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Mar. 29—The State of Indiana Cooperative Invasives Management is cautioning against the use of ornamental pear trees in landscaping due to it being an invasive plant species. Callery pear trees ...
Pyrus calleryana, also known as the Callery pear or Bradford pear, is a species of pear tree native to China and Vietnam, [2] in the family Rosaceae.It is most commonly known for its cultivar 'Bradford' and its offensive odor, widely planted throughout the United States and increasingly regarded as an invasive species.
Bradford pear tree problems Bradford pears are not native to the U.S., but were brought from China and Vietnam in the 1950s. At the time they were considered the perfect trees by landscapers.
The Callery pear, or Bradford pear, is one of those vampires. Over the years, Callery pear (Pyrus calleryana) has become one of the most widely planted ornamental trees in the US. But over that ...
In southern Germany apple and pear trees have been a part of the landscape for a long time, and are difficult to protect. The decline of apple and pear trees from their landscape can be expensive to replace and could have a negative effect on tourism. In the long-run, fire blight is a very important factor of economy and society. [citation needed]
Black spot (of Japanese pear) Alternaria alternata. Blister canker Helminthosporium papulosum. Blister disease Coniothecium chomatosporum: Blue mold rot Penicillium spp. Penicillium expansum. Botrytis spur and blossom blight Botrytis cinerea Botryotinia fuckeliana [teleomorph] Brown rot Monilinia fructicola Monilinia laxa. Cladosporium fruit rot
Pyrus ussuriensis, also known as the Ussurian pear, Harbin pear, and Manchurian pear, is a species of flowering plant in the family Rosaceae. [1] It is native to Korea, Japan, china, and the Ussuri River area of far eastern Russia. It has flowers in spring that are slightly pink when budding and then turn white. [2]
Pyrus pashia commonly occurs in mid-hill regions from the Caucasus to the Himalaya, between 750 and 2,600 metres (2,460 and 8,530 ft) above sea-level. [6] The trees themselves, unlike the fruit, are not much sold in the retail trade, and beyond those growing wild the species can be found almost exclusively in local home gardens.