Mycoplasmalike Organisms as Causes of Slow Growth and Decline of Trees and Shrubs

Literature Cited

1. 1.↵
   1. Ahrens, U., and
   2. E. Seemüller

   . 1992. Detection of DNA of plant pathogenic mycoplasmalike organisms by a polymerase chain reaction that amplifies a sequence of the 16S rRNA gene. Phytopathology 82:828–832.

   OpenUrlCrossRefWeb of Science
2. 2.↵
   1. Baker, W. L.

   1949. Studies on the transmission of the virus causing phloem necrosis of American elm, with notes on the biology of its insect vector. J. Econ. Entomol. 42:729–732.

   OpenUrlCrossRef
3. 3.↵
   1. Bertaccini, A.,
   2. R.E. Davis,
   3. R.W. Hammond,
   4. M. Vibio,
   5. M.G. Bellardi, and
   6. I.-M. Lee

   . 1992. Sensitive detection of mycoplasmalike organisms in field-collected and in vitro propagated plants of Brassica, Hydrangea and Chrysanthemum by polymerase chain reaction. Ann. Appl. Biol. 121:593–599.

   OpenUrl
4. 4.↵
   1. Bertaccini, A.,
   2. R.E. Davis., and
   3. I.-M. Lee

   . 1990. Distinctions among mycoplasmalike organisms (MLOs) in Gladiolus, Ranunculus, Brassica, and Hydrangea through detection with nonradioactive cloned DNA probes. Phytopathol. Medit. 29:107–113.

   OpenUrl
5. 5.↵
   1. Bonnet, F.,
   2. C. Saillard,
   3. A. Kollar,
   4. E. Seemüller, and
   5. J.M. Bové

   . 1990. Detection and differentiation of the mycoplasmalike organism associated with apple proliferation disease using cloned DNA probes. Mol. Plant-Microbe Interact. 3:438–443.

   OpenUrl
6. 6.↵
   1. Boudon-Padieu, E.,
   2. J. Larrue, and
   3. A. Caudwell

   . 1989. ELISA and dot-blot detection of flavescence dorée-MLO in individual leafhopper vectors during latency and inoculative state. Curr. Microbiol. 19:357–364.

   OpenUrl
7. 7.↵
   1. Braun, E. J., and
   2. W.A. Sinclair

   . 1979. Phloem necrosis of elms: symptoms and histopathological observations in tolerant hosts. Phytopathology 69:354–358.

   OpenUrl
8. 8.↵
   1. Bricker, J. S. and
   2. J.C. Stutz

   . 1992. Etiology of Arizona ash decline. (Abstr.) Phytopathology 82:1170.

   OpenUrl
9. 9.↵
   1. Castello, J. D.,
   2. S.B. Silverborg, and
   3. P.D. Manion

   . 1985. Intensification of ash decline in New York State from 1962 through 1980. Plant Dis. 69:243–246.

   OpenUrl
10. 10.↵
    1. Cha, B., and
    2. T.A. Tattar

    . 1991. Symptom development of ash yellows and fluctuation of mycoplasma-like organism population in white ash (Fraxinus americana L.). Arboric. J. 15:323–343.

    OpenUrl
11. 11.↵
    1. Chen, J.,
    2. C.J. Chang, and
    3. R. Jarret

    . 1992. DNA probes as molecular markers to monitor the seasonal occurrence of walnut witches’-broom mycoplasmalike organism. Plant Dis. 76:1116–1119.

    OpenUrl
12. 12.↵
    1. Chiykowski, L. N., and
    2. R.C. Sinha

    . 1988. Some factors affecting the transmission of eastern peach X-mycoplasmalike organism by the leafhopper Paraphlepsius irroratus. Can. J. Plant Pathol. 10:85–92.

    OpenUrl
13. 13.↵
    1. Clark, M. F.,
    2. A. Morton, and
    3. S.L. Buss

    . 1989. Preparation of mycoplasma immunogens from plants and a comparison of polyclonal and monoclonal antibodies made against primula yellows MLO-associatedantigens. Ann. Appl. Biol. 114:111–124.

    OpenUrlCrossRef
14. 14.↵
    1. Conti, M.,
    2. G. D’Agostino, and
    3. L. Mittempergher

    . 1987. A recent epiphytotic of elm yellows in Italy. Proc. Medit. Phytopathol. Union. 7th Cong. pp. 208–209.
15. 15.↵
    1. Davies, D. L.,
    2. C.M. Guise,
    3. M.F. Clark, and
    4. A.N. Adams

    . 1992. Parry’s disease of pears is similar to pear decline and is associated with mycoplasma-like organisms transmitted by Cacopsylla pyricola. Plant Pathol. 41:195–203.

