Improving resistance to lepidopteran pests and herbicide using Sanming dominant genic male sterile rice (<i>Oryza sativa</i> L.).

ABSTRACT: In order to improve both resistance to lepidopteran pests and resistance to the herbicide imazethapyr in mainstay japonica varieties of the Huang-Huai rice region, Sanming dominant genic male sterile (S-DGMS) rice was used as a platform to facilitate the pyramiding of functional genes and the replacement of the genomic background. Twelve novel lines were developed, each carrying a crystal toxin gene conferring resistance to lepidopteran pests and the ALS^627N allele conferring resistance to herbicide imazethapyr in the background of a mainstay japonica variety. The genomic background of the 12 novel lines was examined using 48 specified molecular markers, and each line carried less than two polymorphic markers relative to the corresponding mainstay variety. A

SUBMITTER: Li Z 

PROVIDER: S-EPMC11693452 | biostudies-literature | 2024

REPOSITORIES: biostudies-literature