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Solanum mochiquense
| Common Names | |
| Code | mcq |
| Synonyms | S. chancayense, S. incahuasinum |
| Clade | 3 |
| Series | Tuberosa |
| Ploidy | Diploid (2x) |
| EBN | 1 |
| Tuberization Photoperiod | Unknown |
| Self-compatibility | No |
| Nuclear Genome | P |
| Cytoplasmic Genome | Unknown |
| Citation | Ochoa: Agronomía (Lima) 26: 111. 1959. |
Description
Solanum mochiquense is a lowland Peruvian species of relatively limited distribution. (It is not lost on me that the species is named for a location in Ecuador but is not reported from there. My guess is that its range probably does extend to Ecuador and I have not yet found the source of that information.) Plants reach about one and a half feet tall. Tubers round, white, reaching about an inch in diameter. White flowers. Native habitat is sandy soil at an altitude of about 1300 feet (400 m) (Correll 1962).
The specific epithet, mochiquense, refers to Mochi, Ecuador. While there is no completely standardized pronunciation for scientific names, the most common way to pronounce this species is probably so-LAY-num moh-chee-KEN-see.
This species can survive frosts down to 27 degrees F (-3 C) (Li 1977).
| Condition | Type | Level of Resistance | Source |
|---|---|---|---|
| Alfalfa Mosaic Virus (AMV) | Virus | Resistant | Horvath 1989 (as S. mochicense) |
| Globodera pallida (Pale Cyst Nematode) | Invertebrate | Resistant | Castelli 2003 |
| Globodera pallida (Pale Cyst Nematode) | Invertebrate | Not resistant | Bachmann-Pfabe 2019 |
| Globodera rostochiensis (Potato Cyst/Golden Nematode) | Invertebrate | Resistant | Castelli 2003 |
| Phytophthora infestans (Late Blight) | Fungus | Somewhat resistant | Gonzales 2002 |
| Phytophthora infestans (Late Blight) | Fungus | Resistant | Bachmann-Pfabe 2019 |
| Potato Virus X (PVX) | Virus | Resistant | Horvath 1989 (as S. mochicense) |
Glykoalkaloid content
Images
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Cultivation
I have found seeds of this species easy to germinate using the standard conditions for S. tuberosum.
Breeding
Crosses with S. tuberosum
| Female | Male | Berry Set | Seed Set | Ploidy | Germ | Source |
|---|---|---|---|---|---|---|
| S. tuberosum | S. mochiquense | None | None | Jackson (1999) | ||
| S. mochiquense | S. tuberosum | None | None | Jackson (1999) | ||
Crosses with other species
Jackson (1999) found 0-24% 2n pollen in varieties of this species.
| Female | Male | Berry Set | Seed Set | Ploidy | Germ | Source |
|---|---|---|---|---|---|---|