tailieunhanh - Genotypic and phenotypic correlation and path analysis of yield and yield contributing traits in rice (Oryza sativa L.) under salinity condition

The experimental materials consisted of 49 rice genotypes. The experiment was conducted under saline-alkali soil (pH = ; EC = ; ESP = 45%) in randomized complete block design with three replications. In each block 49 entries were accommodated. The spacing between rows to row and plant to plant were 20 cm and 15 cm, respectively. Length of row was 5m and 3 rows of each entry were planted in a plot. The nursery was planted after the period of 30 days. The yield and yield contributing traits were utilized for estimation of correlation coefficients. In general, genotypic correlation coefficients were higher than the corresponding phenotypic correlation coefficients suggesting that strong genetic correlation among the yield and yield contributing components of rice. Correlation coefficient analysis showed that grain yield per plant exhibited significant positive correlation with biological yield per plant at both genotypic and phenotypic levels. Path coefficient analysis revealed that highest positive direct effect on grain yield per plant was exerted by biological yield per plant and harvest-index. | Genotypic and phenotypic correlation and path analysis of yield and yield contributing traits in rice (Oryza sativa L.) under salinity condition

• Nông nghiệp
• Genetic variance
• Correlation coefficient
• Path coefficient
• Salinity condition
• Yield contributing traits
• Path analysis of yield
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• Genetic coefficient of variance
• Phenotypic coefficient variance
• Genetic variability
• Genetic advance
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• Genetic parameters
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• Genotypic coefficient of variance
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• cách trình bày báo cáo
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• Interfamily variability
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• Genotypic coefficient of variation
• Phenotypic coefficient of variation
• Heterozygosity excess
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• Variance in reproductive success
• Demographic bottlenecks
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• Genetic isolation
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• Rice (Oryza sativa L
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• Yield and yield contributing characters
• Yield contributing characters in rice