Research Article
Effect of Soil Moisture Deficit Stress on Biomass Accumulation of Four Coffee (Coffea arabica) Varieties in Zimbabwe
Table 7
Pearson correlation coefficients
between initial biomass of some coffee physiological variables and changes in mass of varieties after stress.
| Variable’s initial biomass | Variable responding after stress | 21 days | 28 days | Fresh | Dry | Fresh | Dry |
| Fresh root | Roots | 0.855 | 0.788 | 0.936 | 0.81 | Dry root | 0.657 | 0.597 | 0.968 | 0.964 |
| Fresh shoots | Shoots | 0.974 | 0.784 | −0.666 | 0.736 | Dry shoots | 0.968 | 0.772 | −0.666 | 0.726 |
| Fresh total | Total | 0.960 | 0.827 | 0.440 | 0.766 | Dry total | 0.914 | 0.872 | 0.550 | 0.835 |
| Fresh root | Shoots | −0.818 | −0.889 | 0.394 | −0.844 | Dry roots | −0.790 | −0.936 | 0.300 | −0.904 |
| Fresh root | Total | −0.83 | −0.912 | −0.625 | −0.827 | Dry root | −0.797 | −0.952 | −0.718 | −0.889 |
| Fresh shoots | Total | 0.265 | 0.293 | 0.290 | 0.385 | Dry shoots | 0.330 | 0.364 | 0.338 | 0.450 |
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