Identification of quantitative trait loci associated with sorghum susceptibility to Asian stem borer damage

Cyprian Osinde; Wataru Sakamoto; Hiromi Kajiya-Kanegae; Islam S. Sobhy; Arthur K. Tugume; Anthony M. Nsubuga; Ivan Galis

doi:10.1080/17429145.2022.2153182

Identification of quantitative trait loci associated with sorghum susceptibility to Asian stem borer damage

Cyprian Osinde, Wataru Sakamoto, Hiromi Kajiya-Kanegae, Islam S. Sobhy, Arthur K. Tugume, Anthony M. Nsubuga, Ivan Galis

Institute of Plant Science and Resources

Research output: Contribution to journal › Article › peer-review

Abstract

Sorghum (Sorghum bicolor (L.) Moench) is an important crop originated in Africa that shows susceptibility to herbivores. In this study, we identified two sorghum genotypes with highly contrasting levels of stem damage caused by the caterpillars of Asian stem borer (Ostrinia furnacalis Guenée). Recombinant inbred lines (RILs) from genetic cross between resistant (BTx623) and susceptible (NOG) sorghum were used to perform a quantitative trait locus (QTL) analysis in the field. Two major QTLs responsible for higher NOG infestation by stem borer in three independent field seasons were detected on chromosomes 7 and 9, interestingly in positions that overlapped with two major QTLs for plant height. As plant height and stem borer damage were highly correlated, we propose that sorghum height-associated morphological or physiological traits could be important for stem borer establishment and/or damage in sorghum.

Original language	English
Article number	2153182
Journal	Journal of Plant Interactions
Volume	18
Issue number	1
DOIs	https://doi.org/10.1080/17429145.2022.2153182
Publication status	Published - 2023

Keywords

BTx623 and NOG
herbivory
Quantitative trait locus (QTL)
recombinant inbred lines (RILs)
sorghum
stem borer

ASJC Scopus subject areas

Ecology, Evolution, Behavior and Systematics
Plant Science

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10.1080/17429145.2022.2153182

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title = "Identification of quantitative trait loci associated with sorghum susceptibility to Asian stem borer damage",

abstract = "Sorghum (Sorghum bicolor (L.) Moench) is an important crop originated in Africa that shows susceptibility to herbivores. In this study, we identified two sorghum genotypes with highly contrasting levels of stem damage caused by the caterpillars of Asian stem borer (Ostrinia furnacalis Guen{\'e}e). Recombinant inbred lines (RILs) from genetic cross between resistant (BTx623) and susceptible (NOG) sorghum were used to perform a quantitative trait locus (QTL) analysis in the field. Two major QTLs responsible for higher NOG infestation by stem borer in three independent field seasons were detected on chromosomes 7 and 9, interestingly in positions that overlapped with two major QTLs for plant height. As plant height and stem borer damage were highly correlated, we propose that sorghum height-associated morphological or physiological traits could be important for stem borer establishment and/or damage in sorghum.",

keywords = "BTx623 and NOG, herbivory, Quantitative trait locus (QTL), recombinant inbred lines (RILs), sorghum, stem borer",

author = "Cyprian Osinde and Wataru Sakamoto and Hiromi Kajiya-Kanegae and Sobhy, {Islam S.} and Tugume, {Arthur K.} and Nsubuga, {Anthony M.} and Ivan Galis",

note = "Funding Information: We thank to Japan Society for Promotion of Science (JSPS) for funding of CO travels to Japan under auspices of the Africa-Asia Science platform program; Fiona Wacera and Makoto Ishii (Institute of Plant Sciences and Resources) for help with statistical analyses and field preparation, respectively; members of the Plant-Insect Interaction (PII) Group for invaluable support during field work. This study was supported by MEXT Joint Research Program implemented at Okayama University Institute of Plant Science and Resources. Publisher Copyright: {\textcopyright} 2022 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group.",

year = "2023",

doi = "10.1080/17429145.2022.2153182",

language = "English",

volume = "18",

journal = "Journal of Plant Interactions",

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AU - Osinde, Cyprian

AU - Sakamoto, Wataru

AU - Kajiya-Kanegae, Hiromi

AU - Sobhy, Islam S.

AU - Tugume, Arthur K.

AU - Nsubuga, Anthony M.

AU - Galis, Ivan

N1 - Funding Information: We thank to Japan Society for Promotion of Science (JSPS) for funding of CO travels to Japan under auspices of the Africa-Asia Science platform program; Fiona Wacera and Makoto Ishii (Institute of Plant Sciences and Resources) for help with statistical analyses and field preparation, respectively; members of the Plant-Insect Interaction (PII) Group for invaluable support during field work. This study was supported by MEXT Joint Research Program implemented at Okayama University Institute of Plant Science and Resources. Publisher Copyright: © 2022 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group.

PY - 2023

Y1 - 2023

N2 - Sorghum (Sorghum bicolor (L.) Moench) is an important crop originated in Africa that shows susceptibility to herbivores. In this study, we identified two sorghum genotypes with highly contrasting levels of stem damage caused by the caterpillars of Asian stem borer (Ostrinia furnacalis Guenée). Recombinant inbred lines (RILs) from genetic cross between resistant (BTx623) and susceptible (NOG) sorghum were used to perform a quantitative trait locus (QTL) analysis in the field. Two major QTLs responsible for higher NOG infestation by stem borer in three independent field seasons were detected on chromosomes 7 and 9, interestingly in positions that overlapped with two major QTLs for plant height. As plant height and stem borer damage were highly correlated, we propose that sorghum height-associated morphological or physiological traits could be important for stem borer establishment and/or damage in sorghum.

AB - Sorghum (Sorghum bicolor (L.) Moench) is an important crop originated in Africa that shows susceptibility to herbivores. In this study, we identified two sorghum genotypes with highly contrasting levels of stem damage caused by the caterpillars of Asian stem borer (Ostrinia furnacalis Guenée). Recombinant inbred lines (RILs) from genetic cross between resistant (BTx623) and susceptible (NOG) sorghum were used to perform a quantitative trait locus (QTL) analysis in the field. Two major QTLs responsible for higher NOG infestation by stem borer in three independent field seasons were detected on chromosomes 7 and 9, interestingly in positions that overlapped with two major QTLs for plant height. As plant height and stem borer damage were highly correlated, we propose that sorghum height-associated morphological or physiological traits could be important for stem borer establishment and/or damage in sorghum.

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KW - herbivory

KW - Quantitative trait locus (QTL)

KW - recombinant inbred lines (RILs)

KW - sorghum

KW - stem borer

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Identification of quantitative trait loci associated with sorghum susceptibility to Asian stem borer damage

Abstract

Keywords

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