Combining Ability and Heterosis of Sorghum (&amp;lt;i&amp;gt;Sorghum bicolor&amp;lt;/i&amp;gt; L. Moench) Hybrids for Grain and Biomass Yield

Wagaw, Kidanemaryam; Tadesse, Tsegaye

doi:10.4236/ajps.2020.1112151

Cited by 3 publications

(7 citation statements)

References 5 publications

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“…Consequently, they culminated in heterosis and were the most productive in this study. A similar result was observed by Wagaw & Tadesse (2020) and Kumar et al, 2016, when the best female line was the same more contributed to producing the hybrids with the best yield grain.…”

Section: Resultssupporting

confidence: 82%

“…In addition, the hybrids 1236020 and 1099044 had the highest values for Hb%, both with 53.5%, surpassing their best father, L-11. In Wagaw & Tadesse (2020), the highest heterosis obtained was 162%, an average of 52.4. That information shows that simple sorghum hybrids have a high potential to increase yield grains.…”

Section: Resultsmentioning

confidence: 91%

“…However, in this experiment, heterosis and heterobeltiosis for these traits were not representative, even with negative values. In Wagaw & Tadesse (2020), the thousandgrain mass does not have significant heterosis, indicating the ability of the crosses to produce hybrids having increased performance of these traits failed, or the variability for genotypes was narrow.…”

Section: Resultsmentioning

confidence: 99%

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Heterosis and Inbreeding Depression in Grain Sorghum Hybrids

Santos

Menezes

Silva

et al. 2023

RBMS

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This study aimed to estimate the heterosis, heterobeltiosis, and inbreeding depression in grain sorghum hybrids. Twenty-five hybrids were evaluated in two seasons. The evaluated traits were days to flowering (FL), plant height (PH), grain yield (GY), and thousand grains mass (M1000). The contrast tested were F1 hybrids vs. check cultivars, F1 hybrids vs. parental lines, and F1 hybrids vs. F2 hybrids. The hybrids 1167048, 1099044, 1170017, and 1169054 had a five-day less flowering time than their parental lines. The hybrid 1170017 had a high grain yield (6.23 t ha-1) with 43.55% of heterobeltiosis. The diversity between lines was narrow. However, hybrids with higher grain yield, heterosis, and heterobeltiosis showed higher genetic distances from their parental lines. The inbreeding depression between F1 vs. F2 was 30%, indicating that using F1 hybrids seeds is worthwhile.

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Section: Resultssupporting

confidence: 82%

Section: Resultsmentioning

confidence: 91%

Section: Resultsmentioning

confidence: 99%

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Heterosis and Inbreeding Depression in Grain Sorghum Hybrids

Santos

Menezes

Silva

et al. 2023

RBMS

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“…While sorghum is a self-pollinated species, it has been grown as a hybrid crop in the United States since the development of the A 1 cytoplasmic male sterility system (Stephens & Holland, 1954). As a hybrid crop, both GCA and SCA are important in sorghums (grain sorghum : Crozier et al, 2020;Fonseca et al, 2021;Prasad & Biradar, 2017;biomass sorghum: Oliveira et al, 2019;Sheunda et al, 2019;Wagaw & Tadesse, 2020;sweet sorghum: Lombardi et al, 2018;Rocha et al, 2018;forage sorghum: Aruna et al, 2012;Gorz et al, 1987;Mohammed, 2009). In countries where the hybrid sorghum seed industry is in its infancy, GCA and SCA estimates can be used to develop heterotic groups which are essential for hybrid sorghum improvement programs (Akata et al, 2017;Kante et al, 2019;Kenga et al, 2004).…”

Section: Crop Sciencementioning

confidence: 99%

Combining abilities and elite germplasm enhancement across U.S. public sorghum breeding programs

et al. 2021

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For mature breeding programs, maintaining genetic variation in elite germplasm requires a continual assessment of the most efficient methods to maximize functional genetic variation while improving productivity. This research assessed the relative value (defined as population means and variances) derived from elite germplasm exchange between distinct public breeding programs. Ten elite A-and R-lines from Texas A&M and Kansas State sorghum (Sorghum bicolor L. Moench) breeding programs were crossed in a factorial design to generate 100 hybrids. Hybrid combinations were grouped to represent hybrids within and across programs. Grain yield, plant height, and days to anthesis were measured in 10 environments over 2 yr. Combining abilities and their interactions with the environment were assessed. Combined analysis detected significant effects for all traits, but genetic effects for grain yield were not consistently significant within each group of hybrid combinations. Hybrids derived from only Texas inbreds had limited genetic variation for grain yield but the highest mean of all four groups; hybrids derived from only Kansas inbreds produced moderate genetic variation but lower grain yield potential. Maximum genetic variation for grain yield and plant height occurred when Kansas A-lines were crossed to Texas R-lines, whereas hybrids between Texas A-lines and Kansas R-lines maximized variation for days to antheses. Results demonstrated the potential benefit from crossing elite inbred parents derived from distinct breeding programs to increase genetic variation and enhance agronomic performance.

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“…Thus, the phenomenon of heterosis has revolutions the production in many crops including sorghum in commercial basis. Chikuta et al (2017), Jadhav and Deshmukh (2017), Ingle et al (2018), Sheunda et al (2019), Gomes et al (2020), Wagaw and Tadesse (2020), Ribeiro et al (2021), El-Kady et al (2022), El-Komoss et al (2022) and Williams-Alanís et al (2022) found that positive and significant general and specific combining ability effects, respectively, for some parental lines (Male and female lines) and crosses for grain yield and its components. A lot of sorghum researches reveal that some parents exhibited negative and highly significant general combining ability effects for days to blooming (El-Sherbeny et al, 2019, El-Sagher;2019, Wagaw andTadesse, 2020;El-Kady et al, 2022).…”

Section: Introductionmentioning

confidence: 98%

Effect of drought stress on combining ability and heterosis in grain sorghum (Sorghum bicolor L. Moench)

Ali,

Hassan,

Mahmoud

et al. 2024

SVU-International Journal of Agricultural Sciences

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Combining Ability and Heterosis of Sorghum (<i>Sorghum bicolor</i> L. Moench) Hybrids for Grain and Biomass Yield

Cited by 3 publications

References 5 publications

Heterosis and Inbreeding Depression in Grain Sorghum Hybrids

Heterosis and Inbreeding Depression in Grain Sorghum Hybrids

Combining abilities and elite germplasm enhancement across U.S. public sorghum breeding programs

Effect of drought stress on combining ability and heterosis in grain sorghum (Sorghum bicolor L. Moench)

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