Table 1.
Descriptive statistics, h 2, and mean squares of ANOVA results for the traits measured across two normal-N conditions in CK60 x China17 RIL population
Category | Source of variation | Df | Chl1 | Chl2 | Chl3 | PH | AD | MC1 | MC2 | BY | GY | TW | GS |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Descriptive statistics | CK60 | 49.8 | 55.6 | 53.6 | 99 | 71.5 | 68.6 | 24.8 | 7.69 | 2.89 | 20.3 | 0.52 | |
China17 | 46.6 | 52.7 | 48.3 | 150 | 66.3 | 65 | 19.5 | 14.6 | 6.25 | 31.6 | 0.95 | ||
RIL Mean | 47.8 | 53.3 | 47.2 | 161.3 | 67 | 66.5 | 19.4 | 11.2 | 3.39 | 23.6 | 0.47 | ||
Std | 4.09 | 3.72 | 5.85 | 35 | 4.2 | 3.32 | 6.34 | 3.99 | 1.49 | 3.15 | 0.16 | ||
Min | 38.7 | 38.2 | 32.3 | 70 | 55.1 | 52.8 | 8.16 | 3.09 | 0.4 | 14.4 | 0.05 | ||
Max | 58.4 | 62.2 | 62.5 | 236.5 | 85.9 | 76.1 | 46.8 | 24.2 | 9.04 | 29.9 | 0.88 | ||
h2 (%) | 71 | 56 | 51 | 64 | 61 | 40 | 53 | 62 | 55 | 64 | 39 | ||
SE (%) | 6 | 9 | 10 | 7 | 8 | 12 | 9 | 0.8 | 9 | 7 | 12 | ||
ANOVA | Env | 1 | 626.9 | 4276*** | 17016*** | 40478 | 11333*** | 347.6 | 4500 | 271.6 | 32.8* | 946.9 | 0.07 |
Rep(Env) | 2 | 89.1* | 9.93 | 57.8 | 10976** | 55.6* | 191.1** | 2501*** | 34.6 | 2.57 | 1483*** | 0.02 | |
Blk(Env*Rep) | 44 | 12.5 | 12.0* | 40.4*** | 429* | 11.3 | 14.8 | 31.7 | 13.1 | 2.43* | 5.69 | 0.02 | |
Line | 130 | 50.9*** | 41.9*** | 105.3*** | 4037*** | 49.6*** | 34.3** | 123.9*** | 49.4*** | 6.8*** | 28.0*** | 0.08** | |
Env*Line | 104 | 15.6** | 18.1*** | 58.2*** | 1634*** | 20.5** | 21.8** | 59.3*** | 19.6*** | 3.2*** | 10.5*** | 0.048*** | |
Residual | 190 | 9.74 | 8.06 | 16.7 | 290 | 12.8 | 12.7 | 26.7 | 10.5 | 1.54 | 5.2 | 0.02 |
Df, degrees of freedom; chlorophyll contents at vegetative stage (Chl1), at anthesis (Chl2), and at maturity (Chl3); PH, plant height (cm)
AD, days to anthesis; MC1, % stover moisture content; MC2, % head moisture content; BY, biomass yield (t.ha−1); GY, grain yield (t.ha−1)
TW, test weight (g); GS, grain/stover ratio (%). Std, standard deviation; h2 (%), narrow sense heritability; SE (%), standard error %; ***P < 0.0001; **P < 0.01; *P < 0.05