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Diseases and pests

June 05, 2023 | Blogs

How climate change affects nematodes in potato cultivation

Potato cyst nematodes originate in the Andes in South America and were first found in North Germany in the first decades of the 20th century. Hence the name of the golden nematode Globodera rostochiensis, after Rostock, a city in Mecklenburg-West Pomerania in the North of Germany. The Gross Lüsewitz Potato Collection Genebank of the Leibniz…

May 22, 2023 | Blogs

How climate change affects bacteria in potatoes

Bacteria spread across the world with the seed tubers mainly. Soft rot bacteria (Pectobactetrium spp. and Dickeya solani) are present in most growing environments although not both species and their subspecies appear everywhere. The pathotypes P. wasabi and S. solani for instance are new strains in parts of Europe introduced from other parts of the…

March 17, 2023 | News

Specialists present opportunities of late blight resistant biotech potatoes

On Tuesday March 21, 2023, Dr. Marc Ghislain and Dr. Eric Magembe of the International Potato Center (CIP) will be presenting the World Potato Congress (WPC) webinar on the deployment of late blight resistant biotech potatoes in Africa.

February 24, 2023 | News

Potato tuber blemish diseases central in WPC webinar

On February 28, 2023 at 9.00am Eastern Standard Time, the World Potato Congress Inc. (WPC) presents a webinar by senior potato pathologist Dr. Alison Lees, entitled “Potato Tuber Blemish Diseases: Status and Management”.

January 30, 2023 | Blogs

Diseases occurring in the potato storage

Diseases that occasionally lead to considerable losses during storage include soft rot (Pectobacterium spp.), dry rot (Fusarium spp.), silver scurf (Helminthosporium), late blight (Phytophtora infestans), leak (Pythium) and pink rot (Phytophthora erythroseptica).

December 21, 2022 | Articles

Maintain Phytophthora resistance for future generations

Phytophthora is a difficult problem to deal with. Especially for organic farming where no synthetic crop protection products may be used, which is why Bionext has labeled a first generation of resistant varieties as ‘Robust’. This sounds promising, but there is still a great danger in this approach. The first generation of resistant varieties is…

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