Admissions | Faculty | Contact Us | Jobs | Monarch

Local Weather
University of Illinois at Urbana-Champaign logo.

Crop Sciences

College of Agricultural, Consumer, and Environmental Sciences
University of Illinois at Urbana-Champaign
Ram J. Singh  

Ram J. Singh

Agronomist - Soybean Cytogenetics
236 National Soybean Research Center
MC 637
1101 W Peabody Dr
Urbana, IL 61801

Primary Disciplines: Plant Breeding, Genetics and Cytogenetics

Ph: (217) 333-8144
ramsingh@illinois.edu

Publications:

Pie Chart

Soybean Barley Rye Wheat Rice Contribution of Ram Singh

Book Covers

Click on a book for more information.

Plant Cytogenetics   Plant Cytogenetics - 2nd Ed.
Grain Legumes   Cereals   Vegetable Crops   Oilseed Crops

Books in Press or Preparation:

CHAPTERS IN BOOK

  1. Khush, G. S. and R. J. Singh.  1986.  Relationships between Linkage Groups and Cytologically Identifiable Chromosomes of Rice.  In Rice Genetics.  Island Publishing House Inc. Manila, Philippines.  pp. 239-248.
  2. Hymowitz, T., and R. J. Singh.  1987.  Taxonomy and Speciation.  In Soybeans: Improvement, Production and Uses - Revision, Edited by J. R. Wilcox, ASA, Madison, Wisconsin.  pp. 23-48.
  3. Khush, G. S., and R. J. Singh. 1991. Chromosome Architecture and Aneuploidy in Rice. In Chromosome Engineering in Plants: Genetics, Breeding and Evolution, Edited by T. Tsuchiya and P. K. Gupta, Elsvier Sci. Pub., Amsterdam, The Netherlands. pp. 577-598.
  4. Hymowitz, T., R. G. Palmer, and R. J. Singh. 1991. Cytogenetics of the Genus Glycine. In Chromosome Engineering in Plants: Genetics, Breeding and Evolution, Edited by T. Tsuchiya and P. K. Gupta, Elsevier Sci. Pub., Amsterdam, The Netherlands. pp. 53-63.
  5. Hymowitz, T., R. J. Singh, and K. P. Kollipara, 1998. The Genomes of the Genus Glycine. Plant Breed Rev.16: 289-317.
  6. Singh, R. J., and G. S. Khush. 2000. Cytogenetics of Rice. In: Rice Breeding and Genetics-  Research Priorities and Challanges. Edited by J. S. Nanda, Science Pub. Inc., Enfield,    New Hampshire, U.S.A. pp. 287-311.
  7. Singh, R. J. 2002.  Chromosomal and Genetic Aberrations in Transgenic Soybean. In: Molecular Methods of Plant Analysis: “Testing for Genetic manipulation”. Edited by J. F. Jackson, H. F. Linskens and R. B. Inman. Springer-Verlag Berlin Heidelberg. pp. 153-168.
  8. Singh, R. J. 2005. Landmark Research in Grain Legumes. In: Genetic Resources, Chromosome Engineering, and Crop Improvement Series: Grain Legumes- Volume 1. Edited by Ram J. Singh, and Prem P. Jauhar. CRC Press (Taylor & Francis Group). pp. 1-9.
  9. Singh, R. J. 2005. Utilization of Genetic Resources for Barley Improvement. In: Genetic Resources, Chromosome Engineering, and Crop Improvement Series: Cereals- Volume 2. Edited by Ram J. Singh, and Prem P. Jauhar. CRC Press (Taylor & Francis Group. pp. 233-255
  10. Costa, J. M., and R. J. Singh. 2005. Chromosome Mapping in Barley (Hordeum vulgare L.). In: Genetic Resources, Chromosome Engineering, and Crop Improvement Series: Cereals-Volume 2 . Edited by Ram J. Singh, and Prem P. Jauhar. CRC Press (Taylor & Francis Group). pp. 257-280.
  11. Singh, R. J., and A. Lebeda. 2007. Landmark Research in Vegetable Crops. In: Genetic Resources, Chromosome Engineering, and Crop Improvement Series: Vegetable Crops- Volume 3 . Edited by Ram J. Singh, CRC Press (Taylor & Francis Group). pp. 1-15
  12. Singh, R. J.,  2007. Landmark Research in Oilseed Crops. In: Genetic Resources, Chromosome Engineering, and Crop Improvement Series: Oilseed Crops- Volume 4 . Edited by Ram J. Singh CRC Press (Taylor & Francis Group). pp. 1-12.
  13. Singh, R. J., R. L. Nelson, and G. H. Chung. 2007. Soybean [Glycine max (L.) Merr.]. In: Genetic Resources, Chromosome Engineering, and Crop Improvement Series: Oilseed Crops- Volume 4 . Edited by Ram J. Singh CRC Press (Taylor & Francis Group). pp. 13-50.

