1. Park, W.M., Yoon, K.E., Chung, S.Y. and Ryu, K.H. 1990. Identification of odontoglossum ringspot virus isolated from Cymbidium goeringii Reichenbach in Korea. Korean Journal of Plant Pathology 6:387-392.

2. Park, W.M., Ryu, K.H. and Choi, J.K. 1990. Properties and purification of cucumber mosaic virus As strain. Korean Journal of Plant Pathology 6:393-401.

3. Park, W.M., Ryu, K.H. and Choi, J.K. 1990. Serological diagnosis of cucumber mosaic virus. Korean Journal of Plant Pathology 6:402-408.

4. Park, W.M., Yoon, K.E., Chung, S. Y. and Ryu, K.H. 1990. Purification and serological detection of odontoglossum ringspot virus isolated from Cymbidium goeringii in Korea. Korean Journal of Plant Pathology 6:474-481.

5. Park, W.M., Ryu, K.H., Koh, H.K. and Lee, S.Y. 1990. Diagnosis of cucumber mosaic virus using ³²P and biotinylated cDNA probe. Korean Journal of Plant Pathology 6:482-490.

6. Park, W.M., Kim, W.G., Ryu, K.H., Yoon, K.E., Kwack, B.H. and So, I.S. 1990. Detection of odontoglossum ringspot virus and cymbidium mosaic virus from cultivated orchids by immunosorbent electron microscopy. Journal of the Korean Society for Horticultural Science 31:417-422.

7. Yoon, K.E., Chung, S.Y., Ryu, K.H. and Park, W.M. 1991. Detection of odontoglossum ringspot virus by enzyme-linked immunosorbent assay in Cymbidium orchids. Journal of the Korean Society for Horticultural Science 32:419-423.

8. Kim, S.H., Ryu, K.H., Park, W.M., Lee, S.Y. and Park, Y.I. 1992. Determination of nucleotide sequence of cDNA of the coat protein gene encoded by RNA4 of cucumber mosaic virus-As. Plant Molecular Biology & Biotechnology Research Center Annual Report 153-165.

9. Kim, H.Y., Ryu, K.H. and Yoon, K.E. 1992. Transformation of Chinese cabbage (Brassica campestris spp. pekinensis(Lour.) Olsson), radish (Raphanus sativus L.), turnip (Brassica rapa L.), and wasabi (Wasabia japonica Matsum) with Agrobacterium tumefaciens. Plant Molecular Biology & Biotechnology Research Center Annual Report 251-259.

10. Kim, S.H., Baek, J.E., Ryu, K.H., Park, W.M. and Park, Y.I. 1993. Determination of nucleotide sequences of 3' end region of TuMV RNA containing coat protein gene. Plant Molecular Biology & Biotechnology Research Center Annual Report 149-154.

11. Park, W.M., Ryu, K.H., Lee, G.P. and Park, K.W. 1993. Transmission of tobacco mosaic virus in hydroponics. Plant Molecular Biology & Biotechnology Research Center Annual Report 165-175.

12. Ryu, K.H., Park, W.M., Choi, C.W., Choi, S.R., Yoon, K.E. and Lee, S.Y. 1993. Detection of double stranded ribonucleic acid from virus infected plants. Korean Journal of Plant Pathology 9:112-117.

13. Ryu, K.H., Choi, C.W. and Park, W.M. 1994. Sequence announcements. EMBL accession #78966. Plant Molecular Biology 25:757.

14. Ryu, K.H. and Park, W. M. 1994. Complementary DNA cloning of genomic RNA in orchid strain of tobacco mosaic virus. Journal of Plant Biology 37:349-355.

15. Ryu, K.H. and Park, W.M. 1994. Construction of complementary DNA library and cDNA cloning for Cy strain of odontoglossum ringspot virus genomic RNA. Korean Journal of Plant Pathology 10:228-234.

16. Ryu, K.H. and Park, W.M. 1994. Complementary DNA cloning and restriction mapping of nuclear inclusion body and coat protein genes of turnip mosaic virus Ca strain genomic RNA. Korean Journal of Plant Pathology 10:235-239.

17. Ryu, K.H., Kim, W.G. and Park, W.M. 1994. Ultrastructure of Cymbidium leaf tissue systemically infected with odontoglossum ringspot virus. Korean Journal of Electron Microscopy 24:46-54.

18. Ryu, K.H. and Park, W.M. 1994. Nucleotide sequence analysis of the cDNA clone of 34K movement protein gene of odontoglossum ringspot virus, ORSV-Cy, the Korean isolate. Plant Molecular Biology 26:995-999.

