Gene actions involved in the inheritance of yield related traits in bread wheat (Triticum aestivum L.)

Ljubi, Nataa; i, i; Petrovi, Sofija; Dimitrijevi, Miodrag; Hristov, Nikolay

doi:10.9755/ejfa.2016-02-117

Cited by 14 publications

(17 citation statements)

References 12 publications

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“…The high stress tolerance value for F 1 in both crosses indicates the effectiveness of selection in segregation generation under water stress condition. These findings are in accordance with those obtained by Said (2014) and Ljubicic et al (2016b…”

Section: Performance Potence Ratio and Stress Tolerance Indexsupporting

confidence: 93%

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Inheritance of Yield and its Components in Two Bread Wheat Crosses Under Normal and Water Stress Conditions

2020

AJAS

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The present investigation was conducted at Shandaweel Agricultural Research Station-Field Crops Research Institute (FCRI), Agricultural Research Center (ARC) through three successive winter seasons from 2015/16 to 2017/18. The experimental material included six populations i.e. P 1 , P 2 , F 1 , F 2 , BC 1 , and BC 2 for two bread wheat crosses viz Shandaweel 1 × Sids 1 and Line 1 × Sids 12. Six parameters model was applied for studying inheritance of seven agronomic traits; days to heading (DH), no. of spikes/plant (S/P), plant height (PLH), biological yield / plant (BY), grain yield/plant (GY),100-grain weight (100-KW), and no. of kernels/spike (K/S) under normal irrigation (5 irrigations) and water stress conditions (3 irrigations). The results showed significant or highly significant differences among the included materials. Mean performance of F 1 generation in cross 1 and cross 2 override mid-parents or/and best parent for most of the reviewed traits under investigation except plant height in cross 2 under stress conditions. The results of scaling tests indicated that at least one of these scales is significant and additive-dominance model is inadequate, consequently six parameters model is applicable. The results indicated that gene main effect was highly significant for all the studied traits. Additive gene effect was significant for most of the traits in combinations of the crosses and environments. The results showed that non-allelic interactions were significant or highly significant with positive sign for some traits and with negative sign for the others. The results indicated that duplicate epistasis was predominant while complementary epistasis was found only in one case. The average degree of dominance indicated presence of partial, complete, and over dominance. Broad, narrow sense heritability and genetic advance values were moderate to high. The results of the current investigation revealed that the included material can be used for producing high yielding lines under stress water conditions deploying selection in early generation for some traits and in advanced generation in the others.

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Section: Performance Potence Ratio and Stress Tolerance Indexsupporting

confidence: 93%

“…Considerable studies in this concern were conducted by many investigators e.g. Kearsey and Pooni (1996), Farshadfar et al (2001), Novoselovic et al (2004), Erkul et al (2010), Farshadfar et al (2013), Ljubicic et al (2016a) and Ljubicic et al (2016b).…”

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confidence: 99%

Inheritance of Yield and its Components in Two Bread Wheat Crosses Under Normal and Water Stress Conditions

2020

AJAS

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“…Means within a column followed by the same letter are not significantly different at the 0.05 probability level Unauthenticated Download Date | 5/8/18 9:48 PM generations and thus increase the chances of success in the improvement (Novoselović et al 2004;Ljubičić et al 2016).…”

Section: Resultsmentioning

confidence: 99%

“…Like SL, SG and GY showed a duplicate type epistasis, indicating a predominance of dispersed alleles at the interacting loci. The presence of duplicate epistasis type in quantitative trait might limit the range of variability and the selection success in the early generations could be negatively affected (Ljubičić et al 2016). Different models and magnitude of the epistatic genetic effects for the SL, SG and GY have been published in wheat (Ali et al 2014;Bnejdi and El Gazzah 2010;Grzesik 2000;Dvojković et al 2010;Tonk et al 2011;Hassan and El-Said 2014;Darwish and El-Nahas 2015).…”

