HyPham, Van BienNguyen The DangThai Phien[Recent progress in cassava agronomy research in Vietnam]Recent progress in cassava agronomy research in Vietnam

Over the period 1994-1996, seven batches of seeds and two of meristem tissue cultures were evaluated and selected. As important as root yield is the trait starch content (or dry matter content) if a clone is to be accepted as a starch cultivar. At the time of reporting a number of clones have bee...


Tan, Swee Lian[Varietal improvement and agronomy research in Malaysia]Varietal improvement and agronomy research in Malaysia

Ceballos, H.Morante, NelsonCalle, FernandoLenis, Jorge I.Jaramillo, GustavoPérez, Juan Carlos[Cassava genetic improvement]Cassava genetic improvement

This paper highlights the role of fanners in crop improvement and managing agro biodiversity. The fiddling’s are mostly based on focus-group discussions and field observations. Documentation of farmers' knowledge and experiences in crop improvement and managing agro biodiversity may serve as a re...


Chaudhary, P.Khatiwada, S.P.Joshi, Krishna D.[Strength of farmers' knowledge and participation in crop improvement and managing agrobiodiversity on-farm]Strength of farmers' knowledge and participation in crop improvement and managing agrobiodiversity on-farm

The 1993 outbreak of leaf blight in Samoa resulted in the devastation of the staple taro crop and farmer's incomes from local and overseas markets. The preferred cultivars were all susceptible to the disease, and attempts to solve the problem through fungicides and changed cultural practices have...


Hunter, D.G.Iosefa, T.Delp, Charles J.Fonoti, P.[Beyond taro leaf blight: A participatory approach for plant breeding and selection for taro improvement in Samoa]Beyond taro leaf blight: A participatory approach for plant breeding and selection for taro improvement in Samoa

This paper presents information from a study on farmers' seed-management practices growing pearl millet in Rajasthan, India. It describes farmers' own crop-improvement activities in regard to yield, quality, and diversity of pearl millet, with emphasis on seed-management strategies, such as intro...


Brocke, Kirsten vomChristinck, AnjaWeltzien, Eva[Opportunities and constraints for participatory plant breeding: Farmers' seed-management strategies and their effect on pearl millet populations in Rajasthan, India]Opportunities and constraints for participatory plant breeding: Farmers' seed-management strategies and their effect on pearl millet populations in Rajasthan, India

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