Combining ability and heritability analysis of sweetpotato weevil resistance, root yield, and dry matter content in sweetpotato

Efficient breeding and selection of superior genotypes requires a comprehensive understanding of the genetics of traits. This study was aimed at establishing the general combining ability (GCA), specific combining ability (SCA), and heritability of sweetpotato weevil (Cylas spp.) resistance, storage root yield, and dry matter content in a sweetpotato multi-parental breeding population. A population of 1,896 F1 clones obtained from an 8 × 8 North Carolina II design cross was evaluated with its parents in the field at two sweetpotato weevil hotspots in Uganda, using an augmented row-column design. Clone roots were further evaluated in three rounds of a no-choice feeding laboratory bioassay. Significant GCA effects for parents and SCA effects for families were observed for most traits and all variance components were highly significant (p ≤ 0.001). Narrow-sense heritability estimates for weevil severity, storage root yield, and dry matter content were 0.35, 0.36, and 0.45, respectively. Parental genotypes with superior GCA for weevil resistance included “Mugande,” NASPOT 5, “Dimbuka-bukulula,” and “Wagabolige.” On the other hand, families that displayed the highest levels of resistance to weevils included “Wagabolige” × NASPOT 10 O, NASPOT 5 × “Dimbuka-bukulula,” “Mugande” × “Dimbuka-bukulula,” and NASPOT 11 × NASPOT 7. The moderate levels of narrow-sense heritability observed for the traits, coupled with the significant GCA and SCA effects, suggest that there is potential for their improvement through conventional breeding via hybridization and progeny selection and advancement. Although selection for weevil resistance may, to some extent, be challenging for breeders, efforts could be boosted through applying genomics-assisted breeding. Superior parents and families identified through this study could be deployed in further research involving the genetic improvement of these traits. Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Immaculate Mugisa [verfasserIn] Jeninah Karungi [verfasserIn] Paul Musana [verfasserIn] Roy Odama [verfasserIn] Agnes Alajo [verfasserIn] Doreen M. Chelangat [verfasserIn] Milton O. Anyanga [verfasserIn] Bonny M. Oloka [verfasserIn] Iara Gonçalves dos Santos [verfasserIn] Herbert Talwana [verfasserIn] Mildred Ochwo-Ssemakula [verfasserIn] Richard Edema [verfasserIn] Paul Gibson [verfasserIn] Reuben Ssali [verfasserIn] Hugo Campos [verfasserIn] Bode A. Olukolu [verfasserIn] Guilherme da Silva Pereira [verfasserIn] Craig Yencho [verfasserIn] Benard Yada [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2022

Schlagwörter:	clones crosses families mixed models Cylas spp. Ipomoea batatas

Übergeordnetes Werk:	In: Frontiers in Plant Science - Frontiers Media S.A., 2011, 13(2022)
Übergeordnetes Werk:	volume:13 ; year:2022

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.3389/fpls.2022.956936

Katalog-ID:	DOAJ084587024

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allfields	10.3389/fpls.2022.956936 doi (DE-627)DOAJ084587024 (DE-599)DOAJ7974143ba03e4c7d99e7d2d31b0c6cd2 DE-627 ger DE-627 rakwb eng SB1-1110 Immaculate Mugisa verfasserin aut Combining ability and heritability analysis of sweetpotato weevil resistance, root yield, and dry matter content in sweetpotato 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Efficient breeding and selection of superior genotypes requires a comprehensive understanding of the genetics of traits. This study was aimed at establishing the general combining ability (GCA), specific combining ability (SCA), and heritability of sweetpotato weevil (Cylas spp.) resistance, storage root yield, and dry matter content in a sweetpotato multi-parental breeding population. A population of 1,896 F1 clones obtained from an 8 × 8 North Carolina II design cross was evaluated with its parents in the field at two sweetpotato weevil hotspots in Uganda, using an augmented row-column design. Clone roots were further evaluated in three rounds of a no-choice feeding laboratory bioassay. Significant GCA effects for parents and SCA