    OpenUrl
16. 16.↵
    1. Davis, R. E.,
    2. E.L. Dally,
    3. A. Bertaccini,
    4. I.-M. Lee,
    5. R. Credi,
    6. R. Osler,
    7. V. Savino,
    8. L. Carraro,
    9. B. Di Terlizzi, and
    10. M. Barba

    . 1993. Restriction fragment length polymorphism analyses and dot hybridizations distinguish mycoplasmalike organisms associated with flavescence dorée and southern European grapevine yellows disease in Italy. Phytopathology 83:772–776.

    OpenUrl
17. 17.↵
    1. Davis, R. E. and
    2. I.-M. Lee

    . 1992. Mycoplasmalike organisms as plant disease agents - a review. ATCC Quart. Newslett. 11:1, 8–111.

    OpenUrl
18. 18.↵
    1. Davis, R. E. and
    2. l.-M. Lee

    . 1993. Cluster-specific polymerase chain reaction amplification of 16S rDNA sequences for detection and identification of mycoplasmalike organisms. Phytopathology 83:1008–1011.

    OpenUrl
19. 19.↵
    1. Davis, R. E.,
    2. J.P. Prince,
    3. R.W. Hammond.,
    4. E.L. Dally, and
    5. I.-M. Lee

    . 1992. Polymerase chain reaction detection of Italian periwinkle virescence mycoplasmalike organism (MLO) and evidence for relatedness with aster yellows MLOs. Petria 2:184–193.

    OpenUrl
20. 20.↵
    1. Davis, R. E.,
    2. W.A. Sinclair,
    3. I.-M. Lee, and
    4. E.L. Dally

    . 1992. Cloned DNA probes specific for detection of a mycoplasmalike organism associated with ash yellows. Mol. Plant-Microbe Interact. 5:163–169.

    OpenUrl
21. 21.↵
    1. Denes, A. S. and
    2. R.C. Sinha

    ,. 1992. Alteration of clover phyllody mycoplasma DNA after in vitro culturing of phyllody-diseased clover. Can. J. Plant Pathol. 14:189–252.

    OpenUrl
22. 22.↵
    1. Deng, S.and
    2. C. Hiruki

    . 1991. Amplification of 16S rRNA genes from culturable and nonculturable mollicutes. J. Microbiol. Meth. 14:53–61.

    OpenUrlCrossRefWeb of Science
23. 23.↵
    1. Deng, S. and
    2. C. Hiruki

    . 1991. Genetic relatedness between two nonculturable mycoplasmalike organisms revealed by nucleic acid hybridization and polymerase chain reaction. Phytopathology 81:1475–1479.

    OpenUrlCrossRef
24. 24.↵
    1. Maramorosch, K., and
    2. Raychaudhuri, S. P.

    1. Doi, Y. and
    2. H. Asuyama

    . 1981. Paulownia witches’ broom disease, pp 135–145 In Maramorosch, K., and Raychaudhuri, S. P. (Eds). Mycoplasma Diseases of Trees and Shrubs. Academic Press, New York.
25. 25.↵
    1. Doi, Y.,
    2. M. Teranaka,
    3. K. Yora, and
    4. H. Asuyama

    . 1967. Mycoplasma- or PLTgroup-like microorganisms found in phloem elements of plants infected with mulberry dwarf, potato witches’broom, asteryellows, or paulownía witches’ broom. Ann. Phytopathol. Soc. Japan 33:259–266.

    OpenUrl
26. 26.↵
    1. Dyer, A. T. and
    2. W.A. Sinclair

    . 1991. Root necrosis and histological changes in surviving roots of white ash infected with mycoplasmalike organisms. Plant Dis. 75:814–819.

    OpenUrl
27. 27.↵
    1. Firrao, G.,
    2. E. Gobbi, and
    3. R. Locci

    . 1993. Use of polymerase chain reaction to produce oligonucleotide probes for mycoplasmalike organisms. Phytopathology 83:602–607.

    OpenUrl
28. 28.↵
    1. French, D. W.,
    2. S. Sundaram,
    3. B.E. Lockhart, and
    4. E. Hayes

    . 1989. First report of ash yellows in Minnesota. (Note) Plant Dis. 73:938.

    OpenUrl
29. 29.↵
    1. Garnier, M.,
    2. L. Zreik, and
    3. J.M. Bové

    . 1991. Witches’-broom, a lethal mycoplasmal disease of lime trees in the Sultanate of Oman and the United Arab Emirates. Plant Dis. 75:546–551.

