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Impact Of Fungal Pathogens in Natural Forest Ecosystems: A Focus on Eucalypts

Chapter

5. Conclusions

Natural forest ecosystems have many indigenous pathogens associated with them, but genetic and age diversity of the host community prevents disease epidemics. This is the situation in undisturbed eucalypt forests in Australia. Disturbed ecosystems and plantations, however, are more susceptible to outbreaks because of a reduction in both genetic and age diversity and because of increased external stress. Observations and records of eucalypt pathogens and diseases in Australia are increasing. In addition, many new diseases are emerging on exotic eucalypt plantations throughout the world, especially in the tropics and sub-tropics. These emerging diseases pose a threat to native eucalypt forests in Australia. Vigilant and strictly applied quarantine measures are necessary to prevent the introduction of potentially devastating pathogens into Australia.

Keywords

Australasian Plant Pathology Eucalypt Plantation Stem Canker Plant Conservation Swan Coastal Plain 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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References

  1. Anagnostakis SL (1987) Chestnut blight: the classical problem of an introduced pathogen. Mycologia 79, 23–37.Google Scholar
  2. Augspurger CK, Kelly CK (1984) Pathogen mortality of tropical tree seedlings: experimental studies of the effect of dispersal distance, seedling density and light conditions. Oecologia 61, 211–217.CrossRefGoogle Scholar
  3. Barber PA, Keane PJ (1999) Foliar diseases of Eucalypts globulus (Blue Gum) in plantations in Victoria. In ‘Proceedings of the APPS 12th Biennial Conference, Asia-Pacific plant pathology for the new millennium, Canberra, 27–30 September.’ pp. 83 (Arawang Communication Group: Canberra)Google Scholar
  4. Bettucci L, Saravay M (1993) Endophytic fungi of Eucalyptus globulus: a preliminary study. Mycological Research 97, 679–682.Google Scholar
  5. Bever JD, Westover KM, Antonovics J (1997) Incorporating the soil community into plant population dynamics: the utility of the feedback approach. Journal of Ecology 85, 561–573.Google Scholar
  6. Boerboom JHA, Maas PWT (1970) Canker of Eucalyptus grandis and E. saligna in Surinam caused by Endothia havavensis. Turialba 20, 94–99.Google Scholar
  7. Bolland L, Tierney JW, Tierney BJ (1985) Studies on leaf spot and shoot blight of Eucalyptus caused by Cylindrocladium quinquiseptatum. European Journal of Forestry 15, 385–397.Google Scholar
  8. Borralho NMG (1997) Seed orchards or cuttings: which is best? In ‘Proceedings of the IUFRO conference on silviculture and improvement of eucalypts.’ Salvador, Brazil, 24–29 August. pp. 330–336 (EMBRAPA: Salvador)Google Scholar
  9. Bougher NL (1995) Diversity of ectomycorrhizal fungi associated with eucalypts in Australia. In ‘Mycorrhizas for plantation forestry in Asia.’ (Eds MC Brundrett, B Dell, N Malajczuk and M Gong) pp. 8–16 (ACIAR: Canberra)Google Scholar
  10. Brasier CM (1991) Ophiostoma novo-ulmi sp. nov., causative agent of current Dutch elm disease pandemics. Mycopathologia 115, 151–161.CrossRefGoogle Scholar
  11. Bright C (1998) ‘Life out of bounds: bioinvasion in a borderless world.’ (WW Norton: New York)Google Scholar
  12. Brooker MIH, Kleinig DA (1994) ‘Field guide to eucalypts Volume 3 Northern Australia.’ (Inkata Press: Sydney)Google Scholar
