Combining Ability and Heterosis in Corn Breeding Lines to Forage and Grain

Guerrero, César Guerrero; Robles, Miguel Ángel Gallegos; Ortega, J. Guadalupe Luna; Castillo, Ignacio Orona; Vázquez, Cirilo Vázquez; Carrillo, Mario García; Reséndez, Alejandro Moreno; Torres, Anselmo González

doi:10.4236/ajps.2014.56098

Cited by 9 publications

(7 citation statements)

References 16 publications

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“…These parental combinations show the clear role of non -additive gene action in SCA effects. The SCA effects of grain yield and yield attributing traits in maize were also reported by Amiruzzaman et al (2010); Haddadi et al (2012); Aminu et al (2014) and Guerrero et al (2014), also had given the emphasis on heterosis breeding for exploitation of non-additive gene action for maize improvement program. Heterosis: The per cent standard heterosis of crosses is presented in Table 4.…”

Section: Resultssupporting

confidence: 58%

Exploitation of combining ability and heterosis for development of maize hybrids for tarai region of Uttarakhand

Kumar

Verma

Uniyal

et al. 2016

JANS

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The present investigation was carried out with fifty six genotypes involving 10 parents, their 45 F1s hybrids and one check hybrid in tarai region of Uttarakhand. The presence of more amount of variance due to SCA effects than GCA effects in our experimental material indicated that heterosis breeding is better choice. The good general combiners were P1, P3 and P4 for ear length; P8 for ear diameter; P5 and P8 for number of kernel rows per ear; P1 and P4 for number of kernels per row, P8 and P9 for100-kernel weight and P5 for grain yield, which can be utilized directly or indirectly in breeding programme. The best eight specific combiners for grain yield were P1xP8, P4xP10, P7xP8, P5xP8, P5xP9, P4xP9, P1xP2 and P5xP10 involving average x average, good x average, good x poor and average x poor parental combinations of generalcombining ability indicating the presence of non-additive gene action. The nine crosses, P1xP2, P1 xP5, P1xP8, P4xP9, P4xP10, P5 xP8, P5xP9, P5xP10 and P7xP8 had positive significant per cent heterosis for grain yield, and crosses namely P1xP4, P1xP5 and P1xP8 for ear length; P1xP3 and P1xP5 for number of kernels per row and P1xP8 and P9x P10 for 100-kernel weight were having positive significant per cent heterosis at 1% and/or 5% level of significance for respective traits. The crosses, P1xP2, P1xP8, P4xP9 andP7xP8 manifested high SCA effects along with excellent standard heterosis and per se performance for grain yield and also for most of the studied characters, therefore, classified as potential hybrids.

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Section: Resultssupporting

confidence: 58%

Exploitation of combining ability and heterosis for development of maize hybrids for tarai region of Uttarakhand

Kumar

Verma

Uniyal

et al. 2016

JANS

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“…This indicates that additive and non-additive genes control the traits related to silage production and its bromatological characteristics. These data corroborate the results from other studies (Ertiro et al, 2013;Guerrero et al, 2014;Mendes et al, 2015).…”

Section: Individual and Join Analyses Of Variance And Heritabilitysupporting

confidence: 93%

Genetic divergence among corn hybrids and combining ability for agronomic and bromatological traits of silage

et al. 2017

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ABSTRACT.We assessed the impact of genetic divergence and the ability to combine corn hybrids used for the production of silage on the agronomic and bromatological traits of silage quality. We evaluated 18 corn hybrids used as genitors in a circulant diallel scheme in which each genitor hybrid participated in 9 hybrid combinations, and evaluated 100 treatments [18 genitor hybrids, 81 diallelic hybrids, and a commercial check hybrid (DKB330)] in a triple lattice 10 x 10 experimental design in two environments in Brazil. Genetic variability 2 E. Gralak et al.Genetics and Molecular Research 16 (2): gmr16029643 was adequate among the corn silage hybrids, and we can recommend the use of genitors 2B688 and P30B39 for the formation of a base population for intrapopulational breeding. The P30P34 hybrid is the best for intrapopulational breeding when aiming for silage with high protein content, low fiber content, and higher in vitro digestibility. Interpopulational breeding directed at improving silage digestibility can use a combination of genitors P30P34 and AS1572, but AS1572 and P30K64 are the most recommended. Hybrids 2B688, P30P34, and SG6015 are considered the most genetically distant of the others hybrids, and have desirable combining potential; therefore, they are important genitors for the formation of new segregated populations for improving corn silage.

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“…The parents with highest GCA values have a high contribution in the expression of their respective progeny performance and the effects of additive type are important (Guerrero et al, 2014). Recurrent selection is a way to exploit the proportion of additive genetic variance available (Preciado-Ortiz, Terrón-Ibarra, Gómez-Montiel, & Robledo-González, 2005).…”

Section: Estimates Of General Combining Abilitymentioning

confidence: 99%

“…In addition, genetic parameters can be estimated by the diallel cross analysis related to combining ability and the dominance relationship indication studied using F 1 hybrids with or without reciprocals. Many researchers like Abdel-Moneam, Sultan, Sadek, & Shalof (2014), El-Badawy (2013), Guerrero et al (2014) and Umar, Ado, Aba, & Bugaje (2014) used diallel cross method to estimate heterosis and combining ability effects in maize. Selection could be effective to improve the traits like grain yield controlled by additive gene effects.…”

Section: Introductionmentioning

confidence: 99%

Heterosis, Combining Ability and Their Inter-Relationship for Morphological and Quality Traits in Yellow Maize (Zea mays L.) Single-Crosses Across Environments

Bhusal

Lal²

2020

Agrivita.J.Agr.Sci

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The research aimed to study heterosis, combining ability and performance along with their interrelationship across three environments. Variance due to general (GCA) and specific combining abilities (SCA) and their interaction with environment was found to be significant for most of studied traits. For all the studied traits but ASI (Anthesis-silking interval), HI (Harvest index) and starch content, additive gene action was highly important than non-additive gene action for their expression as reflected by Baker's ratio which was near to unity. CML439, R13-1-1 and Tarun83-1-3-2 were the best general combiner for starch, protein and oil, respectively. R13-1-17, CML439 and Tarun83-1-3-2 were good general combiner for maturity characters and harvest index while TSK 196 and TSK 197 were good general combiner for cob length, cob girth, number of grains/row and grain yield. DMR9047×R13-1-17 and POP31Q×Tarun83-1-3-2 showed desirable heterosis and SCA effect for maturity characters. Regarding to SCA and heterosis, the prominent hybrids for grain yield were TSK197×R13-1-10, TSK194×POP31Q, DMR9047×POP31Q and R13-1-1×DMR9047. SCA established stronger relationship with per se performance of grain yield and quality traits than mid-parent (MPH) and best-parent heterosis (BPH), reflecting that an improvement in selection of SCA will results in an indirect improvement of MPH and BPH of hybrids.

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Combining Ability and Heterosis in Corn Breeding Lines to Forage and Grain

Cited by 9 publications

References 16 publications

Exploitation of combining ability and heterosis for development of maize hybrids for tarai region of Uttarakhand

Exploitation of combining ability and heterosis for development of maize hybrids for tarai region of Uttarakhand

Genetic divergence among corn hybrids and combining ability for agronomic and bromatological traits of silage

Heterosis, Combining Ability and Their Inter-Relationship for Morphological and Quality Traits in Yellow Maize (Zea mays L.) Single-Crosses Across Environments

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