Porth Ymchwil

Professor John Witcombe

Athro Emeritws

Aelodaeth

51 - 74 o blith 74Maint y tudalen: 50
Trefnu yn ôl: Primeiro autor
  1. 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 gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

  2. Cyhoeddwyd

    Collaborative and consultative participatory plant breeding of rice for the rainfed uplands of eastern India

    Virk, D. S., Singh, D. N., Prasad, S. C., Gangwar, J. S. & Witcombe, J. R., 1 Meh 2003, Yn: Euphytica. 132, 1, t. 95-108

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

  3. Cyhoeddwyd

    Adoption of rice varieties. 2. Accelerating uptake

    Witcombe, J. R., Khadka, K., Puri, R. R., Khanal, N. P., Sapkota, A. & Joshi, K. D., 1 Hyd 2017, Yn: Experimental Agriculture. 53, 4, t. 627-643

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

  4. Cyhoeddwyd

    Adoption of rice varieties - I. Age of varieties and patterns of variability

    Witcombe, J. R., Khadka, K., Puri, R. R., Khanal, N. P., Sapkota, A. & Joshi, K. D., 1 Hyd 2017, Yn: Experimental Agriculture. 53, 4, t. 512-527

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

  5. Cyhoeddwyd

    Participatory plant breeding is better described as highly client-oriented plant breeding. I. Four indicators of client-orientation in plant breeding

    Witcombe, J. R., Joshi, K. D., Gyawali, S., Musa, A. M., Johansen, C., Virk, D. S. & Sthapit, B. R., 1 Gorff 2005, Yn: Experimental Agriculture. 41, 3, t. 299-319

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

  6. 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 gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

  7. 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 Cynhadledd › Pennod

  8. 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 gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

  9. 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

  10. Cyhoeddwyd

    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

  11. 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 gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

  12. Cyhoeddwyd

    A Mother and Baby trial system.

    Witcombe, J. R., 12 Maw 2002, t. Appendix 79.

    Allbwn ymchwil: Cyfraniad at gynhadledd › Papur

  13. Cyhoeddwyd

    Participatory plant breeding is better described as highly client-oriented plant breeding. II. Optional farmer collaboration in the segregating generations.

    Witcombe, J. R., Gyawali, S., Sunwar, S., Sthapit, B. R. & Joshi, K. D., 1 Ion 2006, Yn: Experimental Agriculture. 42, 1, t. 79-90

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

  14. 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 gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

  15. Cyhoeddwyd

    Breeding for abiotic stresses for sustainable agriculture

    Witcombe, J. R., Hollington, P. A., Howarth, C. J., Reader, S. & Steele, K. A., 27 Chwef 2008, Yn: Philosophical Transactions of The Royal Society B: Biological Sciences. 363, 1492, t. 703-716

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

  16. Cyhoeddwyd

    Plant breeding can be made more efficient by having fewer, better crosses

    Witcombe, J. R., Gyawali, S., Subedi, M., Virk, D. S. & Joshi, K. D., 7 Chwef 2013, Yn: BMC Plant Biology. 13, 22

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

  17. 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

  18. 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 gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

  19. 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

  20. 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

  21. Cyhoeddwyd

    How much evidence is needed before client-oriented breeding (COB) is institutionalised? Evidence from rice and maize in India

    Witcombe, J. & Yadavendra, J. P., Hyd 2014, Yn: Field Crops Research. 167, t. 143-152

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

  22. 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.). Routledge

    Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Pennod

  23. Cyhoeddwyd

    Resistance gene deployment strategies in cereal hybrids using marker-assisted selection: gene pyramiding, three-way hybrids, and synthetic parent populations

    Witcombe, J. R. & Hash, C. T., Maw 2000, Yn: Euphytica. 112, t. 175–186

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

  24. Cyhoeddwyd

    Farmer Participatory Crop Improvement. I. Varietal Selection and Breeding Methods and Their Impact on Biodiversity

    Witcombe, J. R., Joshi, A., Joshi, K. D. & Sthapit, B. R., Hyd 1996, Yn: Experimental Agriculture. 32, 4, t. 445-460

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

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