Glossary
saprophyte : organism living on another organism during part of its lifecycle or living on the dead tissues of its host
sclerotium (pl. sclerotia) : compact mass of specialiced hyphal cells, often brown to black, survives in unfavourable conditions
serum : part of blood which contains antibodies
sorus (pl. sori) : compact fruiting structure of spores located under leaf epidermis of plants affected by rust
strain : Biotype ; race ; an organism or group of organisms that differs in minor aspects from other organisms of the same species or variety
sporangium (pl. sporangia) : organ containing asexual spores, sometimes zoospores
spore : one – to many celled reproductive body in fungi and lower plants; maybe sexual or asexual, haploid or diploid
stoma (pl. stomata) : regulated opening in plant epidermis for passage of gases and water vapour
stroma (pl. stromata) : compat mass of mycelium that supports fruiting bodies
thallus (pl. thalli) : fungus body
teleomorphe : sexual stage of a fungus, called also the perfect stage, after fusion leading to formation of ascopores, basidiospsores
tolerance : characteristic of plants undergoing attacks of pathogens without losing their yield potential
toxin : poison produced by a living organism
urediospore (urediniospore) : binucleate repeating spore of rust fungi inside the sori
virulence : relative capacity to cause disease
zoospore : fungal spore having flagella and capable of locomotion in water