    OpenUrl
30. 30.
    1. Gasch, J.,
    2. G. Pekny, and
    3. A. Krapfenbauder

    . 1991. MLO in den Siebröhren des Bastes erkrankter Eichen. Allg. Forstz. 46:500.

    OpenUrl
31. 31.↵
    1. Maramorosch, K., and
    2. Harris, K. F.

    1. Gold, R. E.

    1979. Leafhopper vectors and western X-disease. pp. 587–602 In Maramorosch, K., and Harris, K. F. (Eds). Leafhopper Vectors and Plant Disease Agents. Academic Press, New York.
32. 32.↵
    1. Griffiths, H. M.,
    2. W.A. Sinclair,
    3. R.E. Davis,
    4. I.-M. Lee,
    5. E.L. Dally,
    6. Y.-H. Guo,
    7. T.A. Chen, and
    8. C.R. Hibben

    . 1994. Characterization of mycoplasmalike organisms from Fraxinus, Syringa, and other plants from geographically diverse sites. Phytopathology 84 (in press).
33. 33.↵
    1. Gundersen, D. E.,
    2. I.-M. Lee,
    3. S.A. Rehner,
    4. R.E. Davis,, and
    5. D.T. Kingsbury

    . 1993. Phylogenetic analysis of the mycoplasmalike organisms: 16S rRNA and ribosomal protein gene sequences indicate they are monophyletic. (Abstr.) Phytopathology 83 (in press).
34. 34.↵
    1. Han, Y.,
    2. J.D. Castello, and
    3. D.J. Leopold

    ,. 1991. Ash yellows, drought, and decline in radial growth of white ash. Plant Dis. 75:18–23.

    OpenUrl
35. 35.↵
    1. Harrison, N. A.,
    2. C.M. Bourne,
    3. R.L. Cox,
    4. J.H. Tsai, and
    5. P.A. Richardson

    . 1992. DNA probes for detection of mycoplasmalike organisms associated with lethal yellowing disease of palms in Florida. Phytopathology 82:216–224.

    OpenUrl
36. 36.↵
    1. Hibben, C. R. and
    2. L.M. Franzen

    . 1989. Susceptibility of lilacs to mycoplasmalike organisms. J. Environ. Hortic. 7:163–167.

    OpenUrl
37. 37.↵
    1. Hibben, C. R.,
    2. C.A. Lewis, and
    3. J.D. Castello

    . 1986. Mycoplasmalike organisms, cause of lilac witches’-broom. Plant Dis. 70:342–345.

    OpenUrl
38. 38.↵
    1. Hibben, C. R. and
    2. S.B. Silverborg

    . 1978. Severity and causes of ash dieback. J. Arboric. 4:274–279.

    OpenUrl
39. 39.↵
    1. Hibben, C. R.,
    2. W.A. Sinclair,
    3. R.E. Davis, and
    4. J.H. Alexander

    . 1991. Relatedness of mycoplasmalike organisms associated with ash yellows and lilac witches’-broom. Plant Dis. 70:342–345.

    OpenUrl
40. 40.↵
    1. Hibben, C. R. and
    2. B. Wolanski

    . 1971. Dodder transmission of a mycoplasma from ash witches’-broom. Phytopathology 61:151–156.

    OpenUrl
41. 41.↵
    1. Hiruki, C.

    (Ed). 1988. Tree Mycoplasma Diseases and Epidemiology. University of Alberta Press, Edmonton. 245 PP-
42. 42.↵
    1. Holmes, F. O.,
    2. H. Hirumi, and
    3. K. Maramorosch

    . 1972. Witches’-broom of willow: Salix yellows. Phytopathology 62:826–828.

    OpenUrl
43. 43.↵
    1. Howard, F. W.,
    2. D.S. Williams, and
    3. R.C. Norris

    . 1984. Insect transmission of lethal yellowing to young palms. Int. J. Entomol. 26:331–338.

    OpenUrl
44. 44.↵
    1. Jensen, D. D.

    1971. Herbaceous host plants of western X-disease agent. Phytopathology 61:1465–1470.

    OpenUrl
45. 45.↵
    1. Jiang, Y. P.,
    2. T.A. Chen,
    3. L.N. Chiykowski, and
    4. R.C. Sinha

    . 1989. Production of monoclonal antibodies to peach western X-disease agent and their use in disease detection. Can. J. Plant Pathol. 4:325–331.

