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Priority pest list – Potatoes NZ

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Potato leafhopper adult and nymph
Potato leafhopper adult and nymph. Photo by Penn State College.

The GIA Deed outlines the principles for the partnership and the commitments that each Signatory makes to engage in the wider biosecurity system and co-invest to improve the collective biosecurity capacity and capability of industry and government in readiness and response.

Deed Signatories negotiate and agree the priority pests and diseases of most concern to them and agree actions to minimise the risk and impact of an incursion, or prepare for and manage a response in the event than an incursion occurs.

Joint decision-making and cost-sharing helps to ensure that industry organisations have a formal role, alongside government, in managing their biosecurity risks.

Potatoes New Zealand’s Priority Pest List

ARTHROPODS
• Black bean aphid (Aphis fabae)
• Colorado potato beetle (Leptinotarsa decimlineata)
• Potato flea beetle (Epitrix similaris)
• Leaf mining flies (Liriomyza sativae, L. bryoniae, L. trifolii; L. huidobrensis; L. nietzkei, L. cepae, Chromatomyia horticola, Phytomyza gymnostroma)
• Potato leafhopper (Empoasca fabae)
• Red spider mite (Tetranychus evansi)

 

Potato ring rot. Source: Dr Solke H. De Boer Canadian Food Inspection Agency

BACTERIA
• Blackleg of potato (Dickeya solani)
• Columbia basin purple top phytoplasma
• Potato stolbur phytoplasma
• Candidatus Liberibacter solanacearum (Lso B).
• Potato brown rot (Ralstonia solanacearum)
• Potato ring rot (Clavibacter michiganensis subsp. sepedonicus)

FUNGI
• Potato wart (Synchytrium endobioticum)

NEMATODES
• Nematodes – Xiphinema, Longidorus, Meloidogyne (M. chitwoodi)

Potato spindle tuber viroid. Source: Biologische Bundesanstalt, Braunschweig (DE).

VIRUSES
• Exotic potato viruses

VIROIDS
• Potato spindle tuber viroid (PSTVd)

Last updated 14 July 2017