This page is a draft, part of our ongoing wild potato project. I’ll probably be adding information to the species pages through 2020 at least, but I’m making them public since they may be useful even incomplete.

Solanum microdontum







Cytoplasm Type:


This species can survive frosts down to 27 degrees F (-3 C) (Li 1977).

Condition Level of Resistance Source
 Late Blight  Somewhat resistant  Machida-Hirano 2015
 Wart   Somewhat resistant  Machida-Hirano 2015
 Bacterial Wilt   Somewhat resistant  Machida-Hirano 2015
 Soft Rot / Blackleg   Somewhat resistant  Machida-Hirano 2015
 Potato Leaf Roll Virus   Somewhat resistant Machida-Hirano 2015
 Aphids   Somewhat resistant  Machida-Hirano 2015
 Root Knot Nematode   Somewhat resistant  Machida-Hirano 2015
 Heat   Somewhat resistant  Machida-Hirano 2015
 Drought   Somewhat resistant  Machida-Hirano 2015


Bamberg (2017) found a 158% increase in seed set in this species with supplemental applications of liquid fertilizer at four and seven weeks after potting.

Crosses with S. tuberosum


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

Crosses with other species

Jackson (1999) found 4-30% 2n pollen in varieties of this species.

Female Male Berry Set Seed Set Germination Ploidy Source

Glykoalkaloid content