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Biocontrol of Common St. Johnswort (Hypericum perforatum) with Chrysolina hyperici and a Host-Specific Colletotrichum gloeosporioides

Published online by Cambridge University Press:  12 June 2017

Kimberly D. Morrison ,
Edward G. Reekie  and
Klaus I. N. Jensen
Kimberly D. Morrison
Affiliation:
Biology Department, Acadia University, Wolfville, NS, Canada BOP 1X0
Edward G. Reekie
Affiliation:
Biology Department, Acadia University, Wolfville, NS, Canada BOP 1X0
Klaus I. N. Jensen
Affiliation:
Agriculture and Agri-Food Canada, Atlantic Food and Horticulture Research Centre, Kentville, NS B4N 1J5
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Abstract

Common St. Johnswort is widespread in eastern Canada but it seldom constitutes a serious weed problem. A demographic study conducted in 1993 and 1994 at four typical undisturbed sites indicated that 36 to 96% of established St. Johnswort shoots died during the growing season. Mortality was always associated with infection by a host-specific Colletotrichum gloeosporioides. The leaf-feeding beetle Chrysolina hyperici occurred at all sites and caused maximum midsummer defoliation of 27% in 1993 and 51% in 1994. Healthy plants readily recovered from defoliation during pupation of the fourth instar of the insect in June and following adult estivation in August. Although widespread, C. hyperici populations appear transient and alone do not cause sustained feeding pressure resulting in weed control. When Chrysolina larvae and adults were collected at six field sites and placed on healthy seedlings under controlled conditions, up to 36% of the plants became infected with C. gloeosporioides. Scanning electron micrographs commonly showed Colletotrichum conidia among the setae on legs, tarsal pads, and antennae of adults and larvae. In a series of three experiments conducted under controlled conditions in which Chrysolina larvae and adults were placed on healthy plants after feeding on diseased ones, the incidence of infection ranged from 63 to 100%. Hence, under favorable conditions Chrysolina adults may selectively transmit the pathogen in the field. This study demonstrated the potential of enhancing biological control of weeds by insects with the integration of an effective, host-specific pathogen.

Keywords

Common St. Johnswort, Hypericum perforatum L. # HYPPEChrysolina hyperici (Forester) (Coleoptera: Chrysomelidea)Colletotrichum gloeosporioides (Penz.) Penz. & Sacc.Classical biological controldiseasedemographyherbivoryintegrated controlAphis chlorisC.g.-hypericum, Colletotrichum gloeosporioides f. sp. hypericumPDA, potato dextrose agar
Type
Research
Information
Weed Technology , Volume 12 , Issue 3 , September 1998 , pp. 426 - 435
Copyright
Copyright © 1998 by the Weed Science Society of America 

