Phyllosticta concava

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Phyllosticta concava
Phyllosticta concava imported from iNaturalist photo 236581920 on 15 March 2024.jpg
Saguaro National Park, Arizona, United States
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Fungi
Division: Ascomycota
Class: Dothideomycetes
Order: Botryosphaeriales
Family: Botryosphaeriaceae
Genus: Phyllosticta
Species:
P. concava
Binomial name
Phyllosticta concava
Seaver (1922)

Phyllosticta concava, also known as opuntia dry rot [1] or prickly pear brown spot, is a species of fungus that infects opuntia cactus, leaving discolored circular depressions in the pads. [2] [3] The species was first formally described by the mycologist Fred Jay Seaver in 1922.

Related Research Articles

<span class="mw-page-title-main">Nopal</span> Fruit of the Opuntia cactus

Nopal is a common name in Spanish for Opuntia cacti, as well as for its pads. The name nopal derives from the Nahuatl word nohpalli for the pads of the plant.

<span class="mw-page-title-main">Aaron's beard</span> Index of plants with the same common name

Aaron's beard may refer to the following plants having numerous stamens or threadlike runners:

<i>Opuntia ficus-indica</i> Species of cactus

Opuntia ficus-indica, the Indian fig opuntia, fig opuntia, or prickly pear, is a species of cactus that has long been a domesticated crop plant grown in agricultural economies throughout arid and semiarid parts of the world. O. ficus-indica is the most widespread and most commercially important cactus. It is grown primarily as a fruit crop, and also for the vegetable nopales and other uses. Cacti are good crops for dry areas because they efficiently convert water into biomass. O. ficus-indica, as the most widespread of the long-domesticated cactuses, is as economically important as maize and blue agave in Mexico. Opuntia species hybridize easily, but the wild origin of O. ficus-indica is likely to have been in central Mexico, where its closest genetic relatives are found.

<i>Cactoblastis cactorum</i> Species of moth

Cactoblastis cactorum, the cactus moth, South American cactus moth or nopal moth, is native to Argentina, Paraguay, Uruguay and southern Brazil. It is one of five species in the genus Cactoblastis that inhabit South America, where many parasitoids, predators and pathogens control the expansion of the moths' population. This species has been introduced into many areas outside its natural range, including Australia, the Caribbean, and South Africa. In some locations, it has spread uncontrollably and was consequently classified an invasive species. However, in other places such as Australia, it has gained favor for its role in the biological control of cacti from the genus Opuntia, such as prickly pear.

<i>Opuntia engelmannii</i> Species of cactus

Opuntia engelmannii is a prickly pear common across the south-central and Southwestern United States and northern Mexico. It goes by a variety of common names, including desert prickly pear, discus prickly pear, Engelmann's prickly pear in the US, and nopal, abrojo, joconostle, and vela de coyote in Mexico.

<i>Opuntia gosseliniana</i> Species of cactus

Opuntia gosseliniana, commonly known as the violet pricklypear, is a species of cactus that is native to Pima County, Arizona in the United States and Baja California, Chihuahua, and Sonora in Mexico.

<i>Opuntia stricta</i> Species of cactus

Opuntia stricta is a species of large cactus that is endemic to the subtropical and tropical coastal areas of the Americas, especially around the Caribbean. Common names include erect prickly pear and nopal estricto (Spanish). The first description as Cactus strictus was published in 1803 by Adrian Hardy Haworth. In 1812 he moved the species to the genus Opuntia.

<i>Opuntia phaeacantha</i> Species of cactus

Opuntia phaeacantha is a species of prickly pear cactus known by the common names brown-spine prickly pear, tulip prickly pear, and desert prickly pear found across the southwestern United States, lower Great Plains, and northern Mexico. The plant forms dense but localized thickets. Several varieties of this particular species occur, and it may hybridize with other prickly pears, making identification sometimes tricky.

<i>Opuntia monacantha</i> Species of cactus

Opuntia monacantha, commonly known as drooping prickly pear, cochineal prickly pear, or Barbary fig, is a species of plant in the family Cactaceae native to South America.

