Invasive Species Compendium

Detailed coverage of invasive species threatening livelihoods and the environment worldwide

Datasheet

Setosphaeria rostrata
(leaf spot of grasses)

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Datasheet

Setosphaeria rostrata (leaf spot of grasses)

Summary

  • Last modified
  • 10 June 2021
  • Datasheet Type(s)
  • Pest
  • Natural Enemy
  • Preferred Scientific Name
  • Setosphaeria rostrata
  • Preferred Common Name
  • leaf spot of grasses
  • Taxonomic Tree
  • Domain: Eukaryota
  •   Kingdom: Fungi
  •     Phylum: Ascomycota
  •       Subphylum: Pezizomycotina
  •         Class: Dothideomycetes

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Pictures

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PictureTitleCaptionCopyright
Setosphaeria rostrata (leaf spot of grasses); In this particular view, you will note that the ellipsoid-shaped conidia were sprouting from atop a filamentous hypha. The conidial cells were contained within sacs, instead of being sequestered in septate, confined spaces, which is known as being distoseptate, and the proximal end of each conidium, i.e., the end that is attached to the conidiophore, gave rise to a protuberant, and truncated hilum. CDC. 2012.
TitleConidia and hyphae Ultrastructural morphology
CaptionSetosphaeria rostrata (leaf spot of grasses); In this particular view, you will note that the ellipsoid-shaped conidia were sprouting from atop a filamentous hypha. The conidial cells were contained within sacs, instead of being sequestered in septate, confined spaces, which is known as being distoseptate, and the proximal end of each conidium, i.e., the end that is attached to the conidiophore, gave rise to a protuberant, and truncated hilum. CDC. 2012.
CopyrightPublic Domain - Released by Public Health Image Library - Centers for Disease Control and Prevention
Setosphaeria rostrata (leaf spot of grasses); In this particular view, you will note that the ellipsoid-shaped conidia were sprouting from atop a filamentous hypha. The conidial cells were contained within sacs, instead of being sequestered in septate, confined spaces, which is known as being distoseptate, and the proximal end of each conidium, i.e., the end that is attached to the conidiophore, gave rise to a protuberant, and truncated hilum. CDC. 2012.
Conidia and hyphae Ultrastructural morphologySetosphaeria rostrata (leaf spot of grasses); In this particular view, you will note that the ellipsoid-shaped conidia were sprouting from atop a filamentous hypha. The conidial cells were contained within sacs, instead of being sequestered in septate, confined spaces, which is known as being distoseptate, and the proximal end of each conidium, i.e., the end that is attached to the conidiophore, gave rise to a protuberant, and truncated hilum. CDC. 2012.Public Domain - Released by Public Health Image Library - Centers for Disease Control and Prevention
Setosphaeria rostrata (leaf spot of grasses); In this particular view, you will note that the ellipsoid-shaped conidia were sprouting from atop filamentous hyphae. The conidial cells are contained within sacs, instead of being sequestered in septate, confined spaces, which is known as being distoseptate, and the proximal end of each conidium, i.e., the end that is attached to the conidiophore, gives rise to a protuberant, and truncated hilum. CDC. 2012.
TitleConidia and hyphae Ultrastructural morphology
CaptionSetosphaeria rostrata (leaf spot of grasses); In this particular view, you will note that the ellipsoid-shaped conidia were sprouting from atop filamentous hyphae. The conidial cells are contained within sacs, instead of being sequestered in septate, confined spaces, which is known as being distoseptate, and the proximal end of each conidium, i.e., the end that is attached to the conidiophore, gives rise to a protuberant, and truncated hilum. CDC. 2012.
CopyrightPublic Domain - Released by Public Health Image Library - Centers for Disease Control and Prevention
Setosphaeria rostrata (leaf spot of grasses); In this particular view, you will note that the ellipsoid-shaped conidia were sprouting from atop filamentous hyphae. The conidial cells are contained within sacs, instead of being sequestered in septate, confined spaces, which is known as being distoseptate, and the proximal end of each conidium, i.e., the end that is attached to the conidiophore, gives rise to a protuberant, and truncated hilum. CDC. 2012.
Conidia and hyphae Ultrastructural morphologySetosphaeria rostrata (leaf spot of grasses); In this particular view, you will note that the ellipsoid-shaped conidia were sprouting from atop filamentous hyphae. The conidial cells are contained within sacs, instead of being sequestered in septate, confined spaces, which is known as being distoseptate, and the proximal end of each conidium, i.e., the end that is attached to the conidiophore, gives rise to a protuberant, and truncated hilum. CDC. 2012.Public Domain - Released by Public Health Image Library - Centers for Disease Control and Prevention
