leaf roll

noun

: any of various plant diseases characterized especially by an upward rolling of the leaf margins

especially : a disease of the potato caused by a single-stranded RNA virus (species Potato leafroll virus of the genus Polerovirus, family Luteoviridae) transmitted by aphids

Example Sentences

Recent Examples on the Web Determinate tomato varieties are less susceptible to leaf roll. —

oregonlive, 18 July 2021 Taken together these symptoms suggest physiological leaf roll. —

oregonlive, 18 July 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'leaf roll.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.