Yield-related traits, mid-parent heterosis (MPH), and best-parent heterosis (BPH) of reciprocal hybrids of Micro-Tom mutants and M82 from two consecutive years.
Traitz) | 2018 (1st year) | 2019 (2nd year) | ||||||
---|---|---|---|---|---|---|---|---|
Genotype | Mean ± SD (n)y) | MPH | BPH | Genotype | Mean ± SD (n)y) | MPH | BPH | |
Plant weight | 0.95 ± 0.86ab (4) | 11% | ‒55% | 0.54 ± 0.31c (8) | ‒19% | ‒59% | ||
M82 × |
1.03 ± 0.63ab (4) | ‒4% | ‒52% | M82 × |
0.56 ± 0.24c (12) | ‒17% | ‒58% | |
0.55 ± 0.25b (5) | ‒48% | ‒74% | 1.25 ± 0.17ab (3) | 86% | ‒5% | |||
M82 × |
0.46 ± 0.20b (8) | ‒57% | ‒78% | M82 × |
0.62 ± 0.40bc (4) | ‒8% | ‒53% | |
1.35 ± 0.75a (5) | 27% | ‒36% | - | - | - | - | ||
M82 × |
1.38 ± 0.63a (7) | 29% | ‒35% | - | - | - | - | |
Total yield | 5.72 ± 3.27ab (4) | 96% | 0% | 3.41 ± 1.51b (8) | 50% | ‒22% | ||
M82 × |
3.20 ± 1.26b (4) | 10% | ‒44% | M82 × |
3.62 ± 1.38b (12) | 60% | ‒18% | |
2.56 ± 0.72b (5) | ‒12% | ‒55% | 7.51 ± 1.22a (3) | 231% | 71% | |||
M82 × |
3.58 ± 1.10b (5) | 23% | ‒38% | M82 × |
5.24 ± 0.74ab (4) | 131% | 19% | |
7.30 ± 3.66a (5) | 151% | 27% | - | - | - | - | ||
M82 × |
7.01 ± 2.63a (7) | 141% | 22% | - | - | - | - | |
Fruit number | 255.75 ± 177.28ab (4) | 179% | 34% | 190.13 ± 54.60b (8) | 150% | 60% | ||
M82 × |
270.50 ± 195.15ab (4) | 195% | 39% | M82 × |
194.42 ± 67.79b (12) | 156% | 64% | |
123.20 ± 42.04ab (5) | 34% | ‒12% | 343.00 ± 95.45a (3) | 351% | 189% | |||
M82 × |
188.00 ± 82.99ab (5) | 105% | 10% | M82 × |
291.50 ± 42.35a (12) | 283% | 145% | |
389.00 ± 296.82a (5) | 324% | 79% | - | - | - | - | ||
M82 × |
371.00 ± 86.65a (7) | 305% | 73% | - | - | - | - | |
10 fruit weight | 178.88 ± 38.77a (4) | 10% | ‒39% | 176.78 ± 47.54b (8) | ‒15% | ‒52% | ||
M82 × |
202.64 ± 56.55a (4) | 25% | ‒31% | M82 × |
186.44 ± 35.61b (12) | ‒11% | ‒50% | |
162.18 ± 25.36a (5) | 0% | ‒45% | 231.77 ± 74.45b (3) | 11% | ‒37% | |||
M82 × |
147.61 ± 28.71a (5) | ‒9% | ‒50% | M82 × |
181.22 ± 28.29b (12) | ‒13% | ‒51% | |
171.64 ± 28.68a (5) | 6% | ‒41% | - | - | - | - | ||
M82 × |
184.44 ± 32.04a (7) | 14% | ‒37% | - | - | - | - | |
Brix | 4.58 ± 0.29a (4) | ‒21% | ‒28% | 4.51 ± 0.77a (12) | ‒4% | ‒9% | ||
M82 × |
4.08 ± 0.45a (4) | ‒29% | ‒36% | M82 × |
4.19 ± 0.38a (12) | ‒11% | ‒16% | |
4.78 ± 0.45a (5) | ‒17% | ‒25% | 4.10 ± 0.70a (3) | ‒13% | ‒18% | |||
M82 × |
4.74 ± 0.40a (5) | ‒18% | ‒26% | M82 × |
4.20 ± 0.44a (12) | ‒11% | ‒16% | |
4.80 ± 0.73a (5) | ‒17% | ‒25% | - | - | - | - | ||
M82 × |
4.27 ± 0.32a (7) | ‒26% | ‒33% | - | - | - | - |
Mean value (± s.d.m.) comparison was executed using Tukey’s HSD test, and statistically similar variables are grouped as indicated by the same letter (
z)Yield and yield related major traits measured.
y)Values are represented by mean value of the group ± standard deviation represented by “SE” and number of samples in parenthesis represented by “n”. Means were compared using Tukey’s HSD test, and statistically similar variables are grouped by the same letter (