Papers

  1. Gill, N. S., and R. J. Singh. 1970. Effect of soil substrate and re treatment on cold test response of seed corn (Zea mays L.). Proc. Assoc. Off. Seed Anal. 60:181-187.
  2. Singh, R. J. 1970. Hybrid vigor in Bajra (Pennisetum typhoides S. & H.). Indian J. Agr. Sci. 40: 974-976.
  3. Singh, R. J., and T. Tsuchiya. 1975. Hypertriploid plants in barley (Hordeum vulgare L.). Caryologia 28: 89-98.
  4. Singh, R. J., and T. Tsuchiya. 1975. Pachytene chromosomes of barley. J. Hered. 66: 165-167.
  5. Singh, R. J., and T. Lelley. 1975. Giemsa banding in meiotic chromosomes of rye, Secale cereale L. Z. Pflanzenzüchtg. 75: 85-89.
  6. Singh, R. J., and G. Röbbelen. 1975. Comparison of somatic Giemsa banding pattern in several species of rye. Z. Pflanzenzüuchtg. 75: 270-285.
  7. Singh, R. J., and G. Röbbelen. 1976. Giemsa banding technique reveals deletions within rye chromosomes in addition lines. Z. Pflanzenzüchtg. 76: 11-18.
  8. Singh, R. J., G. Röbbelen, and M. Okamoto. 1976. Somatic association at interphase studied by Giemsa banding technique. Chromosoma (Berl.) 56: 265-273.
  9. Singh, R. J., and G. Röbbelen. 1977. Identification by Giemsa technique of the translocation separating cultivated rye from three wild species of Secale. Chromosoma (Berl.) 59: 217-225.
  10. Singh, R. J. 1977. Cross compatibility, meiotic pairing and fertility in five Secale species and their interspecific hybrids. Cereal Res. Comm. 5: 67-75.
  11. Singh, R. J. 1977. Evidence of heterochromatin polymorphism through crossing over. Wheat Inf. Serv. 44: 19-21.
  12. Singh, R. J., and T. Tsuchiya. 1977. Morphology, fertility, and transmission in seven monotelotrisomics of barley. Z. Pflanzenzüchtg. 78: 327-340.
  13. Singh, R. J., and H. Ikehashi. 1981. Monogenic male sterility in rice: Induction, identification and inheritance. Crop Sci. 21: 286-289.
  14. Singh, R. J., and T. Tsuchiya. 1981. Ring chromosomes in barley (Hordeum vulgare L.). Chromosoma (Berl.) 82: 133-141.
  15. Singh, R. J., and T. Tsuchiya. 1981. Cytological study of the telocentric chromosomes in seven monotelotrisomics of barley. Bot. Gaz. 142: 267-273.
  16. Singh, R. J., and T. Tsuchiya. 1981. Identification and designation of barley chromosomes by Giemsa banding technique: a reconsideration. Z. Pflanzenzüchtg 86: 336-340.
  17. Singh, R. J., and T. Tsuchiya. 1982. An improved Giemsa N-banding technique for the identification of barley chromosomes. J. Hered. 73: 227-229.
  18. Tsuchiya, T., and R. J. Singh. 1982. Chromosome mapping in barley by means of telotrisomic analysis. Theor. Appl. Genet. 61: 201-208.
  19. Singh, R. J., and T. Tsuchiya. 1982. Identification and designation of telocentric chromosomes in barley by means of Giemsa N-banding technique. Theor. Appl. Genet. 64: 13-24.
  20. Singh, R. J., G. S. Khush, and T. W. Mew. 1983. A new gene for resistance to bacterial blight in rice. Crop Sci. 23: 558-560.
