Participatory plant breeding (PPB) approach for evolving superior varieties of soybean (Glycine max L. Merril) under maize based system in Nepal
2008
Darai, R., Nepal Agricultural Research Council, Nepalgunj,Khajura, Banke (Nepal). Regional Agricultural Station | Adhikari, B.N., National Grain Legumes Research Program, Rampur, Chitwan (Nepal) | Neupane, R.K., Nepal Agricultural Research Council, Nepalgunj,Khajura, Banke (Nepal). Regional Agricultural Station | Bastola, B.S., National Grain Legumes Research Program, Rampur, Chitwan (Nepal) | Baral, B.R., National Oil Seed Research Program, Nawalpur, Sarlahi (Nepal)
Soybean is wonderful legume crop of Nepal. Unavailability of suitable variety for various cropping patterns such as Maize-soybean-toria/other winter crops, Rice + Soybean (Bund planting) has been realized in the recent years. Released varieties have more or less smaller seed size, susceptible to different foliar diseases and longer maturity period (135-145 days), which farmers usually do not prefer. In the present context due to increasing trends of poultry farming in the country, the demand of soybean is sharply increasing. In connection with above background soybean genotypes collected from diversified sources were evaluated in observation screening nursery (OBN) and multi-location trial for yield potential, insect-disease reaction in the research station of Rampur and Nawalpur during 2004 to 2006. Multi-location trial was carried out in RCB design with four replications and OBN in rod row. No of rows of the genotypes were two in OBN, four in multi-location trial. Some lines AGS124 (2719 kg/ha), SB0065 (2589 kg/ha), G1873 (2482 kg/ha) and Ls7716-16 (2371 kg/ha) were selected from observation screening nursery based on the over years performances and will be promoted in multi location trial in next season.
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