Aggressiveness of Phytophthora infestans on detached potato leaflets in four Nordic countries
Lehtinen, Ari; Andersson, Björn; Le, Vinh; Naerstad, Ragnhlid; Rastas, Marika; Ketoja, Elise; Hannukkala, Asko; Hermansen, Arne; Nielsen, Bent; Hansen, Jens; Yuen, Jonathan (Wiley-Blackwell, 2009)