A sprayer sprayers a crop of potatoes© Tim Scrivener
Potato farmers are likely to find tuber blight control more challenging this season, after a surge in the reported occurence of the fluazinam-resistant “dark green” strain of the disease. The incidence of infection in 2017 soared to 24% of infected samples submitted for testing from just 3% the previous year, when the 37_A2 strain was first discovered in the UK. “Aggression is the amount of damage a disease causes its host,” says independent agronomist Eric Anderson of Scottish Agronomy, “and this […]