effects for families were observed for most traits and all variance components were highly significant (p ≤ 0.001). Narrow-sense heritability estimates for weevil severity, storage root yield, and dry matter content were 0.35, 0.36, and 0.45, respectively. Parental genotypes with superior GCA for weevil resistance included “Mugande,” NASPOT 5, “Dimbuka-bukulula,” and “Wagabolige.” On the other hand, families that displayed the highest levels of resistance to weevils included “Wagabolige” × NASPOT 10 O, NASPOT 5 × “Dimbuka-bukulula,” “Mugande” × “Dimbuka-bukulula,” and NASPOT 11 × NASPOT 7. The moderate levels of narrow-sense heritability observed for the traits, coupled with the significant GCA and SCA effects, suggest that there is potential for their improvement through conventional breeding via hybridization and progeny selection and advancement. Although selection for weevil resistance may, to some extent, be challenging for breeders, efforts could be boosted through applying genomics-assisted breeding. Superior parents and families identified through this study could be deployed in further research involving the genetic improvement of these traits. clones crosses families mixed models Cylas spp. Ipomoea batatas Plant culture Immaculate Mugisa verfasserin aut Jeninah Karungi verfasserin aut Paul Musana verfasserin aut Roy Odama verfasserin aut Agnes Alajo verfasserin aut Doreen M. Chelangat verfasserin aut Milton O. Anyanga verfasserin aut Bonny M. Oloka verfasserin aut Iara Gonçalves dos Santos verfasserin aut Herbert Talwana verfasserin aut Mildred Ochwo-Ssemakula verfasserin aut Richard Edema verfasserin aut Paul Gibson verfasserin aut Reuben Ssali verfasserin aut Hugo Campos verfasserin aut Bode A. Olukolu verfasserin aut Guilherme da Silva Pereira verfasserin aut Craig Yencho verfasserin aut Benard Yada verfasserin aut In Frontiers in Plant Science Frontiers Media S.A., 2011 13(2022) (DE-627)662359240 (DE-600)2613694-6 1664462X nnns volume:13 year:2022 https://doi.org/10.3389/fpls.2022.956936 kostenfrei https://doaj.org/article/7974143ba03e4c7d99e7d2d31b0c6cd2 kostenfrei https://www.frontiersin.org/articles/10.3389/fpls.2022.956936/full kostenfrei https://doaj.org/toc/1664-462X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 13 2022
spelling	10.3389/fpls.2022.956936 doi (DE-627)DOAJ084587024 (DE-599)DOAJ7974143ba03e4c7d99e7d2d31b0c6cd2 DE-627 ger DE-627 rakwb eng SB1-1110 Immaculate Mugisa verfasserin aut Combining ability and heritability analysis of sweetpotato weevil resistance, root yield, and dry matter content in sweetpotato 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Efficient breeding and selection of superior genotypes requires a comprehensive understanding of the genetics of traits. This study was aimed at establishing the general combining ability (GCA), specific combining ability (SCA), and heritability of sweetpotato weevil (Cylas spp.) resistance, storage root yield, and dry matter content in a sweetpotato multi-parental breeding population. A population of 1,896 F1 clones obtained from an 8 × 8 North Carolina II design cross was evaluated with its parents in the field at two sweetpotato weevil hotspots in Uganda, using an augmented row-column design. Clone roots were further evaluated in three rounds of a no-choice feeding laboratory bioassay. Significant GCA effects for parents and SCA effects for families were observed for most traits and all variance components were highly significant (p ≤ 0.001). Narrow-sense heritability estimates for weevil severity, storage root yield, and dry matter content were 0.35, 0.36, and 0.45, respectively. Parental genotypes with superior GCA for weevil resistance included “Mugande,” NASPOT 5, “Dimbuka-bukulula,” and “Wagabolige.” On the other hand, families that displayed the highest levels of resistance to weevils included “Wagabolige” × NASPOT 10 O, NASPOT 5 × “Dimbuka-bukulula,” “Mugande” × “Dimbuka-bukulula,” and NASPOT 11 × NASPOT 7. The moderate levels of narrow-sense heritability observed for the traits, coupled with the significant GCA and SCA effects, suggest that there is potential for their improvement through conventional