Table 7.
Pearson correlations between NDVI at different stages, SPAD at milk and dough stages and chlorophyll b with grain yield from the same set of genotypes grown at different years and locations (DR12, Dromolaxia 2011/12; AX12, Achelia 2011/12; ATH13, Athalassa 2012/2013; DR13, Dromolaxia 2012/13; AX13, Achelia 2012/13; ATH14, Athalassa 2013/2014).
| DR 12 | AX12 | ATH13 | DR13 | AX13 | ATH14 | |
|---|---|---|---|---|---|---|
| NDVI booting ATH13 | ns | 0.557∗ | – | ns | ns | ns |
| NDVI milk ATH13 | ns | ns | – | -0.450∗ | -0.478∗ | ns |
| Chlorophyll b ATH13 | ns | ns | – | ns | -0.491∗ | ns |
| NDVI heading ATH14 | -0.615∗∗ | ns | ns | -0.536∗ | ns | – |
| NDVI anthesis ATH14 | -0.547∗ | ns | ns | –0.574∗∗ | ns | – |
| NDVI milk ATH14 | -0.537∗ | ns | ns | -0.653∗∗ | ns | – |
| NDVI dough ATH14 | -0454∗ | ns | ns | -0.660∗∗ | -0.449∗ | – |
| SPAD milk ATH14 | ns | ns | ns | ns | -0.613∗∗ | – |
| SPAD dough ATH14 | ns | ns | ns | -0.543∗ | -0.641∗∗ | – |
| Chlorophyll b ATH14 | ns | ns | ns | -0.569∗∗ | -0.566∗∗ | – |
ns (not significant), ∗p < 0.05, ∗∗p < 0.01, n = 20.