Screening quality protein maize germplasm for resistance to biotic stresses

Authors

  • Shailaja Godara Department of Genetics and Plant Breeding, Chaudhary Sarwan Kumar Himachal Pradesh Krishi Vishvavidyalaya, Palampur, Himachal Pradesh, India 176062
  • Uttam Chandel Department of Genetics and Plant Breeding, Chaudhary Sarwan Kumar Himachal Pradesh Krishi Vishvavidyalaya, Palampur, Himachal Pradesh, India 176062
  • Tanvi Rawal Department of Genetics and Plant Breeding, Chaudhary Sarwan Kumar Himachal Pradesh Krishi Vishvavidyalaya, Palampur, Himachal Pradesh, India 176062

Keywords:

Maize, Resistant inbreds, Biotic stresses, Blights, Fall armyworm

Abstract

The present investigation was carried out to screen 28 Quality Protein Maize (QPM) inbred lines along with two checks (Bajim Q-08-27 and Bajim Q-08-26) against turcicum leaf blight (TLB), maydis leaf blight (MLB), banded leaf and sheath blight (BLSB) and fall armyworm (FAW) under natural epiphytotic conditions at Palampur during kharif 2023. The resistant reaction was recorded in 12 lines for TLB and 18 lines for MLB while 22 lines for BLSB and 17 for fall armyworm exhibited moderate reaction. Multiple resistance was recorded in six inbreds viz., BJ QPM-13, BJ QPM-15, BJ QPM-19, DQL-1017-2, DQL-609-1-3 and DQL- 614-6 with resistance reaction to MLB and TLB along with moderate resistance to BLSB and FAW. These resistant lines can be used in QPM breeding program as resistance sources against TLB, MLB, BLSB and FAW after ascertaining resistance under in vitro and in vivo conditions over environments.

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Published

2025-06-25

How to Cite

Godara, S., Chandel, U., & Rawal, T. (2025). Screening quality protein maize germplasm for resistance to biotic stresses. Himachal Journal of Agricultural Research, 51(1), 45–50. Retrieved from http://hjar.org/index.php/hjar/article/view/172624

Issue

Volume 51, Issue 1, June 2025

Section

Short Communication - Crop improvement

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