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Crop Research

Screening of different pearl millet (Pennisetum glaucum) genotype against blast disease of pearl millet caused by Pyricularia grisea (Cooke) Sacc.  


DOI: 10.31830/2454-1761.2022.CR-893    | Article Id: CR-893 | Page : 442-446
Citation :- Screening of different pearl millet (Pennisetum glaucum) genotype against blast disease of pearl millet caused by Pyricularia grisea (Cooke) Sacc.. Crop Res. 57: 442-446
MUKESH KUMAR, DAMA RAM, VIKAS KHANDELWAL, ANAND CHOUDHARY, MAHENDRA KUMAR SARAN AND A. L. YADAV anandparoda84@gmail.com
Address : Department of Plant Pathology, COA Jodhpur (Agricultural University, Jodhpur), Rajasthan-342 304, India
Online Published:

Abstract

The utilization of resistant varieties is a classical approach to prevent the catastrophic losses caused by pearl millet blast with reduction in the cost of production and increased yield. Therefore, a study was conducted during the kharif 2020 at collage farm, College of Agriculture, Jodhpur to identify resistance sources against blast disease in pearl millet crop. Thirty-one pearl millet hybrids along with one susceptible check were screened against blast disease caused by Pyricularia grisea under field condition. Among them 24 hybrids showed 12-33% disease severity with disease rating scale 2-3 were considered moderately resistant. Four hybrids showed 34-55% disease severity and disease rating scale 4-5 were considered moderately susceptible. Three hybrids showed 56-77% disease severity with disease rating scale 6-7 and therefore were considered susceptible and one hybrid showed >78% disease severity with disease rating scale 8-9 was considered highly susceptible. None of the cultivars showed highly resistant and resistant reaction under field condition.

Keywords

Blast hybrids pearl millet Pyricularia grisea screening

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