    OpenUrl
46. 46.↵
    1. Kartte, S. and
    2. E. Seemüller

    . 1991. Susceptibility of grafted Malus taxa and hybrids to apple proliferation disease. J. Phytopathol. 131:137–148.

    OpenUrl
47. 47.
    1. Balows, A.,
    2. Trüper, H. G.
    3. Dworkin, M.,
    4. Harder, W., and
    5. Schleifer, K. H.

    1. Kirkpatrick, B. C.

    1992. Mycoplasma-like organisms— plantand invertebrate pathogens, pp. 4050–4067 In Balows, A., Trüper, H. G. Dworkin, M., Harder, W., and Schleifer, K. H. (Eds). The Prokaryotes (2nd ed), Vol. 41. SpringerVerlag, New York.

    OpenUrl
48. 48.↵
    1. Stanek, G.,
    2. Casell, G. H.,
    3. Tully, J. G., and
    4. Whitcomb, R. F.

    1. Kirkpatrick, B. C.,
    2. G.A. Fisher,
    3. J.D. Fraser, and
    4. A.H. Purcell

    . 1990. Epidemiological and phylogenetic studies on western X-disease mycoplasmalike organisms, pp 288–297 In Stanek, G., Casell, G. H., Tully, J. G., and Whitcomb, R. F. (Eds). Recent Advances in Mycoplasmology. Int. J. Medical Microbiol., Ser. A. Suppl. 20.
49. 49.↵
    1. Kirkpatrick, B. C.,
    2. A.H. Purcell,
    3. J.L. Gao,
    4. G.F. Fisher, and
    5. J.K. Uyemoto

    . 1993. Atleast three genetically distinct MLOs cause pear decline and peach yellow leafroll diseases in California. (Abstr.) Phytopathology (in press).
50. 50.↵
    1. Kunkel, L. O.

    1926. Studies on aster yellows. Am. J. Bot. 23:646–705.

    OpenUrlCrossRef
51. 51.↵
    1. Kuske, C. R. and
    2. B.C. Kirkpatrick

    . 1992. Phylogenetic relationships between western aster yellows mycoplasmalike organism and other prokaryotes established by 16S rRNA gene sequence. Int. J. Syst. Bacteriol. 42:226–233.

    OpenUrlCrossRefPubMed
52. 52.↵
    1. Kuske, C. R.,
    2. B.C. Kirkpatrick,
    3. M.J. Davis, and
    4. E. Seemüller

    . 1991. DNA hybridization between western aster yellows mycoplasmalike organism plasmids and extrachromosomal DNA from other plant pathogenic mycoplasmalike organisms. Mol. Plant-Microbe Interact. 4:75–80.

    OpenUrl
53. 53.↵
    1. Kuske, C. R.,
    2. B.C. Kirkpatrick, and
    3. E. Seemüller

    . 1991. Differentiation of virescence MLOs using western aster yellows mycoplasma-like chromosomal DNA probes and restriction fragment length polymorphism analysis. J. Gen. Microbiol. 137:153–159.

    OpenUrlCrossRef
54. 54.↵
    1. Lanier, G. N.,
    2. D.C. Schubert, and
    3. P.D. Manion

    . 1988. Dutch elm disease and elm yellows in central New York. Plant Dis. 72:189–194.

    OpenUrl
55. 55.
    1. Lederer, W. and
    2. E. Seemüller

    . 1991. Association of mycoplasmas with a die-back of Sambucus nigra and S. racemose. Z. Pflanzenkr. Pflanzenschutz 98: 647–649.

    OpenUrl
56. 56.↵
    1. Lederer, W., and
    2. E. Seemüller

    . 1991. Occurrence of mycoplasma-like organisms in diseased and non-symptomatic alder trees (Alnus spp.). Eur. J. For. Pathol. 21:90–96.

    OpenUrl
57. 57.↵
    1. Lee, I.-M.,
    2. A. Bertaccini, and
    3. M. Vivio

    . 1993. Investigations on mycoplasmalike organisms infecting some fruit trees in Italy using polymerase chain reaction. Frutticoltura 55:77–79.

    OpenUrl
58. 58.↵
    1. Maniloff, J.,
    2. McElhaney, R. N.,
    3. Finch, L. R., and
    4. Baseman, J. B.

