Pyrus pyrifolia 'Asio 4'

Cultivar

Angiosperms > Rosales > Rosaceae > Pyrus > Pyrus pyrifolia

Characteristics

A perennial hermaphrodite deciduous tree.
Life form perennial
Growth form tree
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Foliage retention deciduous
Sexuality hermaphrodite
Pollination entomogamy
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Cultivation

A late-season, russeted Pyrus pyrifolia cultivar. Origin: Developed by Joel and Ruth Spira, Eugene Konno, and Neil Vincent in Coopersburg, Pa. Open-pollinated seed from Japan planted in 1983. Fruited in 1987. USPP 9822 issued 11 Mar. 1997 to Subarashii Kudamono Co., Coopersburg, Pa. Tree: dense, vigorous, consistent, heavy crop; self-infertile. Fruit: ovate, variable, with prominent lobe at calyx end, medium, up to 250 g; stem medium, clubbed, with prominent lenticels; cavity acute; basin narrow with persistent calyx; skin completely russeted, light brown with prominent, raised, tan lenticels; flesh white, crisp, juicy, very sweet, low acid; ripe mid-late October in Coopersburg, Pa., a few days later than Seuri.
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Minimum temperature (C°) -23
Optimum temperature (C°) 17 - 25
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Vigor vigorous
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Wikipedia (EN)
Wikipedia (FR)

Synonyms

Pyrus pyrifolia 'Asio 4' Pyrus pyrifolia 'SuSan™'