Professor John Witcombe

Athro Emeritws

  1. Cyhoeddwyd

    How narrowly adapted are the products of decentralised breeding? The spread of rice varieties from a participatory plant breeding programme in Nepal.

    Joshi, K. D., Sthapit, B. R. & Witcombe, J. R., 1 Rhag 2001, Yn: Euphytica. 122, 3, t. 589-597

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  2. Cyhoeddwyd

    Identifying famers' preferences and constraints to Pearl Millet production in the Sahel and North-Sudan zones of Burkina Faso

    Drabo, I., Zangre, R. G., Danquah, E. Y., Ofori, K., Witcombe, J. & Hash, C. T., Hyd 2019, Yn: Experimental Agriculture. 55, 5, t. 765-775

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  3. Cyhoeddwyd

    Identifying superior wheat cultivars in participatory research on resource poor farms.

    Thapa, D. B., Sharma, R. C., Mudwari, A., Ortiz-Ferrara, G., Sharma, S., Basnet, R. K., Witcombe, J. R., Virk, D. S. & Joshi, K. D., 26 Meh 2009, Yn: Field Crops Research. 112, 2-3, t. 124-130

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  4. 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. (gol.) & Wood, D. (gol.), 1 Ion 2011, Agrobiodiversity Management for Food Security: A Critical Review. 2011 gol. CABI Publishing

    Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion CynhadleddPennod

  5. Cyhoeddwyd

    Improving the food security of low-resource farmers: introducing horsegram into maize-based cropping systems.

    Witcombe, J. R., Billore, M., Singhal, H. C., Patel, N. B., Tikka, B. S., Saini, D. P., Sharma, L. K., Sharma, R., Yadav, S. K. & Yadavendra, J. P., 1 Meh 2008, Yn: Experimental Agriculture. 44, 3, t. 339-348

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  6. Cyhoeddwyd

    Increasing genetic diversity by participatory varietal selection in high potential production systems in Nepal and India

    Witcombe, J. R., Joshi, K. D., Rana, R. B. & Virk, D. S., 1 Rhag 2001, Yn: Euphytica. 122, 3, t. 575-588

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  7. Cyhoeddwyd

    Increasing the client orientation of maize breeding using farmer participation in eastern India

    Virk, D. S., Chakraborty, M., Ghosh, J., Prasad, S. C. & Witcombe, J. R., 1 Hyd 2005, Yn: Experimental Agriculture. 41, 4, t. 413-426

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  8. 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/AdroddiadAdroddiad Comisiwn

  9. Cyhoeddwyd

    KASP™ based markers reveal a population sub-structure in temperate rice (Oryza sativa L.) germplasm and local landraces grown in the Kashmir valley, north-western Himalayas

    Shikari, A. B., Najeeb, S., Khan, G., Mohidin, F. A., Shah, A. H., Nehvi, F. A., Wani, S. A., Bhat, N. A., Waza, S. A., Subba Roa, L. V., Steele, K. & Witcombe, J., Maw 2021, Yn: Genetic Resources and Crop Evolution. 68, 3, t. 821–834

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  10. 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. (gol.), Stevenson, P. C. (gol.), Neupane, R. K. (gol.) & Grzywacz, D. (gol.), 17 Tach 2004.

    Allbwn ymchwil: Cyfraniad at gynhadleddPapur

  11. Cyhoeddwyd

    Linking community-based seed producers to markets for a sustainable seed supply system.

    Witcombe, J. R., Devkotas, K. P. & Joshi, K. D., 10 Medi 2010, Yn: Experimental Agriculture. 46, 4, t. 425-437

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  12. Cyhoeddwyd

    Managing an agricultural research programme for poverty alleviation in developing countries: an institute without walls

    Stirling, C. M., Harris, D. & Witcombe, J. R., 1 Ebr 2006, Yn: Experimental Agriculture. 42, 2, t. 127-146

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  13. Cyhoeddwyd

    Mapping quantitative trait loci for downy mildew resistance in pearl millet

    Jones, E. S., Liu, C. J., Gale, M. D., Hash, C. T. & Witcombe, J. R., Awst 1995, Yn: Theoretical and Applied Genetics. 91, 3, t. 448-456

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  14. Cyhoeddwyd

    Mapping quantitative trait loci for resistance to downy mildew in pearl millet: Field and glasshouse screens detect the same QTL

    Jones, E. S., Breese, W. A., Liu, C. J., Singh, S. D., Shaw, D. S. & Witcombe, J. R., 1 Gorff 2002, Yn: Crop Science. 42, 4, t. 1316-1323

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  15. 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/AdroddiadAdroddiad Comisiwn

  16. 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 gynhadleddPapur

  17. Cyhoeddwyd

    Marker-assisted selection to introgress QTLs controlling root traits into an Indian upland rice variety

    Steele, K. A., Price, A. H., Shashidhar, H. E. & Witcombe, J. R., 14 Medi 2006, Yn: Theoretical and Applied Genetics. 112, 2, t. 208-221

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  18. Cyhoeddwyd

    Marker-evaluated selection in rice: shifts in allele frequency among bulks selected in contrasting agricultural environments identify genomic regions of importance to rice adaptation and breeding.

    Steele, K. A., Edwards, G., Zhu, J. & Witcombe, J. R., 1 Hyd 2004, Yn: Theoretical and Applied Genetics. 109, 6, t. 1247-1260

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  19. Cyhoeddwyd
  20. Cyhoeddwyd

    Mass and line selection can produce equally uniform rice varieties

    Virk, D. S., Steele, K. A. & Witcombe, J. R., 1 Chwef 2007, Yn: Field Crops Research. 100, 2-3, t. 341-347

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  21. Cyhoeddwyd

    Number of crosses and population size for participatory and classical plant breeding

    Witcombe, J. R. & Virk, D. S., 1 Rhag 2001, Yn: Euphytica. 122, 3, t. 451-462

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  22. 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/AdroddiadAdroddiad Comisiwn

  23. 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/AdroddiadAdroddiad Comisiwn

  24. 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 gynhadleddPapur

  25. Cyhoeddwyd

    Participatory plant breeding in maize: a case study from Gujarat, India.

    Witcombe, J. R., Joshi, A. & Goyal, S. N., 1 Ebr 2003, Yn: Euphytica. 130, 3, t. 413-422

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid