Table 3.
Pearson correlation between physiological parameters, productive parameters, and disease severity of TBIO Sintonia wheat variety in Passo Fundo, Rio Grande do Sul, Brazil.
| P(1) | SPM | SLR | SBS | Pn | Ci | gs | E | WUE | CE | NSP | GPS | MTG | GY |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SPM | 1 | 0.89* | 0.92* | −0.45* | 0.47* | 0.03 | 0.11 | −0.63* | −0.45* | −0.22 | −0.05 | −0.55* | −0.70* |
| SLR | 1 | 0.90* | −0.52* | 0.53* | 0.05 | 0.23 | −0.66* | −0.51* | −0.10 | −0.01 | −0.49* | −0.57* | |
| SBS | 1 | −0.55* | 0.59* | 0.02 | 0.03 | −0.64* | −0.55* | −0.05 | −0.06 | −0.60* | −0.64* | ||
| Pn | 1 | −0.82* | 0.35 | 0.36 | 0.82* | 0.95* | 0.04 | 0.19 | 0.23* | 0.24* | |||
| Ci | 1 | 0.24 | 0.01 | −0.85* | −0.86* | 0.04 | −0.09 | −0.24* | −0.30* | ||||
| gs | 1 | 0.71* | −0.03 | 0.29 | 0.13 | 0.16 | 0.05 | −0.05 | |||||
| E | 1 | −0.17 | 0.33 | −0.22 | −0.02 | 0.05 | −0.19 | ||||||
| WUE | 1 | 0.84* | 0.25 | 0.24 | 0.26* | 0.46* | |||||||
| CE | 1 | 0.02 | 0.19 | 0.23* | 0.25* | ||||||||
| NSP | 1 | 0.27 | 0.05 | 0.36* | |||||||||
| GPS | 1 | −0.14 | 0.05 | ||||||||||
| MTG | 1 | 0.56* |
*Significance of the Pearson correlation coefficient was at p < 0.05. (1) P - parameters; SPM - severity of powdery mildew; SLR - severity of leaf rust; SBS - severity of brown spot; Pn - CO2 net assimilation rate; WUE - water use efficiency; gs - stomatal conductance; Ci - intercellular CO2 concentration; E - transpiration; CE - carboxylation efficiency (Pn/Ci); NSP - number of spikes; GPS - grains per spike; MTG - mass of thousand grains; GY - grain yield.