Screening of various varieties, cultivars and hybrids of marigold against Alternaria leaf blight disease caused by Alternaria alternata

Abstract

In the present study, nine varieties of marigold were screened against A. alternata causing Alternaria blight of marigold. Among them a single variety (French marigold yellow) was found moderately resistant, five varieties were moderately susceptible and rest three varieties were susceptible to Alternaria leaf blight disease, under artificial epiphytotic of A. alternata.