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Prickly pears (genus Opuntia) include a number of plant species that were introduced and have become invasive in Australia. Prickly pears (mostly Opuntia stricta) were imported into Australia in the First Fleet as hosts of cochineal insects, used in the dye industry. [1] Many of these, especially the tiger pear, quickly became widespread ...
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. [1] Cacti are well-adapted to aridity; however, they are still vulnerable to alterations in precipitation and temperature driven by climate change. [ 2 ]
Opuntia maxima Mill. Opuntia paraguayensis K.Schum. 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. [3] O. ficus-indica is the most widespread and most commercially ...
Use as a biological control agent. In South Africa, Dactylopius opuntiae was introduced in 1932 along with three other insect species to control the cactus. Dactylopius opuntiae cleaned 75% of the infested areas, including those with the highest levels of opuntia infestation. Subsequently, about 90% of the original 900,000 ha returned to sheep ...
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. [2] Common names include erect prickly pear and nopal estricto (Spanish). [4] The first description as Cactus strictus was published in 1803 by Adrian Hardy Haworth.
From the Report of the Prickly-pear Travelling Commission. In 1912, Johnston was appointed chairman for a committee, the Prickly-Pear Travelling Commission, formed to investigate control measures for the prickly pear cactus. In 1788, Governor Philip and the early colonists are credited with the introduction of the prickly pear to Australia. The ...
By 1862 prickly pear was growing in the Chinchilla district and spread rapidly in areas where land holdings were extensive and population relatively low. [1] Prickly pear was declared a noxious weed in Queensland in 1893. By 1900 approximately 10,000,000 acres (4,000,000 ha) were affected by prickly pear; an area which had extended to an ...
Opuntia. Species: O. aurantiaca. Binomial name. Opuntia aurantiaca. Lindl. [2] Opuntia aurantiaca, commonly known as tiger-pear, jointed cactus or jointed prickly-pear, is a species of cactus from South America. [2] The species occurs naturally in Argentina, Paraguay and Uruguay and is considered an invasive species in Africa and Australia.