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- Peronosporaceae abstract "Peronosporaceae are a family of water moulds that contains 17 genera, comprising more than 600 species. Most of them are called downy mildews. The closest relative of Peronosporaceae is Phytophthora.Peronosporaceae are obligate biotrophic plant pathogens. They parasitize their host plants as an intercellular mycelium using haustoria to penetrate the host cells. The downy mildews reproduce asexually by forming sporangia on distinctive white sporangiophores usually formed on the lower surface of infected leaves. These constitute the "downy mildew". The sporangia are wind-dispersed to the surface of other leaves. According to the genus concerned, the sporangia may then germinate by forming zoospores, thus resembling Phytophthora, or by germ-tube. In the latter case, the sporangia behave as conidia and are often referred to as such. Sexual reproduction is via oospores.The parasitized plants are angiosperms, and most Peronosporaceae are pathogens of herbaceous dicots. Some downy mildew genera have a more restricted host range, e.g. Basidiophora, Paraperonospora, Protobremia and Bremia on Asteraceae; Perofascia and Hyaloperonospora almost only on Brassicaceae; Viennotia, Graminivora, Poakatesthia, Sclerospora and Peronosclerospora on Poaceae, Plasmoverna on Ranunculaceae. The largest genera, Peronospora and Plasmopara, have a very wide host range.Peronosporaceae of economic importance include those that infect grapevines (Plasmopara viticola) and tobacco (Peronospora tabacina; blue mold). The latter species has such a delicate spore that it times its spore release for sunrise, a time of high ambient moisture and dew accumulation, so that its spores are less likely to succumb to desiccation and light. Bremia lactucae is a parasite on lettuce, Plasmopara halstedii on sunflower.".
- Peronosporaceae wikiPageExternalLink j.fgb.2006.07.005.
- Peronosporaceae wikiPageID "7465485".
- Peronosporaceae wikiPageRevisionID "540968211".
- Peronosporaceae hasPhotoCollection Peronosporaceae.
- Peronosporaceae subject Category:Water_moulds.
- Peronosporaceae type Abstraction100002137.
- Peronosporaceae type Earth114842992.
- Peronosporaceae type Material114580897.
- Peronosporaceae type Matter100020827.
- Peronosporaceae type Mold114953564.
- Peronosporaceae type Part113809207.
- Peronosporaceae type PhysicalEntity100001930.
- Peronosporaceae type Relation100031921.
- Peronosporaceae type Soil114844693.
- Peronosporaceae type Substance100019613.
- Peronosporaceae type WaterMoulds.
- Peronosporaceae type Animal.
- Peronosporaceae type Eukaryote.
- Peronosporaceae type Species.
- Peronosporaceae type Organism.
- Peronosporaceae comment "Peronosporaceae are a family of water moulds that contains 17 genera, comprising more than 600 species. Most of them are called downy mildews. The closest relative of Peronosporaceae is Phytophthora.Peronosporaceae are obligate biotrophic plant pathogens. They parasitize their host plants as an intercellular mycelium using haustoria to penetrate the host cells.".
- Peronosporaceae label "Peronosporaceae".
- Peronosporaceae label "Peronosporaceae".
- Peronosporaceae label "Peronosporaceae".
- Peronosporaceae label "Peronosporaceae".
- Peronosporaceae label "Peronosporaceae".
- Peronosporaceae sameAs Peronosporaceae.
- Peronosporaceae sameAs Peronosporaceae.
- Peronosporaceae sameAs Peronosporaceae.
- Peronosporaceae sameAs Peronosporaceae.
- Peronosporaceae sameAs m.0262lbr.
- Peronosporaceae sameAs Q621759.
- Peronosporaceae sameAs Q621759.
- Peronosporaceae sameAs Peronosporaceae.
- Peronosporaceae wasDerivedFrom Peronosporaceae?oldid=540968211.
- Peronosporaceae isPrimaryTopicOf Peronosporaceae.