Cite
 

Meaning of leaf roll

leaf' roll"

Pronunciation: [key]
— Plant Pathol. Plant Pathol.
  1. a viral disease of plants, esp. potatoes, characterized by upward rolling of the leaflets, chlorosis, stunting, and necrosis of the phloem.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.