- pear scab
- noun
: a disease of the pear caused by a fungus (Venturia pyrina) that is similar to apple scab but produces lesions more frequently on the twigs
Useful english dictionary. 2012.
pear scab
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scab — [[t]skæ̱b[/t]] scabs 1) N COUNT A scab is a hard, dry covering that forms over the surface of a wound. The area can be very painful until scabs form after about ten days. 2) N COUNT (disapproval) People who continue to work during a strike are… … English dictionary
Signs of pathogen presence in diseased plants — ▪ Table Signs of pathogen presence in diseased plants* sign description examples acervulus a shallow, saucer shaped fungal structure that bears asexual spores (conidia); it is usually formed below the cuticle or epidermis of leaves, stems, and… … Universalium
venturia — ven.ˈt(y)u̇rēə noun Usage: capitalized Etymology: New Latin, from A. Venturi, 19th century Italian botanist + New Latin ia : a genus of fungi (family Mycosphaerellaceae) having generally sunken dark colored perithecia with a bristly apex and… … Useful english dictionary
plant disease — ▪ plant pathology Introduction an impairment of the normal state of a plant that interrupts or modifies its vital functions. All species of plants, wild and cultivated alike, are subject to disease. Although each species is… … Universalium
Plant disease symptoms — ▪ Table Plant disease symptoms description and causes examples prenecrotic symptom expression that precedes the death of cells or the disintegration of tissues water soaking a water soaked, translucent condition of tissues caused by water moving… … Universalium
fungus — fungic /fun jik/, adj. funguslike, adj. /fung geuhs/, n., pl. fungi /fun juy, fung guy/, funguses, adj. n. 1. any of a diverse group of eukaryotic single celled or multinucleate organisms that live by decomposing and absorbing the organic… … Universalium
Some fungal diseases of plants — ▪ Table Some fungal diseases of plants disease causative agent hosts symptoms and signs additional features late blight of potato Phytophthora infestans potato water soaked dark green to black or purplish lesions with pale green margins on lower… … Universalium
Ascocarp — Diagram of an apothecium showing sterile tissues as well as developing and mature asci. An ascocarp, or ascoma (plural: ascomata), is the fruiting body (sporocarp) of an ascomycete fungus. It consists of very tightly interwoven hyphae and may… … Wikipedia
Venturia pyrina — Scientific classification Kingdom: Fungi Division: Ascomycota Class: Dothideomycetes … Wikipedia
Jones, Lewis Ralph — ▪ American botanist born Dec. 5, 1864, Brandon, Wis., U.S. died March 31, 1945, Orlando, Fla. U.S. botanist and agricultural biologist, one of the first and most distinguished of American plant pathologists. Jones studied botany at the… … Universalium
