Juglans regia 'Colby'

Cultivar

Angiosperms > Fagales > Juglandaceae > Juglans > Juglans regia

Characteristics

A perennial monoecious deciduous tree.
Life form perennial
Growth form tree
Growth support -
Foliage retention deciduous
Sexuality monoecy
Pollination anemogamy
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Environment

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Usage

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Edible -
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Cultivation

Origin: in Urbana, Ill., by A.S. Colby, Illinois Agr. Expt. Sta. Introd. in 1952; named in 1951. Open-pollinated seedling of Crath 10; Carpathian type seed secured from Cosseev, Poland, in 1934; first fruited in 1942 in Illinois; tested as Ill. 10. Nut: medium size; thin shell, well-sealed; kernel plump, good flavor; early maturity. Tree: hardy and fruitful in central Illinois; probably best adapted to areas north of the Ohio River; flowers early; protandrous. Fruit:
Mode -
Germination duration (days) 30 - 180
Germination temperacture (C°) 10 - 15
Germination luminosity -
Germination treatment stratification
Minimum temperature (C°) -23
Optimum temperature (C°) 15 - 30
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Identifiers

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Wikipedia (EN)
Wikipedia (FR)

Synonyms

Juglans regia 'Colby'