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Solanum dolichocremastrum

Common Name(s) Papa de gentil, Jupay papa (Ochoa 2004)
Solanum dolichocremastrum plant
Solanum dolichocremastrum plant
Code dcm
Synonyms S. chavinense, S. huanucense
Clade 3
Series Tuberosa
Ploidy Diploid (2x)
EBN 1
Tuberization Photoperiod
Short day
Self-compatible No
Genome
PP
Cytoplasm Type M (Hosaka 2009, as C)
Citation
Bitter: Repert. Spec. Nov. Regni Veg. 12: 3. 1913.

Description

Solanum dolichocremastrum distribution map
Solanum dolichocremastrum distribution map

Solanum dolichocremastrum (dolichocremastrum leans something like long hanging or hanging down) is a wild potato species native to Peru.  Plants reach about two feet tall.  Tubers round and white, reaching about an inch in diameter.

Resistances

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

Condition Type Level of Resistance Source
Late Blight Fungus Resistant Champouret 2010
Late Blight Fungus Not Resistant Gonzales 2002, Tiwari 2015

Glykoalkaloid content

Images

Solanum dolichocremastrum plant
Solanum dolichocremastrum plant
Solanum dolichocremastrum flower buds
Solanum dolichocremastrum flower buds
Solanum dolichocremastrum flower
Solanum dolichocremastrum flower
Solanum dolichocremastrum leaf
Solanum dolichocremastrum leaf
Solanum dolichocremastrum flower
Solanum dolichocremastrum flower
Berry of the wild potato species Solanum dolichocremastrum
Solanum dolichocremastrum berry
Flower of the wild potato species Solanum dolichocremastrum
Solanum dolichocremastrum flower
Berries of the wild potato species Solanum dolichocremastrum
Solanum dolichocremastrum berries
       

Cultivation

I have found this species difficult to germinate.  It may require different conditions than the standard for S. tuberosum.

Breeding

Crosses with S. tuberosum

Female Male Berry Set
Seed Set Germ Ploidy Source
 S. tuberosum S. dolichocremastrum Low None     Jackson (1999)
             

Crosses with other species

Jackson (1999) found 1-4% 2n pollen for varieties of this species.

Female Male Berry Set
Seed Set Germ Ploidy Source
             

References

Solanum dolichocremastrum at Solanaceae Source

Solanum dolichocremastrum at GRIN Taxonomy

Solanum dolichocremastrum at CIP