Professor John Witcombe
Emeritus Professor
21 - 30 out of 74Page size: 10
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Adoption of rice varieties. 2. Accelerating uptake
Witcombe, J. R., Khadka, K., Puri, R. R., Khanal, N. P., Sapkota, A. & Joshi, K. D., 1 Oct 2017, In: Experimental Agriculture. 53, 4, p. 627-643Research output: Contribution to journal › Article › peer-review
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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 Oct 2017, In: Experimental Agriculture. 53, 4, p. 512-527Research output: Contribution to journal › Article › peer-review
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Evaluating cultivars in unbalanced on-farm participatory trials.
Virk, D. S. & Witcombe, J. R., 5 Mar 2008, In: Field Crops Research. 106, 2, p. 105-115Research output: Contribution to journal › Article › peer-review
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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. 341-347Research output: Contribution to journal › Article › peer-review
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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. 77-91Research output: Contribution to journal › Article › peer-review
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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 Jun 2007, In: Genetic Resources and Crop Evolution. 54, 4, p. 823-835Research output: Contribution to journal › Article › peer-review
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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 conference › Paper
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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. 413-426Research output: Contribution to journal › Article › peer-review
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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. 95-108Research output: Contribution to journal › Article › peer-review
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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 conference › Paper