Treatments Intercept Disease progressive Rate (r) R2 SEE Significance (P<0.05) Victory72WP   0.65 0.43 0.368 0.0001 Ridomil-gold   0.68 0.47 0.297 0.0001 Untreated control   0.83 0.68 0.476 0.0001 SEE: Standard Error of Estimate The highest disease progressive rate was observed from untreated plot tomato and potato with values of 0.83 and 0.79, respectively which is exceeds Victory 72 WP by 0.29 units per day. Although, disease progressive rate of late blight increased more rapidly in untreated control compared to other treatments.

Table 2: Disease progressive rate (r) of tomato late blight severity on various treatments.