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Solanum medians

Common Name(s)  
Code med
Synonyms S. arahuayum, S. sandemanii, S. tacnaense, S. weberbaueri
Clade 4
Series Tuberosa
Ploidy Diploid (2x), triploid (3x)
EBN 2
Self-compatible  
Cytoplasm Type M (Hosaka 2009, as C)

Description

This species can survive frosts down to 27 degrees F (-3 C) (Li 1977).  Vega (1995) found that this species is less frost tolerant than domesticated potato.

Condition Level of Resistance Source
 Aphids Somewhat resistant Machida-Hirano 2015
     

Glykoalkaloid content

Images

       
       
       

Cultivation

The USDA potato genebank has observed that germination of some accessions of this species is inhibited by GA3 (Bamberg 1999).

Breeding

Crosses with S. tuberosum

 

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

Crosses with other species

Jackson (1999) found 2-14% 2n pollen in varieties of this species.

Female Male Berry Set Seed Set Germination Ploidy Source