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Estimation of Heritability, Genetic Advance and Correlation for Marphological Traits in Spring Wheat

Estimation of Heritability, Genetic Advance and Correlation for Marphological Traits in Spring Wheat

Arshad Iqbal1*, Iftikhar Hussain Khalil1, Syed Mehar Ali Shah1 and Muhammad Sharif Kakar

1Department of Plant Breeding and Genetics, The University of Agriculture, Peshawar, KPK, Pakistan; 2Agriculture Research Institute, Sariab, Quetta, Pakistan. 


Heritability plays a pivotal role in selection. Breeders could predict the performance of crop plants by knowing the magnitude of heritability. An experiment was conducted using a set of spring wheat genotypes to estimate heritability for various plant traits during crop season 2014-15 at the University of Agriculture, Peshawar. The randomized complete block design with three replications was used in the experiment. Data were recorded on yield and some other important plant traits like days to heading (days), days to maturity (days), flag leaf area (cm2), spike length (cm), grains spike-1 (no.), grains weight spike-1 (g), biological yield (kg ha-1) and grain yield (kg ha-1). Mean performance of genotypes showed that all the spring wheat genotypes performed well for all the traits. Spring wheat cultivar Tatara showed best performance for maturity, similarly, genotype SM12 performed well for grains spike-1 and grain weight spike-1, whereas, genotype SM4 performed well for grain yield. Relatively high heritability with low genetic advance was estimated for days to maturity, while moderate to high heritability coupled with genetic advance was recorded for other yield related traits. Correlation analysis showed that grain yield had strong positive phenotypic and genetic correlation with heading, maturity, flag leaf area and biological yield. Spring wheat genotype SM12 had best performance for grains spike-1 and grain weight spike-1 should be further tested at different location of Khyber Pakhtunkhwa for possible release as a new cultivar.  


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Sarhad Journal of Agriculture


Vol. 37, Iss. 4, Pages 1098-1499


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