Setosphaeria rostrata (leaf spot of grasses); Ultrastructural details including the fine branching septate hyphal filament, septate conidiophores, and septate, ellipsoid shaped macroconidia, branching from each conidiophore in a geniculate manner. CDC/ Dr. Libero Ajello. 1978.
TitleConidiophores and macroconidia Ultrastructural morphology
CaptionSetosphaeria rostrata (leaf spot of grasses); Ultrastructural details including the fine branching septate hyphal filament, septate conidiophores, and septate, ellipsoid shaped macroconidia, branching from each conidiophore in a geniculate manner. CDC/ Dr. Libero Ajello. 1978.
CopyrightPublic Domain - Released by Public Health Image Library - Centers for Disease Control and Prevention
Setosphaeria rostrata (leaf spot of grasses); Ultrastructural details including the fine branching septate hyphal filament, septate conidiophores, and septate, ellipsoid shaped macroconidia, branching from each conidiophore in a geniculate manner. CDC/ Dr. Libero Ajello. 1978.
Conidiophores and macroconidia Ultrastructural morphologySetosphaeria rostrata (leaf spot of grasses); Ultrastructural details including the fine branching septate hyphal filament, septate conidiophores, and septate, ellipsoid shaped macroconidia, branching from each conidiophore in a geniculate manner. CDC/ Dr. Libero Ajello. 1978.Public Domain - Released by Public Health Image Library - Centers for Disease Control and Prevention
Setosphaeria rostrata (leaf spot of grasses); Ultrastructural details including the fine branching septate hyphal filament in the background, septate conidiophore, and septate, ellipsoid shaped macroconidia, branching from the conidiophore in a geniculate manner. CDC/Dr. Libero Ajello. 1978.
TitleConidiophores and macroconidia Ultrastructural morphology
CaptionSetosphaeria rostrata (leaf spot of grasses); Ultrastructural details including the fine branching septate hyphal filament in the background, septate conidiophore, and septate, ellipsoid shaped macroconidia, branching from the conidiophore in a geniculate manner. CDC/Dr. Libero Ajello. 1978.
CopyrightPublic Domain - Released by Public Health Image Library - Centers for Disease Control and Prevention
Setosphaeria rostrata (leaf spot of grasses); Ultrastructural details including the fine branching septate hyphal filament in the background, septate conidiophore, and septate, ellipsoid shaped macroconidia, branching from the conidiophore in a geniculate manner. CDC/Dr. Libero Ajello. 1978.
Conidiophores and macroconidia Ultrastructural morphologySetosphaeria rostrata (leaf spot of grasses); Ultrastructural details including the fine branching septate hyphal filament in the background, septate conidiophore, and septate, ellipsoid shaped macroconidia, branching from the conidiophore in a geniculate manner. CDC/Dr. Libero Ajello. 1978.Public Domain - Released by Public Health Image Library - Centers for Disease Control and Prevention
Setosphaeria rostrata (leaf spot of grasses); Frontal view of a Petri dish culture plate, which contained an unknown growth medium that had been inoculated with a culture of Exserohilum rostratum, also referred to as Setosphaeria rostrata, which had been extracted from a foot lesion of a phaeohyphomycosis patient. Note the colonial coloration ranges between its characteristic gray, to blackish-brown, and exhibited a suede to woolly texture. CDC/ Dr. Libero Ajello. 1977.
TitlePetri dish culture
CaptionSetosphaeria rostrata (leaf spot of grasses); Frontal view of a Petri dish culture plate, which contained an unknown growth medium that had been inoculated with a culture of Exserohilum rostratum, also referred to as Setosphaeria rostrata, which had been extracted from a foot lesion of a phaeohyphomycosis patient. Note the colonial coloration ranges between its characteristic gray, to blackish-brown, and exhibited a suede to woolly texture. CDC/ Dr. Libero Ajello. 1977.
CopyrightPublic Domain - Released by Public Health Image Library - Centers for Disease Control and Prevention
Setosphaeria rostrata (leaf spot of grasses); Frontal view of a Petri dish culture plate, which contained an unknown growth medium that had been inoculated with a culture of Exserohilum rostratum, also referred to as Setosphaeria rostrata, which had been extracted from a foot lesion of a phaeohyphomycosis patient. Note the colonial coloration ranges between its characteristic gray, to blackish-brown, and exhibited a suede to woolly texture. CDC/ Dr. Libero Ajello. 1977.
Petri dish cultureSetosphaeria rostrata (leaf spot of grasses); Frontal view of a Petri dish culture plate, which contained an unknown growth medium that had been inoculated with a culture of Exserohilum rostratum, also referred to as Setosphaeria rostrata, which had been extracted from a foot lesion of a phaeohyphomycosis patient. Note the colonial coloration ranges between its characteristic gray, to blackish-brown, and exhibited a suede to woolly texture. CDC/ Dr. Libero Ajello. 1977.Public Domain - Released by Public Health Image Library - Centers for Disease Control and Prevention

