Experiment was conducted to screen different advanced lines and genotypes in line × tester mating design against late blight of tomato caused by Phytophthora infestans. One hundred genotypes were screened during winter season under field condition and data was recorded on 0 - 5 scale at 30, 60 and 90 days in which eleven genotypes were highly resistant, seventeen genotypes were resistant, nineteen genotypes were moderately resistant, twenty four genotypes were susceptible and twenty nine genotypes were highly susceptible. | Assessment of tomato advanced lines to resistance of late blight