  13. Bruner SE (1916) A new species of Endothia. Mycologia 8, 239–242.Google Scholar
  14. Burdon JJ (1991) Fungal pathogens as selective forces in plant populations and communities. Australian Journal of Ecology 16, 423–432.Google Scholar
  15. Burley J (1987) Problems of tree seed certification in developing countries. Commonwealth Forestry Review 66, 151–159.Google Scholar
  16. Carnegie AJ, Keane PJ (1994) Further Mycosphaerella species associated with leaf diseases of Eucalyptus. Mycological Research 98, 413–418.CrossRefGoogle Scholar
  17. Carnegie AJ, Keane PJ, Ades PK, Smith IW (1994) Variation in susceptibility of Eucalyptus globulus provenances to Mycosphaerella leaf disease. Canadian Journal of Forestry Research 24, 1751–1757.Google Scholar
  18. Carnegie AJ, Keane PJ Podger FD (1997) The impact of three species of Mycosphaerella newly recorded on Eucalyptus in Western Australia. Australasian Plant Pathology 26, 71–77.CrossRefGoogle Scholar
  19. Carroll G (1988) Fungal endophytes in stems and leaves: from latent pathogen to mutualistic symbiont. Ecology 69, 2–9.Google Scholar
  20. Castello JD, Leopold DJ, Smallidge PJ (1995) Pathogens, patterns and processes in forest ecosystems. BioScience 45, 16–24.Google Scholar
  21. Commonwealth of Australia (1992) ‘Endangered species protection act.’ (Commonwealth Government Printer: Canberra)Google Scholar
  22. Cotterill PP, Brolin A (1997) Improving Eucalyptus wood, pulp and paper quality by genetic selection. In ‘Proceedings of the IUFRO conference on silviculture and improvement of eucalypts, Salvador, Brazil, 24–29 August.’ pp. 1–14. (EMBRAPA: Salvador)Google Scholar
  23. Coutinho TA, Wingfield MJ, Alfenas AC, Crous PW (1998) Eucalyptus rust: A disease with the potential for serious international implications. Plant Disease 82, 819–825.Google Scholar
  24. Crous PW (1998) ‘Mycosphaerella spp. and their anamorphs associated with leaf spot diseases of Eucalyptus.’ (APS Press: St Paul, Minnesota)Google Scholar
  25. Crous PW, Phillips AJL, Wingfield MJ (1991) The genera Cylindrocladium and Cylindrocladiella in South Africa, with special reference to forest nurseries. South African Forestry Journal 157, 69–85.Google Scholar
  26. Crous PW, Wingfield MJ (1994) A monograph of Cylindrocladium, including anamorphs of Calonectria. Mycotaxon LI, 341–435.Google Scholar
  27. Crous PW, Wingfield MJ, Mohammad C, Yuan ZQ (1998) New foliar pathogens of Eucalyptus from Australia and Indonesia. Mycological Research 102, 527–532.CrossRefGoogle Scholar
  28. Davison EM (1994) Role of the environment in dieback injarrah: Effects of waterlogging on jarrah and Phytophthora cinnamomi and infection of jarrah by P. cinnamomi. Journal of the Royal Society of Western Australia 77, 123–126.Google Scholar
  29. Davison EM, Coates DJ (1991) Identification of Cryphonectria cubensis and Endothia gyrosa from eucalypts in Western Australia using isozyme analysis. Australian Plant Pathology 20, 157–160.Google Scholar
  30. Davison EM, Shearer BL (1989) Phytophthora spp. in indigenous forests of Australia. New Zealand Journal of Forest Science 19, 277–289.Google Scholar
  31. Davison EM, Tay CS (1983) Twig, branch and upper trunk cankers of Eucalyptus marginata. Plant Disease 67, 1285–1287.Google Scholar
  32. Day WR (1950) Forest hygiene. II. The imperfection of the environment and its importance in the management of forests. Empire Forestry Journal 29, 307–315.Google Scholar
