Professor John Witcombe

Emeritus Professor

  1. Published

    Participatory varietal selection (PVS) for post rainy (rabi) season sorghum.

    Rana, B. S., Witcombe, J. R. & Virk, D. S., 1 Jan 2005, 2005 ed. Centre for Arid Zone Studies.

    Research output: Book/ReportCommissioned report

  2. Published

    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., Mar 2021, In: Genetic Resources and Crop Evolution. 68, 3, p. 821–834

    Research output: Contribution to journalArticlepeer-review

  3. Published
  4. Published

    Marker assisted selection for participatory plant breeding in rice

    Steele, K. A., Virk, D. S. & Witcombe, J. R., 1 Jan 2006, 2006 ed. Centre for Arid Zone Studies.

    Research output: Book/ReportCommissioned report

  5. Published

    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 Jan 2002.

    Research output: Contribution to conferencePaper

  6. Published

    Accelerating public sector rice breeding with high-density KASP markers derived from whole genome sequencing of indica rice

    Steele, K., Quinton-Tulloch, M., Amgai, R. B., Dhakal, R., Khatiwada, S. P., Vyas, D., Heine, M. & Witcombe, J., Apr 2018, In: Molecular Breeding. 38, 38.

    Research output: Contribution to journalArticlepeer-review

  7. Published

    Variation in RFLP markers associated with root growth in QTLs in Indian upland rice

    Steele, K. A., Moore, B. J., Witcombe, J. R., Virk, D. S. & Price, A. H., 1 Aug 2000, In: International Rice Research Notes. 25, 2, p. 16-17

    Research output: Contribution to journalArticlepeer-review

  8. Published
  9. Published
  10. Published

    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 Oct 2004, In: Theoretical and Applied Genetics. 109, 6, p. 1247-1260

    Research output: Contribution to journalArticlepeer-review

  11. Published

    QTLs associated with root traits increase yield in upland rice when transferred through marker-assisted selection

    Steele, K. A., Price, A. H., Witcombe, J. R., Shrestha, R., Singh, B. N., Gibbons, J. M. & Virk, D. S., 1 Jan 2013, In: Theoretical and Applied Genetics. 126, 1, p. 101-108

    Research output: Contribution to journalArticlepeer-review

  12. Published

    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 Jan 2004.

    Research output: Contribution to conferencePaper

  13. Published

    Innovative methods for rice breeding - combining participatory plant breeding (PPB) with molecular marker techniques

    Steele, K. A., Virk, D. S. & Witcombe, J. R., 1 Jan 2002, 2002 ed. Centre for Arid Zone Studies.

    Research output: Book/ReportCommissioned report

  14. Published

    Field evaluation of upland rice lines selected for QTLs controlling root traits.

    Steele, K. A., Virk, D. S., Kumar, R., Prasad, S. C. & Witcombe, J. R., 5 Mar 2007, In: Field Crops Research. 101, 2, p. 180-186

    Research output: Contribution to journalArticlepeer-review

  15. Published

    Has the introduction of modern rice varieties changed rice genetic diversity in a high-altitude region of Nepal?

    Steele, K. A., Gyawali, S., Joshi, K. D., Shrestha, P., Sthapit, B. R. & Witcombe, J. R., 10 Jul 2009, In: Field Crops Research. 113, 1, p. 24-30

    Research output: Contribution to journalArticlepeer-review

  16. Published

    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 Sept 2006, In: Theoretical and Applied Genetics. 112, 2, p. 208-221

    Research output: Contribution to journalArticlepeer-review

  17. Published

    Farmer Participatory Crop Improvement. III. Participatory Plant Breeding, a Case Study for Rice in Nepal

    Sthapit, B. R., Joshi, K. D. & Witcombe, J. R., Oct 1996, In: Experimental Agriculture. 32, 4, p. 479-496

    Research output: Contribution to journalArticlepeer-review

  18. Published

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

    Stirling, C. M., Harris, D. & Witcombe, J. R., 1 Apr 2006, In: Experimental Agriculture. 42, 2, p. 127-146

    Research output: Contribution to journalArticlepeer-review

  19. Published

    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 Jun 2009, In: Field Crops Research. 112, 2-3, p. 124-130

    Research output: Contribution to journalArticlepeer-review

  20. Published

    REML is an effective analysis for mixed modelling of unbalanced on-farm varietal trials.

    Virk, D. S., Pandit, D. B., Sufian, M. A., Ahmed, F., Siddique, M. A., Samad, M. A., Rahman, M. M., Islam, M. M., Ortiz-Ferrara, G., Joshi, K. D. & Witcombe, J. R., 1 Jan 2009, In: Experimental Agriculture. 45, 1, p. 77-91

    Research output: Contribution to journalArticlepeer-review

  21. Published

    An introduction to data management and analysis for participatory varietal selection trials

    Virk, D. S. & Witcombe, J. R., 12 Mar 2002, p. 69-72.

    Research output: Contribution to conferencePaper

  22. Published

    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 Mar 2002, p. 5-7.

    Research output: Contribution to conferencePaper

  23. Published

    Mass and line selection can produce equally uniform rice varieties

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

    Research output: Contribution to journalArticlepeer-review

  24. Published

    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 Oct 2005, In: Experimental Agriculture. 41, 4, p. 413-426

    Research output: Contribution to journalArticlepeer-review

  25. Published

    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 Jun 2003, In: Euphytica. 132, 1, p. 95-108

    Research output: Contribution to journalArticlepeer-review