Research Article

Effects of Sowing Dates and Fungicide Application on Chocolate Spot (Botrytis fabae Sard.) Disease of Faba Bean (Vicia faba L.) in Western Ethiopia

Table 3

Apparent infection rate (logit day−1) from a logistic model (ln (y/(1 − y), and the parameter estimates for a chocolate spot disease at Shambu in 2019 and 2020 cropping seasons an apparent infection rate by coefficient of determination.

Treatment20192020
RateInterceptraR2bRateInterceptrR2

SpF0TOS10.916−0.03120.05050.980.916−0.0360.0540.98
TOS20.5880.00090.04230.970.588−0.0050.0410.98
TOS30.916−0.01640.04820.980.916−0.0130.0460.98

SpF1TOS20.288−0.01090.03820.940.000−0.0020.0350.94
TOS3−0.2880.01730.02820.92−0.2880.0240.0260.94
TOS1−0.2880.01730.03050.97−0.2880.0170.0310.97

SpF2TOS3−0.9160.01620.01840.81−0.9160.0130.0380.89
TOS2−1.2990.01890.01470.85−1.2990.0250.0130.86
TOS1−0.9160.02890.01470.79−1.2990.0380.0130.89

SpF3TOS2−2.8030.0915−0.00780.73−2.5650.094−0.0080.75
TOS1−2.8030.0825−0.00710.75−2.8030.084−0.0080.77
TOS3−2.5650.0918−0.00860.76−2.8030.089−0.0080.71