19. Ryu, K.H. and Park, W.M. 1994. Nucleotide sequence analysis of odontoglossum ringspot virus coat protein gene. Plant Molecular Biology & Biotechnology Research Center Annual Report 195-206.

20. Park, W.M., Ryu, K.H., Kim, S.J. and Chin, M.S. 1994. Occurrence of virus disease on sweet potato in Korea. Plant Molecular Biology & Biotechnology Research Center Annual Report 207-217.

21. Ryu, K.H. and Park, W.M. 1995. Sequence announcements.  EMBL accession # X80158, X81051 and X82130. Plant Molecular Biology 27:635-636.

22. Ryu, K.H. and Park, W.M. 1995. Construction of plant expression vector for coat protein gene of cucumber mosaic virus As strain for plant transformation. Korean Journal of Plant Pathology 11:66-72.

23. Ryu, K.H., Choi, J.K. and Park, W.M. 1995. Analysis of the coat protein gene of odontoglossum ringspot virus-Cy(Korean isolate). Molecules and Cells 5:181-186.

24. Ryu, K.H., Yoon, K.E., Chung, S.Y. and Park, W.M. 1995. Occurrence of cymbidium mosaic virus and odontoglossum ringspot virus in Korea. Plant Disease 79:321-321.

25. Ryu, K.H., Yoon, K.E. and Park, W.M. 1995. Cloning and sequencing of a cDNA encoding the coat protein of Korean isolate of cymbidium mosaic virus. Gene 156:303-304.

26. Ryu, K.H., Choi, C.W., Choi, J.K. and Park, W.M. 1995. Cloning of the 3'-terminal region encoding movement and coat proteins of a Korean isolate of odontoglossum ringspot virus. Archives of Virology 140:481-490.

27. Ryu, K.H., Choi, C.W., Kim, S.J. and Park, W.M. 1995. The 52K protein gene of odontoglossum ringspot virus containing RNA-dependent RNA polymerase motifs and comparisons with other tobamoviruses. Journal of Plant Biology 38:129-136.

28. Choi, J.K, Ryu, K.H., Choi, G.S. and Park, W.M. 1995. Nucleotide sequence analysis and secondary structure modeling of the 3'-noncoding regions of two Korean strains of turnip mosaic virus. Korean Journal of Plant Pathology 11:271-277.

29. Ryu, K.H. and Park, W.M. 1995. The complete nucleotide sequence and genome organization of odontoglossum ringspot tobamovirus RNA. Archives of Virology 140:1577-1587.

30. Ryu, K.H. and Park, W.M. 1995. Rapid detection and identification of odontoglossum ringspot virus by polymerase chain reaction amplification. FEMS Microbiology Letters 133:265-269.

31. Ryu, K.H., Chung, S.Y., Yoon, K.E. and Park, W.M. 1995. Molecular cloning and sequencing of the 3'-terminal region of cymbidium mosaic virus genomic RNA and structural analysis of the 3'-noncoding region. Molecules and Cells 5:522-528.

32. Ryu, K.H., Yoon, K.E. and Park, W.M. 1995. Detection by RT-PCR of cymbidium mosaic virus in orchids. Journal of Phytopathology 143:643-646.

33. Ryu, K.H. and Park, W.M. 1995. Complementary DNA hybridization analysis of double-stranded RNAs associated with cucumber mosaic virus-As strain. Journal of Phytopathology 143:683-687.

34. Park, W.M., Ryu, K.H., Kim, S.J. and Choi, J.K. 1995. Rapid detection and identification of cucumber mosaic virus by reverse transcription and polymerase chain reaction(RT-PCR) and restriction analysis. Journal of Plant Biology 38:267-274.

35. Park, W.M., Ryu, K.H., Kim, S.J. and Ahn, H.I. 1995. Detection and identification of odontoglossum ringspot virus by polymerase chain reaction. Plant Molecular Biology & Biotechnology Research Center Annual Report 347-357.

36. Ryu, K.H., Chung, S.Y., Yoon, K.E. and Park, W.M. 1995. Sequencing of the 3'-terminal region of cymbidium mosaic virus RNA and structural analysis of the 3'-noncoding region. Plant Molecular Biology & Biotechnology Research Center Annual Report 359-369.

37. Park, W.M., Kim, G.H. and Ryu, K.H. 1995. Identification of mycovirus and development of mycovirus-free oyster mushroom. Daesan Nonchong 3:62-79.

38. Chung, S.Y., Yoon, K.E., Ryu, K.H. and Park, W.M. 1996. Detection of cymbidium mosaic virus from orchids by reverse transcription and polymerase chain reaction amplification of the viral coat protein and 3'-noncoding region sequence. Journal of the Korean Society for Horticultural Science 37:158-165.