  33. Dell, B, Aggangan N, Lu X, Malajczuk N, Pampolina N, Xu D (2000) Role of ectomycorrhizal fungi in eucalypt plantations. Mycorrhizal Fungi Biodiversity and Applications of Inoculation Technology. In ‘Proceedings of the international workshop on mycorrhiza, Guangzhou, 1998.’ (Eds N Gong, D Xu, C Zhong, Y Chen, B Dell, MC Brundrett) pp. 161–167. (China Forestry Publishing House: Beijing)Google Scholar
  34. Eldridge RH, Simpson JA (1987) Development of contingency plans for use against exotic pests and diseases of trees and timber. 3. Histories of control measures against some introduced pests and diseases of forests and forest products in Australia. Australian Forestry 50, 24–36.Google Scholar
  35. Gibson IAS (1981) A canker disease new to Africa. FOA, Forest Genetics Resources Information 10, 23–24.Google Scholar
  36. Gilbert GS, Hubbell SP, Foster RB (1994) Density and distance-to-adult effects of a canker disease of trees in a moist tropical forest. Oecologia 98, 100–108.CrossRefGoogle Scholar
  37. Graniti A (1998) Cypress Canker: A pandemic in progress. Annual Review of Phytopathology 36, 91–114.PubMedCrossRefGoogle Scholar
  38. Hansen EM (1999) Disease and diversity in forest ecosystems. Australasian Plant Pathology 28, 313–319.CrossRefGoogle Scholar
  39. Hardy GEStJ, Sivasithamparam (2002) Phytosanitary considerations in species recovery programs. In ‘Microorganism in plant conservation and biodiversity.’ (Eds K Sivasithamparam, KW Dixon and RL Barrett) pp. 335–365. (Kluwer Academic Publishers: Dordrecht)Google Scholar
  40. Hodges CS, Alfenas AC, Ferreira FA (1986) The conspecificity of Cryphonectria cubensis and Endothia eugeniae. Mycologia 78, 334–350.Google Scholar
  41. Hodges CS, Gaery TF, Cordell CE (1979) The occurrence of Diaporthe cubensis on Eucalyptus in Florida, Hawaii and Puerto Rico. Plant Disease Report 63, 216–220.Google Scholar
  42. Hubbes, M (1999) The American elm and Dutch elm disease. The Forestry Chronicle 75, 265–273.Google Scholar
  43. Ivory, MH (1999) Foliage diseases of eucalypts in Queensland. In ‘Proceedings of the APPS 12th Biennial Conference, Asia-Pacific plant pathology for the new millennium.’ Canberra, 27–30 September 1999. (Arawang Communication Group: Canberra)Google Scholar
  44. Kile GA (2000) Woody root rots of eucalypts. In ‘Diseases and pathogens of eucalypts.’ (Eds PJ Keane, GA Kile, FD Podger and BN Brown) pp. 293–306. (CSIRO Publishing: Melbourne)Google Scholar
  45. Kile GA, Harrington TC, Yuan ZQ, Dudzinski MJ, Old KM (1996) Ceratocystis eucalypti sp. nov., a vascular stain fungus from eucalypts in Australia. Mycological Research 100, 571–579.CrossRefGoogle Scholar
  46. Kile GA, McDonald GI, Byler JW (1991) Ecology and disease in natural forests. In: ‘Armillaria root disease.’ (Eds CGI Shaw and GA Kile) Agriculture Handbook No. 691. pp. 102–121 (USDA: Washington)Google Scholar
  47. Ladiges PW (1997) Phylogentic history and classification of eucalypts. In ‘Eucalypt ecology: individuals and ecosystems.’ (Eds JE Williams and JCZ Woinarski) pp. 16–29. (Cambridge University Press: Cambridge)Google Scholar
  48. Laundon GF, Waterson JM (1965) ‘Puccinia psidii.’ (Commonwealth Mycological Institute: Kew)Google Scholar
  49. Love G, Yainshet A, Dlugoz J (1999) Forests products: Outlook in regional markets to 2003–04. In ‘National stakeholder timber pest conference.’ 20–22 April 1999. pp. 3–15.(AQIS: Canberra)Google Scholar
