noun
or marginal spot
: a disease of lettuce that is caused by a bacterium ( Pseudomonas marginalis ) and is marked by a brownish discoloration along the margins of the leaves
noun
or marginal spot
: a disease of lettuce that is caused by a bacterium ( Pseudomonas marginalis ) and is marked by a brownish discoloration along the margins of the leaves
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012