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Solanum stenophyllidium
| Common Name(s) | ||
| Code | sph | |
| Synonyms | S. brachistotrichum, S. jamesii, S. nayaritense | |
| Clade | 1 | |
| Series | Pinnatisecta | |
| Ploidy | Diploid (2x) | |
| EBN | 1 | |
| Self-compatible | No | |
| Genome | BB | |
| Cytoplasm Type |
Description
Solanum stenophyllidium (stenophyllidium meaning narrow leaves) is a Mexican species, ranging from central Mexico north almost to the US border. Highly variable in size and form. Plants range about 9 to 27 inches tall. Long, thin leaves, similar to many of the Mexican dryland species.
This species can survive frosts down to 26 degrees F (-3.5 C) (Li 1977). Vega (1995) found that this species (as S. brachyostrichum) is less frost tolerant than domesticated potato.
| Condition | Level of Resistance | Source |
|---|---|---|
| Frost | Somewhat resistant | Machida-Hirano 2015 (as S. brachistotrichum) |
Glykoalkaloid content
Images
Cultivation
Bamberg (2017) found a 56% increase in seed set in this species with supplemental applications of liquid fertilizer at four and seven weeks after potting.
Breeding
Crosses with S. tuberosum
| Female | Male | Berry Set | Seed Set | Ploidy | Germ | Source |
|---|---|---|---|---|---|---|
| S. tuberosum | S. stenophyllidium (as S. brachistotrichum) | None | None | Jackson (1999) | ||
| S. stenophyllidium (as S. brachistotrichum) | S. tuberosum | None | None | Jackson (1999) |
Crosses with other species
Watanabe (1991) found that 25% (although only 2 plants) of varieties of this species (as S. brachistotrichum) produced 2n pollen and Jackson (1999) found 7-13%, which would be effectively tetraploid and 2EBN.
| Female | Male | Berry Set | Seed Set | Ploidy | Germ | Source |
|---|---|---|---|---|---|---|
References
Solanum stenophyllidium at Solanaceae Source
Solanum stenophyllidium at GRIN Taxonomy