Items where Author is "Ortiz, R."

Article

Dwivedi, S.L. and Perotti, E. and Upadhyaya, H.D. and Ortiz, R. (2010) Sexual and apomictic plant reproduction in the genomics era: exploring the mechanisms potentially useful in crop plants. Sexual Plant Reproduction, 23 (4). pp. 265-279.

Dwivedi, S. and Enrico, P. and Ortiz, R. (2008) Towards molecular breeding of reproductive traits in cereal crops. Plant Biotechnology Journal, 6 (6). pp. 529-559.

Dwivedi, S.L. and Perotti, E. and Ortiz, R. (2008) Towards molecular breeding of reproductive traits in cereal crops. Plant Biotechnology Journal , 6 (6). pp. 529-559.

Mahalakshmi, V. and Ng, Q. and Lawson, M. and Ortiz, R. (2007) Cowpea [Vigna unguiculata (L.) Walp.] core collection defined by geographical, agronomical and botanical descriptors. Plant Genetic Resources: Characterization and Utilization, 5 (3). pp. 113-119.

Dwivedi, S.L. and Mackill, D.J. and Yunbi, X. and Blair, M.W. and Ragot, M. and Upadhyaya, H.D. and Crouch, J.H. and Ortiz, R. (2007) The molecularization of public sector crop breeding: progress, problems, and prospects. Advances in Agronomy, 95 (.). 163-318 .

Crouch, J.H. and Ortiz, R. (2004) Applied genomics in the improvement of crops grown in Africa. African Journal of Biotechnology, 3 (10). pp. 489-496.

Upadhyaya, H.D. and Ortiz, R. and Bramel, P.J. and Singh, Sube (2003) Development of a groundnut core collection using taxonomical, geographical and morphological descriptors. Genetic Resources and Crop Evolution , 50 (2). pp. 139-148.

Upadhyaya, H.D. and Bramel, P.J. and Ortiz, R. and Singh, Sube (2002) Developing a mini core of peanut for utilization of genetic resources. Crop Science, 42 (6). pp. 1250-1256.

Mahalakshmi, V. and Aparna, P. and Ramadevi, S. and Ortiz, R. (2002) Genomic sequence derived simple sequence repeats markers. A case study with medicago spp. Electronic Journal of Biotechnology, 5 (3). pp. 233-242.

Upadhyaya, H.D. and Bramel, P.J. and Ortiz, R. and Singh, Sube (2002) Geographical patterns of diversity for morphological and agronomic traits in the groundnut germplasm collection. Euphytica, 128 (2). pp. 191-204.

Chandra, S. and Huaman, Z. and Krishna, S.H. and Ortiz, R. (2002) Optimal sampling strategy and core collection size of andean tetraploid potato based on isozyme data – a simulation study. Theoretical and Applied Genetics, 104 (8). pp. 1325-1334.

Upadhyaya, H.D. and Ortiz, R. and Bramel, P.J. and Singh, Sube (2002) Phenotypic diversity for morphological and agronomic characteristics in chickpea core collection. Euphytica, 123 (3). pp. 333-342.

Ortiz, R. and Madsen, S. and Wagoire, W.W. and Hill, J. and Chandra, S. and Stølen, O. (2001) Additive main effect and multiplicative interaction model for a diallel-cross analysis. Theoretical and Applied Genetics, 102 (6-7). pp. 1103-1106.

Hill, J. and Wagoire, W.W. and Ortiz, R. and Stølen, O. (2001) Analysis of a combined F1/F2 diallel cross in wheat. Theoretical and Applied Genetics, 102 (6-7). pp. 1076-1081.

Sharma, H.C. and Sharma, K.K. and Seetharama, N. and Ortiz, R. (2001) Genetic transformation of crop plants: risks and opportunities for the rural poor. Current Science, 80 (12). pp. 1495-1508.

Ortiz, R. and Wagoire, W.W. and Hill, J. and Chandra, S. and Madsen, S. and Stølen, O. (2001) Heritability of and correlations among genotype-by-environment stability statistics for grain yield in bread wheat. Theoretical and Applied Genetics, 103 (2-3). pp. 469-474.

Upadhyaya, H.D. and Ortiz, R. (2001) A mini core subset for capturing diversity and promoting utilization of chickpea genetic resources in crop improvement. Theoretical and Applied Genetics, 102 (8). pp. 1292-1298.

Hill, J. and Wagoire, W.W. and Ortiz, R. and Stlen, O. (2000) Cross prediction in bread wheat germplasm using single seed descent lines. Euphytica, 113 (1). pp. 65-70.

Sharma, K.K. and Ortiz, R. (2000) Program for the application of genetic transformation for crop improvement in the semi-arid tropics. In Vitro Cell. Development. Biology of Plants, 36. pp. 83-92.

Dahal, G. and Ortiz, R. and Tenkouano, A. and Hughes, J.d’A. and Thottappilly, G. and Vuylsteke, D. and Lockhart, B.E.L. (2000) Relationship between natural occurrence of banana streak badnavirus and symptom expression, relative concentration of viral antigen, and yield characteristics of some micropropagated Musa spp. Plant Pathology, 49 (1). pp. 68-79.

Sharma, H.C. and Ortiz, R. (2000) Transgenics, pest management, and the environment. Current Science, 79 (4). pp. 421-437.

Crouch, J.H. and Crouch, H.K. and Constandt, H. and Gysel, A.V. and Breyne, P. and Montagu, M.V. and Jarret, R.L. and Ortiz, R. (1999) Comparison of PCR-based molecular marker analyses of musa breeding populations. Molecular Breeding, 5 (3). pp. 233-244.

Peloquin, S.J. and Gabert, A.C. and Ortiz, R. (1996) Nature of `Pollinator' Effect in Potato (Solanum tuberosum L.) Haploid Production. Annals of Botany, 77 (5). pp. 539-542.