  21. Khush, G. S., R. J. Singh, S. C. Sur, and A. L. Librojo. 1984. Primary trisomics of rice: Origin, morphology, cytology and use in linkage mapping. Genetics 107: 141-163.
  22. Singh, R. J. 1984 The regeneration of milkweed (Asclepias spp.) plants from hypocotyl callus, cell suspension cultures and hypocotyl protoplast. Z. Pflanzenzüchtg. 92: 95-101.
  23. Tsuchiya, T., R. J. Singh, A. Shahla, and A. Hang. 1984. Acrotrisomic analysis in linkage mapping in barley (Hordeum vulgare L.) Theor. Appl. Genet. 68: 433-440.
  24. Singh, R. J., and T. Hymowitz. 1985. An intersubgeneric hybrid between Glycine tomentella Hayata and the soybean, G. max (L.) Merr. Euphytica 34: 187-192.
  25. Singh, R. J., and T. Hymowitz. 1985. Intra- and interspecific hybridization in the genus Glycine subgenus Glycine Willd.: Chromosome pairing and genome relationships. Z. Pflanzenzüchtg. 95: 289-310
  26. Singh, R. J., and T. Hymowitz. 1985. The genomic relationships among six wild perennial species of the genus Glycine subgenus Glycine Willd. Theor. Appl. Genet. 71: 221-230.
  27. Singh, R. J., and T. Hymowitz. 1985. Diploid-like meiotic behavior in synthesized amphiploids of the genus Glycine Willd. subgenus Glycine. Can. J. Genet. Cytol. 27: 655-660.
  28. Singh, R. J. 1986. Chromosomal variation in immature embryo derived calluses of barley (Hordeum vulgare L.). Theor. Appl. Genet. 72: 710-716.
  29. Do Valle, C. B., R. J. Singh, and D. A. Miller. 1987. Pachytene chromosomes of Brachiaria ruziziensis Germain et Evrard. Plant Breed. 98: 75-78.
  30. Singh, R. J., and T. Hymowitz. 1987. Intersubgeneric crossability in the genus Glycine Willd. Plant Breed. 98: 171-173.
  31. Singh, R. J., K. P. Kollipara, and T. Hymowitz. 1987. Intersubgeneric hybridization of soybeans with a wild perennial species, Glycine clandestina Wendl. Theor. Appl. Genet. 74: 391-396.
  32. Singh, R. J., K. P. Kollipara, and T. Hymowitz. 1987. Polyploid complexes of Glycine tabacina (Labill.) Benth. and G. tomentella Hayata revealed by cytogenetic analysis. Genome 29: 490-497.
  33. Singh, R. J., K. P. Kollipara, and T. Hymowitz. 1988. Further data on the genomic relationships among wild perennial species (2n=40) of the genus Glycine Willd.. Genome 30: 166-176.
  34. Singh, R. J., and T. Hymowitz. 1988. The genomic relationship between Glycine max (L.) Merr. and G. soja Sieb. and Zucc. as revealed by pachytene chromosome analysis. Theor. Appl. Genet. 76: 705-711.
  35. Singh, R. J., and T. Hymowitz. 1989. The genomic relationships among Glycine soja Sieb. and Zucc., G. max (L.) Merr. and `G. gracilis' Skvortz. Plant Breed. 103: 171-173.
  36. Singh, R. J., K. P. Kollipara, and T. Hymowitz. 1989. Ancestors of 80 and 78-chromosome Glycine tomentella Hayata (Leguminosae). Genome 32: 796-801.
  37. Hymowitz, T., R. J. Singh, and R. P. Larkin. 1990. Long-distance dispersal: The case for the allopolyploids Glycine tabacina (Labill.) Benth. and G. tomentella Hayata in the West-Central Pacific. Micronesica 23: 5-13.