    1. Lee, I. M. and
    2. R.E. Davis

    . 1992. Mycoplasmas which infect plants and insects, pp. 379–390 In Maniloff, J., McElhaney, R. N., Finch, L. R., and Baseman, J. B. (Eds). Mycoplasmas: Molecular Biology and Pathogenesis. American Society for Microbiology, Washington, DC.
59. 59.↵
    1. Lee, I.-M.,
    2. D.E. Davis,
    3. T.A. Chen,
    4. L.N. Chiykowski,
    5. J. Fletcher,
    6. C. Hiruki, and
    7. D. A. Schaff

    . 1992. A genotype-based system for identification and classification of mycoplasmalike organisms (MLOs) in the aster yellows MLO strain cluster. Phytopathology 82:977–986.

    OpenUrlCrossRefWeb of Science
60. 60.↵
    1. Lee, I.-M.,
    2. R.E. Davis, and
    3. H.-T. Hsu

    . 1993. Differentiation of strains in the aster yellows mycoplasmalike organism strain cluster by serological assay with monoclonal antibodies. Plant Dis. 77:815–817.

    OpenUrl
61. 61.↵
    1. Lee, I.-M.,
    2. R.E. Davis,
    3. W.A. Sinclair,
    4. N.D. DeWitt, and
    5. M. Conti

    . 1993. Genetic relatedness of mycoplasmalike organisms detected in Ulmus spp. in the United States and Italy by means of DNA probes and polymerase chain reactions. Phytopathology 83:829–833.

    OpenUrlCrossRef
62. 62.↵
    1. Lee, I.-M.,
    2. D.E. Gundersen,
    3. R.E. Davis, and
    4. L.N. Chiykowski

    . 1992. Identification and analysis of a genomic strain cluster of mycoplasmalike organisms associated with Canadian peach (eastern) X disease, western X disease, and clover yellow edge. J. Bacteriol. 174:6694–6698.

    OpenUrlAbstract/FREE Full Text
63. 63.↵
    1. Lee, I.-M.,
    2. R.W. Hammond,
    3. R.E. Davis, and
    4. D.E. Gundersen

    . 1993. Universal amplification and analysis of pathogen 16S rDNA for classification and identification of mycoplasmalike organisms. Phytopathology 83:834–842.

    OpenUrlCrossRef
64. 64.↵
    1. Lim, P.-O. and
    2. B.B. Sears

    . 1989. 16S rRNA sequence indicates that plant-pathogenic mycoplasmalike organisms are evolutionarily distinct from animal mycoplasmas. J. Bacteriol. 171:5901–5906.

    OpenUrlAbstract/FREE Full Text
65. 65.
    1. Lim, P.-O. and
    2. B.B. Sears

    . 1991. DNA sequence of the ribosomal protein genes rp12 and rps19 from a plant-pathogenic mycoplasmalike organism. FEMS Microbiol. Lett. 84:71–74.

    OpenUrlCrossRef
66. 66.↵
    1. Lim, P.-O. and
    2. B.B. Sears

    . 1991. The genome size of a plant-pathogenic mycoplasmalike organism resembles that of animal mycoplasmas. J. Bacteriol. 173:2128–2130.

    OpenUrlAbstract/FREE Full Text
67. 67.↵
    1. Lim, P.-O. and
    2. B.B. Sears

    1992. Evolutionary relationships of a plant-pathogenic mycoplasmalike organism and Acholeplasma laidlawii deduced from two ribosomal protein gene sequences. J. Bacteriol. 174:2606–2611.

    OpenUrlAbstract/FREE Full Text
68. 68.↵
    1. Lin, C. P. and
    2. T.A. Chen

    1985. Monoclonal antibodies against the aster yellows agent. Science 227:1233–1235.

    OpenUrlAbstract/FREE Full Text
69. 69.↵
    1. Luley, C. J.,
    2. M.E. Mielke,
    3. J.D. Castello,
    4. J. Cummings Carlson,
    5. J. Appleby, and
    6. R. Hatcher

    . 1992. Ash crown condition and the incidence of ash yellows and other insects and diseases in Illinois, Iowa, Missouri, and Wisconsin. Plant Dis. 76:1209–1112.

    OpenUrl
70. 70.↵
    1. MacDaniels, L. H.,
    2. W.T. Johnson, and
    3. E.J. Braun

    . 1976. The black walnut bunch disease syndrome. Annu. Rep. North. Nut Growers Assoc. 66:71–87.

    OpenUrl
71. 71.↵
    1. Matteoni, J. A. and
    2. W.A. Sinclair

    . 1985. Role of the mycoplasmal disease, ash yellows, in decline of white ash in New York State. Phytopathology 75:355–360.

    OpenUrl
72. 72.↵
    1. Hiruki, C.