breeding via hybridization and progeny selection and advancement. Although selection for weevil resistance may, to some extent, be challenging for breeders, efforts could be boosted through applying genomics-assisted breeding. Superior parents and families identified through this study could be deployed in further research involving the genetic improvement of these traits. clones crosses families mixed models Cylas spp. Ipomoea batatas Plant culture Immaculate Mugisa verfasserin aut Jeninah Karungi verfasserin aut Paul Musana verfasserin aut Roy Odama verfasserin aut Agnes Alajo verfasserin aut Doreen M. Chelangat verfasserin aut Milton O. Anyanga verfasserin aut Bonny M. Oloka verfasserin aut Iara Gonçalves dos Santos verfasserin aut Herbert Talwana verfasserin aut Mildred Ochwo-Ssemakula verfasserin aut Richard Edema verfasserin aut Paul Gibson verfasserin aut Reuben Ssali verfasserin aut Hugo Campos verfasserin aut Bode A. Olukolu verfasserin aut Guilherme da Silva Pereira verfasserin aut Craig Yencho verfasserin aut Benard Yada verfasserin aut In Frontiers in Plant Science Frontiers Media S.A., 2011 13(2022) (DE-627)662359240 (DE-600)2613694-6 1664462X nnns volume:13 year:2022 https://doi.org/10.3389/fpls.2022.956936 kostenfrei https://doaj.org/article/7974143ba03e4c7d99e7d2d31b0c6cd2 kostenfrei https://www.frontiersin.org/articles/10.3389/fpls.2022.956936/full kostenfrei https://doaj.org/toc/1664-462X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 13 2022
allfields_unstemmed	10.3389/fpls.2022.956936 doi (DE-627)DOAJ084587024 (DE-599)DOAJ7974143ba03e4c7d99e7d2d31b0c6cd2 DE-627 ger DE-627 rakwb eng SB1-1110 Immaculate Mugisa verfasserin aut Combining ability and heritability analysis of sweetpotato weevil resistance, root yield, and dry matter content in sweetpotato 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Efficient breeding and selection of superior genotypes requires a comprehensive understanding of the genetics of traits. This study was aimed at establishing the general combining ability (GCA), specific combining ability (SCA), and heritability of sweetpotato weevil (Cylas spp.) resistance, storage root yield, and dry matter content in a sweetpotato multi-parental breeding population. A population of 1,896 F1 clones obtained from an 8 × 8 North Carolina II design cross was evaluated with its parents in the field at two sweetpotato weevil hotspots in Uganda, using an augmented row-column design. Clone roots were further evaluated in three rounds of a no-choice feeding laboratory bioassay. Significant GCA effects for parents and SCA effects for families were observed for most traits and all variance components were highly significant (p ≤ 0.001). Narrow-sense heritability estimates for weevil severity, storage root yield, and dry matter content were 0.35, 0.36, and 0.45, respectively. Parental genotypes with superior GCA for weevil resistance included “Mugande,” NASPOT 5, “Dimbuka-bukulula,” and “Wagabolige.” On the other hand, families that displayed the highest levels of resistance to weevils included “Wagabolige” × NASPOT 10 O, NASPOT 5 × “Dimbuka-bukulula,” “Mugande” × “Dimbuka-bukulula,” and NASPOT 11 × NASPOT 7. The moderate levels of narrow-sense heritability observed for the traits, coupled with the significant GCA and SCA effects, suggest that there is potential for their improvement through conventional breeding via hybridization and progeny selection and advancement. Although selection for weevil resistance may, to some extent, be challenging for breeders, efforts could be boosted through applying genomics-assisted breeding. Superior parents and families identified through this study could be deployed in further research involving the genetic improvement of these traits. clones crosses families mixed models Cylas spp. Ipomoea batatas Plant culture Immaculate Mugisa verfasserin aut Jeninah Karungi verfasserin aut Paul Musana verfasserin aut Roy Odama verfasserin aut Agnes Alajo verfasserin aut Doreen M. Chelangat verfasserin aut Milton O. Anyanga verfasserin aut Bonny M. Oloka verfasserin aut Iara Gonçalves dos Santos verfasserin aut Herbert Talwana verfasserin aut Mildred