Professor John Witcombe
Athro Emeritws
- Pennod › Ymchwil › Heb ei adolygu gan gymheiriaid
- Cyhoeddwyd
Impact of introduction of modern varieties on crop diversity
Witcombe, J. R., Joshi, J. D., Virk, D. S., Sthapit, B. R., Lenne, J. M. (Golygydd) & Wood, D. (Golygydd), 1 Ion 2011, Agrobiodiversity Management for Food Security: A Critical Review. 2011 gol. CABI PublishingAllbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Pennod
- Cyhoeddwyd
Participatory plant breeding in rice in Nepal.
Joshi, K. D., Sthapit, B. R., Subedi, M., Witcombe, J. R., Cleveland, D. A. (Golygydd) & Soleri, D. (Golygydd), 1 Ion 2002, Farmers: Scientists and Plant Breeding: Integrating Knowledge and Practice. 2002 gol. CABI Publishing, t. 239-267Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Pennod
- Cyhoeddwyd
Rice PPB in India and Nepal: Client-oriented plant breeding using few, carefully chosen crosses
Witcombe, J., Virk, D. & Joshi, K. D., 2019, Farmers and Plant Breeding: Current Approaches and Perspectives. Westengen, O. T. & Winge, T. (gol.). RoutledgeAllbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Pennod
- Papur › Ymchwil › Heb ei adolygu gan gymheiriaid
- Cyhoeddwyd
A Mother and Baby trial system.
Witcombe, J. R., 12 Maw 2002, t. Appendix 79.Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
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An introduction to data management and analysis for participatory varietal selection trials
Virk, D. S. & Witcombe, J. R., 12 Maw 2002, t. 69-72.Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
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Client-Oriented Breeding and Seed Supply
Witcombe, J. R., Devkota, K. P., Virk, D. S., Rawal, K. B., Prasad, S. C., Kumar, V. & Joshi, K. D., 12 Rhag 2007.Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
- Cyhoeddwyd
Combining PPB and marker-assisted selection: strategies and experiences with rice
Steele, K. A., Virk, D. S., Prasad, S. C., Kumar, R., Singh, D. N., Gangwar, J. S. & Witcombe, J. R., 1 Ion 2002.Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
- Cyhoeddwyd
Combining molecular marker technology and participatory techniques: A case study for drought-tolerant rice in eastern India II: Farmer evaluation of SLS-MAS bulks in participatory plant breeding
Steele, K. A., Singh, D. N., Kumar, R., Prasad, S. C., Virk, D. S., Gangwar, J. S. & Witcombe, J. R., 12 Maw 2002, t. 20-22.Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
- Cyhoeddwyd
Combining molecular marker technology and participatory techniques: A case study for drought-tolerant rice in eastern India II: Molecular breeding strategy
Steele, K. A., Edwards, G. & Witcombe, J. R., 12 Maw 2002, t. 16-19.Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
- Cyhoeddwyd
Lessons learned from scaling up participatory variety selection: LI-BIRD experiences.
Devkota, K. P., Gyawali, S., Tripathi, M. P., Joshi, K. D., Witcombe, J. R., Pande, S. (Golygydd), Stevenson, P. C. (Golygydd), Neupane, R. K. (Golygydd) & Grzywacz, D. (Golygydd), 17 Tach 2004.Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
- Cyhoeddwyd
Marker-assisted selection of four root QTL and aroma to improve Kalinga III: Evaluation of pyramid lines and advanced bulks from backcrossing
Steele, K. A., Singh, D. N., Kumar, R., Prasad, S. C., Billore, M., Virk, D. S., Shashidhar, H. E. & Witcombe, J. R., 1 Ion 2004.Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
- Cyhoeddwyd
Marker-evaluated selection: Evaluating allele frequencies in rice selected under extreme environments to find agronomically important loci
Steele, K. A. & Witcombe, J. R., 1 Ion 2005.Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
- Cyhoeddwyd
Participatory crop improvement strategies in the DFID Plant Sciences Research Programme
Witcombe, J. R., 12 Maw 2002, t. 1-4.Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
- Cyhoeddwyd
Participatory plant breeding in rice in eastern India-the success of a NGO/GO partnership
Virk, D. S., Singh, D. N., Kumar, R., Prasad, S. C., Gangwar, J. S. & Witcombe, J. R., 12 Maw 2002, t. 5-7.Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
- Cyhoeddwyd
Participatory plant breeding in rice in low-altitude production systems in Nepal
Gyawali, S., Joshi, K. D. & Witcombe, J. R., 12 Maw 2002, t. 8-10.Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
- Cyhoeddwyd
Participatory scaling up of participatory varietal selection.