    1. Matteoni, J. A. and
    2. W.A. Sinclair

    . 1988. Elm yellows and ash yellows, pp. 19–31 In Hiruki, C. (Ed). Tree Mycoplasma Diseases and Epidemiology. University of Alberta Press, Edmonton.
73. 73.↵
    1. Matteoni, J. A. and
    2. W.A. Sinclair

    . 1989. A note on the presence of elm yellows in the Niagara Peninsula. Phytoprotection 70:137–139.

    OpenUrl
74. 74.↵
    1. Maurer, R.,
    2. E. Seemüller, and
    3. W.A. Sinclair

    . 1993. Genetic relatedness of mycoplasmalike organisms affecting elm, alder, and ash in Europe and North America. Phytopathology 83:971–976.

    OpenUrlCrossRef
75. 75.↵
    1. McCoy, R. E.

    (Ed). 1983. Lethal yellowing of palms. Bulletin 834 of the Florida Agricural Experiment Station, Gainesville. 100 pp.
76. 76.↵
    1. Whitcomb, R. F., and
    2. Tully, J. G.

    1. McCoy, R. E.,
    2. A. Caudwell,
    3. C.J. Chang,
    4. T.A. Chen,
    5. L.N. Chiykowski,
    6. M.T. Cousin,
    7. J.L. Dale,
    8. De G.T.N. Leeuw,
    9. D. Golino,
    10. K.J. Hackett,
    11. B.C. Kirkpatrick,
    12. R. Marwitz,
    13. H. Petzold,
    14. R.C. Sinha,
    15. M. Sugiura,
    16. R.F. Whitcomb,
    17. I.L. Yang,
    18. B.M. Zhu, and
    19. F. Seemüller

    . 1989. Plant diseases associated with mycoplasmalike organisms, pp. 545–640 In Whitcomb, R. F., and Tully, J. G. (Eds). The Mycoplasmas. Vol. 5. Spiroplasmas, Acholeplasmas, and Mycoplasmas of Plants and Arthropods. Academic Press, New York.
77. 77.↵
    1. McIntyre, J. L.,
    2. H. Schneider,
    3. G.H. Lacy,
    4. J.A. Dodds, and
    5. G.S. Walton

    . 1979. Pear decline in Connecticut and response of diseased trees to oxytetracycline infusion. Phytopathology 69:955–958.

    OpenUrl
78. 78.↵
    1. Mittempergher, L.,
    2. A. Fagani,
    3. F. Ferrini, and
    4. G. D’Agostino

    ., 1990. Elm yellows a disease to be taken into consideration when breeding elm for disease resistance. Proc. Medit. Phytopathol. Union 8th Cong. pp. 433–435.
79. 79.↵
    1. Nakashima, K.,
    2. S. Kato,
    3. S. Iwanami, and
    4. N. Murata

    . 1992. Cloning and detection of chromosomal and extrachromo-somal DNA from mycoplasmalike organisms that cause yellow dwarf disease of rice. Appl. Environ. Microbiol. 57:3570–3575.

    OpenUrl
80. 80.
    1. Nakashima, K. and
    2. N. Murata

    . 1993. Destructive plant diseases caused by mycoplasma-like organisms in Asia. Outlook on Agric. 22(1):53–58.

    OpenUrl
81. 81.↵
    1. Namba, S.,
    2. S. Kato,
    3. S. Iwanami,
    4. H. Oyaizu,
    5. H. Shiozawa, and
    6. T. Tsuchizaki

    . 1993. Detection and differentiation of plant-pathogenic mycoplasmalike organisms using polymerase chain reaction. Phytopathology 83:786–791.

    OpenUrlCrossRef
82. 82.↵
    1. Namba, S.,
    2. H. Oyaizu,
    3. S. Kato,
    4. S. Iwanami, and
    5. T. Tsuchizaki

    . 1993. Phylogenetic diversity of phytopathogenic mycoplasmalike organisms. Int. J. Syst. Bacteriol. 43:461–467.

    OpenUrlCrossRefPubMed
83. 83.↵
    1. Nault, L. R., and
    2. J.G. Rodríguez

    . (Eds). 1985. The Leafhoppers and Planthoppers. Wiley, New York. 500 pp.
84. 84.
    1. Okuda, S.,
    2. Y. Doi, and
    3. K. Yora

    . 1974. Mycoplasma-like bodies associated with chestnut yellows. Ann. Phytopathol. Soc. Japan 40:464–468.

    OpenUrl
85. 85.↵
    1. Pisi, A.,
    2. F. Marani, and
    3. A. Bertaccini

    . 1981. Mycoplasmalike organisms associated with elm witches’-broom symptoms. Phytopathol. Medit. 20:189–191.

