Oomycota-Peronosporales-Plasmopara

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Plasmopara viticola (Downy Mildew) and Uncinula necator (Powdery Mildew) on Vitis vinifera leaves

Plasmopara viticola (Downy Mildew) and Uncinula necator (Powdery Mildew) on Vitis vinifera leaves

zoosporangium: sporangium, or spore case, that bears zoospores (Phytophthora gonapodyides)

zoosporangium: sporangium, or spore case, that bears zoospores (Phytophthora gonapodyides)

papilla: nipple-like projection; used to describe the tip of some sporangia and the localized wall thickenings on the inner surface of plant cell walls at sites penetrated by fungi (papillate sporangium of Phytophthora cactorum)

papilla: nipple-like projection; used to describe the tip of some sporangia and the localized wall thickenings on the inner surface of plant cell walls at sites penetrated by fungi (papillate sporangium of Phytophthora cactorum)

oospore: thick-walled, sexually-derived resting spore of Oomycetes (Phytophthora cinnamomi)

oospore: thick-walled, sexually-derived resting spore of Oomycetes (Phytophthora cinnamomi)

oogonium (pl. oogonia): female gametangium of Oomycetes, containing one or more gametes (Phytophthora cinnamomi)

oogonium (pl. oogonia): female gametangium of Oomycetes, containing one or more gametes (Phytophthora cinnamomi)

Plasmopara viticola Disease Cycle

Plasmopara viticola Disease Cycle

Plasmopara viticola Disease Cycle

Plasmopara viticola Disease Cycle

Downy mildew (Plasmopara viticola) shown on the upper and lower surface of a grape leaf.

Downy mildew (Plasmopara viticola) shown on the upper and lower surface of a grape leaf.


Περισσότερες ιδέες
urediniospore (also urediospore, uredospore)  : the asexual, dikaryotic, often rusty-colored spore of a rust fungus, produced in a structure called a uredinium; the "repeating stage" of a heteroecious rust fungus, i.e. capable of infecting the host plant on which it is produced (Puccinia graminis)

urediniospore (also urediospore, uredospore) : the asexual, dikaryotic, often rusty-colored spore of a rust fungus, produced in a structure called a uredinium; the "repeating stage" of a heteroecious rust fungus, i.e. capable of infecting the host plant on which it is produced (Puccinia graminis)

teliospore: thick-walled resting spore produced by some fungi, notably rust and smut fungi, from which the basidium is produced (Puccinia teliospores)

teliospore: thick-walled resting spore produced by some fungi, notably rust and smut fungi, from which the basidium is produced (Puccinia teliospores)

pycniospore (syn. spermatium): haploid, sexually derived spore formed in a pycnium of rust fungi (SEM of pycnium containing pycniospores)

pycniospore (syn. spermatium): haploid, sexually derived spore formed in a pycnium of rust fungi (SEM of pycnium containing pycniospores)

uredinium (also uredium; pl. uredinia): fruiting body (sorus) of rust fungi that produces urediniospores (left: uredinia of Puccinia graminia f. sp. tritici; right: SEM of single uredinium of Puccinia recondita)

uredinium (also uredium; pl. uredinia): fruiting body (sorus) of rust fungi that produces urediniospores (left: uredinia of Puccinia graminia f. sp. tritici; right: SEM of single uredinium of Puccinia recondita)

telium (pl. telia): fruiting body (sorus) of a rust fungus that produces teliospores (Puccinia telia)

telium (pl. telia): fruiting body (sorus) of a rust fungus that produces teliospores (Puccinia telia)

ostiole (adj. ostiolate): pore; opening in the papilla or neck of a perithecium, pseudothecium, or pycnidium through which spores are released (pseudothecium of Venturia inaequalis)

ostiole (adj. ostiolate): pore; opening in the papilla or neck of a perithecium, pseudothecium, or pycnidium through which spores are released (pseudothecium of Venturia inaequalis)

promycelium (pl. promycelia): in rust and smut fungi, a germ tube issuing from the teliospore and bearing the basidiospores (germinating teliospore of Puccinia pampeana

promycelium (pl. promycelia): in rust and smut fungi, a germ tube issuing from the teliospore and bearing the basidiospores (germinating teliospore of Puccinia pampeana

stroma (pl. stromata): compact mass of mycelium (with or without host tissue) that supports fruiting bodies or in which fruiting bodies are embedded  (stromata of the ergot fungus, Claviceps purpurea, with numerous perithecia embedded in the head)

stroma (pl. stromata): compact mass of mycelium (with or without host tissue) that supports fruiting bodies or in which fruiting bodies are embedded (stromata of the ergot fungus, Claviceps purpurea, with numerous perithecia embedded in the head)

perithecium (pl. perithecia)  : flask-shaped or subglobose, thin-walled fungus fruiting body (ascocarp) containing asci and ascospores; spores are expelled or released through a pore (ostiole) at the apex (Coniochaetia sp.)

perithecium (pl. perithecia) : flask-shaped or subglobose, thin-walled fungus fruiting body (ascocarp) containing asci and ascospores; spores are expelled or released through a pore (ostiole) at the apex (Coniochaetia sp.)

spore: reproductive structure of fungi and some other organisms, containing one or more cells; a bacterial cell modified to survive an adverse environment (SEM of Botrytis cinerea)

spore: reproductive structure of fungi and some other organisms, containing one or more cells; a bacterial cell modified to survive an adverse environment (SEM of Botrytis cinerea)

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