Section: Resultsmentioning

confidence: 99%

Genetic parameters estimation in quantitative traits of a cross of triticale (x Triticosecale W.)

et al. 2018

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Triticale (x Triticosecale Wittmack) is a cereal used in Argentina as a winter seasonal pasture or feeding grain. Efforts made on breeding have led to varieties with potential grain yield similar or greater than with wheat. The aim of this study was to determine the gene effects, heritability, genetic gain, heterosis and inbreeding depression in various quantitative traits of a cross from contrasting lines of triticale using generation means analysis. The thousand kernel weight was adjusted to a model of additive-dominance, while the rest of the traits exhibited significant epistatic effects: additive x additive (i) for hectoliter weight, additive x dominance (j) for number grains per spike and grain yield per plant. Other traits showed a more complex as inheritance additive x additive (i) and additive x dominance (j) interactions effects for spike length or additive x dominance (j) and dominance x dominance (l) interactions effects for number of spikes per plant and number of spikelets per spike. High values of heritability and genetic gain were also detected for grain yield, spikelets per spike, spike per plant and hectoliter weight. All traits except spike per plant had positive relative mid-parent heterosis, but none resulted in positive heterobeltiosis, therefore this cross is not recommended for obtaining hybrids varieties. Selection in early generations by thousand kernel weight and hectoliter weight would be efficient, while the selection in advanced generations where segregation is minimal would be recommended for the remaining traits.

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“…Compared to what is reported in the literature, the results of the present study corroborate findings of Ferrari et al (2018), who observed that for GY additive (d) gene effect was not significant, but dominance (h) and dominance×dominance (l) epistatic effects made the higher contribution to the inheritance of this trait. For this character, Ljubičić et al (2016) reported duplicate type epistasis, proposing to delay selection for this trait because of the narrow range of variability and high probability of low selection success in an early generation. Analysis of the nature and magnitude of the gene effects of quantitative traits helps to design an efficient improvement program (Shekhawat et al, 2000).…”

Section: Gene Effectsmentioning

confidence: 99%

Generation means analysis of physiological and agronomical targeted traits in durum wheat (Triticum durum Desf.) cross

Salmi¹,

Benmahammed

Benderradji³

et al. 2019

Rev. Fac. Nac. Agron. Medellín

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Genetic parameters such as leaf relative water content, leaf chlorophyll content, plant height, above-ground biomass, harvest index, grain yield, and grain yield components of Bousselam/Mrb5 durum wheat (Triticum durum Desf.) cross were estimated based on generation means analysis. A, B, C, and D scaling and Chi-square (χ2) tests revealed the inadequacy of the simple additive-dominance model. This result suggests the presence of digenic epistasis for most studied traits; the duplicate epistasis was present for relative water content, above-ground biomass, and grain yield; and complementary epistasis was observed for chlorophyll content. Significant genotypic correlation coefficients appeared among grain yield, relative water content, and above-ground biomass. This suggests useful indirect selection criteria to improve simultaneously these traits, which showed significant heritability. It can be concluded that the traits investigated show a complex genetic behavior, which implies that early selection would be less efficient; therefore, it is recommended delaying the selection to advanced generations to benefit from the reduction of non-fixable genetic variation and exploit transgressive segregators due to the significant interaction additivity×additivity (i) of the gene and duplicated epistasis.

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Gene actions involved in the inheritance of yield related traits in bread wheat (Triticum aestivum L.)

Cited by 14 publications

References 12 publications

Inheritance of Yield and its Components in Two Bread Wheat Crosses Under Normal and Water Stress Conditions

Inheritance of Yield and its Components in Two Bread Wheat Crosses Under Normal and Water Stress Conditions

Genetic parameters estimation in quantitative traits of a cross of triticale (x Triticosecale W.)

Generation means analysis of physiological and agronomical targeted traits in durum wheat (Triticum durum Desf.) cross

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