Publications
2019
- PublishedRice 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. (eds.). Routledge
Research output: Chapter in Book/Report/Conference proceeding › Chapter
2013
- PublishedPlant 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 Feb 2013, In: BMC Plant Biology. 13, 22
Research output: Contribution to journal › Article › peer-review - PublishedQTLs 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 journal › Article › peer-review
2011
- PublishedImpact of introduction of modern varieties on crop diversity
Witcombe, J. R., Joshi, J. D., Virk, D. S., Sthapit, B. R., Lenne, J. M. (Editor) & Wood, D. (Editor), 1 Jan 2011, Agrobiodiversity Management for Food Security: A Critical Review. 2011 ed. CABI Publishing
Research output: Chapter in Book/Report/Conference proceeding › Chapter
2010
- PublishedRapid gains in food security from new maize varieties for complex hillside environments through farmer participation
Tiwari, T. P., Ortiz-Ferrara, G., Gurung, D. B., Dhakal, R., Katuwal, R., Hamal, B. B., Gadal, N. & Virk, D. S., 1 Dec 2010, In: Food Security. 2, 4, p. 317-325
Research output: Contribution to journal › Article › peer-review
2009
- PublishedIdentifying 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 journal › Article › peer-review - PublishedREML 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 journal › Article › peer-review - PublishedRapid gains in yield and adoption of new maize varieties for complex hillside environments through farmer participation. I. Improving options through participatory varietal selection (PVS).
Tiwari, T. P., Virk, D. S. & Sinclair, F., 15 Mar 2009, In: Field Crops Research. 111, 1-2, p. 137-143
Research output: Contribution to journal › Article › peer-review
2008
- PublishedEvaluating cultivars in unbalanced on-farm participatory trials.
Virk, D. S. & Witcombe, J. R., 5 Mar 2008, In: Field Crops Research. 106, 2, p. 105-115
Research output: Contribution to journal › Article › peer-review
2007
- PublishedClient-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 Dec 2007.
Research output: Contribution to conference › Paper - PublishedField 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 journal › Article › peer-review - PublishedMass 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 journal › Article › peer-review - PublishedPartnering with farmers to accelerate adoption of new technologies in South Asia to improve wheat productivity.
Ortiz-Ferrara, G., Joshi, A. K., Chand, R., Bhatta, M. R., Mudwari, A., Thapa, D. B., Sufian, M. A., Saikia, T. P., Chatrath, R., Witcombe, J. R., Virk, D. S. & Sharma, R. C., 1 Oct 2007, In: Euphytica. 157, 3, p. 399-407
Research output: Contribution to journal › Article › peer-review - PublishedTrade-offs between on-farm varietal diversity and highly client-oriented breeding - a case study of upland rice in India.
Virk, D. S. & Witcombe, J., 1 Jun 2007, In: Genetic Resources and Crop Evolution. 54, 4, p. 823-835
Research output: Contribution to journal › Article › peer-review
2006
- PublishedMarker 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/Report › Commissioned report - PublishedParticipatory evaluation of horsegram (macrotyloma uniflorum) varieties and their on-station responses to on-farm seed priming in eastern India.
Virk, D. S., Chakraborty, M., Ghosh, J. & Harris, D., 1 Oct 2006, In: Experimental Agriculture. 42, 4, p. 411-425
Research output: Contribution to journal › Article › peer-review - PublishedParticipatory plant breeding in rice and maize in eastern India - its scaling up and evaluation of products and methods.
Virk, D. S., 1 Jan 2006, 2006 ed. Centre for Arid Zone Studies.
Research output: Book/Report › Commissioned report
2005
- PublishedIncreasing 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 journal › Article › peer-review - PublishedParticipatory 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 Jul 2005, In: Experimental Agriculture. 41, 3, p. 299-319
Research output: Contribution to journal › Article › peer-review - PublishedParticipatory 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/Report › Commissioned report
2004
- PublishedMarker-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 conference › Paper
2003
- PublishedCollaborative 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 journal › Article › peer-review - PublishedSelection for salt-tolerance and early heading in bread wheat
Mahar, A. R., Hollington, P. A., Witcombe, J. R. & Virk, D. S., 1 Jan 2003, In: Cereal research Communications. 31, 1-2, p. 81-88
Research output: Contribution to journal › Article › peer-review
2002
- PublishedAn 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 conference › Paper - PublishedCombining 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 conference › Paper - PublishedCombining 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 Mar 2002, p. 20-22.
Research output: Contribution to conference › Paper - PublishedInnovative 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/Report › Commissioned report - PublishedParticipatory 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 Jan 2002, 2002 ed. Centre for Arid Zone Studies.
Research output: Book/Report › Commissioned report - PublishedParticipatory 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 conference › Paper
2001
- PublishedIncreasing 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 Dec 2001, In: Euphytica. 122, 3, p. 575-588
Research output: Contribution to journal › Article › peer-review - PublishedNumber of crosses and population size for participatory and classical plant breeding
Witcombe, J. R. & Virk, D. S., 1 Dec 2001, In: Euphytica. 122, 3, p. 451-462
Research output: Contribution to journal › Article › peer-review
2000
- PublishedVariation 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 journal › Article › peer-review