Ochwo-Ssemakula verfasserin aut Richard Edema verfasserin aut Paul Gibson verfasserin aut Reuben Ssali verfasserin aut Hugo Campos verfasserin aut Bode A. Olukolu verfasserin aut Guilherme da Silva Pereira verfasserin aut Craig Yencho verfasserin aut Benard Yada verfasserin aut In Frontiers in Plant Science Frontiers Media S.A., 2011 13(2022) (DE-627)662359240 (DE-600)2613694-6 1664462X nnns volume:13 year:2022 https://doi.org/10.3389/fpls.2022.956936 kostenfrei https://doaj.org/article/7974143ba03e4c7d99e7d2d31b0c6cd2 kostenfrei https://www.frontiersin.org/articles/10.3389/fpls.2022.956936/full kostenfrei https://doaj.org/toc/1664-462X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 13 2022
allfieldsGer	10.3389/fpls.2022.956936 doi (DE-627)DOAJ084587024 (DE-599)DOAJ7974143ba03e4c7d99e7d2d31b0c6cd2 DE-627 ger DE-627 rakwb eng SB1-1110 Immaculate Mugisa verfasserin aut Combining ability and heritability analysis of sweetpotato weevil resistance, root yield, and dry matter content in sweetpotato 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Efficient breeding and selection of superior genotypes requires a comprehensive understanding of the genetics of traits. This study was aimed at establishing the general combining ability (GCA), specific combining ability (SCA), and heritability of sweetpotato weevil (Cylas spp.) resistance, storage root yield, and dry matter content in a sweetpotato multi-parental breeding population. A population of 1,896 F1 clones obtained from an 8 × 8 North Carolina II design cross was evaluated with its parents in the field at two sweetpotato weevil hotspots in Uganda, using an augmented row-column design. Clone roots were further evaluated in three rounds of a no-choice feeding laboratory bioassay. Significant GCA effects for parents and SCA effects for families were observed for most traits and all variance components were highly significant (p ≤ 0.001). Narrow-sense heritability estimates for weevil severity, storage root yield, and dry matter content were 0.35, 0.36, and 0.45, respectively. Parental genotypes with superior GCA for weevil resistance included “Mugande,” NASPOT 5, “Dimbuka-bukulula,” and “Wagabolige.” On the other hand, families that displayed the highest levels of resistance to weevils included “Wagabolige” × NASPOT 10 O, NASPOT 5 × “Dimbuka-bukulula,” “Mugande” × “Dimbuka-bukulula,” and NASPOT 11 × NASPOT 7. The moderate levels of narrow-sense heritability observed for the traits, coupled with the significant GCA and SCA effects, suggest that there is potential for their improvement through conventional breeding via hybridization and progeny selection and advancement. Although selection for weevil resistance may, to some extent, be challenging for breeders, efforts could be boosted through applying genomics-assisted breeding. Superior parents and families identified through this study could be deployed in further research involving the genetic improvement of these traits. clones crosses families mixed models Cylas spp. Ipomoea batatas Plant culture Immaculate Mugisa verfasserin aut Jeninah Karungi verfasserin aut Paul Musana verfasserin aut Roy Odama verfasserin aut Agnes Alajo verfasserin aut Doreen M. Chelangat verfasserin aut Milton O. Anyanga verfasserin aut Bonny M. Oloka verfasserin aut Iara Gonçalves dos Santos verfasserin aut Herbert Talwana verfasserin aut Mildred Ochwo-Ssemakula verfasserin aut Richard Edema verfasserin aut Paul Gibson verfasserin aut Reuben Ssali verfasserin aut Hugo Campos verfasserin aut Bode A. Olukolu verfasserin aut Guilherme da Silva Pereira verfasserin aut Craig Yencho verfasserin aut Benard Yada verfasserin aut In Frontiers in Plant Science Frontiers Media S.A., 2011 13(2022) (DE-627)662359240 (DE-600)2613694-6 1664462X nnns volume:13 year:2022 https://doi.org/10.3389/fpls.2022.956936 kostenfrei https://doaj.org/article/7974143ba03e4c7d99e7d2d31b0c6cd2 kostenfrei https://www.frontiersin.org/articles/10.3389/fpls.2022.956936/full kostenfrei https://doaj.org/toc/1664-462X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 13 2022
