Already a subscriber? Activate your premium account

Diseases and pests

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…

January 24, 2022 | Blogs

How to prevent and control potassium deficiency in potatoes

The behaviour of potassium (K) in clay soils mainly depends on the clay content and the type of clay mineral. Soils with clay minerals mainly consisting of illite, such as in the Netherlands, supply K through weathering. From soils with clay particles mainly consisting of kaolinite K may easily be leached out. Also in sandy…

January 17, 2022 | Blogs

What are the effects and symptoms of potassium deficiency in potatoes?

Second to nitrogen, potassium (K) is adsorbed most by the plant and is essential for its normal growth and development.

January 10, 2022 | Blogs

About deficiency diseases in potatoes: Potassium deficiency

Potatoes need much potassium (K). Second to nitrogen, K is adsorbed most by the plant. Symptoms of K-deficiency are frequently found on loamy sand, marine clay and (heavy) river clay soils as well as on sandy and peaty soils. K-deficiency occurs mostly during the second half of the growing season, and then often during prolonged…

September 23, 2021 | Articles

Wageningen University scientists solve mystery: ‘This is how Phytophthora infestans invades plants’

In a unique collaboration, plant pathologists, cell biologists and physicists from Wageningen University & Research (WUR) have found the answer to the question of how the notorious Phytophthora infestans pathogen finds its way through the outer protective layer on the leaves of agricultural crops.

©2015 - 2023 Potatoworld | Webdesign and realisation COMMPRO