More aggressive blight tougher to control

See on Scoop.it – Potato News

More aggressive late blight strains now dominate British populations and potatoes growers need to adopt a protectant fungicide policy to keep the potentially devastating disease at bay. Populations of the pathogen – Phytophthora infestans – are constantly changing and monitoring work has shown two genotypes are now dominant.

See on www.fwi.co.uk