allfieldsSound	10.3389/fpls.2022.956936 doi (DE-627)DOAJ084587024 (DE-599)DOAJ7974143ba03e4c7d99e7d2d31b0c6cd2 DE-627 ger DE-627 rakwb eng SB1-1110 Immaculate Mugisa verfasserin aut Combining ability and heritability analysis of sweetpotato weevil resistance, root yield, and dry matter content in sweetpotato 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Efficient breeding and selection of superior genotypes requires a comprehensive understanding of the genetics of traits. This study was aimed at establishing the general combining ability (GCA), specific combining ability (SCA), and heritability of sweetpotato weevil (Cylas spp.) resistance, storage root yield, and dry matter content in a sweetpotato multi-parental breeding population. A population of 1,896 F1 clones obtained from an 8 × 8 North Carolina II design cross was evaluated with its parents in the field at two sweetpotato weevil hotspots in Uganda, using an augmented row-column design. Clone roots were further evaluated in three rounds of a no-choice feeding laboratory bioassay. Significant GCA effects for parents and SCA effects for families were observed for most traits and all variance components were highly significant (p ≤ 0.001). Narrow-sense heritability estimates for weevil severity, storage root yield, and dry matter content were 0.35, 0.36, and 0.45, respectively. Parental genotypes with superior GCA for weevil resistance included “Mugande,” NASPOT 5, “Dimbuka-bukulula,” and “Wagabolige.” On the other hand, families that displayed the highest levels of resistance to weevils included “Wagabolige” × NASPOT 10 O, NASPOT 5 × “Dimbuka-bukulula,” “Mugande” × “Dimbuka-bukulula,” and NASPOT 11 × NASPOT 7. The moderate levels of narrow-sense heritability observed for the traits, coupled with the significant GCA and SCA effects, suggest that there is potential for their improvement through conventional breeding via hybridization and progeny selection and advancement. Although selection for weevil resistance may, to some extent, be challenging for breeders, efforts could be boosted through applying genomics-assisted breeding. Superior parents and families identified through this study could be deployed in further research involving the genetic improvement of these traits. clones crosses families mixed models Cylas spp. Ipomoea batatas Plant culture Immaculate Mugisa verfasserin aut Jeninah Karungi verfasserin aut Paul Musana verfasserin aut Roy Odama verfasserin aut Agnes Alajo verfasserin aut Doreen M. Chelangat verfasserin aut Milton O. Anyanga verfasserin aut Bonny M. Oloka verfasserin aut Iara Gonçalves dos Santos verfasserin aut Herbert Talwana verfasserin aut Mildred Ochwo-Ssemakula verfasserin aut Richard Edema verfasserin aut Paul Gibson verfasserin aut Reuben Ssali verfasserin aut Hugo Campos verfasserin aut Bode A. Olukolu verfasserin aut Guilherme da Silva Pereira verfasserin aut Craig Yencho verfasserin aut Benard Yada verfasserin aut In Frontiers in Plant Science Frontiers Media S.A., 2011 13(2022) (DE-627)662359240 (DE-600)2613694-6 1664462X nnns volume:13 year:2022 https://doi.org/10.3389/fpls.2022.956936 kostenfrei https://doaj.org/article/7974143ba03e4c7d99e7d2d31b0c6cd2 kostenfrei https://www.frontiersin.org/articles/10.3389/fpls.2022.956936/full kostenfrei https://doaj.org/toc/1664-462X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 13 2022
language	English
source	In Frontiers in Plant Science 13(2022) volume:13 year:2022
sourceStr	In Frontiers in Plant Science 13(2022) volume:13 year:2022
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	clones crosses families mixed models Cylas spp. Ipomoea batatas Plant culture
isfreeaccess_bool	true
container_title	Frontiers in Plant Science
authorswithroles_txt_mv	Immaculate Mugisa @@aut@@ Jeninah Karungi @@aut@@ Paul Musana @@aut@@ Roy Odama @@aut@@ Agnes Alajo @@aut@@ Doreen M. Chelangat @@aut@@ Milton O. Anyanga @@aut@@ Bonny M. Oloka @@aut@@ Iara Gonçalves dos Santos @@aut@@ Herbert Talwana @@aut@@ Mildred Ochwo-Ssemakula @@aut@@ Richard Edema @@aut@@ Paul Gibson @@aut@@ Reuben Ssali @@aut@@ Hugo Campos @@aut@@ Bode A. Olukolu @@aut@@ Guilherme da Silva Pereira @@aut@@ Craig Yencho @@aut@@ Benard Yada @@aut@@
publishDateDaySort_date	2022-01-01T00:00:00Z