39. Kim, S.J., Ryu, K.H. and Park, W.M. 1996. Sweet potato feathery mottle virus : its characterization, gene cloning and detection methods. Plant Molecular Biology & Biotechnology Research Center Annual Report 69-70.

40. Park, W.M., Kim, S.J. and Ryu, K.H. 1996. Diagnosis of plant virus disease. Plant Molecular Biology & Biotechnology Research Center Annual Report 71-72.

41. Kim, S.J., Park, W.M., Ryu, K.H., Lee, S.S. and Lee, S.Y. 1997. Effect of timing of IPTG addition on expression of turnip mosaic virus coat protein gene in Escherichia coli. Korean Journal of Plant Pathology 13:248-254.

42. Park, W.M., Kim, S.J. and Ryu, K.H. 1997. Sweet potato feathery mottle virus : II. Nucleotide sequence determination of the coat protein gene. Plant Molecular Biology & Biotechnology Research Center Annual Report 75-75.

43. Shim, G.B. and Ryu, K.H. 1998. Diagnosis of major viruses from various orchids in Korea. Yonam Coll. Animal Husbandary & Horticulture Journal 17:81-92.

44. Park, W.M. and Ryu, K.H. 1998. Diagnosis of plant viruses. Plant  Virology Review, p.27-40, Professor Dr. So IY Memorial Book.

45. Ryu, K.H., Kim, S.J. and Park, W.M. 1998. Nucleotide sequence analysis of the coat protein genes of two Korean isolates of sweet potato feathery mottle potyvirus. Archives of Virology 143:557-562.

46. Ryu, K.H., Kim, C.H. and Palukaitis, P. 1998. The coat protein of cucumber mosaic virus is a host range determinant for infection of maize. Molecular Plant-Microbe Interactions 11:351-357.

47. Ryu, K.H., Kim, S.J. and Park, W.M. 1998. Incidence of cymbidium mosaic and odontoglossum ringspot viruses in Cymbidium and other orchids in Korea. Journal of the Korean Society for Horticultural Science 39:213-217.

48. Park, W.M., Shim, K.B., Kim, S.J. and Ryu, K.H. 1998. Detection of cymbidium mosaic virus and odontoglossum ringspot virus by ELISA and RT-PCR from cultivated orchids in Korea. Korean Journal of Plant Pathology 14:130-135.

49. Park, W.M., Choi, S.R., Kim, S.J., Choi, S.K. and Ryu, K.H. 1998. Characterization and RT-PCR detection of turnip mosaic virus isolated from Chinese cabbage in Korea. Korean Journal of Plant Pathology 14:223-228.

50. Kim, S.J., Ryu, K.H., Choi, J.K. and Park, W.M. 1998. Sequence analysis of the coat protein and 3'-noncoding region for Korean and other strains of sweet potato feathery mottle virus. Molecules and Cells 8:777-785.

51. Ryu, K.H., Lee, G.P., Park, K.W., Lee, S.Y. and Park, W.M. 1998. Transgenic tobacco plants expressing the coat protein of cucumber mosaic virus show different virus resistance. Journal of Plant Biology 41:255-261.

52. Ahn, H.L., Ryu, J.H., Kim, J.K., Lee, S.Y., Park, W.M. and Ryu, K.H. 1998. Nucleotide sequence analysis of the coat protein gene of two Korean isolates of lily symptomless carlavirus. Plant Molecular Biology & Biotechnology Research Center Annual Report

53. Park, W.M., Lee, G.P., Ryu, K.H. and Park, W.M. 1999. Transmission of tobacco mosaic virus in recirculating hydroponic system. Scientia Horticulturae 79:217-226.

54. Ahn, H.I., Ryu, J.H., Kim, J.K., Lee, S. Y., Choi, J.K., Park, W.M. and Ryu, K.H. 1999. Nucleotide sequence analysis of two Korean isolates of lily symptomless carlavirus and expression of the coat protein in E. coli. Molecules and Cells 9:338-343.

55. Choi, S.K., Choi, J.K., Park, W.M. and Ryu, K.H. 1999. RT-PCR detection and identification of three species of cucumoviruses with a genus-specific single pair of primers. Journal of Virological Methods 83:67-73.

56. Ryu, K.H. 1999. Overview of gene structure and function of plant viruses. Biowave 1(2): In: Current Reviews from Biological Research Information Center, http://bric.postech.ac.kr/webzine.

57. 류기현 1999. 난바이러스병과 예방대책. 한국춘란 7:123-130.

