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Weed Information |
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| Biodiversity | Weed control | Physical control | Chemical control | Biological control | How long to control? | Successful biocontrol | 'Useful' weeds | Finding biocontrol agents | Biocontrol agents in NZ | After control |
What weeds do we have biocontrol agents for in New Zealand?
Alligator weed (Alternanthera philoxeroides)
Blackberry (Rubus fruticosus agg.) (accidental arrival)
Broom (Cytisus scoparius)
Californian thistle (Cirsium arvense)
Gorse (Ulex europaeus)
Hemlock (Conium maculatum) (accidental arrival)
Hawkweeds (Hieracium spp.)
Heather (Calluna vulgaris)
Mexican devil (Ageratina adenophora)
Mist flower (Ageratina riparia)
Nodding thistle (Carduus nutans)
Old Man's Beard (Clematis vitalbae)
Scotch thistle (Cirsium vulgare)
Ragwort (Senecio jacobaea)
St John's wort (Hypericum perforatum)
Weeds with biocontrol agents in the pipeline (overseas testing underway)...
Banana passionfruit (Passiflora spp.)
Bone-seed (Chrysanthemoides monilifera)
Buddleia (Buddleja davidii)
Chilean needle grass (Buddleja davidii)
Nassella tussock (Nassella trichotoma)
Woolly nightshade (Solanum mauritianum)
Biodiversity
Weed
control Physical
control Chemical
control Biological
control How
long to control? Successful
biocontrol 'Useful'
weeds Finding biocontrol agents
Biocontrol agents in NZ After
control 