  50. Manion PD (1981) ‘Tree disease concepts.’ (Prentice-Hall: New Jersey)Google Scholar
  51. Marlatt RB, Kimbrough JW (1979) Puccinia psidii and Pimento dioica in South Florida. Plant Disease 63, 510–512.Google Scholar
  52. Maxwell A, Hardy GE St. J, Wingfield MJ, Dell, B (2000) First record of Mycosphaerella lateralis on Eucalyptus in Australia. Australasian Plant Pathology 29, 279.CrossRefGoogle Scholar
  53. Milgate AW, Yuan ZQ, Vaillancourt, RE, Powell MB, Mohammad C (1997) Mycosphaerella species associated with leaf blotch of Eucalyptus globulus and Eucalyptus nitens in Tasmanian plantations. In ‘Proceedings of the APPS 11th Biennial Conference, Perth, 29 September–2 October.’ pp. 20. (APPS: Perth)Google Scholar
  54. Mills KE, Bever JD (1998) Maintenance of diversity within plant communities: soil pathogens as agents of negative feedback. Ecology 79, 1595–1601.Google Scholar
  55. Myburgh H, Wingfield BD, Wingfield MJ (1999) Phylogeny of geographically diverse isolates of Cryphonectria cubensis and allied species inferred from DNA analysis. Mycologia 91, 243–250.Google Scholar
  56. Old KM, Davison EM (2000) Canker diseases of eucalypts. In ‘Diseases and pathogens of eucalypts.’ (Eds PJ Keane, GA Kile, FD Podger and BN Brown) pp. 241–258. (CSIRO Publishing: Melbourne)Google Scholar
  57. Old KM, Dudzinski M (1998) Forest pathogen introductions to Australia: experiences, threats and counter measures. Current and potential impacts of pitch canker in radiata pine. In ‘Proceedings IMPACT Monterey workshop, Monterey, CA, USA.’ 30 Nov. to 3 Dec. 1998. (CSIRO Australia: Melbourne)Google Scholar
  58. Old KM, Gibbs R, Craig I, Myers BJ, Yuan ZQ (1990) Effect of drought and defoliation on the susceptibility of eucalyptus to cankers caused by Endothia gyrosa and Botryosphaeria ribis. Australian Journal of Botany 38, 571–581CrossRefGoogle Scholar
  59. Old KM, Murray DIL, Kile GA, Simpson J, Malafant KWJ (1986) The pathology of fungi isolated from eucalypt cankers in south-eastern Australia. Australian Forest Research 16, 21–36.Google Scholar
  60. O’Neill G (2000) Resistance is useless. The Bulletin, November 28, pp. 44–45.Google Scholar
  61. Packer A, Clay, K (2000) Soil pathogens and spatial patterns of seedling mortality in a temperate tree. Nature 404, 278–281.PubMedCrossRefGoogle Scholar
  62. Palm ME (1999) Mycology and world trade: a view from the front line. Mycologia 91, 1–12.Google Scholar
  63. Park RF, Keane PJ (1984) Further Mycosphaerella species causing leaf diseases of Eucalyptus. Transactions of the British Mycological Society 89, 93–105.Google Scholar
  64. Park RF, Keane PJ, Wingfield MJ, Crous PW (2000) Fungal diseases of eucalypt foliage. In ‘Diseases and pathogens of eucalypts.’ (Eds PJ Keane, GA Kile, FD Podger and BN Brown) pp. 153–240. (CSIRO Publishing: Melbourne)Google Scholar
  65. Pearce MH, Malajczuk N, Kile GA (1986) The occurrence and effects of Armillaria luteobubalina in the karri (Eucalyptus diversicolor F. Muell.) forests of Western Australia. Australian Journal of Forest Research 16, 243–259.Google Scholar
  66. Podger FD, Kile GA, Watling R, Fryer J (1978) Spread and effects of Armillaria luteobuhalina sp. nov. in an Australian Eucalyptus regnans plantation. Transactions of the British Mycological Society 71, 77–87.CrossRefGoogle Scholar
