Netherlands Journal of Plant Pathology

, Volume 99, Issue 5–6, pp 303–311 | Cite as

Horizontal and vertical distribution of airborne conidia of Botrytis cinerea in a gerbera crop grown under glass

  • A. Kerssies


The horizontal and vertical distribution of airborne conidia ofBotrytis cinerea in a gerbera crop in two glasshouses (100 m2 and 350 m2) was studied during 18 months in 1988 and 1989. Conidia ofB. cinerea were caught in simple spore traps consisting of agar in Petri dishes placed in a regular pattern at three different heights in the glasshouse and counted as colonies, after incubation. Lesions due to conidial infection were counted on gerbera petals. The horizontal and vertical distribution of conidia ofB. cinerea in a gerbera crop grown under glass was fairly uniform in both distinct glass-houses. Conidia ofB. cinerea trapped in a glasshouse can originate from sources inside and outside the glasshouse. No significant interaction was found between location and time for the colony counts and for the log transformed (ln(N+1)) lesion counts. The results of this study suggest that spore trapping at one height and at a limited number of locations and dates is sufficient for efficient monitoring ofB. cinerea in a glasshouse.

Additional keywords

lesions trapping 


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  1. Frinking, H.D., 1991. Aerobiology of ‘closed’ agricultural systems. Grana 30: 481–485.Google Scholar
  2. Frinking, H.D. & Scholte, B., 1983. Dissemination of mildew spores in a glasshouse. Philosophical Transactions of the Royal Society of London B302: 575–582.Google Scholar
  3. Frinking, H.D., Gorissen, A. & Verheul, M.J., 1987. Dissemination of spores in a glasshouse: Pattern or chaos? International Journal of Biometeorology 31: 147–156.Google Scholar
  4. Hausbeck, M.K. & Pennypacker, S.P., 1991. Influence of grower activity on concentrations of air-borne conidia ofBotrytis cinerea among geranium cuttings. Plant Disease 75: 1236–1243.Google Scholar
  5. Hirst, J.M., 1959. Spore liberation and dispersal. In: Holton, C.S. (Ed.), Plant pathology: problems and progress 1908–1959. University of Wisconsin Press, Madison. p. 529–538.Google Scholar
  6. Jarvis, W.R., 1980. Epidemiology. In: Coley-Smith, J.R., Verhoeff, K. & Jarvis, W.R. (Eds), The biology ofBotrytis. Academic press, London. p. 219–250.Google Scholar
  7. Kerssies, A., 1990. A selective medium to be used in a spore-trap. Netherlands Journal of Plant Pathology 96: 247–250.Google Scholar
  8. Kerssies, A., 1993. Influence of environmental conditions on dispersal ofBotrytis cinerea conidia and post-harvest infection of gerbera flowers grown under glass. Plant Pathology 42: 754–762.Google Scholar
  9. Pady, S.M. & Kelly, C.D., 1954. Aerobiological studies of fungi and bacteria over the Atlantic Ocean. Canadian Journal of Botany 32: 202–212.Google Scholar
  10. Richards, M., 1956. A census of mould spores in the air over Britain in 1952. Transactions of the British Mycological Society 39: 431–441.Google Scholar
  11. Schepers, H.T.A.M., 1984. A pattern in the appearance of cucumber powdery mildew in Dutch glasshouses. Netherlands Journal of Plant Pathology 90: 247–256.Google Scholar
  12. Zadoks, J.C., 1967. International dispersal of fungi. Netherlands Journal of Plant Pathology 73, Supplement 1: 61–80.Google Scholar

Copyright information

© Koninklijke Nederlandse Planteziektenkundige Vereniging 1993

Authors and Affiliations

  • A. Kerssies
    • 1
  1. 1.Research Station for FloricultureAalsmeerthe Netherlands

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