There has probably been more money spent on chemical control of gorse in New Zealand than on any other weed. This is because gorse seeds can exist in soil for many years, so repeated spraying and good pasture management are needed to finally get rid of them. Using gorse seed weevils and gorse spider mites as biological controls are having some effect.
Te whakamahi i tēnei tūemi
Alexander Turnbull Library, Dominion Post Collection (PAColl-7327)
Photograph by John Nicholson
Permission of the Alexander Turnbull Library, National Library of New Zealand, Te Puna Mātauranga o Aotearoa, must be obtained before any re-use of this image.
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