  67. Potts BM, Pederick LA (2000) Morphology, phylogeny, origin, distribution and genetic diversity of the eucalypts. In ‘Diseases and pathogens of eucalypts.’ (Eds PJ Keane, GA Kile, FD Podger and BN Brown) pp. 11–34. (CSIRO Publishing: Melbourne)Google Scholar
  68. Poynton, RJ (1979) ‘Tree planting in southern Africa. Vol. 2. The eucalypts.’ (Department of Forestry: Republic of South Africa)Google Scholar
  69. Pyror LD (1956) Chlorosis and lack of vigour in seedlings of renantherous species of Eucalyptus caused by lack of mycorrhiza. Proceedings of the Linnaean Society NSW 81, 91–96.Google Scholar
  70. Roux J, Wingfield MJ, Bouillet J-P, Wingfield BD, Alfenas AC (2000) A serious new wilt disease of Eucalyptus caused by Ceratocystis fimbriata in central Africa. Forest Pathology: 30, 175–184.CrossRefGoogle Scholar
  71. Sharma JK, Mohanan C, Florence EJM (1985) The occurrence of Cryphonectria canker of Eucalyptus in Kerala, India. Annals of Botany 106, 265–279.Google Scholar
  72. Shearer BL (1994) The major plant pathogens occurring in native ecosystems of south-western Australia. Journal of the Royal Society of Western Australia 77, 113–122.Google Scholar
  73. Shearer BL (1995) Impact and symptoms of Armillaria luteobubalina in rehabilitation plantings of Eucalyptus saligna in forests of Eucalyptus marginala in south-western Australia. Australasian Plant Pathology 24, 77–81.CrossRefGoogle Scholar
  74. Shearer BL, Dillon M (1996) Impact and disease centre characteristics of Phytophthora cinnamomi infestations of Banksia woodlands on the Swan Coastal Plain, Western Australia. Australian Journal of Botany 44, 79–90.Google Scholar
  75. Shearer BL, Tippett JT (1988) Distribution and impact of Armillaria luteobubalina in the Eucalyptus marginata forest of south-western Australia. Australian Journal of Botany 36, 433–445.CrossRefGoogle Scholar
  76. Shearer BL, Tippett JT (1989) ‘Jarrah dieback: The dynamics and management of Phytophthora cinnamomi in the jarrah (Eucalyptus marginata) forests of south-western Australia.’ (Department of Conservation and Land Management: Perth)Google Scholar
  77. Shearer BL, Tippett JT, Bartle JR (1987) Botryosphaeria ribis infection associated with death of Eucalyptus radiata in species selection trials. Plant Disease 71, 140–145.Google Scholar
  78. Shearer BL, Smith IW (2000) Diseases of eucalypts caused by soilborne species of Phytophthora and Pythium. In ‘Diseases and pathogens of eucalypts.’ (Eds PJ Keane, GA Kile, FD Podger and BN Brown) pp. 259–291. (CSIRO Publishing: Melbourne)Google Scholar
  79. Smith H, Kemp GHJ, Wingfield MJ (1994) Canker and die-back of Eucalyptus in South Africa caused by Botryosphaeria dothidea. Plant Pathology 43, 1031–1034.Google Scholar
  80. Smith H, Wingfield MJ, Coutinho TA (1998) Eucalyptus die-back in South Africa associated with Colletotrichun gloeosporioides. South African Journal of Botany 64, 226–228.Google Scholar
  81. Smith H, Wingfield MJ, Petrini O (1996) Botryosphaeria dothidea endophytic in Eucalyptus grandis and Eucalyptus nitens in South Africa. Forest Ecology and Management 89, 189–195.CrossRefGoogle Scholar
  82. Stone J, Petrini O (1997) Endophytes of forest trees: a model for fungus-pathogen interactions. In ‘Plant relationships. The Mycota V, Part B.’ (Eds G Carroll and B Tudzynski) pp. 129–140. (Springer-Verlag: Berlin)Google Scholar
