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 4

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

Treatment20192020
RateInterceptRR2RateInterceptrR2

SpF0TOS10.288−0.04450.04910.950.588−0.05360.05140.96
TOS20.588−0.00550.04410.980.916−0.01450.04640.96
TOS30.2880.00910.04090.980.5882.000.04320.98

SpF1TOS2−0.288−0.01550.03360.920.000−0.02450.03590.92
TOS3−0.5880.00730.02680.970.000−0.01730.03320.92
TOS1−0.288−0.00640.03140.97−0.5880.00270.02910.96

SpF2TOS3−1.2990.03220.00960.88−1.2990.01310.01510.83
TOS2−1.2990.02530.01290.86−1.7920.03440.01060.9
TOS1−1.2990.05160.00790.81−1.7920.05160.00790.81

SpF3TOS2−2.8030.0755−0.00640.67−2.5650.0812−0.00730.67
TOS1−2.5650.0618−0.00590.95−2.8030.0587−0.00510.9
TOS3−2.8030.0887−0.00780.72−2.8030.0887−0.00780.72