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Identification of quantitative trait loci associated with sorghum susceptibility to Asian stem borer damage
Osinde, Cyprian Sakamoto, Wataru Kajiya-Kanegae, Hiromi Sobhy, Islam S. Tugume, Arthur K. Nsubuga, Anthony M. Galis, Ivan
Osinde, Cyprian
Sakamoto, Wataru
Kajiya-Kanegae, Hiromi
Sobhy, Islam S.
Tugume, Arthur K.
Nsubuga, Anthony M.
Galis, Ivan
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2022-12-29
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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.
Citation
Osinde, C., Sakamoto, W., Kajiya-Kanegae, H., Sobhy, I. S., Tugume, A. K., Nsubuga, A. M., & Galis, I. (2023). Identification of quantitative trait loci associated with sorghum susceptibility to Asian stem borer damage. Journal of Plant Interactions, 18(1), article-number 2153182. https://doi.org/10.1080/17429145.2022.2153182
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Taylor & Francis
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Journal of Plant Interactions
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Article
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en
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© 2022 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group.
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1742-9145
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1742-9153
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This work was supported by Japanese Ministry of Education Culture, Sports, Science and Technology (MEXT) and Japan Society for Promotion of Science (JSPS) in Japan.