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Cereal Research Communications

, Volume 44, Issue 2, pp 217–228 | Cite as

Genetic Evaluation and AMMI Analysis for Salinity Tolerance in Diverse Wheat Germplasm

  • I. PrasadEmail author
  • N. Kulshreshtha
  • A. R. Chinchmalatpure
  • D. K. Sharma
Physiology

Abstract

Soil salinity is one of the major environmental constraints in increasing agricultural crop production, especially wheat production in India. Screening of diverse germplasm in representative growing conditions is prerequisite for exploring traits with stable expression imparting salinity tolerance. A study was undertaken during 2011–2012 for characterizing wheat germplasm in three environments representing growing conditions of crop in Northern parts of India, estimating inter-relationship among traits and evaluating stability of trait conferring salinity tolerance. Significant value of mean square for observed trait across the environments signified presence of large variability in genotypes. Significant yield reduction was recorded in almost all genotypes in saline environment compared to non-saline condition. Ratio of potassium and sodium ion in leaf tissue (KNA); a key salt tolerance traits was found to be significantly correlated with biomass, SPAD value and plant height. Due to the presence of significant genotype × environment interaction (G × E) for KNA, additive main effect and multiplicative interaction (AMMI) model was utilized to study stability of KNA among genotypes and environments. IPCA1 and IPCA2 were found to be significant and explained more than 99 per cent of variation due to G × E. KRICHAUFF was having maximum trait value with specific adaptation while DUCULA 4 and KRL 19 were having general adaptability. AMMI2 biplot revealed high stability of Kharchia 65 and KRL 99 across environments. E1 (timely sown, non-saline soil) recorded maximum site mean while E2 (timely sown, sodic soil) was having minimum interaction with genotypes (AMMI1 = 1.383). Thus, our studies suggest that AMMI model is also useful for estimating adaptability of traits other than yield utilized for breeding salt tolerant wheat varieties.

Keywords

AMMI potassium salinity sodium wheat 

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Genetic Evaluation and AMMI Analysis for Salinity Tolerance in Diverse Wheat Germplasm

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Copyright information

© Akadémiai Kiadó, Budapest 2016

This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

Authors and Affiliations

  • I. Prasad
    • 1
    Email author
  • N. Kulshreshtha
    • 2
  • A. R. Chinchmalatpure
    • 1
  • D. K. Sharma
    • 3
  1. 1.ICAR-Central Soil Salinity Research Institute, Regional Research StationBharuchIndia
  2. 2.ICAR-Sugarcane Breeding Institute, Regional Research StationKarnalIndia
  3. 3.ICAR-Central Soil Salinity Research InstituteKarnalIndia

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