Publications by authors named "Akito Kubota"
Festulolium is a hybrid between Festuca and Lolium species that has valuable agronomic traits from both grass species. The purpose of our breeding program is to produce hexaploid festulolium that introduces tolerance to summer depression into Italian ryegrass (Lolium multiflorum) by crossing it with tall fescue (Festuca arundinacea). However, we found the DNA ploidy of hexaploids was not stable and was reduced in successive generations.
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- The study focused on creating a diploid hybrid of festulolium, combining diploid Lolium multiflorum and hexaploid Festuca arundinacea for improved heat resistance.
- Seven diploid F(4) plants were developed that survived extreme summer temperatures, demonstrating potential tolerance to summer depression.
- Genetic analysis revealed significant chromosomal rearrangements in the hybrids, suggesting this method could be beneficial for advancing chromosome engineering in crops.