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Research Article Open access CC BY 4.0

Screening of Maize Genotypes under Different Maturity Group against Maydis Leaf Blight Disease of Maize Caused by Helminthosporium maydis

Chandan Kumar, Phool Chand, N. S. Akhtar, C. S. Choudhary, Nishi Keshari

Current Journal of Applied Science and Technology · pp. 1–7 · Published 8 Dec 2018

10.9734/CJAST/2018/45868

Abstract

The present investigation on was undertaken for the management of Maydis leaf blight disease of maize. In the Screening trial, 84 maize genotypes of the maturity group (NIVT-Late) were tested against Maydis leaf blight under artificial inoculated condition, according to Disease Severity scale (1-9), No any entry was found resistant, 7 entries were found as moderately resistant to Maydis leaf blight, 34 entries rated as moderately susceptible and 44 entries found susceptible to Maydis leaf blight. Hundred maize genotypes of the maturity group (NIVT-Medium) were tested against Maydis leaf blight under field condition, No any entry was found resistant, 20 entries were found as moderately resistant to Maydis leaf blight, 31 entries rated as moderately susceptible and 50 entries found susceptible to Maydis leaf blight. Out of 40 maize genotypes of the maturity group (NIVT- Early + Extra Early) one entry was found resistant, 10 entries were moderately resistant to Maydis leaf blight, 22 entries rated as moderately susceptible and 8 entries found susceptible to Maydis leaf blight. Susceptible check CML-186 rated as a susceptible reaction to Maydis leaf blight.

CML-186 disease severity scale Helminthosporium maydis maize Maydis leaf blight moderately resistant moderately susceptible NIVT-Late NIVT-Medium NIVT-(Early Extra Early) resistant screening susceptible.

Cited by 1

Host response of elite maize inbreds and hybrids against maydis leaf blight under epiphytotic conditions

Ankush Kumar, Harbinder Singh, Prashant Chauhan · Cereal Research Communications · 2023

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