canker
81citrus canker — Plant Pathol. a disease of citrus trees caused by the bacterium Xanthomonas citri, characterized by spongy eruptions on leaves and fruit. * * * …
82stem canker — Plant Pathol. a disease of plants characterized by cankers on the stems and twigs and caused by any of several fungi. * * * …
83blight canker — noun a phase of fire blight in which cankers appear • Hypernyms: ↑fire blight, ↑pear blight * * * noun : a phase of fire blight characterized by cankers …
84chestnut canker — noun a disease of American chestnut trees • Syn: ↑chestnut blight, ↑chestnut bark disease • Hypernyms: ↑blight * * * noun see chestnut blight …
85black canker — noun 1. archaic : severe diphtheria 2. : any of several plant diseases characterized by dark colored cankers: as a. : ink disease b. : a disease of willows caused by a fungus (Physalospora miyabeana) called also …
86bleeding canker — noun : a disease of hardwoods (as of maples) caused by a fungus (Phytophthora cactorum), characterized by the exudation of a reddish ooze from small cracks in cankers on the trunk and branches, and leading to wilting and branch dieback …
87blister canker — noun : a disease of the apple tree caused by an ascomycetous fungus (Nummularia discreta) producing roughened and blackened cankers on the trunk and larger limbs called also apple pox …
88brown canker — noun : a disease of roses caused by a fungus (Cryptosporella umbrina) and characterized by lesions that are initially purple, turn white, and finally become buff * * * Plant Pathol. a fungous disease of roses, characterized by leaf and flower… …
89citrus canker — noun : a destructive disease of citrus fruits caused by a bacterium (Xanthomonas citri) producing lesions on the leaves, twigs, and fruits * * * Plant Pathol. a disease of citrus trees caused by the bacterium Xanthomonas citri, characterized by… …
90diamond canker — noun : a virus disease of stone fruit trees characterized especially by corky roughening and thickening of the bark and by progressive weakening of the tree …
