Puccinia cacabata: Difference between revisions
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{{short description|Species of fungus}} |
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{{Taxobox |
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{{Speciesbox |
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| image = |
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| regnum = [[Fungi]] |
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| phylum = [[Basidiomycota]] |
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| classis = [[Urediniomycetes]] |
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| authority = Arthur & Holw. (1925)<ref>Arthur, Proc. Am. Phil. Soc. 64: 179 (1925)</ref> |
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| subclassis = [[Incertae sedis]] |
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| ordo = [[Uredinales]] |
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| familia = [[Pucciniastraceae]] |
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| genus = ''[[Puccinia]]'' |
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| binomial = ''Puccinia cacabata'' |
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| binomial_authority = Arthur & Holw., (1925) |
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'''''Puccinia cacabata''''' (southwestern cotton rust) is a fungal species and [[plant pathogen]] that causes [[rust (fungus)|rust]] on [[cotton]]. |
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It was originally found on the leaves of ''[[Chloris ciliata]]'' (fringed windmill grass) in Bolivia.<ref>{{cite web |title=Species Fungorum - Names Record |url=https://www.speciesfungorum.org/Names/NamesRecord.asp?RecordID=259234 |website=www.speciesfungorum.org |access-date=22 August 2023}}</ref> |
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==Description== |
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'''Puccinia cacabata''' is a plant pathogen. |
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he first disease symptom on cotton is the appearance of small, somewhat inconspicuous, pale-green [[lesions]] which are the first sign of disease. The lesions then develop into bright yellow spermogonial (conceptacle containing [[spermatia]]) pustules, usually on the upper leaf surfaces of the host plant. Spermogonial pustules may also appear on any of the above-ground plant parts, such as the stems. Within about 10 days of spermogonium formation, cup-like [[aecia]] (spore reproductive structures) erupt through the lower leaf epidermis. The aecia are large and can easily be observed. They appear as orange-yellow, circular, and slightly raised lesions produced on the lower leaf surfaces, bracts, green bolls and stems of cotton plants. Severe infections may cause defoliation and dwarfing of bolls. Infection of cotton seedlings may cause death. The first symptoms on [[Bouteloua|grama grass]] are small, pale-brown uredinial lesions on the leaves. The [[Telium|telia]] are produced on grama grass either in the uredinium (pustules) or separately as dark-brown to black raised pustules.<ref>{{cite journal |last1=Percy |first1=R.G. |last2=Turcotte |first2=E.L. |title=Registration of Three Germplasm Lines of Cotton |journal=Crop Science |date=March–April 1993 |volume=33 |issue=2 |page=347 |doi=10.2135/cropsci1993.0011183X003300020030x}}</ref><ref>{{cite book |last1=Nyvall |first1=Robert F. |title=Field Crop Diseases Handbook |date=1993 |publisher=Springer |location=New York, NY |isbn=978-1-4757-5223-6}}</ref><ref>{{cite book |last1=Olsen |first1=M. |last2=Silvertooth |first2=J.C. |title=Diseases and production problems of cotton in Arizona. |date=2001 |publisher=Plant Disease Publications. |location=The University of Arizona, College of Agriculture & Life Sciences, Cooperative Extension}}</ref> |
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==See also== |
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* [[List of Puccinia species|List of ''Puccinia'' species]] |
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==References== |
==References== |
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{{Reflist}} |
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<references /> |
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==External links== |
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{{Taxonbar|from=Q2116683}} |
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[[Category:Cotton diseases]] |
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[[Category:Puccinia|cacabata]] |
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[[Category:Fungi described in 1925]] |
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[[Category:Fungus species]] |
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{{Teliomycotina-stub}} |
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Latest revision as of 06:30, 14 May 2024
| Puccinia cacabata | |
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Fungi |
| Division: | Basidiomycota |
| Class: | Pucciniomycetes |
| Order: | Pucciniales |
| Family: | Pucciniaceae |
| Genus: | Puccinia |
| Species: | P. cacabata
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| Binomial name | |
| Puccinia cacabata Arthur & Holw. (1925)[1]
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Puccinia cacabata (southwestern cotton rust) is a fungal species and plant pathogen that causes rust on cotton. It was originally found on the leaves of Chloris ciliata (fringed windmill grass) in Bolivia.[2]
Description
[edit]he first disease symptom on cotton is the appearance of small, somewhat inconspicuous, pale-green lesions which are the first sign of disease. The lesions then develop into bright yellow spermogonial (conceptacle containing spermatia) pustules, usually on the upper leaf surfaces of the host plant. Spermogonial pustules may also appear on any of the above-ground plant parts, such as the stems. Within about 10 days of spermogonium formation, cup-like aecia (spore reproductive structures) erupt through the lower leaf epidermis. The aecia are large and can easily be observed. They appear as orange-yellow, circular, and slightly raised lesions produced on the lower leaf surfaces, bracts, green bolls and stems of cotton plants. Severe infections may cause defoliation and dwarfing of bolls. Infection of cotton seedlings may cause death. The first symptoms on grama grass are small, pale-brown uredinial lesions on the leaves. The telia are produced on grama grass either in the uredinium (pustules) or separately as dark-brown to black raised pustules.[3][4][5]
See also
[edit]References
[edit]- ^ Arthur, Proc. Am. Phil. Soc. 64: 179 (1925)
- ^ "Species Fungorum - Names Record". www.speciesfungorum.org. Retrieved 22 August 2023.
- ^ Percy, R.G.; Turcotte, E.L. (March–April 1993). "Registration of Three Germplasm Lines of Cotton". Crop Science. 33 (2): 347. doi:10.2135/cropsci1993.0011183X003300020030x.
- ^ Nyvall, Robert F. (1993). Field Crop Diseases Handbook. New York, NY: Springer. ISBN 978-1-4757-5223-6.
- ^ Olsen, M.; Silvertooth, J.C. (2001). Diseases and production problems of cotton in Arizona. The University of Arizona, College of Agriculture & Life Sciences, Cooperative Extension: Plant Disease Publications.
External links
[edit]