PATERNOSTER T, VRHOVSEK U, MATTIVI F, GESSLER C, PERTOT I. Nicotinic acid and nicotinamide on pear and apple flowers are not limiting factors for Erwinia amylovora growth when these chemicals are considered in relation to cultivar and flower age. Phytopathol. Mediterr. [Internet]. 2011 May 10 [cited 2024 Nov. 23];50(1):84-93. Available from: https://oajournals.fupress.net/index.php/pm/article/view/5393