noun, Plant Pathology.
a viral disease of plants, especially potatoes, characterized by upward rolling of the leaflets, chlorosis, stunting, and necrosis of the phloem.
noun 1. any of several insects, especially moths of the family Tortricidae, the larvae of which form a nest by rolling and tying leaves with spun silk.
noun, Plant Pathology. 1. a disease, especially of cereals and other grasses, characterized by rust-colored pustules of spores on the affected leaf blades and sheaths and caused by any of several rust fungi.
[leef] /lif/ noun, plural leaves [leevz] /livz/ (Show IPA) 1. one of the expanded, usually green organs borne by the stem of a plant. 2. any similar or corresponding lateral outgrowth of a stem. 3. a petal: a rose leaf. 4. leaves collectively; foliage. 5. Bibliography. a unit generally comprising two printed, blank, or illustrated […]
noun, Plant Pathology. 1. a bacterial disease of sugarcane, characterized by irregular, bleached streaks on the leaves and defoliation and caused especially by Bacterium albilineans.