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, Vanaja
,
Shibu, M.P.
,
[Empowering farmers through participatory plant breeding: An initiative of the green foundation]
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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, Farhad
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Buckles, Daniel
,
[Cultivating the landscape: Enhancing the context for plant improvement]
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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 Hy
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Pham, Van Bien
,
Nguyen The Dang
,
Thai Phien
,
[Recent progress in cassava agronomy research in Vietnam]
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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...
Ceballos, H.
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Morante, Nelson
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Calle, Fernando
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Lenis, Jorge I.
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Jaramillo, Gustavo
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Pérez, Juan Carlos
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[Cassava genetic improvement]
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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.
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Khatiwada, S.P.
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Joshi, Krishna D.
,
[Strength of farmers' knowledge and participation in crop improvement and managing agrobiodiversity on-farm]
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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.
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Iosefa, T.
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Delp, Charles J.
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Fonoti, P.
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[Beyond taro leaf blight: A participatory approach for plant breeding and selection for taro improvement in Samoa]
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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 vom
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Christinck, Anja
,
Weltzien, Eva
,
[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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Opportunities and constraints for participatory plant breeding: Farmers' seed-management strategies and their effect on pearl millet populations in Rajasthan, India
This paper deals with advocacy for effective participatory crop improvement and plant genetic resource enhancement. First, the need for advocacy is highlighted; second, cases on the community-managed process of managing plant genetic resources is discussed. Advocacy is public action directed towa...
Ghale, Yamuna
,
[Need for advocacy for effective participatory crop improvement and plant genetic resource enhancement: Case studies on rice-breeding processes from Khotang and JaJarkot Districts, Nepal]
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Need for advocacy for effective participatory crop improvement and plant genetic resource enhancement: Case studies on rice-breeding processes from Khotang and JaJarkot Districts, Nepal
This paper describes a participatory plant-breeding (PPB) program for maize in a rural development project financed by the United Kingdom's Department of International Development (DFID) and the Government of India and executed by the Krishak Bharati Cooperative (KRIBHCO). The program was targete...
Goyal, S.N.
,
Joshi, A.
,
Witcombe, John R.
,
[Participatory crop improvement in maize in Gujarat, India]
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Participatory crop improvement in maize in Gujarat, India