Revealing the challenges and prospects of Asian rice gall midge resistance in rice

S. Sathish Kumar, L. Arul, S. Manonmani, Sheela Venugopal and Jegadeesan Ramalingam
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S. Sathish Kumar: Department of Plant Biotechnology, Tamil Nadu Agricultural University, Coimbatore, India
L. Arul: Department of Plant Molecular Biology and Bioinformatics, Tamil Nadu Agricultural University, Coimbatore, India
S. Manonmani: Department of Genetics and Plant Breeding, Tamil Nadu Agricultural University, Coimbatore, India
Sheela Venugopal: Department of Agricultural Entomology, Tamil Nadu Agricultural University, Coimbatore, India

Plant Protection Science, vol. preprint

Abstract: The Asian rice gall midge (Orseolia oryzae) (Wood-Mason) is a major pest of rice, significantly reducing yields and challenging sustainable rice production. This review provides a comprehensive overview of the biology, lifecycle and geographical distribution of the rice gall midge, along with the damage symptoms it causes in rice crops. The interactions between rice and gall midge, the pest's infestation mechanism and the plant's defensive responses are also explored. Various management strategies are discussed in detail, including insecticides, cultural practices and resistant varieties. The review emphasises that breeding for resistance, especially through the pyramiding of resistance genes and integrated pest management approaches, shows the most promise for long-term control. Advances in crop improvement through breeding methods such as genotyping, phenotyping, field and greenhouse screening and the pyramiding of resistance genes are highlighted. The review emphasises the importance of monitoring virulence in gall midge populations to guide breeding efforts. The genetic basis of resistance is examined through studies of resistance genes, QTL mapping and marker-assisted breeding. Furthermore, molecular approaches, including metabolomic regulations, microarray analysis and biotechnological strategies, are reviewed for their potential in developing durable gall midge-resistant rice varieties. This article synthesises the current knowledge and highlights future research directions, such as identifying novel resistance genes, improving molecular breeding techniques, and developing integrated pest management strategies that combine genetic resistance with eco-friendly controls.

Keywords: Orseolia oryzae; rice pest management; resistance genes; host-plant resistance; marker-assisted selection; molecular breeding; integrated pest management (search for similar items in EconPapers)
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlpps:v:preprint:id:159-2024-pps

DOI: 10.17221/159/2024-PPS

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