Return to Wild Potato IndexPurchase seeds or tubers of Solanum dolichocremastrum

Solanum dolichocremastrum

Common Name(s)Papa de gentil, Jupay papa (Ochoa 2004)
Solanum dolichocremastrum plant
Solanum dolichocremastrum plant
Codedcm
SynonymsS. chavinense, S. huanucense
Clade3
SeriesTuberosa
PloidyDiploid (2x)
EBN1
Tuberization Photoperiod
Short day
Self-compatibleNo
Genome
PP
Cytoplasm TypeM (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.

ConditionTypeLevel of ResistanceSource
Late BlightFungusResistantChampouret 2010
Late BlightFungusNot ResistantTiwari 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

FemaleMaleBerry Set
Seed SetGermPloidySource
 S. tuberosumS. dolichocremastrumLowNone  Jackson (1999)
       

Crosses with other species

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

FemaleMaleBerry Set
Seed SetGermPloidySource
       

References

Solanum dolichocremastrum at Solanaceae Source

Solanum dolichocremastrum at GRIN Taxonomy

Solanum dolichocremastrum at CIP