asexual spore

Listing 1 - 10 from 41 for asexual spore

Mycology Glossary - A through B
... See holdfast. Arthrospore asexual spore (conidium) formed by the conversion of a pre-existing hypha. Usually the walls thicken and the cell(s) separates before swelling of each spore. Sometimes further septa ... or an operculum (see operculum). Aseptate lacking cross walls in the hyphae (see septum). Asexual mitotic reproduction, not involving fusion of nuclei and meiosis, offspring the same as the ...
bugs.bio.usyd.edu.au

Mycology - Structure and Function - Spores
... asexual or sexual processes. LINK Where the spore is genetically similar to its parent, and is formed following a vegetative division, it can be called an asexual spore. In fact, two major types of asexual spore ... are not clear, and often the terms are used interchangeably. The second type of asexual spore is formed following one of two processes. In the Zygomycota and Chytridiomycota, the hyphal ...
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On-Line Glossary: C
... or fungicides) for the treatment of a disease. (16) chlamydospore. A thick-walled, nonsexual spore; a transformed hyphal cell. (15) chloranemia. The necrotic symptom of yellowing; a loss of ... often specialized in structure, that bears one or more conidia. (15) conidium. A thin-walled, asexual spore that is borne exogenously on a conidiophore and is deciduous at maturity. (See endoconidium.) ...
ppathw3.cals.cornell.edu

On-Line Glossary: S
... . An asexual spore produced within a sporangium. (15) sporangium. A sac that bears endogenous, asexual spores (sporangiospores) (Pl. sporangia.) (15) spore. A discrete sexual or asexual reproductive unit, usually enclosed by a rigid wall, capable of being disseminated. (15) sporidiole. A little spore ...
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APSnet Education Center - Laboratory Exercises in Plant Pathology - Cytology of Fungal Infection
... state during periods of unfavorable environmental conditions. However, much like a germinating seed, the germinating spore is the most vulnerable stage in the life of a fungus to environmental conditions, ... example of a structural defense mechanism. MATERIALS 1. A suspension of conidia (a type of asexual spore) of Pyricularia oryzae. Strains of this fungus cause rice blast, gray leaf spot of ...
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gloss
... , usually with a mass of spores. Pycnidiospore - An asexual spore borne in a pycnidium; one kind of conidium. Pycniospore - The spore which functions as a gamete in the rust ... - An asexual spore borne within a sporangium; this is the most common kind of asexual spore in the Mastigomycotina. Sporangium - A fruit body producing endogenous asexual spores in Mastigomycotina. (go to example) Spore - ...
www.cals.ncsu.edu

exam 1
... Oomycetes form ________________ and ________________ (sexual structures) and reproduce asexually by forming ________________ (asexual spore). Fungi classified in the Ascomycotina form ________________ (sexual spores) in a sac- ... while those that form a perithecium are classified in the ________________. The asexual spore formed by members of the Deuteromycetes or Fungi Imperfecti is termed a ...
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Glossary for Plant Disease Information Notes
... break or wound and often persists from year to year. Captan Carboxin Conidium (pl. conidia) asexual spore of a fungus Dieback plant disease symptom where one or more individual stems or branches ... fruiting body of a fungus. Produces conidia. Seta (pl. setae) hairs or whiskers in the spore-bearing structures of certain fungi Stratified sample a sample taken by first dividing the population ...
www.ces.ncsu.edu

Glossary of Pollen and Spore Terminology - Part 5 (S-Z)
... (1950), spiraperturate pollen was included in the syncolpate class. Spore A general term for the usually microscopic, unicellular, asexual or sexual reproductive units of cryptogams and fungi (Jackson, 1928). See also: pollen, microspore. Sporoderm (Bischoff, 1833) The entire wall of a pollen grain or spore. ...
www.biol.ruu.nl

Glossary of Pollen and Spore Terminology - Part 5 (S-Z)
... (1950), spiraperturate pollen was included in the syncolpate class. Spore A general term for the usually microscopic, unicellular, asexual or sexual reproductive units of cryptogams and fungi (Jackson, 1928). See also: pollen, microspore. Sporoderm (Bischoff, 1833) The entire wall of a pollen grain or spore. ...
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