Table 2. Mid-parent heterosis of F1 and reconstructed F2 population in three environments for the nine yield-correlated traits with significant heterosis.
Traits§ | Environments | Mid-parent heterosis | |||||
F1 | reconstructed F2 | ||||||
value % | Mean % | range % | |||||
SY | N6 | 1784 | 75.4 | 666 | 29.4 | -854—2318 | -32.2—126.2 |
S5 | 866 | 69.7 | 403 | 30.5 | -763—1143 | -31.5—101.5 | |
S6 | 1026 | 99 | 309 | 28.5 | -378—1104 | -31.3—133.4 | |
SP | N6 | 5057 | 67.3 | 2290 | 33.4 | -2088—5803 | -19.1—111.7 |
S5 | 2714 | 70.4 | 1163 | 26.5 | -2291—3964 | -34.2—89.5 | |
S6 | 2577 | 84.8 | 859 | 26.6 | -1296—3606 | -27.9—99.1 | |
BY | N6 | 2151 | 47.5 | 976 | 21.4 | -1272—3354 | -19.7—81.2 |
S6 | 1329 | 40.5 | 688 | 19.6 | -1254—2571 | -37.3—87 | |
PN | N6 | 179 | 53.7 | 61 | 20.2 | -134—340 | -30.8—82.5 |
S5 | 79 | 29.6 | 42 | 16.9 | -122—228 | -34.2—79.5 | |
S6 | 106 | 33.1 | 39 | 18.2 | -109—308 | -27.8—80.6 | |
HI | N6 | 5 | 14.6 | 2.3 | 9.1 | -3.5—9.5 | -9.1—39.5 |
S6 | 6 | 24.8 | 3.7 | 14.1 | -4.1—10.6 | -7.3—52.2 | |
PH | N6 | 20.6 | 17.7 | 13.6 | 11.2 | -6.6—41.3 | -5.7—36.1 |
S5 | 18.4 | 13.6 | 8.5 | 6.1 | -17.7—28.7 | -13.4—20.1 | |
S6 | 12.3 | 9.4 | 8.6 | 6.4 | -14.3—31.9 | -9.3—26 | |
PY | N6 | 1.1 | 15.2 | 0.56 | 8.8 | -3.03—3.61 | -18.5—49.4 |
S5 | 1.6 | 31.5 | 0.48 | 10.1 | -1.73—2.87 | -16.9—43.7 | |
S6 | 1 | 21.9 | 0.42 | 9.4 | -1.93—3.19 | -27.4—57.1 | |
SN | N6 | 5 | 21.8 | 2.2 | 11.8 | -8.6—11.6 | -35.8—72.0 |
S5 | 3.7 | 23 | 1.5 | 10 | -5.3—7 | -29.9—47.1 | |
S6 | 2.7 | 20.6 | 1.2 | 8.6 | -5.0—8.2 | -33.9—62.5 | |
BN | N6 | 1.34 | 16 | 0.9 | 10.5 | -2.44—4.33 | -27.3—64.8 |
S5 | 1.52 | 21.6 | 0.53 | 7.7 | -1.82—2.9 | -27.4—45.4 | |
S6 | 0.62 | 11.3 | 0.31 | 5.6 | -2.03—2.4 | -35.2—43.6 |
§For the abbreviation of the traits (ordered according to their correlation coefficients with SY), see MATERIALS AND METHODS.