noun Date: 1928 any of several plant diseases of cereal grasses (as oats and barley), onions, potatoes, tomatoes, or tobacco that are characterized by yellowing and stunting and are caused by viruses
YELLOW DWARF
Meaning of YELLOW DWARF in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012