Genetic Study of Agronomic Traits in Tobacco (Nicotiana tabacum L. ) Using Hayman’ s Graphical Analysis of Diallel

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DADASHI SOMAYEH; DARVISHZADEH REZA; NOURAEIN MOJTABA; HATAMI MALEKI HAMID

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Journal: JOURNAL OF PLANT GENETIC RESEARCH Year:2019 | Volume:6 | Issue:1 Page(s): 127-138

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Title

Genetic Study of Agronomic Traits in Tobacco (Nicotiana tabacum L. ) Using Hayman’ s Graphical Analysis of Diallel

Author(s)

DADASHI SOMAYEH | DARVISHZADEH REZA | NOURAEIN MOJTABA | HATAMI MALEKI HAMID | Issue Writer Certificate

Keywords

Genetic parametersQ2

TobaccoQ2

DiallelQ1

Gene actionQ1

YieldQ2

Abstract

For the purpose of graphical analysis and estimation of Genetic parameters related to Yield and its components, six Tobacco genotypes was crossed in half-Diallel mating design. In this study, the F2 progenies and their parents were evaluated in a randomized complete block design with three replications. The results of analysis of variance indicated a significant difference between genotypes for plant height, leaf number, leaf dry weight and leaf fresh weight. Hayman graphical method was utilized for analysis of data. Diallel analysis indicated existence of an additive and dominant actions in inheritance of all studied traits. Traits including plant height, leaf number, leaf length and width, stem diameter, internode distance and leaf dry weight possessed greater additive effects meanwhile in the leaf weight the dominance effect was greater. The additive Gene action detected for leaf dry weight (Yield) manifested the influence of selection methods in breeding of this trait. Due to the fact that the fresh weight of the leaf was controlled by dominance effects, so hybrid-based methods are effective in modifying this trait. Also, additive and dominance Gene action were contributed in heritability of Yield, plant height and number of leaves. Regarding the mean values of dominance degree and results of graphical analysis, the Gene action for leaf fresh weight was over-domnance and so, the heterosis phenomenon could be used to increase and improve this trait. For the traits including plant height, leaf number and Yield, the Gene action type was relative dominance.

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APA: Copy

DADASHI, SOMAYEH, DARVISHZADEH, REZA, NOURAEIN, MOJTABA, & HATAMI MALEKI, HAMID. (2019). Genetic Study of Agronomic Traits in Tobacco (Nicotiana tabacum L. ) Using Hayman’ s Graphical Analysis of Diallel. JOURNAL OF PLANT GENETIC RESEARCH, 6(1 ), 127-138. SID. https://sid.ir/paper/408138/en

Vancouver: Copy

DADASHI SOMAYEH, DARVISHZADEH REZA, NOURAEIN MOJTABA, HATAMI MALEKI HAMID. Genetic Study of Agronomic Traits in Tobacco (Nicotiana tabacum L. ) Using Hayman’ s Graphical Analysis of Diallel. JOURNAL OF PLANT GENETIC RESEARCH[Internet]. 2019;6(1 ):127-138. Available from: https://sid.ir/paper/408138/en

IEEE: Copy

SOMAYEH DADASHI, REZA DARVISHZADEH, MOJTABA NOURAEIN, and HAMID HATAMI MALEKI, “Genetic Study of Agronomic Traits in Tobacco (Nicotiana tabacum L. ) Using Hayman’ s Graphical Analysis of Diallel,” JOURNAL OF PLANT GENETIC RESEARCH, vol. 6, no. 1 , pp. 127–138, 2019, [Online]. Available: https://sid.ir/paper/408138/en

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