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Solanum x aemulans
| Common Name(s) |  | |
| Code | aem | |
| Synonyms | S. acaule subsp. aemulans, S. acaule var. aemulans, S. x indunii | |
| Clade | 4 | |
| Series | Acaulia | |
| Ploidy | Tetraploid (4x), triploid (3x) | |
| EBN | 2 | |
| Tuberization Photoperiod | Short day | |
| Self-compatible | Yes | |
| Genome | AAA | |
| Cytoplasm Type | Unknown (probably M) | |
| Citation | Bitter & Wittmack: Bot. Jahrb. Syst. 50, Beibl. 553. 1914. | |
Description
Solanum x aemulans (aemulans means similar and was a reference to S. demissum according to Hawkes) is an Argentinian nothospecies (natural hybrid) with a complex taxonomic history. It was originally described as a species, then a variety of S. acaule, then a subspecies of S. acaule, back to a variety of S. acaule, and most recently as a naturally occuring hybrid of S. acaule x S. boliviense. It isn’t clear how this would work. S. acaule is typically 4x and 2EBN, while S. boliviense is 2x and 2EBN. From this cross, the prediction would be 3x, 2EBN progeny. There doesn’t appear to be any way for these species to produce a tetraploid.
Resistances
| Condition | Type | Level of Resistance | Source |
|---|---|---|---|
| Golden nematode (G. rostochiensis) | Invertebrate | Somewhat resistant | Castelli 2003 |
| Potato Cyst Nematode (G. pallida) | Invertebrate | Somewhat resistant | Castelli 2003 |
Glykoalkaloid content
Images
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Cultivation
I have found this species slow to germinating, taking about twice as long as S. tuberosum under the same conditions.
Breeding
Crosses with S. tuberosum
| Female | Male | Berry Set | Seed Set | Germ | Ploidy | Source |
|---|---|---|---|---|---|---|
Crosses with other species
| Female | Male | Berry Set | Seed Set | Germ | Ploidy | Source |
|---|---|---|---|---|---|---|
References
Solanum x aemulans at Solanaceae Source
Solanum x aemulans at GRIN Taxonomy