noun
: a disease of oats caused by manganese deficiency and characterized by light green to grayish spots on the leaves and especially the blades that later turn buff or light brown
noun
: a disease of oats caused by manganese deficiency and characterized by light green to grayish spots on the leaves and especially the blades that later turn buff or light brown
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012