Identity

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Preferred Scientific Name

  • Setosphaeria rostrata Leonard

Preferred Common Name

  • leaf spot of grasses

Other Scientific Names

  • Drechslera halodes (Drechsler) Subram. & B.L. Jain
  • Drechslera rostrata (Drechsler) Richardson & Fraser
  • Exserohilum rostratum (Drechsler) Leonard & Suggs
  • Helminthosporium halodes Drechsler
  • Helminthosporium rostratum Drechsler

International Common Names

  • English: leaf spot of oil palm; target spot of sugarcane
  • Spanish: podredumbre del tallo del maiz
  • French: pourriture des tiges du maïs

EPPO code

  • DRECRO (Drechslera rostrata)

Taxonomic Tree

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  • Domain: Eukaryota
  •     Kingdom: Fungi
  •         Phylum: Ascomycota
  •             Subphylum: Pezizomycotina
  •                 Class: Dothideomycetes
  •                     Subclass: Pleosporomycetidae
  •                         Order: Pleosporales
  •                             Family: Pleosporaceae
  •                                 Genus: Setosphaeria
  •                                     Species: Setosphaeria rostrata

Distribution Table

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The distribution in this summary table is based on all the information available. When several references are cited, they may give conflicting information on the status. Further details may be available for individual references in the Distribution Table Details section which can be selected by going to Generate Report.

Last updated: 25 Feb 2021

List of Symptoms/Signs

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SignLife StagesType
Leaves / abnormal colours

References

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Chern LL, Jie LS, Feng CT, Ho WC, 2011. First report of leaf blight on Calathea picturata caused by Exserohilum rostratum in Taiwan. Plant Disease, 95(8):1033. http://apsjournals.apsnet.org/loi/pdis

Huang ChiaoWen, Huang JinHsing, Tsai JhihNung, Chung LiHsiang, Hsieh TingFang, 2019. Petal spot of Phalaenopsis caused by Exserohilum rostratum. Journal of Taiwan Agricultural Research , 68(1), 47-58. http://www.tari.gov.tw/english/

Liu YX, Shi YP, Cai ZY, 2016. A first report of rubber tree leaf spot caused by Exserohilum rostratum in China. Plant Disease, 100(11):2167-2168. http://apsjournals.apsnet.org/loi/pdis

Luo ZW, He F, Fan HY, Wang XH, Hua M, Hu FC, Li XH, Liu ZX, Yu NT, 2012. First report of leaf spot disease caused by Exserohilum rostratum on pineapple in Hainan Province, China. Plant Disease, 96(3):458-459. http://apsjournals.apsnet.org/loi/pdis

Majeed RA, Shahid AA, Liaqat GA, Saleem K, Asif M, Shafiq M, Haider MS, Noreen M, 2016. First report of Setosphaeria rostrata causing brown leaf spot of rice in Pakistan. Plant Disease, 100(11):2162-2163. http://apsjournals.apsnet.org/loi/pdis

Mirzaee MR, Heydari A, Zare R, Naraghi L, Sabzali F, Hasheminasab M, 2013. Fungi associated with boll and lint rot of cotton in Southern Khorasan province of Iran. Archives of Phytopathology and Plant Protection, 46(11):1285-1294. http://www.tandfonline.com/loi/gapp20

Sharma P, Singh N, Verma OP, 2012. First report of Drechslera halodes causing leaf blight of Crinum latifolium in India. Journal of Plant Pathology, 94(4, Supplement):S4.95. http://www.sipav.org/main/jpp/

Thiessen, L. D., Schappe, T., 2019. First report of Exserohilum rostratum causing foliar blight of industrial hemp (Cannabis sativa). Plant Disease, 103(6), 1414-1414. doi: 10.1094/PDIS-08-18-1434-PDN

