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Rust, Kern's pear Gymnosporangium kernianum. Rust, Pacific Coast pear Gymnosporangium libocedri. Rust, pear trellis (European pear rust) Gymnosporangium fuscum. Rust, Rocky Mountain pear Gymnosporangium nelsonii. Side rot Phialophora malorum. Silver leaf Chondrostereum purpureum. Sooty blotch Gloeodes pomigena. Thread blight (Hypochnus leaf blight)
This wild pear and Pyrus caucasica (syn. P. communis subsp. caucasica) are thought to be the ancestors of the cultivated European pear (Pyrus communis subsp. communis). Both the wild pears are interfertile with domesticated pears. It is sometimes difficult to distinguish Pyrus pyraster from a common pear. Pyrus pyraster can reach an age of 100 ...
Cercospora minima is a fungal plant pathogen. In the European pear, it is the cause of the disease known as late leaf spot. [1] The geographic distribution includes India, South America, and the south-eastern United States. [2]
In the Belgian province of Limburg, one of the orchards in the country's pear-growing heartland stands out as unusual: a cluster of 12 transparent domes, perched high by a mirrored wall above the ...
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Pyrus communis, the common pear, is a species of pear native to central and eastern Europe, and western Asia. [3]It is one of the most important fruits of temperate regions, being the species from which most orchard pear cultivars grown in Europe, North America, and Australia have been developed.
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.
The Callery pear tree is invasive since it can grow in any soil type. The tree itself grows sterile fruit, but due to cross-pollination, some of its cultivars, like the Bradford pear, grow fertile ...