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Solanum colombianum

Description

Solanum colombianum distribution Map note

Solanum colombianum (colombianum should be self explanatory) is a woodland species ranging from southern Ecuador through Colombia and into Venezuela.  Plants up to two feet tall.  Stolons to about 16 inches.  Tubers whitish, ovoid, to about an inch.  Flowers white to light blue.  Berries conical.  Grows from roughly 7,200 to 12,500 feet (2200 to 3800 m) (Correll 1962).

Resistances

Vega (1995) found that this species is less frost tolerant than domesticated potato.

Condition Type Level of Resistance Source
Alternaria solani (Early Blight) Fungus Not resistant Jansky 2008
Frost Abiotic Somewhat resistant Machida-Hirano 2015 (as S. moscopanum)
Globodera pallida (Pale Cyst Nematode) Invertebrate Not resistant Bachmann-Pfabe 2019
Pectobacterium carotovorum (Blackleg/Soft Rot) Bacteria Somewhat resistant Chung 2011
Phytophthora infestans (Late Blight) Fungus Not resistant Gonzales 2002
Phytophthora infestans (Late Blight) Fungus Not resistant Bachmann-Pfabe 2019
Phytophthora infestans (Late Blight) Fungus Somewhat resistant Machida-Hirano 2015
Potato Virus Y (PVY) Virus Not resistant Cai 2011

Glykoalkaloid content

No information.

Images

Aerial plant of the wild potato species Solanum colombianum
Solanum colombianum plant
Berries of the wild potato species Solanum colombianum
Solanum colombianum berries
   
       
       

Cultivation

I have have found this species difficult to germinate and have been unsuccessful in getting the small number of seedlings produced to maturity.

Towill (1983) found that seeds of this species stored at 1 to 3 degrees C germinated at 62% after 20 years.

Breeding

Watanabe (1991) found that 4.2% of varieties of this species produced 2n pollen.

Crosses with S. tuberosum

Female Male Berry Set
Seed Set Germ Ploidy Source
S. colombianum 4x S. tuberosum 4x None None     Jackson (1999)
S. colombianum 4x (as S. tundalomense) S. tuberosum 4x Low Moderate     Jackson (1999)
S. colombianum 6x (as S. moscopanum) S. tuberosum 4x Moderate Moderate     Jackson (1999)
S. tuberosum 4x S. colombianum 4x (as S. tundalomense) Minimal None     Jackson (1999)
S. tuberosum 4x S. colombianum 6x (as S. moscopanum) None None     Jackson (1999)

Crosses with other species

Female Male Berry Set
Seed Set Germ Ploidy Source
S. chomatophilum S. colombianum (as S. jaenense) Yes Very low     Ochoa 2004
S. colombianum (as S. jaenense) S. chomatophilum Yes No     Ochoa 2004

References

Solanum colombianum at Solanaceae Source

Solanum colombianum at GRIN Taxonomy

Solanum colombianum at CIP