TABLE 2.
Mineral seed contents.
| Year | Cultivar | P (%) | K (%) | Ca (%) | Mg (%) | Na (ppm) | Fe (ppm) | Cu (ppm) | Mn (ppm) | Zn (ppm) |
| 2017 | Titicaca | 0.36±0.02 | 1.44±0.12 | 0.19±0.04 | 0.21±0.01 | 39.33±12.50 | 76.30±7.34 | 6.24±1.45 | 34.63±2.20 | 26.33±4.08 |
| cdefgh | ab | abc | b | ab | Cu (ppm) | defgh | bcdef | |||
| Vikinga | 0.44±0.01 | 1.24±0.02 | 0.17±0.02 | 0.24±0.01 | 51.33±14.05 | 97.27±4.45 | 9.94±2.56 | 38.73±2.12 | 31.07±5.51 | |
| ab | bh | abc | ab | ab | abc | def | abcdef | |||
| Regalona | 0.45±0.01 | 1.46±0.04 | 0.19±0.02 | 0.24±0.01 | 46.80±5.81 | 90.07±12.01 | 9.02±0.81 | 36.13±1.72 | 26.40±3.99 | |
| ab | a | abc | ab | ab | abc | defgh | bcdef | |||
| Puno | 0.31±0.02 | 1.19±0.02 | 0.15±0.03 | 0.21±0.01 | 45.43±3.48 | 79.13±4.06 | 8.83±1.88 | 31.20±1.35 | 24.97±5.65 | |
| gh | bi | bc | b | ab | abc | efghi | abcdef | |||
| Q3 | 0.43±0.01 | 1.29±0.03 | 0.18±0.03 | 0.23±0.02 | 45.97±9.35 | 90.60±10.61 | 11.86±2.03 | 47.17±2.38 | 31.00±5.65 | |
| ab | ab | abc | ab | ab | abc | bc | abcdef | |||
| Q5 | 0.42±0.01 | 1.28±0.02 | 0.17±0.05 | 0.21±0.01 | 59.23±2.59 | 73.17±8.22 | 12.87±2.61 | 40.23±1.68 | 25.47±4.04 | |
| abc | ab | abc | b | a | ab | cde | bcdef | |||
| 2018 | Titicaca | 0.45±0.01 | 1.05±0.06 | 0.19±0.01 | 0.23±0.01 | 47.20±3.78 | 95.30±12.57 | 8.74±1.56 | 37.50±1.51 | 39.27±3.54 |
| ab | cdghijk | abc | ab | ab | abc | defg | abcde | |||
| Vikinga | 0.44±0.03 | 0.93±0.04 | 0.25±0.02 | 0.25±0.02 | 47.87±10.72 | 102.97±5.49 | 11.37±2.7 | 63.37±2.21 | 47.40±2.08 | |
| abcd | dg | ab | ab | ab | abc | b | a | |||
| Regalona | 0.46±0.02 | 0.98±0.02 | 0.18±0.05 | 0.24±0.02 | 44.03±11.98 | 77.97±6.89 | 11.46±3.24 | 36.43±1.81 | 40.70±3.63 | |
| a | cdefg | abc | ab | ab | abc | defg | abcd | |||
| Puno | 0.39±0.02 | 1.00±0.03 | 0.23±0.02 | 0.24±0.02 | 48.23±7.02 | 91.37±17.25 | 12.53±1.59 | 30.50±2.49 | 37.67±2.46 | |
| bcdef | cdfg | abc | ab | ab | abc | fghi | abc | |||
| Q3 | 0.43±0.03 | 1.00±0.06 | 0.22±0.06 | 0.25±0.02 | 47.00±13.86 | 91.57±7.50 | 14.27±3.71 | 72.07±0.99 | 41.13±1.37 | |
| abcde | dfgjk | abc | ab | ab | a | a | ab | |||
| Q5 | 0.34±0.02 | 0.96±0.08 | 0.16±0.03 | 0.22±0.02 | 46.73±12.71 | 95.67±6.92 | 9.10±1.87 | 46.67±1.72 | 35.57±2.97 | |
| efgh | fgik | abc | b | ab | abc | bcd | abcde | |||
| 2019 | Titicaca | 0.35±0.03 | 1.43±0.12 | 0.26±0.05 | 0.23±0.01 | 58.53±2.81 | 100.37±16.98 | 7.21±1.20 | 35.17±5.33 | 20.50±2.09 |
| abcdefgh | abe | ab | ab | a | bc | defgh | f | |||
| Vikinga | 0.32±0.01 | 1.27±0.03 | 0.27±0.06 | 0.27±0.02 | 49.85±6.15 | 124.40±39.17 | 8.37±0.33 | 35.60±4.38 | 21.30±0.28 | |
| fgh | abe | a | a | ab | abc | defg | def | |||
| Regalona | 0.36±0.03 | 1.40±0.08 | 0.16±0.04 | 0.22±0.01 | 39.50±1.57 | 77.93±8.36 | 8.91±0.99 | 22.57±2.67 | 22.17±0.55 | |
| abcdefgh | abc | abc | b | b | abc | i | def | |||
| Puno | 0.33±0.01 | 1.30±0.08 | 0.24±0.04 | 0.23±0.02 | 60.60±17.58 | 82.27±6.69 | 8.35±1.54 | 29.20±4.62 | 22.23±2.77 | |
| efgh | abcd | abc | ab | ab | abc | ghi | ef | |||
| Q3 | 0.34±0.01 | 1.17±0.04 | 0.13±0.01 | 0.22±0.01 | 35.50±1.73 | 83.67±5.76 | 8.95±0.66 | 29.10±0.75 | 26.43±1.63 | |
| defgh | bij | c | b | b | abc | hi | cdef | |||
| Q5 | 0.34±0.02 | 1.26±0.12 | 0.21±0.06 | 0.22±0.01 | 63.87±16.94 | 94.30±4.20 | 12.58±1.88 | 39.47±1.86 | 21.90±5.02 | |
| bcdefg | abe | abc | ab | ab | ab | def | abcdef |
Mean±SD mineral contents are presented as percentage of seed weight (P, K, Ca, and Mg) or as parts per million (Na, Fe, Cu, Mn, and Zn). Statistical analysis following a One-way ANOVA test with a post-hoc Tukey test (Ca, Mg, and Cu contents), a Krustal-Wallis test by ranks (Mn content), or a Welch’s ANOVA with a Games-Howell post-hoc test (P, K, Na, Fe, and Zn contents), was performed. Different letters under each mineral content show statistically significant differences between samples.