Feeds:
Posts
Comments

Archive for the ‘Pest and Disease records’ Category

First finding of pathotype 38 (Nevşehir) of Synchytrium endobioticum in the Netherlands

The NPPO of the Netherlands recently informed the EPPO Secretariat of the first detection of the pathotype 38 (Nevşehir) of Synchytrium endobioticum (EPPO A2 List, agent of potato wart disease) on its territory. 

As part of the annual official survey of starch and ware potatoes, the presence of
 S. endobioticum was detected in October 2020 in 3 fields (total of 14.43 ha) in the municipality of Stadskanaal (Province of Groningen). Starch potatoes (Solanum tuberosum) presented typical warts. The pathotype was determined in July 2021 on the basis of a bio-assay (Spieckermann method) in combination with sequencing of the mitochondrial DNA of the isolates. It is the first time that pathotype 38 (Nevşehir) is found in the Netherlands and the NPPO considers that the source of the outbreak is outside the Netherlands. This pathotype is only known to occur in Turkey (where it was initally reported), Bulgaria and Georgia.

Official phytosanitary measures are applied: all 3 fields have been demarcated as infested areas for at least 20 years, together with a buffer zone and safety zone, as defined in Council Directive 69/464/EC. The production of potato is prohibited in the infested area and only resistant potato varieties may be grown in the buffer and safety zones. The production of plants for planting (e.g. seed potato) is prohibited in all demarcated areas.

During autumn 2021 the annual survey for S. endobioticum will focus on detection of this new pathotype in this area.

The pest status of Synchytrium endobioticum in the Netherlands is officially declared as: Present, under eradication, only in demarcated areas.

Sources

NPPO of the Netherlands (2021-09).

Read Full Post »

October 7, 2021

James Cullum

No Comments

Update: New Pest & Disease Records (6 October 2021)

new pest records: mirid bug
This month’s pest alerts include the first report of mirid bugs as a threat to bottle gourd in India (Photograph © Bernard Dupont – CC BY-SA 2.0)

We’ve selected a few of the latest new geographic, host and species records for plant pests and diseases from CAB Abstracts. Records this month include a new species of Trionymus from Mexico and the first report of mirid bugs as a threat to bottle gourd in India.


To view all search results for new geographic, host and species records for plant pests and diseases, click here or to view results by your location click here.

If there’s another new record you’d like to highlight, please post a comment.

View past pest alertscrop pests and diseasesmirid bugpest alertsAgriculture and International DevelopmentCrop healthPlant Sciences

Read Full Post »