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In India cassava breeding is done mainly at the Central Tuber Crops Research Institute (CTCRI) in Trivandrum, as well as in the State Agricultural Universities through the All India Co-ordinating Centres. CTCRI maintains 786 exotic and 848 indigenous accessions of cassava and 8 wild species in it...


Rajendran, P.G.Nair, S.G.Amma, C.S. EaswariVasudevan, KeSreekumari, M.T.[Recent progress in cassava varietal improvement in India]Recent progress in cassava varietal improvement in India

The report covers varietal improvement for the period 1990-1993. Not much progress was made in the 1990/91 season due to the occurence of a super typhoon that damaged standing field trials. In recent years, however, progress in selection was made in terms of high yield and dry matter content and ...


Mariscal, Algerico M.Bacusmo, José L.[Recent progress in cassava varietal improvement in the Philippines]Recent progress in cassava varietal improvement in the Philippines

The data applies to ex-post analysis of improved bean variety adoption. The two provinces of Northern and Muchinga provinces in Zambia constitute the biggest area share planted to bean in the country. A total of 402 bean growing households were selected from 67 villages across seven districts for...


Katungi, EnidHamzakaza, PetanReyes, ByronMaredia, Mywish K.Muimui, Kennedy K.[Assessing access and adoption of improved bean varieties among the bean growing households in Northern and Southern provinces of Zambia]Assessing access and adoption of improved bean varieties among the bean growing households in Northern and Southern provinces of Zambia
Chávez, RenéBrown, C. ReynoldsIwanaga, Masaru[Transfer of resistance to PLRV titer buildup from Solanum tuberosum to a tuber-bearing solanum gene pool]Transfer of resistance to PLRV titer buildup from Solanum tuberosum to a tuber-bearing solanum gene pool

Rangel, Paulo Hideo NakanoNeves, Péricles C.F. das[Selección recurrente aplicada al arroz de riego en Brasil]Selección recurrente aplicada al arroz de riego en Brasil

Châtel, Marc H.Guimaraes, Elcio Perpétuo[Selección recurrente en arroz en Africa y Madagascar: Estado actual y progreso]Selección recurrente en arroz en Africa y Madagascar: Estado actual y progreso

Alvarado Aguila, José R.[Mejoramiento de arroz en Chile y utilización de la selección recurrente]Mejoramiento de arroz en Chile y utilización de la selección recurrente

This paper presents information from a participatory breeding project initiated in 1997 at the International Rice Research Institute (IRRI) in collaboration with plant breeders and social scientists from six national agricultural research institutions located in eastern India. The Indira Gandhi A...


Sahu, Ram KumarSahu, Vishwa NathSharma, M.L.Paris, T.R.McAllister, KarenSingh, Rama KantSarkarung, Surapong[Understanding farmers' selection criteria for rice varieties: A case in Madhya Pradesh, Eastern India]Understanding farmers' selection criteria for rice varieties: A case in Madhya Pradesh, Eastern India

Maize production is the main source of livelihood for the farmers of the western hills of Nepal However, farmers have very limited access to improved varieties of maize, suitable to their local requirements. They cultivate a number of maize varieties maintained locally through continuous selectio...


Shrestha, Pratap K.Subedi, MaduPoudel, DiwakarSunwar, Sharmila[Incorporating of users' and gender perspectives in farmer-led participatory plant breeding on maize: Experiences from the Western hills of Nepal]Incorporating of users' and gender perspectives in farmer-led participatory plant breeding on maize: Experiences from the Western hills of Nepal

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