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Solanum agrimoniifolium

Common Name(s) Tis-botch, ch’in ch’o (Stepp 2002), papa de marrana (Correll 1962)
Tubers of the wild potato species Solanum agrimoniifolium
Solanum agrimoniifolium tubers
Code agf
Synonyms S. agrimonifolium
Clade 3+4
Series Conicibaccata
Ploidy Tetraploid (4x)
EBN 2
Tuberization Photoperiod Short day
Self-compatible Yes (Lester 1991)
Genome
AAPP
Cytoplasm Type M (Hosaka 2014)
Citation
Rydberg: Bull. Torrey Bot. Club 51: 154. 1924.

Description

Solanum agrimoniifolium distribution map
Solanum agrimoniifolium distribution map

Solanum agrimoniifolium (agrimoniifolium meaning that the leaves are similar to those of the genus agrimonia) is native primarily to Guatemala, also reaching into southern Mexico and Honduras, where it is primarily a cloud forest species.  Plants ranging from 18 inches to 6 feet tall.  Flowers blue to purple.  Berries large and conical.  Tubers small or sometimes entirely absent according to Correll (1962), who also notes that plants collected from Guatemala are larger and less pubescent.  Tuber color ranges from white to purple.

The spelling of the specific epithet for this species varies, with both agrimoniifolium and agrimonifolium in common use, something to keep in mind when performing searches.

Plants are found at elevations of 6,200 to 11,200 feet (1900 to 3400 m) (Correll 1962).

Resistances

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

Condition Type Level of Resistance Source
Early Blight Fungus Somewhat resistant Jansky 2008
Late Blight Fungus Not resistant Bachmann-Pfabe 2019
Potato Virus Y Virus Not resistant Cai 2011

Glykoalkaloid content

Images

Solanum agrimoniifolium plant
Solanum agrimoniifolium plant
Solanum agrimoniifolium plant
Solanum agrimoniifolium plant
Solanum agrimoniifolium plant
Solanum agrimoniifolium plant
Solanum agrimoniifolium flower
Solanum agrimoniifolium flower
Solanum agrimoniifolium stem
Solanum agrimoniifolium stem
Solanum agrimoniifolium flower
Solanum agrimoniifolium flower
Berries of the wild potato species Solanum agrimoniifolium
Solanum agrimoniifolium berries
Berries of the wild potato species Solanum agrimoniifolium
Solanum agrimoniifolium berries
Tubers of the wild potato species Solanum agrimoniifolium
Solanum agrimoniifolium tubers
     

Cultivation

I have found seeds of this species easy to germinate using the standard conditions for S. tuberosum.

Towill (1983) found that seeds of this species stored at 1 to 3 degrees C germinated at 100% after 15 years.

Breeding

Crosses with S. tuberosum

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

Crosses with other species

Watanabe (1991) found that 13.7% of varieties of this species produced 2n pollen and Jackson (1999) found 10-13%, which would be effectively octaploid and 8EBN.

Female Male Berry Set
Seed Set Ploidy Germ Source
             

References

Solanum agrimoniifolium at Solanaceae Source

Solanum agrimoniifolium at GRIN Taxonomy

Solanum agrimoniifolium at CIP

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