Distribution References

Ahmadpour A, Karami S, Heidarian Z, Javan-Nikkhah M, 2013. Exserohilum rostratum causing sugarcane leaf spot in Iran. Australasian Plant Disease Notes. 8 (1), 97-99. DOI:10.1007/s13314-013-0105-y

Al-Sadi A M, Al-Ghaithi A G, Al-Fahdi N, Al-Yahyai R, 2014. Characterization and pathogenicity of fungal pathogens associated with root diseases of citrus in Oman. International Journal of Agriculture and Biology. 16 (2), 371-376. http://www.fspublishers.org/published_papers/94276_..pdf

CABI Data Mining, Undated. CAB Abstracts Data Mining.,

CABI, Undated. CABI Compendium: Status inferred from regional distribution. Wallingford, UK: CABI

CABI, Undated a. CABI Compendium: Status as determined by CABI editor. Wallingford, UK: CABI

Chern L L, Jie L S, Feng C T, Ho W C, 2011. First report of leaf blight on Calathea picturata caused by Exserohilum rostratum in Taiwan. Plant Disease. 95 (8), 1033. http://apsjournals.apsnet.org/loi/pdis DOI:10.1094/PDIS-12-10-0939

Choudhary M, Sardana H R, Bhat M N, Gurjar M S, 2018. First report of leaf spot disease caused by Exserohilum rostratum on bottle gourd in India. Plant Disease. 102 (10), 2042. DOI:10.1094/PDIS-02-18-0315-PDN

Liu Y X, Shi Y P, Cai Z Y, 2016. A first report of rubber tree leaf spot caused by Exserohilum rostratum in China. Plant Disease. 100 (11), 2167-2168. http://apsjournals.apsnet.org/loi/pdis

Luo Z W, He F, Fan H Y, Wang X H, Hua M, Hu F C, Li X H, Liu Z X, Yu N T, 2012. First report of leaf spot disease caused by Exserohilum rostratum on pineapple in Hainan Province, China. Plant Disease. 96 (3), 458-459. http://apsjournals.apsnet.org/loi/pdis DOI:10.1094/PDIS-11-11-0979

Majeed R A, Shahid A A, Liaqat G A, Saleem K, Asif M, Shafiq M, Haider M S, Noreen M, 2016. First report of Setosphaeria rostrata causing brown leaf spot of rice in Pakistan. Plant Disease. 100 (11), 2162-2163. http://apsjournals.apsnet.org/loi/pdis

Mirzaee M R, Heydari A, Zare R, Naraghi L, Sabzali F, Hasheminasab M, 2013. Fungi associated with boll and lint rot of cotton in Southern Khorasan province of Iran. Archives of Phytopathology and Plant Protection. 46 (11), 1285-1294. DOI:10.1080/03235408.2013.765135

Pratt R G, 2001. Occurrence and virulence of Bipolaris hawaiiensis on bermudagrass (Cynodon dactylon) on poultry waste application sites in Mississippi. Plant Disease. 85 (11), 1206. DOI:10.1094/PDIS.2001.85.11.1206B

Pratt R G, 2006. Johnsongrass, yellow foxtail, and broadleaf signalgrass as new hosts for six species of Bipolaris, Curvularia, and Exserohilum pathogenic to bermudagrass. Plant Disease. 90 (4), 528. DOI:10.1094/PD-90-0528B

Shahzad S, 2001. Fungi associated with root and stem of betelvine in Pakistan. Pakistan Journal of Botany. 33 (2), 217-219.

Sharma P, Singh N, Verma O P, 2012. First report of Drechslera halodes causing leaf blight of Crinum latifolium in India. Journal of Plant Pathology. 94 (4, Supplement), S4.95. http://www.sipav.org/main/jpp/

Toher A S M, Ahmad Z A M, Wong M Y, 2016. First report of Exserohilum rostratum as pathogen of rice brown spot in Malaysia. Plant Disease. 100 (1), 226. DOI:10.1094/PDIS-03-15-0276-PDN

Yasmin Ahmad, Mirza M S, Ghaffar A, 2000. Pathogens associated with stalk rot of corn in Pakistan. Pakistan Journal of Botany. 32 (2), 251-253.

Zhang W, Liu J X, Huo P H, Zhang T, 2016. Exserohilum rostratum causes a leaf spot on hybrid Bermudagrass (Cynodon dactylon × C. transvaalensis) in China. Plant Disease. 100 (7), 1504-1505. DOI:10.1094/PDIS-12-15-1427-PDN

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