  38. Singh, R. J., K. P. Kollipara, and T. Hymowitz. 1990. Back cross-derived progeny from Soybean and Glycine tomentella Hayata intersubgeneric hybrids. Crop Sci. 30: 871-874.
  39. Singh, R. J., and T. Hymowitz. 1991. Identification of four primary trisomics of soybean by pachytene chromosome analysis. J. Hered. 82: 75-77.
  40. Singh, R. J., and F. L. Kolb. 1991. Chromosomal interchanges in six hexaploid oat genotypes. Crop Sci. 31: 726-729.
  41. Griffor, M. C., L. O. Vodkin, R. J. Singh, and T. Hymowitz. 1991. Fluorescent in situ hybridization to soybean metaphase chromosomes. Plant Mol. Biol. 17: 101-109.
  42. Singh, R. J., and T. Hymowitz. 1991. Cytogenetics of a synthesized allopentaploid (2n= 5x =100) in the genus Glycine Willd. subgenus Glycine. Genome 34: 751-756.
  43. Singh, R. J., K. P. Kollipara, F. Ahmad, and T. Hymowitz. 1992. Putative diploid ancestors of 80 - chromosome Glycine tabacina (Labill.) Benth. Genome 35: 140-146.
  44. Singh, R. J., K. P. Kollipara, and T. Hymowitz. 1992. Genomic relationships among diploid wild perennial species of the genus Glycine Willd. subgenus Glycine revealed by cytogenetics and seed protein electrophoresis. Theor. Appl. Genet. 85: 276-282.
  45. Ahmad, F., R. J. Singh, and T. Hymowitz. 1992. Cytological evidence for four new primary trisomics in soybean. J. Hered. 83: 221-224.
  46. Singh, R. J., and T. Tsuchiya. 1993. Cytogenetics of two novel compensating diploid in barley (Hordeum vulgare L.). Genome 36: 343-349.
  47. Singh, R. J., and T. Tsuchiya. 1993. Cytogenetics of an unstable trisomic in barley (Hordeum vulgare L.). Genome 36: 350-355.
  48. Singh, R. J., K. P. Kollipara, and T. Hymowitz. 1993. Backcross (BC2-BC4)-derived fertile plants from Glycine max (L.) Merr. and G. tomentella Hayata intersubgeneric hybrids. Crop Sci. 33: 1002-1007.
  49. Kollipara, K. P., R. J. Singh, and T. Hymowitz. 1993. Genomic diversity in aneudiploid (2n=38) and diploid (2n=40) Glycine tomentella Hayata revealed by cytogenetic and biochemical methods. Genome 36: 391-396.
  50. Kollipara, K. P., R. J. Singh, and T. Hymowitz. 1994. Genomic diversity and multiple origins of tetraploid (2n=78, 80) Glycine tomentella Hayata. Genome 37: 448-459.
  51. Kollipara, K. P., R. J. Singh, and T. Hymowitz. 1995. Genomic relationships in the genus Glycine (Fabaceae: Phaseoleae): Use of a monoclonal antibody to the soybean Bowman-Birk inhibitor as a genome marker. Amer. J. Bot. 82: 1104-1111.
  52. Kollipara, K. P., R. J. Singh, and T. Hymowitz. 1996. Inheritance of protease inhibitors in Glycine tomentella Hayata (2n=38), a perennial relative of soybean. J. Hered.87: 461-463
  53. Singh, R. J., K. P. Kollipara, and T. Hymowitz. 1996. Development of hybrids between wild perennial soybeans and Glycine max (L.) Merr. and resistance to Phakopsora pachyrhizi Syd. In Soybean Rust Workshop, 9-11 August 1995. Edited by J.B. Sinclair and G.L. Hartman, College of Agriculture, Consumer, and Environmental Sciences, National Soybean Research Laboratory Publ. No.1, Urbana, Illinois. pp 46-51.