58. 심걸보, 류기현. 2000. 백합에서 백합잠재 바이러스와 오이 모자이크 바이러스의 RT-PCR 검정. 연암축산대학 논문집 19:49-56.

59. Ryu, K.H. 2000. Virus Recombination and Environmental Risk Assessment of Genetically Modified Plant. Biowave 2(1): In: Current Reviews from Biological Research Information Center, http://bric.postech.ac.kr/webzine.

60. Ryu, K.H., Lee, S.S., Choi, S.H., Yoon, J.Y. and Park, W.M. 2000. Sequence analysis of the coat protein gene of a Korean isolate of iris severe mosaic potyvirus from iris plant. The Plant Pathology Journal 16:36-42.

61. Kim, C.S., Lee, G.P., Han, D.H., Ryu, K.H. and Lee, C.H. 2000. Classification and identification of Pyrus pyrifolia using RAPD. Journal of the Korean Society for Horticultural Science 41:119-124.

62. Kim, C.S., Lee, G.P., Han, D.H., Ryu, K.H. and Lee, C.H. 2000. SCARs markers derived from RAPD for cultivar identification in Pyrus pyrifolia. Journal of the Korean Society for Horticultural Science 41:125-128.

63. Kim, C.S., Lee, G.P., Han, D.H., Ryu, K.H. and Lee, C.H. 2000. Molecular phylogeny of Pyrus pyrifolia based on the 18S rDNA sequences. Journal of the Korean Society for Horticultural Science 41:129-134.

64. Ryu, K.H., Choi, S.H. and Lee, J.S. 2000. Restriction primers as short as 6-mers for PCR amplification of bacterial and plant genomic DNA and plant viral RNA. Molecular Biotechnology 14:1-3.

65. Choi, C.W., Park, S.H., Choi, J.K., Ryu, K.H. and Park, W.M. 2000. PCR determination of tobacco mosaic virus inactivation by chemical disinfectants. Acta Virologica 44:145-149.

66. Ryu, K.H., Min, B.E., Choi, G.S., Choi, S.H., Kwon, S.B., Noh, G.M., Yoon, J.Y., Choi, Y.M., Jang, S.H., Lee, G.P., Cho, K.H. and Park, W.M. 2000. Zucchini green mottle mosaic virus is a new tobamovirus: comparison of its coat protein gene with that of kyuri green mottle mosaic virus. Archives of Virology 145:2325-2333.

67. Ryu, K.H. and Palukaitis, P. 2000. Mapping analysis of virus sequences affecting host range and movement of CMV. The Plant Pathology Journal 16:79-82.

68. Ryu, K.H., Park, H.W., Min, B.E., Chung, S.Y., Chiang, M.H. and Choi, S.H. 2000. Molecular detection and control of cucumber green mottle mosaic virus in Cucurbitaceae crop plants. Daesan Nonchong 8:23-34.

69. Ryu, J.H., Park, H.W., Park, W.M., Lee, S.Y. and Ryu, K.H. 2000. Molecular analysis of the 3'-terminal region of lily latent Carlavirus from Lilium lancitoium. The Plant Pathology Journal 16:231-235.

70. Jung, H.J., Ueda, S., Ryu, K.H., Lee, S.Y. and Choi, J.K. 2000. A novel strain of Cucumber mosaic virus isolated from Lilium longiflorum. The Plant Pathology Journal 16:306-311.

71. Li, Q., Ryu, K.H. and Palukaitis, P. 2001. Cucumber mosaic virus-plant interactions: Identification of 3a protein sequences affecting infectivity, cell-to-cell movement, and long-distance movement. Molecular Plant-Microbe Interactions 14:378-385.

72. Yoon, J.Y., Min, B.E., Choi, S.H. and Ryu, K.H. 2001. Completion of nucleotide sequence and generation of highly infectious transcripts to cucurbits from full-length cDNA clone of Kyuri green mottle mosaic virus. Archives of Virology 146: 2085-2096.

73. Yoon, J.Y., Min, B.E., Choi, J.K. and Ryu, K.H. 2002. Genome structure and production of biologically active in vitro transcripts of cucurbits-infecting Zucchini green mottle mosaic virus. Phytopathology 92:156-163.

74. Choi, S. K., Choi, J. K., Ryu, K. H. and Park, W. M. 2002. Generation of Infectious cDNA Clones of a Korean Strain of Tomato Aspermy Virus. Molecules and Cells 12:52-60.

75. Ryu, K. H. and Choi, S. H. 2002. Molecular detection and analysis of Sweet potato feathery mottle virus from root and leaf tissues of cultivated sweet potato plants. The Plant Pathology Journal 18:12-17.