News on Dickeya / Blackleg

New potato-threatening pathogens reported for first time in Pennsylvania, US
January 25, 2024

New potato-threatening pathogens reported for first time in Pennsylvania, United States

Researchers of the Pennsylvania State University identified potential threats to the local potato crop by collecting potato stems or tubers that exhibited symptoms of black leg or soft rot from 26 potato fields. They were able to isolate, culture and identify 456 samples of bacteria infecting potatoes.
New Antibiotic Comes From a Pathogenic Bacterium in Potatoes.
October 24, 2022

New Antibiotic Solanimycin discovered in a Pathogenic Bacterium in Potatoes (Dickeya solani)

The growing threat of antimicrobial resistance has led researchers to search for new compounds everywhere. This week in mBio, a multinational team of researchers in Europe report the discovery of a new antifungal antibiotic named solanimycin.
World Potato Congress Inc. Webinar: 'Above and Below Ground: Diseases threatening sustainable potato production'
October 21, 2020

World Potato Congress Inc. Webinar: 'Above and Below Ground: Diseases threatening sustainable potato production'

The World Potato Congress is pleased to be beginning its Fall webinar series on November 12, 2020, with Professor Jacquie van der Waals from the University of Pretoria, South Africa.
Important Potato Diseases and Tips to Manage them in Storage
September 18, 2020

Potato Diseases and Tips to Manage them in Storage

A key requirement for a longtime potato storage is that the storage conditions match the needs and end use of the crop. These requirements of can be assessed before harvest by doing several test digs which allow to determine the distribution and level of tuber infection.
Online tool to detect blackleg disease in potato using DNA testing has widespread application
December 05, 2019

Online tool to detect blackleg disease in potato using DNA testing has widespread application

Scientists have developed a user-friendly online tool called Uniqprimer, which quickly and automatically designs species-specific DNA tags (also known as primers) for detecting pathogens such as Dickeya dianthicola using DNA testing.
Range of potato experiments underway at Maine Research Farm (Aroostook)
August 12, 2018

Range of potato experiments underway at Maine Research Farm (Aroostook)

Farmers, researchers and members of the public gathered at the University of Maine’s Aroostook Research Farm in Presque Isle last Wednesday to learn about the latest in potato research.
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Potato researchers gather in Maine to find a solutions for the Blackleg disease
November 17, 2017

Potato researchers gather in Maine to find solutions for the Blackleg disease

Researchers from all over the world were in Bangor for the '2017 Dickeya and Pectobacterium Summit', organized by the University of Maine Extension.
Scottish Potato Industry unites to fund major Blackleg Research project
August 12, 2017

Scottish Potato Industry unites to fund major Blackleg Research project

In Scotland, a group of major potato businesses and public sector organisations have sponsored a £242,000 (USD 313,000) research project aimed at reducing the impact of potato disease blackleg on the Scottish seed potato industry.
Colorado State University to study the spread of pathogens in US potato crops
June 12, 2017

Colorado State University to study the spread of pathogens in US potato crops

Colorado U.S. Senators Michael Bennet and Cory Gardner this week announced that Colorado State University will receive $264,600 in funding from the U.S. Department of Agriculture (USDA) to study the spread of pathogens in U.S potato crops.
Should Seed Potato Growers start testing for Dickeya?
May 11, 2017

Should Seed Potato Growers start testing for Dickeya?

The potato disease Dickeya can be detected by laboratory testing — but is there enough of it present to justify the higher costs? That is the question facing Canadian Seed Potato Growers exporting to the United States who are increasingly asked for the test.
From test tube to plate, UW–Madison program keeps potatoes clean
May 09, 2017

From test tube to plate, UW–Madison program keeps potatoes clean

Years before that french fry landed on your plate, the plant that would eventually give rise to the spud your fry was cut from was sealed away deep in a secure-access building, growing slowly in a test tube inside a locked growth chamber.
Guarding against Dickeya
April 11, 2017

Guarding against Dickeya: testing your seed potatoes

With clean seed potatoes recognized as the best defense against this new blackleg-causing pathogen, the demand for Dickeya testing is growing fast.
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AHDB committed to keep the UK Seed Potato Industry healthy
November 10, 2016

AHDB committed to keep the UK Seed Potato Industry healthy

AHDB Potatoes has pledged to work closely with the seed potato sector and Scottish Government to ensure that the industry maintains a low level of the bacterial disease blackleg.
Dickeya Blackleg: New Potato Disease Causing Major Impact
July 17, 2016

Dickeya Blackleg: New Potato Disease Causing Major Impact

Dickeya blackleg, often just called Dickeya, is a new disease in the United States. It was severe in 2015 at least partly reflecting hotter weather than previous 2 years when the pathogen likely was present and is developing again in 2016.
Potato planting in Maine complete after winter dealing with Dickeya
June 27, 2016

Potato planting in Maine complete after winter dealing with Dickeya

Maine potato farmers have wrapped up planting and are hoping for a good year.
New ‘Focus on Potato’ Webcast Helps Potato Grower Minimize Spread of Blackleg
May 26, 2016

New ‘Focus on Potato’ Webcast Helps Potato Growers Minimize the Spread of Blackleg

Blackleg, caused by strains of soft rot bacteria known as Dickyea, has traditionally had little impact on North American potato production, but it now appears to be on the move throughout Europe and could increasingly threaten growers in the Eastern United States.
Blemishes of Table Potatoes: Common Biotic Causes
March 23, 2016

Blemishes of Table Potatoes: Common Biotic Causes

Potato tubers are affected by a number of blemishes, which can cause severe economic losses. This 'Focus on Potato' presentation by Jacquie van der Waals, Professor at the University of Pretoria in South Africa can serve as a guide for growers and others in the potato industry to help with identification of these blemishes.
Dickeya Species pester Maine Seed Potato Growers
March 06, 2016

Dickeya Species pester Maine Seed Potato Growers

A little-understood bacteria is bringing back the older potato disease Blackleg and is threatening the reputation of Maine seed potatoes

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