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Prickly Pear photograph album 1926-1933 digitised and held by State Library of Queensland; Prickly pears in Australia at the Australian Weeds Committee; History of prickly pear in Australia - from a New South Wales' perspective; A prickly problem : Dr Jean White-Haney and the prickly pear, State Library of Queensland
During 1920 to 1922, he travelled overseas yet again to seek a solution to the prickly pear problem, travelling from Sydney to Java, Ceylon, Europe, the US, Mexico and South America. Efforts had been made to introduce the insect Cactoblastis cactorum in 1914, and it did feed on the prickly pear, but died out in 1921.
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 .
Rose Ethel Janet White-Haney (11 March 1877 – 21 October 1953), known as Jean White-Haney, was a botanist in Queensland, Australia. She was officer-in-charge of the Queensland Board of Advice on Prickly Pear Destruction and helped develop biological control methods for managing the invasive cactus. [1]
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 stricta has been introduced to other parts of the world, including Africa (including Madagascar), [9] Australia and southern Asia. O. stricta is considered an invasive species in South Africa and Kenya. [10] In Australia it has been the subject of one of the first effective biological control exercises using the moth Cactoblastis ...
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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 ...