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Solanum tarnii

Common Name(s)  
Tubers of the wild potato species Solanum tarnii
Solanum tarnii tubers
Code trn
Synonyms  
Clade 1
Series Pinnatisecta
Ploidy Diploid (2x)
EBN Unknown (probably 1EBN)
Self-compatible No
Genome
BB
Cytoplasm Type  

Description

Solanum tarnii distribution map
Solanum tarnii distribution map

Solanum tarnii (tarnii, in honor of T.R. Tarn, who was involved in the first collection of this species) is native to Mexico, primarily Hidalgo.  Plants roughly 2 to 3 feet tall.  White flowers.  Very little has been written about this species.

Jarvis (2008) predicts that this species will become extinct in the wild by 2055 due to climate change.

Resistances

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

Condition Type Level of Resistance Source
Colorado Potato Beetle   Resistant Pelletier (2007)
Late Blight Fungus Somewhat resistant Bachmann-Pfabe 2019
Potato Cyst Nematode (G. pallida) Invertebrate Not resistant Bachmann-Pfabe 2019
Potato Virus Y, C Strain   Resistant Takacs 1999

Glykoalkaloid content

Images

Solanum tarnii plant
Solanum tarnii plant
Solanum tarnii plant
Solanum tarnii plant
Solanum tarnii flower
Solanum tarnii flower
Solanum tarnii flower buds
Solanum tarnii flower buds
Flower of the wild potato species Solanum tarnii
Solanum tarnii flower
Tubers of the wild potato species Solanum tarnii
Solanum tarnii tubers
Seedlings of the wild potato species Solanum tarnii
Solanum tarnii seedlings
 
       

Cultivation

Breeding

Crosses with S. tuberosum

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

Crosses with other species

Jackson (1999) found that 7-13% of varieties of this species produced 2n pollen, which would be effectively tetraploid and 2EBN.

Female Male Berry Set
Seed Set Ploidy Germ Source
             

References

Solanum tarnii at Solanaceae Source

Solanum tarnii at GRIN Taxonomy

 

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