hierarchy_top_id	662359240
id	DOAJ084587024
language_de	englisch
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callnumber-first	S - Agriculture
author	Immaculate Mugisa
spellingShingle	Immaculate Mugisa misc SB1-1110 misc clones misc crosses misc families misc mixed models misc Cylas spp. misc Ipomoea batatas misc Plant culture Combining ability and heritability analysis of sweetpotato weevil resistance, root yield, and dry matter content in sweetpotato
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topic_title	SB1-1110 Combining ability and heritability analysis of sweetpotato weevil resistance, root yield, and dry matter content in sweetpotato clones crosses families mixed models Cylas spp Ipomoea batatas
topic	misc SB1-1110 misc clones misc crosses misc families misc mixed models misc Cylas spp. misc Ipomoea batatas misc Plant culture
topic_unstemmed	misc SB1-1110 misc clones misc crosses misc families misc mixed models misc Cylas spp. misc Ipomoea batatas misc Plant culture
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title	Combining ability and heritability analysis of sweetpotato weevil resistance, root yield, and dry matter content in sweetpotato
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title_full	Combining ability and heritability analysis of sweetpotato weevil resistance, root yield, and dry matter content in sweetpotato
author_sort	Immaculate Mugisa
journal	Frontiers in Plant Science
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author_browse	Immaculate Mugisa Jeninah Karungi Paul Musana Roy Odama Agnes Alajo Doreen M. Chelangat Milton O. Anyanga Bonny M. Oloka Iara Gonçalves dos Santos Herbert Talwana Mildred Ochwo-Ssemakula Richard Edema Paul Gibson Reuben Ssali Hugo Campos Bode A. Olukolu Guilherme da Silva Pereira Craig Yencho Benard Yada
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doi_str_mv	10.3389/fpls.2022.956936
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title_sort	combining ability and heritability analysis of sweetpotato weevil resistance, root yield, and dry matter content in sweetpotato
callnumber	SB1-1110
title_auth	Combining ability and heritability analysis of sweetpotato weevil resistance, root yield, and dry matter content in sweetpotato
abstract	Efficient breeding and selection of superior genotypes requires a comprehensive understanding of the genetics of traits. This study was aimed at establishing the general combining ability (GCA), specific combining ability (SCA), and heritability of sweetpotato weevil (Cylas spp.) resistance, storage root yield, and dry matter content in a sweetpotato multi-parental breeding population. A population of 1,896 F1 clones obtained from an 8 × 8 North Carolina II design cross was evaluated with its parents in the field at two sweetpotato weevil hotspots in Uganda, using an augmented row-column design. Clone roots were further evaluated in three rounds of a no-choice feeding laboratory bioassay. Significant GCA effects for parents and SCA effects for families were observed for most traits and all variance components were highly significant (p ≤ 0.001). Narrow-sense heritability estimates for weevil severity, storage root yield, and dry matter content were 0.35, 0.36, and 0.45, respectively. Parental genotypes with superior GCA for weevil resistance included “Mugande,” NASPOT 5, “Dimbuka-bukulula,” and “Wagabolige.” On the other hand, families that displayed the highest levels of resistance to weevils included “Wagabolige” × NASPOT 10 O, NASPOT 5 × “Dimbuka-bukulula,” “Mugande” × “Dimbuka-bukulula,” and NASPOT 11 × NASPOT 7. The moderate levels of narrow-sense heritability observed for the traits, coupled with the significant GCA and SCA effects, suggest that there is potential for their improvement through conventional breeding via hybridization and progeny selection and advancement. Although selection for weevil resistance may, to some extent, be challenging for breeders, efforts could be boosted through applying genomics-assisted breeding. Superior parents and families identified through this study could be deployed in further research involving the genetic improvement of these traits.
