Basidiomyctes The Division Basidiomycota is a large taxon within the Kingdom Fungi that includes those species that produce spores in a club-shaped structure called a basidium. basidiospore basidium (pl. basidia) basidiospore basidium (pl. basidia; adj. basidial) binary fission binucleate bioassay biocide biocontrol (syn. biological control) biotic A disease caused by a living organism biotroph (syn. obligate parasite) biotype bitunicate blasting blight blotch breaking broadcast application brooming brown rot (of wood) burn bursa C canker capsid (syn. coat protein) carcinogen carrier casting causal agent certification cfu (abbr. for colony forming unit) chemotaxis (syn. chemotropism) chemotherapy chlamydospore chlamydospore A chlamydospore is the thick-walled big resting spore of several kinds of fungi. chlorosis chronic toxicity chytridiomycetes circulative-propagative transmission (syn. propagative transmission) circulative transmission (syn. persistent transmission) cirrus cleistothecium clamp connection clavate (or claviform) coalesce coat protein (syn. capsid) coccus (pl. cocci) coelomycetes colonization colony colony forming unit (abbr. cfu) compartmentalization conidiogenesis conidiogenous conidioma (pl. conidiomata) conidiophore conidium (pl. conidia) conjugation conk constitutive contact fungicide (syn. protectant fungicide) coremium (pl. coremia; syn. synnema) cross-protection crozier cryptobiosis (hidden life) curl cyst cytopathology D damping-off days to harvest decay degree-day demicyclic deuteromycetes (syn. Fungi Imperfecti) diagnostic antigen diploid Diploid (2x) cells have two copies (homologs) of each chromosome, usually one from the mother and one from the father. diapause dieback (v. die back) differential host (syn. differential cultivar) differential medium differentiation dikaryon (adj. dikaryotic) dilution plating dilution streaking dimorphic direct penetration Discomycetes disease disease cycle disease incidence disease progress curve disease pyramid disease severity disease triangle disinfect disinfest dispersal (syn. dissemination) dissemination (syn. dispersal) dolipore septum dormancy (adj. dormant) downy mildew drift (of pesticides) drought durable resistance dwarfing E echinulate economic threshold ectomycorrhiza (pl. ectomycorrhizae) ectoparasite ectotrophic elicitor enation encapsidate encyst endemic endogenous endophytic endoconidium (pl. endoconidia) endomycorrhiza (pl. endomycorrhizae; syn. arbuscular mycorrhiza) endoparasite endospore epidemic epidemiology epinasty epiphytotic The epidemic condition of a disease, in a plant population. Compare with enphytotic eradicant eradication ergot ergotism erumpent escape etiolation etiology exclusion exogenous exudate F f. sp. (abbr. for forma specialis) facultative parasite facultative saprotroph fasciation fastidious filamentous (syn. filiform) flagellum flagging fleck focus (pl. foci) forest decline forma specialis (abbr. f.sp.; pl. formae speciales) fructification fruiting body fumigant (v. fumigate) Fungi Imperfecti (syn. Deuteromycetes fungicide (adj. fungicidal) Chemical designed to kill fungi fungus (pl. fungi) fungistat (adj. fungistatic) Inhibits growth of some fungi. fungistasis fusiform G gall gametangium (pl. gametangia) gametophyte gene-for-gene hypothesis general resistance (syn.