GENETIC VARIATION OF THE TRAITS IN ISOLATED LINES FROM LOCAL POPULATIONS OF FLAX (LINUM USITATISSIMUM L.)

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POOLADSAZ N.; SAEID G.

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Journal: Iranian Journal of Field Crops Research Year:2010 | Volume:8 | Issue:2 Page(s): 187-193

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Title

GENETIC VARIATION OF THE TRAITS IN ISOLATED LINES FROM LOCAL POPULATIONS OF FLAX (LINUM USITATISSIMUM L.)

Author(s)

POOLADSAZ N. | SAEID G. | Issue Writer Certificate

Keywords

FLAXQ2

LOCAL POPULATIONSQ2

GENETIC VARIATIONQ2

HERITABILITYQ2

AGRONOMIC TRAITSQ2

Abstract

Genetic variation for the traits in FLAX breeding programs can be used for selection of desirable genotypes for AGRONOMIC TRAITS. This study was conducted at the Research Farm of Isfahan University of Technology in 2006 to investigate genetic variability for different AGRONOMIC TRAITS of breeding lines isolated from 6 LOCAL POPULATIONS of FLAX. In this study, 73 isolated lines by single plant selection along with the LOCAL POPULATIONS and "Flanders" cultivar from Canada (as the control genotypes) were evaluated in a randomized complete block design with two replications. The results showed that there were significant differences among the genotypes for all of the studied traits such as capsules per plant, seeds per capsule, 100-seed weight, seed yield per plant and seed yield per plot.The range of variation for days to maturity, plant height, seed yield per plant and seed yield was 113 to 164 days, 32.8 to 68.4 cm, 0.16 to 1.39g and 375 to 2450 kg/ha, respectively. High phenotypic and genetic coefficients of variation were observed for number of seedlings per m2, rate of infected plants by powder mildew, branches per plant, capsules per plant, seeds per capsule, seed yield per plant and seed yield. Also, high broad-sense HERITABILITY (74.9 to 96.2%) was observed for all the traits, with the exception of days to 50% emergence that had moderate HERITABILITY (40.8%). Seed oil content which was determined for 10 higher yielding lines had high variation (36.9% to 40.4%) and high broad-sense HERITABILITY (99%). Cluster analysis classified the genotypes in to 4 groups in which the genotypes of two groups had the highest seeds per capsule, seed yield per plant and seed yield.

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APA: Copy

POOLADSAZ, N., & SAEID, G.. (2010). GENETIC VARIATION OF THE TRAITS IN ISOLATED LINES FROM LOCAL POPULATIONS OF FLAX (LINUM USITATISSIMUM L.). IRANIAN JOURNAL OF FIELD CROPS RESEARCH, 8(2), 187-193. SID. https://sid.ir/paper/119405/en

Vancouver: Copy

POOLADSAZ N., SAEID G.. GENETIC VARIATION OF THE TRAITS IN ISOLATED LINES FROM LOCAL POPULATIONS OF FLAX (LINUM USITATISSIMUM L.). IRANIAN JOURNAL OF FIELD CROPS RESEARCH[Internet]. 2010;8(2):187-193. Available from: https://sid.ir/paper/119405/en

IEEE: Copy

N. POOLADSAZ, and G. SAEID, “GENETIC VARIATION OF THE TRAITS IN ISOLATED LINES FROM LOCAL POPULATIONS OF FLAX (LINUM USITATISSIMUM L.),” IRANIAN JOURNAL OF FIELD CROPS RESEARCH, vol. 8, no. 2, pp. 187–193, 2010, [Online]. Available: https://sid.ir/paper/119405/en

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