Maize (Zea mays L.) is the most important crop in the middle hills of Nepal and is mostly grown in association with finger millet (Eleusino coracana Gaertn) and fodder trees. Seven maize varieties have been recommended for the hills but few farmers have adopted them. As a prerequisite to designin...
Tiwari, T.P
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Virk, Daljit S.
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Sinclair, Fergus L.
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[Participatory crop improvement for intercropped maize on Bari land terraces with trees]
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Participatory crop improvement for intercropped maize on Bari land terraces with trees
Participatory varietal selection (PVS) was used to try to identify an alternative to the most popular rice variety, Pusa 44, in the Patiala district of the Punjab. Pusa 44 (released in 1993 in India but not recommended for the Punjab) is grown in over 50% of the rice area in Patiala. It is highly...
Mali, S.S.
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Virk, Daljit S.
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Singh, K.B.
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Witcombe, John R.
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[Participatory varietal selection in rice in the Punjab]
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Participatory varietal selection in rice in the Punjab
A survey of nearly 1500 households in the high-potential production system (HPPSs) of the Chitwan and Nawalparasi districts of Nepal showed gre.t physical and socioeconomic diversity. Varietal diversity was low in all the crops studied and varied according to location in main-season rice. Masuli ...
Joshi, Krishna D.
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Witcombe, John R.
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[Participatory varietal selection, food security, and varietal diversity in a high-potential production system in Nepal]
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Participatory varietal selection, food security, and varietal diversity in a high-potential production system in Nepal
Sorghum is the third most important cereal crop in India and, over both the rainy (kharif) and the Post-rainy (rabi) seasons, totals a combined area of more than 11 million ha. Rabí sorghum is important for both food and fodder in the drought-prone areas of the states of Maharashtra (3.3 million ...
Finger millet (Eleusine coracana L. Gaertn.) is an important small millet for rainfed areas in India. A dozen varieties have been released for cultivation but there is little adoption by farmers, particularly in the Chitradurga and Bellary districts of Karnataka state where the present study was ...
Halaswamy, B.H.
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Gowda, B.T.S.
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Seetharam, A.
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Virk, Daljit S.
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Witcombe, John R.
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[Participatory varietal selection in finger millet]
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Participatory varietal selection in finger millet
During the past 16 years the Chinese Academy of Tropical and Agricultural Sciences (CATAS) has made good progress in developing improved cassava varieties for China. Several improved varieties have been released in south China, of which cv. SC124, with high yield and good cold resistance, is alre...
Lin, Xiong
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Li, Kaimian
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Zhang, Weite
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Juang, Jie
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[Progress in cassava breeding at the Chinese Academy of Tropical and Agric. Sciences (CATAS)]
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Progress in cassava breeding at the Chinese Academy of Tropical and Agric. Sciences (CATAS)
An analysis of the recent trend in cassava area, production and yield during 1993-96 revealed an impressive increase in Tamil Nadu, which is the predominant state where cassava is grown as an industrial crop. Its present yield of 29 t/ha is the highest in the world. Even though the overall nation...
Nair, S.G.
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Rajendran, P.G.
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Naskar, S.K.
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Sreekumari, M.T.
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Unnikrishnan, M.
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Sheela, M.N.
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[Breeding and varietal improvement of cassava in India]
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Breeding and varietal improvement of cassava in India
In May 1980 the soil section of CIAT's cassava program established a fertilization trial with 3 cassava var. [Barranquena (regional), M Col 113, and CMC 921 to measure its effect on yield and establish optimum levels from an economical point of view. The trial took place in Mondomito and Agua Bla...
En mayo de 1980 en la seccion de suelos del programa de yuca del CIAT se establecio un ensayo de fertilizacion con 3 var. de yuca (Barranquena (regional), M Col 113 y CMC 92) para medir su efecto en el rendimiento y establecer los niveles optimos desde el punto de vista economico. El ensayo se lo...
Díaz, R.O.
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Howeler, Reinhardt H.
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Cadavid, L.F.
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[Anilisis economico de un ensayo de fertilizacion en yuca]
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Anilisis economico de un ensayo de fertilizacion en yuca
Farmers from the village of Chhomrong in Nepal describe their experiences with experimental varieties of paddy rice, growing experimental varieties and selecting for specific qualities, in an initiative that started in 1993.
Gurung, Om Bahadur
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Gurung, Najarman
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Gurung, Min Kumari
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Gurung, Nauli
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[How did the farmers of chhomrong improve the local paddy species?]
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How did the farmers of chhomrong improve the local paddy species?
Bean rust (Uromyces phaseoli), a common disease with worldwide distribution, is considered one of the most important bean production problems in the tropics. Prolonged periods of moisture and moderate temp. (17-27 degrees C) favor disease development. The infection process begins when a urediospo...
La roya del frijol (Uromyces phaseoli) es una enfermedad a nivel mundial considerada como uno de los problemas mas importantes de la produccion de frijol en el tropico. Periodos prolongados de humedad y temp. moderadas (17-27 grados C) favorecen el desarrollo de la enfermedad. El proceso de infec...