马铃薯缺陷和疾病

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.

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

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.

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...

When a major South American pest infests potato tubers, the plant produces bigger spuds, reports a study by Cornell, University of Goettingen and National University of Colombia researchers.The secret is in the spit, write the researchers online in the...

Worldwide, late blight is rated the worst of potato diseases. Intermittently since the 1990s, spores have turned up in commercial fields of Idaho, Washington, California and Oregon. When the spore is present it reproduces like a wildfire in cool, mois...

Potato growers across Australia have been urged to protect the local industry from a major pest which has established itself in New Zealand. New Zealand potato producers have been coming to terms with the disease Zebra chip. The disease is seen as...

Developing a chemical attractant to monitor and manage the potato psyllid is the goal of a new cooperative agreement signed in March between the Agricultural Research Service (ARS) and the University of California (UC) at Riverside.