Study on the combining ability and gene action in sunflower through line × tester mating design

Lakshman, Shyam Sundar; Chakrabarty, N. R.; Kole, P. C.

doi:10.5958/0975-928x.2019.00109.1

Cited by 12 publications

(16 citation statements)

References 2 publications

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“…However, selection in the later generations would be more effective than early selection for these traits. These findings were agreement with Lakshman et al (2019) and Ahmed et al (2019).…”

Section: Gene Mode Of Actionsupporting

confidence: 93%

“…This is maybe due to the aggregation of favorable genes from different traits in these superior backcrosses. The genetic variability among bi-parental sunflower crosses is consistent with those reported by Shinde et al (2016), Abd EL-Satar et al (2017) and Lakshman et al (2019).…”

Section: Mean Performancesupporting

confidence: 90%

“…Similarly, Azad et al (2016 concluded the predominance of the non-additive gene action in inheritance of all the studied traits except for days to maturity. Additionally, many of the yield-attributing traits in sunflower are under the influence of non-additive gene action as reported by Shinde et al (2016), Abd EL-Satar et al (2017, Lakshman et al (2019) and Ahmed et al (2019). Consequently, according to the previous authors, the improvement of these traits can be performed by using hybrid varieties.…”

Section: Introductionmentioning

confidence: 94%

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Gene action and heritability in bi-parental crosses of sunflower

Abdelsatar

Hassan

2020

Agron. Colomb.

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A field experiment was conducted in the contrasting locations of Kafr-El-Hamam/Sharkia and Al-Arish/North Sinai agricultural research stations of the Agricultural Research Center in Egypt. We estimated the additive and dominance genetic variances, as well as heritability in the broad and narrow senses for sunflower yield and its attributes in the cross L350 x L355 using North Carolina Design-III. The magnitude of the additive variances for all studied traits at both locations in proportion to the phenotypic variances was larger than the dominance variances. The average degree of dominance was greater than the unit, as also confirmed by the high narrow-sense heritability for most of the studied traits. The genetic improvement may be achieved through the selection of genotypes with larger head diameter and heavier seed weight which also showed moderate to high values of narrow-sense heritability. Thirty-two sunflower backcrosses were grouped into eight distinct clusters/groups by canonical analysis.

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“…However, selection in the later generations would be more effective than early selection for these traits. These findings were agreement with Lakshman et al (2019) and Ahmed et al (2019).…”

Section: Gene Mode Of Actionsupporting

confidence: 93%

Section: Mean Performancesupporting

confidence: 90%

Section: Introductionmentioning

confidence: 94%

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Gene action and heritability in bi-parental crosses of sunflower

Abdelsatar

Hassan

2020

Agron. Colomb.

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“…Significant standard heterosis for seed yield was also reported by Manivannan et al (2015) and Thakare et al (2015). High value of standard heterosis for seed yield in the experimental hybrids using CMS lines/tester lines had also been reported by Lakshman et al (2019) in combining ability study, Meena et al (2013), Chandra et al(2015) Supriya et al (2017 and Nandini et al(2017). Existence of significant standard heterosis for seed yield had also been reported by Sahane et al(2017).…”

Section: Resultssupporting

confidence: 60%

Estimation of economic heterosis for seed and oil yield in sunflower (Helianthus annuus L.) hybrids for coastal saline belt

Lakshman

Ghotke²,

Kar³

2021

EJPB

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Present investigation was carried out to identify the best hybrid combinations giving high degree of useful heterosis for economic traits like seed and oil yield in sunflower under high saline soil in coastal saline belts of West Bengal. The standard heterosis for seed yield ranged from -12.7 to 17.9, -3.4 to 30.5 and -10.5 to 20.8 per cent over LFSH -171, DRSH-1 and KBSH-44, respectively. The maximum hybrid vigor for seed yield was reported in the CMS-234A x EC-273009, followed by CMS-853A x EC 623023, CMS-234A X RHA-1-1, CMS-852 A x EC-601725 and CMS-852A x EC-601751. The range of economic heterosis for oil yield varied from 0.3 to 27.2 per cent over LSFH-171, from -10.2 to 13.9 per cent over DRSH-1 and from 5.2 to 33.4 per cent over KBSH-44. The maximum hybrid vigor for oil yield was reported in the

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“…The importance of non-additive variances was verified by the dominance degree ratio, which was more than uniform for all studied traits Table 6. The preponderance of non-additive gene action for these traits was supported in the results of Chahal et al (2019) and Lakshman et al (2019). Heritability values in broad and narrow senses were calculated and results are shown in Table 8.…”

Section: Stearic Acid (C18:0)mentioning

confidence: 70%

Heterosis for seed, oil yield and quality of some different hybrids sunflower

Ahmed

Hassan

Zahran

2021

OCL

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Twenty-one hybrids of sunflower were produced by crossing 7 introduced cytoplasmic male sterile lines (CMS-lines) with 3 restorer lines (RF-lines) using line × tester mating design. The twenty-one hybrids, three restorers, seven maintainer lines (B-lines) were evaluated. The experiment was conducted in a randomized complete block design of three replications. Mean squares due to genotypes, parents (P), crosses (C), lines (L), testers (T), P vs. C, for stearic acid and line × tester for palmitic acid. The inbred lines and their F1 hybrids differed significantly in their mean values of the traits under study. The variances due to specific combining ability (SCA) were higher than general combining ability (GCA) variances for all the studied traits, showing non-additive type of gene action controlling the traits. Non-additive type of gene action can be utilized for varietal improvement through heterosis breeding. Heterosis values for seed yield plant−1 were positive and highly significant relative to both the parental mean (17.68–72.38%) and the better parent (−2.86–56.842%). Significantly and negative heterosis was recorded in the case of linoleic acid relative to the parental mean (−81.24 to −38.02%) and better parent (−66.24–22.87%). With oleic acid, the heterotic effect ranged from −14.18 to 39.59% (parental mean) and from −15.06 to 38.72% (better parent). Therefore, these results are valuable for the improvement of quantitative as well as qualitative traits in sunflower breeding material to fulfill the edible oil requirements.

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Study on the combining ability and gene action in sunflower through line × tester mating design

Cited by 12 publications

References 2 publications

Gene action and heritability in bi-parental crosses of sunflower

Gene action and heritability in bi-parental crosses of sunflower

Estimation of economic heterosis for seed and oil yield in sunflower (Helianthus annuus L.) hybrids for coastal saline belt

Heterosis for seed, oil yield and quality of some different hybrids sunflower

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