Vol. 11, Issue 7 (2022)

Author(s):
Bintu Dagar, Vinod Kumar Malik, Rakesh Kumar, RS Chauhan, Preety Verma, Pankaj Yadav, Lokesh Yadav and Tarun Verma

Abstract:
The present study entitled “Studies on Magnaporthe grisea incitant of blast disease of pearl millet [Pennisetum glaucum (L.) R. Br.]” was conducted during the kharif 2019 at research farm, Department of Plant Pathology, CCS Haryana Agricultural University, Hisar. Pearl millet blast disease is a devastating fungal disease causing considerable yield losses. Blast of pearl millet incited by Magnaporthe grisea is the most widespread and destructive disease of pearl millet in India and other pearl millet growing area of the world. In the present investigation, Incubation period as the measure of infection efficiency of fungus, was found about 5 days. Latent period as the measure to decide the disease epidemic, was found about 3 days. Both, lowest mean lesion length and lesion number were found in resistant (18-0035) genotype. Six pearl millet genotypes were screened against blast disease under field conditions for lesion length, latent period, number of lesions, disease severity and found that lowest mean lesion length, lowest mean lesion number were found in resistant (18-0035) genotype. The terminal disease rating was observed highest in 18–0114 genotype and lowest in 18-0035 genotype and consider as highly susceptible and resistant genotype respectively.