马铃薯缺陷和疾病

Met het droog weer, dat de kans op beurse plekken verhoogt, op komst roept de Potato Council in Engeland telers op om een actieve houding aan te nemen en gedurende het seizoen alle stappen van de oogst goed te letten op de kwaliteit van het product.  “...

Stormont officials are facing a grilling by Assembly Members over an embarrassing international incident in which potatoes exported from Northern Ireland were rejected for being diseased. Department of Agriculture and Rural Development (DARD) represen...

Afgelopen zomer heeft een perceel aardappelen dat zwaar werd aangetast door de schimmelziekte Sclerotinia de pers gehaald. De teler had nooit eerder last van deze ziekte en ook in de omgeving (veenkoloniën) komt de ziekte niet voor.

Het Wageningen Universiteits Fonds (WUF) heeft een toezegging voor een donatie van 2,5 miljoen euro ontvangen van een particulier persoon. De gever, die anoniem wil blijven, schenkt de middelen voor fundamenteel onderzoek naar de aardappelziekte en naa...

A potato pest from points south has reached Idaho, University of Idaho Extension specialists with the College of Agricultural and Life Sciences confirmed this week. It was reported last month in Oregon and Washington.

With dry weather exacerbating the risk of bruising potatoes at harvest, Potato Council has called on growers to take a proactive stance and make quality assessments at all stages of harvesting, from lifting to store loading.

Potato late blight, that same disease that caused the Irish Potato Famine, resurfaced in Alaska this fall. This wasn’t the first time the disease, widespread in the Lower 48 and worldwide, came to Alaska. Plant pathologist Jenifer McBeath suspects it...

Potato growers in Eastern Idaho are questioning the effectiveness of the USDA's efforts to contain the pale cyst nematode (Globodera Pallida), a small wormlike pest that endangers Idaho's potato export markets. Several U.S. trading partners, including...

Door het droge voorjaar is de knolzetting matig en de maatsortering dit jaar grof. Grote aardappelen beschadigen sneller tijdens het rooien, waardoor het risico op schilbrand groter is. Schilbrand wordt veroorzaakt door chloor-profam. Deze werkzame st...

Zebra chip, a disease that annually costs Southwest U.S. potato growers millions of dollars in crop loss, has been found in Washington and Oregon. A USDA scientist and an Oregon State University plant pathologist confirmed zebra chip in tuber samples ...

Late blight has shown up in the fields of two potato producers, in Palmer and Delta Junction. Alaska. The University of Alaska Fairbanks Cooperative Extension Service is working with major potato producers to help prevent the spread.

Aardappel met Rhizoctonia Al jarenlang is Moncereen (met als werkzame stof pencycuron) hét belangrijkste knolbehandelingsmiddel ter bestrijding van Rhizoctonia. Moncereen Pro bevat naast het vertrouwde pencycuron ook prothi...

A major pest called the tomato potato psyllid, has cost the potato industry over a $120 million since its initial discovery in 2006, according to a new report from Potatoes New Zealand. Ron Gall, Business Manager for Potatoes New Zealand, presented th...

The Canadian Food Inspection Agency (CFIA) has confirmed a detection of potato rot nematode (Ditylenchus destructor) in garlic from a two-acre farm field in the Ottawa region of Ontario. Potato rot nematode (PRN) is a regulated quarantine pest in Cana...

SAC 1st Class Honours graduate, Amanda MacLennan, from the Black Isle used the recent Potatoes In Practice Event near Dundee to present the results of her research into Pit rot of potatoes.

In the United Kingdom, potato Late blight fungicides Consento and Prompto (fenamidone + propamocarb) have gained label extensions for protection of potato crops against Early blight (Alternaria).

A new USDA-funded consortium will provide nationwide tracking of late blight infections of potato and tomato.  A web site currently under development will allow users to report where late blight has been found, and to sign up for automatic notifications by email or text message when late blight is found nearby.

Lack of rain has affected most of England and Wales and unusually dry ground may result in higher levels of common scab than in the last few years, says Potato Council technical executive Chris Steele.