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|Appears in Collections:||Computing Science and Mathematics Journal Articles|
|Peer Review Status: ||Refereed|
|Title: ||Modelling the efficacy of entomopathogenic nematodes in the regulation of
invertebrate pests in glasshouse crops|
|Author(s): ||Fenton, Andrew|
Fairbairn, Jonathan P
Hudson, Peter J
|Contact Email: ||firstname.lastname@example.org|
|Keywords: ||analytical model|
|Issue Date: ||Apr-2000|
|Publisher: ||John Wiley & Sons|
|Citation: ||Fenton A, Norman R, Fairbairn JP & Hudson PJ (2000) Modelling the efficacy of
entomopathogenic nematodes in the regulation of invertebrate pests in glasshouse
crops, Journal of Applied Ecology, 37 (2), pp. 309-320.|
|Abstract: ||1. Entomopathogenic nematodes belonging to the families Heterorhabditidae and
Steinernematidae are lethal obligate parasites of a wide range of invertebrate
species. These nematodes exhibit many characteristics that make them ideal
candidates as biological control agents of insect pests (rapid host death, high
reproductive rates, easily mass-reared in vitro, easy application techniques).
2. However, at present, the number of pest species to which these nematodes are
applied successfully is small. Clearly, there is a need to develop existing
knowledge of the nematode into a more complete understanding of the nematode-
pest system as a whole.
3. To consider the potential of entomopathogenic nematodes as biological control
agents, we adopted a generalized analytical modelling approach and, using
realistic parameter estimates, determined the conditions under which these
nematodes can regulate a pest population.
4. Stability analyses suggested that entomopathogenic nematodes may not be
capable of regulating a host population to a stable equilibrium. Long-term
persistence of the host and nematode population is unlikely, due to the highly
destabilizing effects of the parasite-host relationship. As such, these
nematodes may be better suited to short-term control through inundative
application techniques rather than long-term regulation.
5. This preliminary generalized model highlights areas where further work is
needed. This includes estimation of the probability of nematode infection in the
field, the effect of host size on the transmission cycle and the influence of
spatial heterogeneity on stability.|
|Type: ||Journal Article|
|DOI Link: ||http://dx.doi.org/10.1046/j.1365-2664.2000.00494.x|
|Rights: ||The publisher does not allow this work to be made publicly available in this Repository. Please use the Request a Copy feature at the foot of the Repository record to request a copy directly from the author. You can only request a copy if you wish to use this work for your own research or private study.|
|Affiliation: ||University of Stirling|
Mathematics - CSM Dept
University of Stirling
University of Stirling
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