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References

Literature Cited

Auld, B. A. and Morin, L. 1995. Constraints in the development of bioherbicides. Weed Technol. 9:638–652.Google Scholar
Butler, F. C. 1951. Anthracnose and seedling blight of Bathurst burr caused by Colletotrichum xanthii Halst. Aust. J. Agric. Sci. 2:401–410.Google Scholar
Campbell, C. L. and McCaffrey, J. P. 1991. Population trends, seasonal phenology, and impact of Chrysolina quadrigemina, C. hyperici (Coleoptera: Chrysomelidae), and Agrilis hyperici (Coleoptera: Buprestidae) associated with Hypericum perforatum in northern Idaho. Environ. Entomol. 20:303–315.Google Scholar
Campbell, M. H. and Delfosse, E. S. 1984. The biology of Australian weeds 13. Hypericum perforatum L. J. Aust. Inst. Agric. Sci. 50:63–73.Google Scholar
Charudattan, R. 1986. Integrated control of waterhyacinth (Eichhornia crassipes) with a pathogen, insects and herbicides. Weed Sci. 34(Suppl. 1): 26–30.Google Scholar
Clark, L. R. 1953. The ecology of Chrysomela gemellata Rossi and C. hyperici Forst., and their effect on St. John's-wort in the Bright District, Victoria. Aust. J. Zool. 1:1–69.Google Scholar
Crompton, C. W., Hall, I. V., Jensen, K.I.N., and Hildebrand, P. D. 1988. The biology of Canadian weeds. 83. Hypericum perforatum L. Can. J. Plant Sci. 68:149–162.CrossRefGoogle Scholar
Dunn, O. J. 1964. Multiple comparisons using rank sums. Technometrics 6:241–252.Google Scholar
Fields, P. G., Arnason, J. T., and Philogene, B.J.R. 1990. Behavioral and physical adaptions of three insects that feed on the phototoxic plant Hypericum perforatum . Can. J. Zool. 68:339–346.Google Scholar
Harris, P. and Maw, M. 1984. Hypericum perforatum L., St. John's-wort (Hypericaceae). In Kelleher, J. S. and Hume, M. A., eds. Biological Control Programmes Against Insects and Weeds in Canada. London: Commonwealth Agriculture Bureau. pp. 171–177.Google Scholar
Harris, P., Peschken, D., and Milroy, J. 1969. The status of biological control of the weed Hypericum perforatum in British Columbia. Can. Entomol. 101:1–15.Google Scholar
Hildebrand, P. D. and Jensen, K.I.N. 1991. Potential for the biological control of St. John's-wort (Hypericum perforatum) with an endemic strain of Colletotrichum gloeosporioides. Can. J. Plant Pathol. 13:60–70.Google Scholar
Holloway, J. K. 1964. Projects in biological weed control. In DeBach, P., ed. Biological Control of Insect Pests and Weeds. New York: Reinhold Publishing. pp. 650–670.Google Scholar
Jensen, K. and Doohan, D. 1994. Potential for biological control of St. John's wort in Nova Scotia pastures using a native, host-specific Colletotrichum gloeosporioides. Canada/Nova Scotia Livestock Feed Initiative Agreement, ALFI-TT9429 Final Proj. Rep. Rep. 40 p.Google Scholar
Libby, R. R. and Ellis, D. E. 1954. Transmission of Colletotrichum langenarium by the spotted cucumber beetle. Plant Dis. Rep. 38:200.Google Scholar
Morris, M. J. 1982. Gummosis and die-back of Hakea sericea in South Africa. Proc. 4th Natl. Weeds Conf. South Africa. pp. 51–54.Google Scholar
Mortensen, K. 1988. The potential of an endemic fungus, Colletotrichum gloeosporioides, for biological control of round-leaved mallow (Malva pusilla) and velvetleaf (Abutilon theophrasti). Weed Sci. 36:473–478.CrossRefGoogle Scholar
Nemeye, P. S., Moore, D., and Prior, C. 1990. Potential of the parasitoid Heterospilus prosopidis (Hymenoptera: Braconidae) as a vector of plant-pathogenic Colletotrichum spp. Ann. Appl. Biol. 116:11–19.Google Scholar
Peña, J. E. and Duncan, R. 1989. Role of arthropods in the transmission of postbloom fruit drop. Proc. Florida State Hortic. Soc. 102:249–251.Google Scholar
Quimby, P. C. and Birdsall, J. L. 1995. Fungal agents for biological control of weeds: classical and augmentative approaches. In Reuveni, R., ed. Novel Approaches to Integrated Pest Management. Boca Raton, FL: Lewis Publishers. pp. 293–308.Google Scholar
Sampson, M. G. 1985. Biological control of perennial weeds in Nova Scotia. Canada/Nova Scotia Agri-Food Development Agreement, TDP 1987-11 Final Project Report. 42 p.Google Scholar
Shepherd, R.C.H. 1985. The present status of St. John's wort (Hypericum perforatum L.) and its biological control agents in Victoria, Australia. Agric. Ecosyst. Environ. 12:141–149.Google Scholar
TeBeest, D. O. 1982. Survival of Colletotrichum gloeosporioides f. sp. aeschynomene in rice irrigation water and soil. Plant Dis. 66:469–472.Google Scholar
TeBeest, D. O. 1991. Ecology and epidemiology of fungal plant pathogens studied as biological control agents of weeds. In TeBeest, D. O., ed. Microbial Control of Weeds. New York Chapman and Hall. pp. 97–114.Google Scholar
Templeton, G. E. 1992. Use of Colletotrichum strains as mycoherbicides. In Bailey, J. A. and Jeger, M. J., eds. Colletotrichum: Biology, Pathology and Control. Wallingford, UK: C.A.B. International. pp. 358–380.Google Scholar
Templeton, G. E., TeBeest, D. O., and Smith, R. J. 1979. Biological weed control with mycoherbicides. Annu. Rev. Plant Pathol. 17:301–310.Google Scholar
Thompson, R. and Welham, S. J. 1993. REML estimation of variance components and analysis of unbalanced designs. In Genstat 5 Committee. Genstat 5, Release 3 Reference Manual. Oxford, UK: Clarendon Press. pp. 539–583.Google Scholar
Waller, J. M. 1992. Colletotrichum diseases of perennial and other cash crops. In Bailey, J. A. and Jeger, M. J., eds. Colletotrichum: Biology, Pathology and Control. Wallingford, UK: C.A.B. International. pp. 167–185.Google Scholar
Wicker, E. F. 1967. Appraisal of biological control of Arceuthobium campylopodum f. campylopodum by Colletotrichum gloeosporioides. Plant Dis. Rep. 51:311–313.Google Scholar
Williams, K. S. 1985. Climatic influences on weeds and their herbivores: biological control of St. John's wort in British Columbia. Proc. VI Int. Symp. Biol. Control Weeds. pp. 127–132.Google Scholar
Wilson, C. L. 1969. Use of plant pathogens in weed control. Annu. Rev. Phytopathol. 7:411–434.Google Scholar
Yang, X. B. and TeBeest, D. O. 1992a. Green treefrogs as vectors of Colletotrichum gloeosporioides . Plant Dis. 76:1266–1269.Google Scholar
Yang, X. B. and TeBeest, D. O. 1992b. Rain dispersal of Colletotrichum gloeosporioides in simulated rice field conditions. Phytopathology 82:1219–1222.Google Scholar
Yang, X. B., TeBeest, D. O., and Smith, R. J. 1994. Distribution and grasshopper transmission of northern jointvetch anthracnose in rice. Plant Dis. 78:130–133.Google Scholar