Correlation and Path Coefficient Analysis of Yield and Its Components in Some Derived Populations of Bread Wheat under Drought Stress Conditions

Moustafa, E. S. A.; Omar, S. A.

doi:10.12816/0011729

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“…No correlation between grains spike -1 and grain yield and spikelets spike -1 and grain yield is in line with the results of Khan et al (2013) and Ajmal et al (2009), respectively. Contrary to our results, Moustafa and Omar (2014) assessed correlation in some derived segregating wheat populations and pointed out significant phenotypic correlation of grain yield with spikelets and grains spike -1 . Similarly, Kashif and Khaliq (2004) also pointed out notable contribution of spike length and spikelets and grains spike -1 towards grain yield.…”

Section: Heritability and Genetic Advancecontrasting

confidence: 99%

Assessment of Yield Components and Their Association in F2 Populations of Wheat

Iqbal

2017

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Keeping in view the role of wheat in Pakistan, the current research was conducted to compute the extent of transmissibility and to derive information on the correlation of grain yield with its component traits. Sixteen F2 populations of wheat and their eight parental lines were evaluated at the University of Agriculture, Peshawar-Pakistan during wheat season of 2013-14. Experiment was conducted in randomized complete block design with three replicates. Analysis of variance manifested significant differences among genotypes for all the studied traits. Similarly, mean squares due to parents, F2 populations and parents vs. F2`s were also significant for all the traits under study except harvest index. On the basis of mean performance, maximum grain yield plant-1 among parents was given by Fakhr-e-Sarhad (27.16 g) and PS-05 (26.06 g), while among F2 populations, maximum grain yield plant-1 was given by cross combinations Barsat / Siren (27.93 g), AUP-5008 / Siren (26.09 g) and Tatara / PS-05 (25.65 g). The assessments of heritability and genetic advance manifested that F2 populations, Saleem-2K / Janbaz, Tatara / F.S, AUP-5008 / PS-05 and Tatara / PS-05 had highly heritable characters along with high genetic advance, which offer an opportunity for earlier selection. Hence, more emphasis should be given to these crosses in future wheat breeding programs. Moreover, the perusal of correlation analysis revealed that traits like days to maturity, flag leaf area, plant height, fertile tillers plant-1, biological yield and harvest index appeared to be most essential sources of affecting the final yield, suggesting that upsurge in wheat yield could be admissible by selecting these traits.

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Section: Heritability and Genetic Advancecontrasting

confidence: 99%

Assessment of Yield Components and Their Association in F2 Populations of Wheat

Iqbal

2017

jsa

View full text Add to dashboard Cite

show abstract

Correlation and Path Coefficient Analysis of Yield and Its Components in Some Derived Populations of Bread Wheat under Drought Stress Conditions

Cited by 1 publication

References 0 publications

Assessment of Yield Components and Their Association in F2 Populations of Wheat

Assessment of Yield Components and Their Association in F2 Populations of Wheat

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