  54. Kollipara, K. P., R. J. Singh, and T. Hymowitz. 1997. Phylogenetic and genomic relationships in the genus Glycine Willd. based on sequence from the ITS region of nuclear rDNA. Genome 40: 57-68.
  55. Singh, R. J., T. M. Klein, C. J. Mauvais, S. Knowlton, T. Hymowitz, and C. M. Kostow. 1998. Cytological characterization of the transgenic soybean. Theor. Appl. Genet. 96: 319 - 324.
  56. Singh, R. J., K. P. Kollipara, and T. Hymowitz. 1998. The genomes of Glycine canescens F. J. Herm., and G. tomentella Hayata of Western Australia and their phylogenetic relationships in the genus Glycine Willd. Genome 41: 669-679.
  57. Singh, R. J., K. P. Kollipara, and T. Hymowitz. 1998. Monosomic alien addition lines derived from Glycine max (L.) Merr. and G. tomentella Hayata: Production, characterization, and breeding behavior. Crop Sci.38: 1483-1489.
  58. Riggs, R. D., S. Wang, R. J. Singh, and T. Hymowitz. 1998. Possible transfer of resistance to Heterodera glycines from Glycine tomentella to Glycine max. J. Nematol. 30: 547-552.
  59. Singh, R. J., and T. Hymowitz. 1999. Soybean genetic resources and crop improvement. Genome 42: 605-616.
  60. Xu, S. J., Singh, R. J., K. P. Kollipara, and T. Hymowitz. 2000. Hypertriploid in soybean: origin, identification, cytology and breeding behavior. Crop Sci. 40: 72-77.
  61. Xu, S. J., R. J. Singh, and T. Hymowitz. 2000. Monosomics in soybean: origin, identification, cytology and breeding behavior. Crop Sci. 40: 985-989.
  62. Xu, S. J., R. J. Singh, K. P. Kollipara, and T. Hymowitz.2000. Primary trisomics in soybean: origin, identification, breeding behavior, and use in gene mapping. Crop Sci. 40: 1543-1551.
  63. Cregan, P. B., K. P. Kollipara, S. J. Xu, R. J. Singh, and T. Hymowitz.2001. Primary trisomics and SSR markers as tools to associate chromosomes with linkage groups in soybean. Crop Sci.41: 1262-1267.
  64. Singh, R. J., H. H. Kim, and T. Hymowitz. 2001. Distribution of rDNA loci in the genus Glycine Willd. Theor. Appl. Genet. 103: 212-218.
  65. Zou, J. J., R. J. Singh, and T. Hymowitz. 2003. Association of the yellow leaf-10 (y-10) mutant to soybean chromosome3. J. Hered. 94: 352-354.
  66. Zou, J. J., R. J. Singh, J. Lee, S. J. Xu, P. B. Cregan, and T. Hymowitz. 2003. Assignment of molecular linkage groups to soybean chromosomes by primary trisomics. Theor. Appl. Genet. 107: 745-75.
  67. Zou, J. J., R. J. Singh, and T. Hymowitz. 2004. SSR marker and ITS cleaved amplified polymorphic sequence analysis of soybean x Glycine tomentella intersubgeneric derived lines. Theor. Appl. Genet. 109:769-774.
  68. Zou, J. J., R. J. Singh, J. Lee, S. J. Xu and T. Hymowitz. 2006. SSR markers exhibit trisomics segregation distortion in soybean [Glycine max (L.) Merr.]. Crop Sci. 46: 1456-1461.
  69. Singh, R. J., G. H. Chung, and R. L. Nelson. 2007. Landmark research in legumes. Genome 50: 525-537.
  70. Singh, R. J. and G. H. Chung. 2007. Cytogenetics of Soybean: Progress and Prospective. The Nucleus (In Press).

Return to previous page.