    OpenUrl
86. 86.↵
    1. Plakidas, A. G.

    1949. Witch’s broom, a graft-transmissible disease of Arizona ash (Fraxinus berlandieri). (Abstr.) Phytopathology 39:498–499.

    OpenUrl
87. 87.↵
    1. Prince, J. P.,
    2. R.E. Davis,
    3. T.K. Wolf,
    4. I.-M. Lee,
    5. B.D. Mogen,
    6. E.L. Dally,
    7. A. Bertaccini,
    8. R. Credi, and
    9. M. Barba

    . 1993. Molecular detection of diverse mycoplasmalike organisms (MLOs) associated with grapevine yellows and their classification with aster yellows, X-disease, and elm yellows MLOs. Phytopathology 83:1130–1137.

    OpenUrlCrossRef
88. 88.↵
    1. Wilson, M. R., and
    2. Nault, L. R.

    1. Purcell, A. H.

    1987. Comparative epidemiology of X-disease in North America, pp 175–185 In Wilson, M. R., and Nault, L. R. (Eds). Proc. Second International Workshop on Leafhoppers and Planthoppers of Economic Importance. Commonwealth Institute of Entomology, London.
89. 89.↵
    1. Purcell, A. H.,
    2. J.R. Richardson, and
    3. A.H. Finlay

    . 1981. Multiplication of X-disease agent in a nonvector, Macrosteles fascifrons. Ann. Appl. Biol. 99:283–289.

    OpenUrlCrossRef
90. 90.
    1. Raju, B. C.,
    2. T.A. Chen, and
    3. E.H. Varney

    . 1976. Mycoplasmalike organisms associated with a witches’-broom disease of Cornusamomum. Plant Dis. Rep. 60:462–464.

    OpenUrl
91. 91.↵
    1. Schneider, B.,
    2. U. Ahrens,
    3. B.C. Kirkpatrick, and
    4. E. Seemüller

    . 1993. Classification of plant-pathogenic mycoplasma-like organisms using restriction site analysis of PCR-amplified 16S rDNA. J. Gen. Microbiol. 139:519–527.

    OpenUrlCrossRef
92. 92.↵
    1. Seemüller, E.

    1976. Investigations to demonstrate mycoplasmalike organisms in diseased plants by fluorescence microscopy. Acta Hortic. 67:109–112.

    OpenUrl
93. 93.
    1. Seemüller, E.

    1989. Mycoplasmas as the cause of diseases of woody plants in Europe, [in German] Forum Mikrobiol. 12:144–152.

    OpenUrl
94. 94.
    1. Seemüller, E. and
    2. W. Lederer

    . 1988. MLO-associated decline of Alnus glutinosa, Populus tremula, and Crataegus monogyna. Phytopathol. Z. 121:33–39.

    OpenUrl
95. 95.↵
    1. Seemüller, E.,
    2. U. Schaper, and
    3. L. Kunze

    . 1986. Effect of pear decline on pear trees on ‘Quince A’ and Pyrus communis seedling rootstocks. Z. Pflanzenkr. Pflanzenschutz 93:44–50.

    OpenUrl
96. 96.↵
    1. Seliskar, C. E.,
    2. G.E. KenKnight, and
    3. C.E. Bourne

    . 1974. Mycoplasmalike organism associated with pecan bunch disease. Phytopathology 64:1269–1272.

    OpenUrl
97. 97.↵
    1. Maramorosch, K., and
    2. Raychaudhuri, S. P.

    1. Seliskar, C. E. and
    2. C.L. Wilson

    . 1981. Yellows diseases of trees, pp. 35–96 In Maramorosch, K., and Raychaudhuri, S. P., (Eds). Mycoplasma Diseases of Trees and Shrubs. Academic Press, New York.
98. 98.
    1. Seliskar, C. E.,
    2. C.L. Wilson, and
    3. C.E. Bourne

    . 1973. Mycoplasmalike bodies found in phloem of black locust affected with witches’-broom. Phytopathology 63:30–34.

    OpenUrl
99. 99.↵
    1. Shaw, M. E.,
    2. B.C. Kirkpatrick, and
    3. D.A. Golino

    . 1993. The beet leafhopper-transmitted virescence agent causes tomato bigbud disease in California. Plant Dis. 77:290–295.

    OpenUrl
100. 100.↵
     1. Stipes, R. J., and
     2. Campana, R. J.

