Table 1.
Physiological traits of grains in experiments 1 and 2 of sunflower genotypes
| Exp | Genotype | Source-Sink treament | Dry weight (mg) | Dimensions (mm) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ovary at R3 | Ovary at R5 | Grain | Pericarp | Embryo | Grain/pericarp | Length | Width | Height | Embryo length | |||
| 1 | Alybro | Control | 0.33 | 1.94 | 76.5 | 20.3 | 58.0 | 3.9 | 11.1 | 6.8 | 4.6 | 8.7 |
| 2 | Alybro | Control | 0.24 | 1.60 | 79.2 | 20.2 | 60.9 | 3.9 | 11.0 | 6.8 | 4.4 | 8.4 |
| Shading | 0.23 | 0.88 | 58.2 | 14.1 | 46.4 | 4.1 | 9.6 | 5.5 | 3.7 | 7.5 | ||
| RHA280 | Control | 0.41 | 2.60 | 148.8 | 76.1 | 73.2 | 2.0 | 13.0 | 9.8 | 6.5 | 9.9 | |
| Shading | 0.37 | 1.75 | 107.0 | 58.1 | 61.5 | 1.8 | 12.3 | 8.4 | 5.2 | 9.0 | ||
| s.e.m | 0.03 | 0.23 | 10.4 | 6.6 | 6.2 | 0.4 | 0.4 | 0.5 | 0.3 | 0.3 | ||
| Genotype | a | a | a | a | a | a | a | a | a | a | ||
| Source-sink ratio | ns | a | a | a | a | * | a | a | a | a | ||
| Genotype x Source-sink | ns | ns | ns | a | a | ns | a | ns | a | a | ||
Values are means of three replicates. ns means not significant effects. * Significant effects at P < 0.05. ** Significant effects at P < 0.01
aSignificant effects at P < 0.001 (modified from Castillo et al., 2017)