Joshi, K. D., Gyawali, S. & Witcombe, J. R., 12 Maw 2002, t. 40-43.Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
- Cyhoeddwyd
The scaling up process and outcomes of participatory crop improvement in Nepal: Adoption and Impact.
Joshi, K. D., Devkota, K. P., Gyawali, S., Tripathi, M. P., Witcombe, J. R., Pande, S. (Golygydd), Stevenson, P. C. (Golygydd), Neupane, R. K. (Golygydd) & Grzywacz, D. (Golygydd), 17 Tach 2004.Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
- Adroddiad Comisiwn › Ymchwil › Heb ei adolygu gan gymheiriaid
- Cyhoeddwyd
DFID Plant Sciences Research Programme Annual Report 2005.
Witcombe, J. R., Harris, D. & Stirling, C. M., 1 Ion 2005, 2005 gol. Centre for Arid Zone Studies.Allbwn ymchwil: Llyfr/Adroddiad › Adroddiad Comisiwn
- Cyhoeddwyd
Food Security through Ricebean Research in India and Nepal (FOSRIN) Report 2. Identification of polymorphic markers in ricebean (Vigna umbellata).
Bajracharya, J., Singh, S., Dangol, B., Hollington, P. A. & Witcombe, J. R., 1 Ion 2008, 2008 gol. Unknown.Allbwn ymchwil: Llyfr/Adroddiad › Adroddiad Comisiwn
- Cyhoeddwyd
Innovative methods for rice breeding - combining participatory plant breeding (PPB) with molecular marker techniques
Steele, K. A., Virk, D. S. & Witcombe, J. R., 1 Ion 2002, 2002 gol. Centre for Arid Zone Studies.Allbwn ymchwil: Llyfr/Adroddiad › Adroddiad Comisiwn
- Cyhoeddwyd
Marker assisted selection for participatory plant breeding in rice
Steele, K. A., Virk, D. S. & Witcombe, J. R., 1 Ion 2006, 2006 gol. Centre for Arid Zone Studies.Allbwn ymchwil: Llyfr/Adroddiad › Adroddiad Comisiwn
- Cyhoeddwyd
Participatory crop improvement in high potential production systems - piloting sustainable adoption of new technologies.
Joshi, K. D., Gyawali, S. & Witcombe, J. R., 1 Ion 2003, 2003 gol. Centre for Arid Zone Studies.Allbwn ymchwil: Llyfr/Adroddiad › Adroddiad Comisiwn
- Cyhoeddwyd
Participatory crop improvement in high potential production systems and salt affected areas of Patiala district of the Punjab State
Witcombe, J. R., Virk, D. S. & Malhi, S. S., 1 Ion 2002, 2002 gol. Centre for Arid Zone Studies.Allbwn ymchwil: Llyfr/Adroddiad › Adroddiad Comisiwn
- Cyhoeddwyd
Participatory varietal selection (PVS) for post rainy (rabi) season sorghum.
Rana, B. S., Witcombe, J. R. & Virk, D. S., 1 Ion 2005, 2005 gol. Centre for Arid Zone Studies.Allbwn ymchwil: Llyfr/Adroddiad › Adroddiad Comisiwn
- Adoddiad Arall › Ymchwil › Heb ei adolygu gan gymheiriaid
- Cyhoeddwyd
A proposal for the release of an aromatic rice variety Suanulo Sugandha (A rice variety developed using client-oriented breeding (COB) approaches)
Witcombe, J., Devkotas, K. P., Tripathi, M. P., Gyawali, S., Subedi, M., Shrestha, P. K., Chaudhary, B. N., Yadav, R. B., Chaudhary, D., Gautam, A. P., Akhtar, T., Khatiwada, S. P., Adhikari, N. P., Chapagain, K. & Joshi, K., Ion 2008, 31 t.Allbwn ymchwil: Llyfr/Adroddiad › Adoddiad Arall