Porth Ymchwil

Dr Daljit Virk

Uwch Gymrawd Ymchwil er Anrhydedd

Aelodaeth

1 - 32 o blith 32Maint y tudalen: 50
Trefnu yn ôl: Math
  1. Erthygl › Ymchwil › Adolygwyd 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

    Evaluating cultivars in unbalanced on-farm participatory trials.

    Virk, D. S. & Witcombe, J. R., 5 Maw 2008, Yn: Field Crops Research. 106, 2, t. 105-115

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

  4. Cyhoeddwyd

    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 Maw 2007, Yn: Field Crops Research. 101, 2, t. 180-186

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

  5. 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 gyfnodolyn › Erthygl › adolygiad 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 gyfnodolyn › Erthygl › adolygiad 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 gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

  8. 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 gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

  9. 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

  10. Cyhoeddwyd

    Participatory 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 Hyd 2006, Yn: Experimental Agriculture. 42, 4, t. 411-425

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

  11. 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

  12. Cyhoeddwyd

    Partnering 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 Hyd 2007, Yn: Euphytica. 157, 3, t. 399-407

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

  13. 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

  14. Cyhoeddwyd

    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 Ion 2013, Yn: Theoretical and Applied Genetics. 126, 1, t. 101-108

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

  15. Cyhoeddwyd

    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 Ion 2009, Yn: Experimental Agriculture. 45, 1, t. 77-91

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

  16. Cyhoeddwyd

    Rapid 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 Rhag 2010, Yn: Food Security. 2, 4, t. 317-325

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

  17. Cyhoeddwyd

    Rapid 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 Maw 2009, Yn: Field Crops Research. 111, 1-2, t. 137-143

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

  18. Cyhoeddwyd

    Selection for salt-tolerance and early heading in bread wheat

    Mahar, A. R., Hollington, P. A., Witcombe, J. R. & Virk, D. S., 1 Ion 2003, Yn: Cereal research Communications. 31, 1-2, t. 81-88

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

  19. Cyhoeddwyd

    Trade-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 Meh 2007, Yn: Genetic Resources and Crop Evolution. 54, 4, t. 823-835

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

  20. Cyhoeddwyd

    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 Awst 2000, Yn: International Rice Research Notes. 25, 2, t. 16-17

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

  21. Pennod › Ymchwil › Heb ei adolygu gan gymheiriaid
  22. 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

  23. 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

  24. Papur › Ymchwil › Heb ei adolygu gan gymheiriaid
  25. Cyhoeddwyd
  26. 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

  27. 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

  28. Cyhoeddwyd
  29. 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

  30. 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

  31. Adroddiad Comisiwn › Ymchwil › Heb ei adolygu gan gymheiriaid
  32. 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

  33. 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

  34. 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

  35. Cyhoeddwyd

    Participatory plant breeding in rice and maize in eastern India - its scaling up and evaluation of products and methods.

    Virk, D. S., 1 Ion 2006, 2006 gol. Centre for Arid Zone Studies.

    Allbwn ymchwil: Llyfr/Adroddiad › Adroddiad Comisiwn

  36. 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