     1. Sinclair, W. A.

     1981. Elm yellows, pp 25–31 In Stipes, R. J., and Campana, R. J. (Eds). Compendium of Elm Diseases. American Phytopathological Society, St. Paul, MN.
101. 101.↵
     1. Sinclair, W. A.,
     2. H.M. Griffiths,
     3. R.E. Davis, and
     4. I.M. Lee

     . 1992. Detection of ash yellows mycoplasmalike organisms in different tree organs and in chemically preserved specimens by a DNA probe vs. DAPI. Plant Dis. 76:154–158.

     OpenUrl
102. 102.↵
     1. Sinclair, W. A.,
     2. H.M. Griffiths, and
     3. M. Treshow

     . 1993. Impact of ash yellows mycoplasmalike organisms on radial growth of naturally infected white, green, and velvet ash. Can. J. For. Res. 23:2467–2472.

     OpenUrl
103. 103.↵
     1. Sinclair, W. A.,
     2. H.M. Griffiths, and
     3. M. Treshow

     . 1994. Ash yellows in velvet ash in Zion National Park: high incidence but low impact. Utah. Plant Dis. 78: (in press)
104. 104.↵
     1. Sinclair, W. A.,
     2. R.J. luli,
     3. A.T. Dyer, and
     4. A.O. Larsen

     . 1989. Sampling and histological procedures for diagnosis of ash yellows. Plant Dis. 73:432–435.

     OpenUrl
105. 105.↵
     1. Sinclair, W. A.,
     2. R.J. luli,
     3. A.T. Dyer,
     4. P.T. Marshall,
     5. J.A. Matteoni,
     6. C.R. Hibben,
     7. G.R. Stanosz, and
     8. B.S. Burns

     . 1990. Ash yellows: geographic range and association with decline of white ash. Plant Dis. 74:604–607.

     OpenUrl
106. 106.↵
     1. Sinclair, W. A.,
     2. H.H. Lyon, and
     3. W.T. Johnson

     . 1987. Diseases of Trees and Shrubs. Cornell University Press, Ithaca, NY. 574 pp.
107. 107.↵
     1. Sinha, R. C. and
     2. L.N. Chiykowski

     . 1967. Multiplication of aster yellows virus in a nonvector leafhopper. Virology 31:461–466.

     OpenUrlPubMed
108. 108.↵
     1. Sticklen, M. B., and
     2. Sherald, J. L.

     1. Smalley, E. B.,
     2. R.P. Guries, and
     3. D.T. Lester

     . 1993. American Liberty elms and beyond: going from the impossible to the difficult. pp. 26–44 In Sticklen, M. B., and Sherald, J. L. (Eds). Dutch Elm Disease Research: Cellular and Molecular Approaches. Springer-Verlag, New York.
109. 109.↵
     1. Smallidge, P. J.,
     2. D.J. Leopold, and
     3. J.D. Castello

     . 1991. Structure and composition of forest stands affected and unaffected by ash yellows. Plant Dis. 75:13–18.

     OpenUrl
110. 110.↵
     1. Stack, R. W. and
     2. T.P. Freeman

     . 1988. First report of elm yellows in North Dakota. (Note) Plant Dis. 72:912.

     OpenUrl
111. 111.↵
     1. Whitcomb, R. F., and
     2. Tully, J. G.

     1. Tsai, J. H.

     1979. Vector transmission of mycoplasmal agents of plant diseases, pp. 265–307 In Whitcomb, R. F., and Tully, J. G. (Eds). The Mycoplasmas. Vol. III. Plant and Insect Mycoplasmas. Academic Press, New York.
112. 112.↵
     1. Hiruki, C.

     1. Tsai, J. H.

     1988. Lethal yellowing of coconut palms, pp. 99–107 In Hiruki, C. (Ed). Tree Mycoplasma Diseases and Epidemiology. University of Alberta Press, Edmonton.
113. 113.↵
     1. Uyemoto, J. K.,
     2. J.H. Connell,
     3. J.K. Hasey, and
     4. C.F. Luhn

     . 1992. Almond brown line and decline: a new disease probably caused by a mycoplasma-like organism. Ann. Appl. Biol. 120:417–424.

     OpenUrl
114. 114.↵
     1. Westwood, M. N. and
     2. H.R. Cameron

     1978. Environment-induced remission of pear decline symptoms. Plant Dis. Rep. 62:176–179.

     OpenUrl
115. 115.↵
     1. Westwood, M. N.,
     2. H.R. Cameron,
     3. P.B. Lombard, and
     4. C.B. Cordy

     . 1971. Effects of trunk and rootstock on decline, growth and performance of pear. J. Am. Soc. Hortic. Sci. 96:147–150.

     OpenUrl