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Bosc Pear, from The Pears of New York (1921) by Ulysses Prentiss Hedrick [1] The Beurré Bosc or Bosc is a cultivar of the European pear (Pyrus communis), originally from France or Belgium. Also known as the Kaiser, it is grown in Europe, Australia, British Columbia and Ontario, Canada, and the U.S. states of California, Washington, and Oregon.
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
Bosc Pears. Bosc pears are unique for their brown color and elongated shape. The skin can have a relatively rough texture, but the flesh is perfectly sweet and crisp.
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.
Pear tree diseases (21 P) S. Stone fruit tree diseases (53 P) Pages in category "Fruit tree diseases" The following 27 pages are in this category, out of 27 total.
Haralson with its typical peel coloration from sooty blotch and flyspeck. Sooty blotch and flyspeck is a descriptive term for a condition of darkly pigmented blemishes and smudges caused by a number of different fungi affecting fruit including apples, pear, persimmon, banana, papaya, and several other cultivated tree and vine crops.
It occurs less commonly in pears. The disease was probably first reported in Germany where it was known as Stippen. [1] It was also known as "Baldwin spot" and "blotchy cork" in North America. The name "bitter pit" was first used by Cobb in Australia in 1895. [2] The disease has been shown as non-pathological and is now known as a disorder.
Gymnosporangium sabinae is a species of rust fungus in the subdivision Pucciniomycotina.Known as pear rust, European pear rust, or pear trellis rust, it is a heteroecious plant pathogen with Juniperus sabina (savin juniper) as the main primary host and Pyrus communis (common pear) as the main secondary host.