INDEX SELECTION IN AN F3 RICE POPULATION

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FAZL ALI POUR M.; RABIEI B.; SAMIZADEH LAHIJI H.A.; RAHIM SOROUSH H.

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Journal: IRANIAN JOURNAL OF AGRICULTURAL SCIENCES (JOURNAL OF AGRICULTURE) Year:2007 | Volume:38-1 | Issue:2 (AGRONOMY AND CROP BIOTECHNOLOGY) Page(s): 385-397

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Title

INDEX SELECTION IN AN F3 RICE POPULATION

Author(s)

FAZL ALI POUR M. | RABIEI B. | SAMIZADEH LAHIJI H.A. | RAHIM SOROUSH H. | Issue Writer Certificate

Keywords

RICE GRAIN YIELDQ3

PATH ANALYSISQ2

SELECTION INDICESQ2

BASE INDEXQ3

OPTIMUM INDEXQ3

Abstract

Multi-trait selection has been employed by plant breeders (based upon complex quantitative traits) for increasing economic value in a population. Index selection is one of the most effective methods for improving grain yield as well as its associated traits. In this study, an F3 population consisting of 117 lines derived from a cross between two Iranian rice cultivars, Hashemi and Kadous, were evaluated to find a suitable selection index. The number of days to maturity (MD), plant height (PH), panicle length (PL), flag leaf length (FL), flag leaf width (FW), number of panicles per plant (PP), number of grains per panicle (GP), number of spike lets per panicle (SP), 100-grain weight (GW), grain yield per plant (GY), biomass (8M), harvest index (HI), grain length (GL) and grain breadth (G8) were assessed while twenty different SELECTION INDICES being calculated based on optimum as well as base indices. The results indicated that selecting for 8M, HI, GP, GW and PP resulted in increased economic value in a population. Moreover, this study showed that both optimum and base indices would usually give the same genetic gain for all traits, but as the BASE INDEX is much easier to be used in calculations and interpretations it is preferably recommended.

Cites

DETERMINATION OF BEST SELECTION INDICES FOR FACILITATING SELECTION IN RICE

References

مطالعه روابط میان عملکرد و اجزای عملکرد در برنج

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APA: Copy

FAZL ALI POUR, M., RABIEI, B., SAMIZADEH LAHIJI, H.A., & RAHIM SOROUSH, H.. (2007). INDEX SELECTION IN AN F₃RICE POPULATION. IRANIAN JOURNAL OF AGRICULTURAL SCIENCES (JOURNAL OF AGRICULTURE), 38-1(2 (AGRONOMY AND CROP BIOTECHNOLOGY)), 385-397. SID. https://sid.ir/paper/8453/en

Vancouver: Copy

FAZL ALI POUR M., RABIEI B., SAMIZADEH LAHIJI H.A., RAHIM SOROUSH H.. INDEX SELECTION IN AN F₃RICE POPULATION. IRANIAN JOURNAL OF AGRICULTURAL SCIENCES (JOURNAL OF AGRICULTURE)[Internet]. 2007;38-1(2 (AGRONOMY AND CROP BIOTECHNOLOGY)):385-397. Available from: https://sid.ir/paper/8453/en

IEEE: Copy

M. FAZL ALI POUR, B. RABIEI, H.A. SAMIZADEH LAHIJI, and H. RAHIM SOROUSH, “INDEX SELECTION IN AN F₃RICE POPULATION,” IRANIAN JOURNAL OF AGRICULTURAL SCIENCES (JOURNAL OF AGRICULTURE), vol. 38-1, no. 2 (AGRONOMY AND CROP BIOTECHNOLOGY), pp. 385–397, 2007, [Online]. Available: https://sid.ir/paper/8453/en

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