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Solanum okadae

Common Name(s) Monte ch’ogue
Code oka
Synonyms S. venatoris
Clade 4
Series Tuberosa
Ploidy Diploid (2x)
EBN Unknown (probably 2EBN)
Self-compatible No
Cytoplasm Type  


Primarily a western Bolivian species, ranging south into Argentina, growing in moist mid-elevation habitats.  Plants about a foot tall.  Stolons two feet long or more.  Tubers round to ovoid, reaching about an inch in diameter.  Flowers white.  Berries round and a little more than 1/2 inch in diameter.

Ochoa (1990) notes that this species is unusually vulnerable to late blight.  Vega (1995) found that this species is less frost tolerant than domesticated potato.

EBN of this species has not yet been determined.

Condition Level of Resistance Source

Glykoalkaloid content




Camadro (2008) reports that seed production is difficult in this species even though it produces fertile pollen.


Crosses with S. tuberosum

Female Male Berry Set Seed Set Germination Ploidy Source
S. tuberosum S. okadae Low Low     Jackson (1999)
S. okadae S. tuberosum None None     Jackson (1999)
S. okadae S. tuberosum Yes Low     Camadro (2008)

Crosses with other species

Jackson (1999) found 4-10% 2n pollen for varieties of this species and Camadro (2008) found 0 to 5% 2n pollen and 0 to 3% 4n pollen.

Female Male Berry Set Seed Set Germination Ploidy Source



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