Table 3.
Biological control of Streptomyces strains against lettuce drop of Lactuca sativa var. capitata, “Regina dei ghiacci” under field conditions, Travacò Siccomario (Pavia, Italy).
| Trial | Disease incidence (%) | Protection (%) | Log-rank test | Cox model | ||
|---|---|---|---|---|---|---|
| Pb | βc | HRd | Pe | |||
| S. sclerotiorum inoculated control | 50.0 | /a | / | / | / | / |
| S. exfoliatus FT05W | 30.0 | 40.0 | 0.802 | 0.779 | 2.178 (1.366–3.161) | 0.120 |
| S. cyaneus ZEA17I | 45.0 | 10.0 | 0.939 | 0.0626 | 1.065 (1.427–3.307) | 0.884 |
| S. lydicus WYEC 108 | 65.0 | −30.0 | 0.0305 | −0.804 | 0.448 (1.072–2.372) | 0.0309 |
a
No value.
b
P-value of the log-rank test.
c
β is the coefficient for the treatment covariate in the Cox model.
d
Hazard Ratio (95% confidence interval).
e
P-value of the Cox model.