noun
: a very common disease of the tea plant especially in India and Ceylon that is caused by a fungus ( Pestalozzia theae ) which produces black dots on the leaves
noun
: a very common disease of the tea plant especially in India and Ceylon that is caused by a fungus ( Pestalozzia theae ) which produces black dots on the leaves
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012