One oomycete, the mycoparasite Pythium oligandrum, is used for biocontrol, attacking plant pathogenic fungi. The oomycetes are ... which is characteristic for the basal taxa of the oomycetes. The oomycetes rarely have septa (see hypha), and if they do, they ... Most of the oomycetes produce two distinct types of spores. The main dispersive spores are asexual, self-motile spores called ... Most oomycetes produce self-motile zoospores with two flagella. One flagellum has a "whiplash" morphology, and the other a ...
This is an alphabetical list of the oomycotal taxa recorded from South Africa. Family: Albuginaceae Genus: Albugo Albugo austro-africana Syd. Albugo candida Kunze. Albugo candida f. heliophilae P.Henn. Albugo cubicus Albugo evansii Syd. Albugo tragopogonis (Pers.) Gray (1821),accepted as Pustula tragopogonis (Pers.) Thines 2005 Albugo sp. Genus: Peronospora Peronospora destructor Casp. Peronospora effusa (Grev.) Rabenh. (1854) Peronospora euphorbiae Tuck. Peronospora mesembryanthemi Verw. Peronospora obovata Bon. Peronospora oxalidis Verw. & du Pless. Peronospora parasitica Tul. accepted as Hyaloperonospora parasitica (Pers.) Constant., 2002 (Oomycota) Peronospora rumicis Corda. Peronospora schleideni Ung. Peronospora trifoliorum de Bary. Peronospora viciae de Bary. Family: Peronosporaceae Order: Peronosporales Genus: Pseudoperonospora Pseudoperonospora cubensis Berk. & Curt. Family: Pythiaceae Genus: Pythium Pythium acanthicum Drechsl. Pythium aphanidermatum Fitz. Pythium artotrogus Pythium ...
... is a soil borne oomycete plant pathogen. Oomycetes, also known as "water molds", are fungal-like protists. ... it is important to identify that the microbe is an oomycete by looking for characteristics that are specific to oomycetes, such ... In contrast, most other oomycetes do not have a vesicle and the zoospores form in the sporangia. Finally, once the genera has ... Pythium irregulare, like most oomycetes, has a life cycle with sexual and asexual stages. During the winter, oospores, which ...
Pythium is a genus in the class Oomycetes, which are also known as water molds. Oomycetes are not true fungi, as their cell ... "Oomycetes". Apsnet.org. Archived from the original on 21 November 2016. Retrieved 27 April 2019. Norman, A.G., ed. (1987). ...
"Life History of Achlya (With Diagram) , Oomycetes". Biology Discussion. 2016-11-28. Retrieved 2020-12-30. "Saprolegniasis - ...
... is a plant pathogen, an oomycete known to cause root rot and damping off in a multitude of species. ... Pettitt, Tim (April 2015). A desk-study to review global knowledge on best practice for Oomycete root-rot detection and control ... Since the pathogen is an oomycete, it is known to produce several types of spores including sporangia, zoospores, and oospores ... Heffer, V.; Powelson, M. L.; Johnson, K. B. (2002). "Oomycetes". The Plant Health Instructor. doi:10.1094/PHI-I-2002-0225-01. ...
... , is a parasitic species of oomycete in the family Pythiaceae. It is the cause of red rot disease or red ... Lineage( full ) cellular organisms; Eukaryota; Stramenopiles; Oomycetes; Pythiales; Pythiaceae; Pythium Andrews, John H. (May ... Diseases caused by phycomycetes: Chytridiomycetes; Hyphochytridiomycetes; Oomycetes". Biological Reviews. 51 (2): 211-252. doi: ... possibly due to decreased temperatures inducing the development of sex organs in the oomycete. Losses can be combated by ...
oomycetes (adj. oomycetous) oospore ooze ostiole (adj. ostiolate) overwinter pandemic papilla paragynous parasexualism parasite ...
Class Oomycetes". The Journal of Antibiotics. 22 (8): 351-4. doi:10.7164/antibiotics.22.351. PMID 4981262. Yuan J, Shaham S, ...
"Introduction to Oomycetes". www.apsnet.org. Retrieved 2016-12-07. Index Fungorum USDA ARS Fungal Database (Articles with short ... Phytophthora medicaginis is an oomycete plant pathogen that causes root rot in alfalfa and chickpea. It is a major disease of ...
... , like most oomycetes, is both a saprotroph and necrotroph. Typically feeding on waste from fish or other dead cells ... Bruno, D.W., and Wood, B.P. (1994). Saprolegnia and other Oomycetes. CABI Publishing Meyer, F.P. (1991). Aquaculture disease ...
