GENETIC ANALYSIS OF SEED AND OIL YIELD RELATED AGRONOMIC TRAITS UNDER OPTIMUM AND LIMITED IRRIGATION IN SUNFLOWER

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GHAFFARI M.; SHARIATI F.; LACK A.

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Paper Information

Journal: IRANIAN JOURNAL OF DRYLAND AGRICULTURE Year:2016 | Volume:5 | Issue:1 Page(s): 99-109

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Title

GENETIC ANALYSIS OF SEED AND OIL YIELD RELATED AGRONOMIC TRAITS UNDER OPTIMUM AND LIMITED IRRIGATION IN SUNFLOWER

Author(s)

GHAFFARI M. | SHARIATI F. | LACK A. | Issue Writer Certificate

Keywords

ADDITIVE EFFECTQ2

DOMINANCEQ2

HERITABILITYQ2

LINE×TESTERQ2

Abstract

In order to estimate genetic components of variance for agronomic traits in sunflower, 16 single cross hybrids (obtained by crossing between four restorer lines with four CMS lines) were evaluated in RCBD with three replications under optimum and water limited conditions. The data were analyzed as LINE×TESTER mating design. Results showed that under optimum irrigation conditions, growth period, seed weight and oil content were under control of additive geneeffect, whereas plant height was under control of non-additive gene effect. Date of flowering, head diameter, seed and oil yield were under control of both additive and non-additive gene effects.Under water limited conditions, date of flowering was under control of additive, whereas plant height, seed and oil yield were under control of non-additive gene effects. In water limited conditions, the values for HERITABILITY were lower than optimum conditions. This difference might be due to drought stress. The results indicated that selection based methods may be efficient for production of early mature sunflower hybrids under drought conditions, whereas hybridization is needed for improvement of plant height, seed and oil yield. Screening of genetic materials under limited water supply could improve efficiency of breeding programs for providing of drought tolerant cultivars.

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APA: Copy

GHAFFARI, M., SHARIATI, F., & LACK, A.. (2016). GENETIC ANALYSIS OF SEED AND OIL YIELD RELATED AGRONOMIC TRAITS UNDER OPTIMUM AND LIMITED IRRIGATION IN SUNFLOWER. IRANIAN JOURNAL OF DRYLAND AGRICULTURE, 5(1), 99-109. SID. https://sid.ir/paper/262066/en

Vancouver: Copy

GHAFFARI M., SHARIATI F., LACK A.. GENETIC ANALYSIS OF SEED AND OIL YIELD RELATED AGRONOMIC TRAITS UNDER OPTIMUM AND LIMITED IRRIGATION IN SUNFLOWER. IRANIAN JOURNAL OF DRYLAND AGRICULTURE[Internet]. 2016;5(1):99-109. Available from: https://sid.ir/paper/262066/en

IEEE: Copy

M. GHAFFARI, F. SHARIATI, and A. LACK, “GENETIC ANALYSIS OF SEED AND OIL YIELD RELATED AGRONOMIC TRAITS UNDER OPTIMUM AND LIMITED IRRIGATION IN SUNFLOWER,” IRANIAN JOURNAL OF DRYLAND AGRICULTURE, vol. 5, no. 1, pp. 99–109, 2016, [Online]. Available: https://sid.ir/paper/262066/en

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