abstractGer	Efficient breeding and selection of superior genotypes requires a comprehensive understanding of the genetics of traits. This study was aimed at establishing the general combining ability (GCA), specific combining ability (SCA), and heritability of sweetpotato weevil (Cylas spp.) resistance, storage root yield, and dry matter content in a sweetpotato multi-parental breeding population. A population of 1,896 F1 clones obtained from an 8 × 8 North Carolina II design cross was evaluated with its parents in the field at two sweetpotato weevil hotspots in Uganda, using an augmented row-column design. Clone roots were further evaluated in three rounds of a no-choice feeding laboratory bioassay. Significant GCA effects for parents and SCA effects for families were observed for most traits and all variance components were highly significant (p ≤ 0.001). Narrow-sense heritability estimates for weevil severity, storage root yield, and dry matter content were 0.35, 0.36, and 0.45, respectively. Parental genotypes with superior GCA for weevil resistance included “Mugande,” NASPOT 5, “Dimbuka-bukulula,” and “Wagabolige.” On the other hand, families that displayed the highest levels of resistance to weevils included “Wagabolige” × NASPOT 10 O, NASPOT 5 × “Dimbuka-bukulula,” “Mugande” × “Dimbuka-bukulula,” and NASPOT 11 × NASPOT 7. The moderate levels of narrow-sense heritability observed for the traits, coupled with the significant GCA and SCA effects, suggest that there is potential for their improvement through conventional breeding via hybridization and progeny selection and advancement. Although selection for weevil resistance may, to some extent, be challenging for breeders, efforts could be boosted through applying genomics-assisted breeding. Superior parents and families identified through this study could be deployed in further research involving the genetic improvement of these traits.
abstract_unstemmed	Efficient breeding and selection of superior genotypes requires a comprehensive understanding of the genetics of traits. This study was aimed at establishing the general combining ability (GCA), specific combining ability (SCA), and heritability of sweetpotato weevil (Cylas spp.) resistance, storage root yield, and dry matter content in a sweetpotato multi-parental breeding population. A population of 1,896 F1 clones obtained from an 8 × 8 North Carolina II design cross was evaluated with its parents in the field at two sweetpotato weevil hotspots in Uganda, using an augmented row-column design. Clone roots were further evaluated in three rounds of a no-choice feeding laboratory bioassay. Significant GCA effects for parents and SCA effects for families were observed for most traits and all variance components were highly significant (p ≤ 0.001). Narrow-sense heritability estimates for weevil severity, storage root yield, and dry matter content were 0.35, 0.36, and 0.45, respectively. Parental genotypes with superior GCA for weevil resistance included “Mugande,” NASPOT 5, “Dimbuka-bukulula,” and “Wagabolige.” On the other hand, families that displayed the highest levels of resistance to weevils included “Wagabolige” × NASPOT 10 O, NASPOT 5 × “Dimbuka-bukulula,” “Mugande” × “Dimbuka-bukulula,” and NASPOT 11 × NASPOT 7. The moderate levels of narrow-sense heritability observed for the traits, coupled with the significant GCA and SCA effects, suggest that there is potential for their improvement through conventional breeding via hybridization and progeny selection and advancement. Although selection for weevil resistance may, to some extent, be challenging for breeders, efforts could be boosted through applying genomics-assisted breeding. Superior parents and families identified through this study could be deployed in further research involving the genetic improvement of these traits.
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title_short	Combining ability and heritability analysis of sweetpotato weevil resistance, root yield, and dry matter content in sweetpotato
url	https://doi.org/10.3389/fpls.2022.956936 https://doaj.org/article/7974143ba03e4c7d99e7d2d31b0c6cd2 https://www.frontiersin.org/articles/10.3389/fpls.2022.956936/full https://doaj.org/toc/1664-462X
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author2	Immaculate Mugisa Jeninah Karungi Paul Musana Roy Odama Agnes Alajo Doreen M. Chelangat Milton O. Anyanga Bonny M. Oloka Iara Gonçalves dos Santos Herbert Talwana Mildred Ochwo-Ssemakula Richard Edema Paul Gibson Reuben Ssali Hugo Campos Bode A. Olukolu Guilherme da Silva Pereira Craig Yencho Benard Yada
author2Str	Immaculate Mugisa Jeninah Karungi Paul Musana Roy Odama Agnes Alajo Doreen M. Chelangat Milton O. Anyanga Bonny M. Oloka Iara Gonçalves dos Santos Herbert Talwana Mildred Ochwo-Ssemakula Richard Edema Paul Gibson Reuben Ssali Hugo Campos Bode A. Olukolu Guilherme da Silva Pereira Craig Yencho Benard Yada
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up_date	2024-07-03T23:42:35.184Z
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Combining ability and heritability analysis of sweetpotato weevil resistance, root yield, and dry matter content in sweetpotato

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