Oomycetes Winter 1897, emend. Dick 1976 [Peronosporomycetes Dick 2001]. Incertae sedis genera: Atkinsiella, Ciliomyces, ...
They joined other heterotrophic protists, such as bicosoecids, labyrinthulids, and oomycete fungi, that were included by some ... 2006 Pseudofungi Cavalier-Smith 1986 Hyphochytriales Sparrow 1960 Peronosporomycetes Dick 2001 [=Oomycetes Winter 1897, emend. ... and oomycetes. The tripartite hairs characteristic of the group have been lost in some of the included taxa - for example in ... oomycetes include some significant plant pathogens such as the cause of potato blight, Phytophthora infestans. Diatoms are ...
These oomycetes have been responsible for disease outbreaks such as sudden oak death and the Great Famine of Ireland (early ... These include green alga, brown alga, oomycetes, and some protists. The term is generally not used to describe motile, ... Walker, Claire A.; van West, Pieter (February 2007). "Zoospore development in the oomycetes". Fungal Biology Reviews. 21 (1): ...
oosphere Female gamete of oomycetes; "egg" of the oogonium. oospore The resting spore formed as a result of fertilization of ... oogonium The female sexual organ of Oomycetes, which at maturity contains one or more oospores. From Gr. gonos, progeny. ...
Oomycetes are often confused with fungi. Phytophthora botryosa leaf blight (Phytophthora nicotianae var. nicotianae) ...
... are closely related to Oomycetes. Order Hyphochytriales Bessey 1950 ex Sparrow 1960 Family Hyphochytriaceae ... Oomycetes and Chytridiomycetes were grouped together in the now obsolete taxon Mastigomycotina as fungi with flagellate spores ...
... is also present in oomycetes. The term oogamy was first used in the year 1888. It is generally accepted that isogamy is ... "An overview on the biology and phylogeny of the early-diverging oomycetes". Philippine Journal of Systematic Biology. 14 (1): 1 ...
... (protist), a genus of Oomycetes. This disambiguation page lists articles about distinct genera with the same name. If ...
Class Oomycetes (e.g., Phytophthora) Class Hyphochytridiomycetes Class Labyrinthulomycetes Class Haptophyceae Order ...
In Oomycetes, oospores can also result from asexual reproduction, by apomixis. These are found in fungi as sexual spores which ... An oospore is a thick-walled sexual spore that develops from a fertilized oosphere in some algae, fungi, and oomycetes. They ... These haploid, non-motile spores are the site of meiosis and karyogamy in oomycetes. A dormant oospore, when observed under an ... Fry, William, E. "Introduction to Oomycetes". American Phytopathological Society. Retrieved 29 March 2021.{{cite web}}: CS1 ...
... is a family of oomycetes. Albuginaceae contains the following subtaxa: Albugo Albugo achyranthis Albugo ...
This article is a list of diseases of poinsettia (Euphorbia pulcherrima). This also includes oomycetes "Diseases of Poinsettia ...
... some oomycetes (e.g., Saprolegnia, Plasmopara viticola), opalines, some "heliozoans" (e.g., Actinophrys, Actinosphaerium) In ...
... is a systemic fungicide used for control of soil, root and leaf disease caused by oomycetes. It is used by watering ... Propamocarb has fungicidal activity only against oomycetes. Propamocarb has low general toxicity, and almost no teratogenicity ...
... is a genus of parasitic oomycetes. They were formerly classified as fungi. Most species are plant parasites, but ... are mycoparasites of plant pathogenic fungi and oomycetes, and have received interest as potential biocontrol agents. Pythium ...
This includes blue-green algae (Cyanobacteria); fungi, including chytrids, oomycetes, and slime moulds; photosynthetic protists ...
... is an oomycete or water mold, a fungus-like microorganism that causes the serious potato and tomato ... Fry, W. E.; Grünwald, N. J. (2010), "Introduction to Oomycetes", The Plant Health Instructor, doi:10.1094/PHI-I-2010-1207-01 ... Compost, soil or potting medium can be heat-treated to kill oomycetes such as Phytophthora infestans. The recommended ... "Author Correction: Threats to global food security from emerging fungal and oomycete crop pathogens". Nature Food. Nature ...
All oomycetes, including Sclerophthora macrospora, produce oospores. Oospores are sexual spores produced by the fusion of an ...
Ustyantsev K, Blinov A, Smyshlyaev G (14 March 2017). "Convergence of retrotransposons in oomycetes and plants". Mobile DNA. 8 ...