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An Ecological and Societal Approach to Biological Control pp 91–112Cite as

BIOCONTROL IN PROTECTED CROPS: IS LACK OF BIODIVERSITY A LIMITING FACTOR?

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Part of the book series: Progress in Biological Control ((PIBC,volume 2))

Abstract

Protected crops are a dives entity, ranging from crops grown under very simple plastic or mesh construction to very high-tech glasshouse structures, which have a very high degree of automatisation of e.g. climate control, internal logistics, and robots for plant handling. But in general greenhouse crops are grown under very artificial conditions, where not even soil may be present but the plants are grown in e.g. rock wool or mats of coconut fibres. This makes protected crops very simple ecosystems with very poor biodiversity. On the other hand, once a pest species establish in such systems, it finds itself in an environment of unlimited food availability, a pleasant more or less constant climate that may prevail year round, and no enemies. Basically, biological control aims at provide the protected environment with natural enemies of the pests and thereby increase the biodiversity in the crops in a controlled manner. As implementation of biological control programs becomes widespread, the use of broadspectrum pesticides decrease, and the global trade in plant material increase, the need for more different biological control agents will continue to increase. So, will the research community and commercial insectaries be able to supply this increasing demand for beneficial organisms for the fast growing industry of protected crops?

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  1. Annie Enkegaard
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  2. Henrik F. Brødsgaard
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  1. The Royal Veterinary and Agricultural University, Copenhagen, Denmark

    J. EILENBERG

  2. University of Helsinki, Finland

    H.M.T. HOKKANEN

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Enkegaard, A., Brødsgaard, H.F. (2006). BIOCONTROL IN PROTECTED CROPS: IS LACK OF BIODIVERSITY A LIMITING FACTOR?. In: EILENBERG, J., HOKKANEN, H. (eds) An Ecological and Societal Approach to Biological Control. Progress in Biological Control, vol 2. Springer, Dordrecht. https://doi.org/10.1007/978-1-4020-4401-4_7

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