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The tangled web we weave: human mediated spread of nematodes via trade networks

Banks, N.C., Hodda, M.E., Singh, S.K., Paini, D.R. and Bayliss, K.L. (2014) The tangled web we weave: human mediated spread of nematodes via trade networks. In: 6th International Congress of Nematology, 4 - 9 May, Cape Town, South Africa.

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Abstract

Quarantine and hygiene are major measures for preventing damage from plant-parasitic nematodes, but there is little information on nematode spread, especially related to rapidly increasing trade associated with globalization. To investigate nematode movement associated with traded plant material, nematodes were sampled from markets of different sizes and types in several countries, together with the origins and destinations of the produce and volumes traded. Nematodes were found consistently on various crops and associated soil. All trophic groups were represented. Markets differed in the distances produce travelled to get there, with some trading mostly local material, others trading mostly material from distant places, and others with a mix of the two. These patterns of movement can be analysed using network models and mapping software to suggest the speed, distance and amount of nematode spread using these pathways. This information will enhance biosecurity and quarantine through better targeting of surveillance and preventative measures.

Publication Type: Conference Item
Murdoch Affiliation: School of Veterinary and Life Sciences
URI: http://researchrepository.murdoch.edu.au/id/eprint/37184
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