News on Potato Viruses from New Zealand

Potato mop-top virus response closes out.
August 16, 2019
Potato mop-top virus response New Zealand closes out
A joint Biosecurity New Zealand and Potatoes New Zealand response to the crop disease potato mop-top virus (PMTV) is being closed out, with industry taking the lead on long-term management.
Tuber symptoms of the Potato Mop Top Virus (PMTV)
October 14, 2018
Number of NZ potato farms affected by Potato mop-top virus increases by 18
The scale of the Potato Mop-Top Virus problem on New Zealand South Island potato farms has widened. Eighteen Canterbury farms are now on the suspect list, after the virus was first confirmed on two properties last month.
Observed symptom Potato mop-top virus described by Inra (Ephytia): Bright yellow arcs or rings on the bottom potato leaves of some cultivars infected with PMTV
September 23, 2018
First time detection of Potato Mop-Top Virus (MPTV) in New Zealand
Biosecurity New Zealand is working with Potatoes New Zealand to respond to a detection of Potato mop-top virus (PMTV) in potato tubers in Canterbury. Though common around the world, it is the first time the virus has been found in New Zealand.

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