  83. Turnbull JW (2000) Economic and social importance of eucalypts. In ‘Diseases and pathogens of eucalypts.’ (Eds PJ Keane, GA Kile, FD Podger and BN Brown) pp. 1–10. (CSIRO Publishing: Melbourne)Google Scholar
  84. van der Westhuizen IP, Wingfield MJ. Kemp GHJ, Swart WJ (1993) First report of the canker pathogen Endothia gyrosa on Eucalyptus in South Africa. Plant Pathology 42, 661–663.Google Scholar
  85. van Heerden SW, Wingfield MJ, Coutinho TA, van Zyl LM, Wright JA (1997) Diversity of Cryphonectria cubensis isolates in Venezuela and Indonesia. In ‘Proceedings of the IUFRO conference on silviculture and improvement of eucalypts, Salvador, Brazil, 24–29 August 1997.’ pp. 142–146 (EMBRAPA: Salvador)Google Scholar
  86. van Zyl LM (1999) Factors associated with Coniothyrium canker of Eucalyptus in South Africa. In ‘Microbiology and Biochemistry.’ pp. 193. (University of the Orange Free State: Bloemfontein)Google Scholar
  87. van Zyl LM, Wingfield MJ, Alfenas AC, Crous PW (1998) Population diversity amongst isolates of Cryphonectria cubensis. Forest Ecology and Management 112, 41–47.Google Scholar
  88. Waldlow TJ (1999) Endothia gyrosa associated with severe stem cankers on plantation grown Eucalyptus nitens in Tasmania, Australia. European Journal of Forest Pathology 29, 199–208.Google Scholar
  89. Walker J (1987) Development of contingency plans for use against exotic pests and diseases of trees and timber. 1. Problems with the detection and identification of exotic plant pathogens of forest trees. Australian Forestry 50, 5–15.Google Scholar
  90. Walker J, Old KM, Murray DIL (1985) Endothia gyrosa on Eucalyptus in Australia with notes on some other species of Endothia and Cryphonectria. Mycotaxon 23, 353–370.Google Scholar
  91. Weste G (1986) Vegetation changes associated with invasion by Phytophthora cinnamomi on defined plots in the Brisbane Ranges, Victoria, 1975–1985. Australian Journal of Botany 29, 261–276.Google Scholar
  92. Wills RT (1993) The ecological impact of Phytophthora cinnamomi in the Stirling Range National Park. Australian Journal of Ecology 171, 145–159.Google Scholar
  93. Wingfield MJ (1999) Pathogens in exotic plantation forestry. International Forestry Review 1, 163–168.Google Scholar
  94. Wingfield MJ, Crous PW, Coutinho TA (1997) A serious canker disease of Eucalyptus in South Africa caused by a new species of Coniothyrium. Mycopathologia 136, 139–145.Google Scholar
  95. Wingfield MJ, Slippers B, Roux J, Wingfield BD (2001) Worldwide movement of exotic forest fungi especially in the tropics and Southern Hemisphere. Bioscience: 51, 134–140.Google Scholar
  96. Wingfield MJ, Swart WJ, Abear BJ (1989) First record of Cryphonectria canker of Eucalyptus in South Africa. Phytophylactica 21, 311–313.Google Scholar
  97. Yuan ZQ, Mohammed C (2000) The pathogenicity of isolates of Endothia gyrosa to Eucalyptus nitens and E. globulus. Australasian Plant Pathology 29, 29–35.Google Scholar
  98. Yuan ZQ (1999) ‘Fungi associated with diseases delected during health surveys of eucalypt plantations in Tasmania. A report on the project funded by the FWPRDC Fellowship.’ (School of Agricultural Science, University of Tasmania: Hobart)Google Scholar

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© Kluwer Academic Publishers 2002

Authors and Affiliations

  1. 1.Forestry and Agriculture Biotechnology Institute (FABI)University of PretoriaPretoriaRSA

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