<i>Opuntia basilaris</i> Species of cactus

Opuntia basilaris, the beavertail cactus or beavertail pricklypear, is a cactus species found in the southwest United States. It occurs mostly in the Mojave, Anza-Borrego, and Colorado Deserts, as well as in the Colorado Plateau and northwest Mexico. It is also found throughout the Grand Canyon and Colorado River region as well as into southern Utah and Nevada, and in the western Arizona regions along the Lower Colorado River Valley.

<i>Opuntia humifusa</i> Species of cactus

Opuntia humifusa, commonly known as the devil's-tongue, eastern prickly pear or Indian fig, is a cactus of the genus Opuntia present in parts of the eastern United States, Mississippi and northeastern Mexico.

<i>Opuntia</i> Genus of cactus

Opuntia, commonly called the prickly pear cactus, is a genus of flowering plants in the cactus family Cactaceae, many known for their flavorful fruit and showy flowers. Cacti are well-adapted to aridity, however, they are still vulnerable to alterations in precipitation and temperature driven by climate change. Prickly pear alone is more commonly used to refer exclusively to the fruit, but may also be used for the plant itself; in addition, other names given to the plant and its specific parts include tuna (fruit), sabra, sabbar, nopal from the Nahuatl word nōpalli, nostle (fruit) from the Nahuatl word nōchtli, and paddle cactus. The genus is named for the Ancient Greek city of Opus, where, according to Theophrastus, an edible plant grew and could be propagated by rooting its leaves. The most common culinary species is the "Barbary fig".

<i>Opuntia chlorotica</i> Species of cactus

Opuntia chlorotica is a species of plant in the family Cactaceae. It is a species of prickly pear native to the southwestern United States and northern Mexico. Its common names include pancake prickly pear, flapjack prickly pear and dollarjoint prickly pear.

<i>Opuntia aciculata</i> Species of cactus

Opuntia aciculata, also called Chenille pricklypear, old man's whiskers, and cowboy's red whiskers, is a perennial dicot and an attractive ornamental cactus native to Texas. It belongs to the genus Opuntia. It is also widespread in Nuevo Leon and Tamaulipas.

<i>Opuntia aurantiaca</i> Species of cactus

Opuntia aurantiaca, commonly known as tiger-pear, jointed cactus or jointed prickly-pear, is a species of cactus from South America. The species occurs naturally in Argentina, Paraguay and Uruguay and is considered an invasive species in Africa and Australia.

<i>Opuntia triacantha</i> Species of cactus

Opuntia triacantha is a species of cactus known by the common names Spanish lady, Keys Joe-jumper, Big Pine Key prickly-pear, and jumping prickly apple. It is native to the Caribbean, from Desecheo Island, Puerto Rico, to the Lesser Antilles.

<i>Opuntia macrocentra</i> Species of cactus

Opuntia macrocentra, the long-spined purplish prickly pear or purple pricklypear, is a cactus found in the lower Southwestern United States and Northwestern Mexico. A member of the prickly pear genus, this species of Opuntia is most notable as one of a few cacti that produce a purple pigmentation in the stem. Other common names for this plant include black-spined pricklypear, long-spine prickly pear, purple pricklypear, and redeye prickly pear.

<i>Opuntia rufida</i> Species of cactus

Opuntia rufida is a species of prickly pear cactus native to southwestern Texas and northern Mexico, where it grows on rocky slopes. The species makes up for its total lack of spines with a profusion of red-brown glochids. The common name blind prickly pear or cow blinder comes from the fact that the glochids may be carried away by the wind and blind animals.

<i>Opuntia austrina</i> Species of cactus

Opuntia austrina, also known as the Florida prickly pear, is a prickly pear cactus species that is endemic to Florida in the United States.

References

  1. Pirone, Pascal P. (1978-03-14). Diseases and Pests of Ornamental Plants. John Wiley & Sons. ISBN   978-0-471-07249-2.
  2. Grant, Bonnie L. (2017-04-13). "Prickly Pear Leaf Spot: Treatment For Phyllosticta Fungus In Cactus". gardeningknowhow. Retrieved 2024-03-16.
  3. Kempken, F. (2002-06-12). Agricultural Applications. Springer Science & Business Media. p. 137. ISBN   978-3-540-42628-8.