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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 .
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 ...
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
Pages in category "Pear tree diseases" The following 21 pages are in this category, out of 21 total. This list may not reflect recent changes. * List of pear diseases; C.
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.
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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]
Cacopsylla pyricola, commonly known as the pear sucker, [1] is a true bug in the family Psyllidae and is a pest of pear trees ().It originated in Europe, was introduced to the United States in the early nineteenth century and spread across the country in the next century.