Improving Pest and Herbicide Resistance in Rice
Author Information
Author(s): Li Zhen, Liu Xu, Zhang Hua, Li Pingbo, Yao Fangyin
Primary Institution: Institute of Wetland Agriculture and Ecology, Shandong Academy of Agricultural Sciences, Jinan, China
Hypothesis
Can Sanming dominant genic male sterile rice be used to enhance resistance to lepidopteran pests and herbicides in japonica rice varieties?
Conclusion
The developed japonica rice lines showed high resistance to both lepidopteran pests and the herbicide imazethapyr, while maintaining similar agronomic traits to their parent varieties.
Supporting Evidence
- All 12 developed rice lines exhibited high resistance to lepidopteran pests and the herbicide imazethapyr.
- The major agronomic traits of the developed lines showed no significant differences compared to their parent varieties.
- The use of S-DGMS rice simplified the breeding process and reduced the need for hand emasculation.
Takeaway
Scientists created new rice plants that can fight off bugs and resist a weed killer, making it easier to grow rice without using too many chemicals.
Methodology
The study involved developing 12 novel japonica rice lines by introducing crystal toxin genes and the ALS627N allele into mainstay japonica varieties using S-DGMS rice as a breeding platform.
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website