News on Potato Defects and Diseases

Despite hot dry weather, Late Blight was found in a field in northern Walsh County in northeast North Dakota late last week.This is in addition to finds in Dickey County in southeast North Dakota and in the Carberry and Carman areas of southern Manitob...

The number of cases of a potentially devastating soil-borne bacterium that could cause significant potato production problems in Scottish seed potatoes has doubled.The Scottish Government yesterday admitted it had found two more cases of Dickeya solani...

The Scottish seed potato industry has reacted with anger to the confirmation of another crop of potatoes being infected with the highly infectious and transmissible potato disease dickeya solani which was found in a sample of ware potatoes grown last y...

Gisteren speurden drie aardappeltelers en een wetenschapper in een luchtballon naar sporen van phytophthora boven aardappelpercelen in West-Brabant. De gevreesde aardappelziekte bedreigt elk jaar de aardappeloogst. Voor een gezonde aardappel op tafel ...

Potato late blight has been found and confirmed in the south Columbia Basin and Washington State University plant pathologist Dennis Johnson says more confirmations of the disease are expected this week. He says the disease was found in two locations. ...

Tijdens de presentatie bij PPO in Lelystad konden belangstellenden kennismaken met NemaDecide Plus. Het adviesprogramma ondersteunde de teler al bij de beheersing van het aardappelcysteaaltje en biedt nu ook hulp bij de beheersing van het wortellesiea...

Syngenta warns potato growers not to compromise blight control programmes during high risk conditions when tackling the threat of Alternaria.

Científicos del Servició de Investigación Agrícola (ARS) han identificado germoplasma de una especie silvestre de papa que ofrece resistencia a algunas enfermedades principales de la papa.

Wild potato germplasm that offers resistance to some major potato diseases has been identified by Agricultural Research Service (ARS) scientists.

A fungus that could seriously damage Manitoba's multimillion-dollar commercial potato industry has been spotted at commercial nurseries, Manitoba Agriculture says. The provincial agency has issued a warning to residential gardeners after "late b...

De afgelopen week is in de regio Zanddal bij Emmen de eerste Phytophthora gevonden. Gezien het aantastingsbeeld lijkt het erop dat deze niet is ontstaan uit oösporen. Ook vandaag (maandag 14 juni) is Phytopthora gevonden in de omgeving Steenbergen.   D...

De genetische bouwstenen voor aardappels met duurzame resistentie tegen phytophthora zijn inmiddels voorradig, zegt plantenveredelaar Evert Jacobsen.

Stocks of genetic material for potatoes with sustainable resistance against phytophthora are now available, says plant breeder Evert Jacobsen. He is, however, not allowed to conduct any field trials with these recently acquired resistant genes.Six diss...

Irish Scientists have warned potato farmers to be on alert for a new aggressive strain of potato blight called “Pink 6”.Stephen Kildea of Teagasc, the agriculture and food development authority, said the new strain could not be properly controlled by s...

The Potato Council has launched its aphid monitoring campaign for this season to provide growers with the latest information on the activity of crop-damaging pests.A network of 100 yellow water traps set up to monitor aphid movements across different p...

Field-scale trials of a biofumigant mustard crop have given around 50% potato cyst nematode suppression, Andy Barker of Barworth Agriculture told growers.   PCN control had become more difficult, particularly since the suspension of use of the soil ste...

The infectious potato disease Dickeya solani has been found in a ware crop growing in Perthshire.The species is an aggressive, form of the seed-borne bacterial disease, blackleg.Scotland had recently established rules to keep the disease out. But repor...

Australian scientists at SARDI are making major strides in diagnosing potato diseases before the potato crop is planted.Watch ABC video on this topicAustralia’s $500 million-plus potato industry will benefit from new DNA tests that can quickly and accu...