State twenty research topics on plant breeding in yellow maize improvement?

1. Developing high-yielding yellow maize varieties
2. Enhancing disease resistance in yellow maize
3. Improving drought tolerance in yellow maize
4. Increasing nutritional content in yellow maize
5. Enhancing insect resistance in yellow maize
6. Developing yellow maize varieties with improved stress tolerance
7. Investigating the genetic basis of yellow maize traits
8. Enhancing yellow maize grain quality
9. Developing yellow maize varieties with improved agronomic traits
10. Investigating the impact of climate change on yellow maize production
11. Enhancing yellow maize seed production techniques
12. Investigating the role of epigenetics in yellow maize improvement
13. Developing yellow maize varieties with improved shelf life
14. Investigating the impact of biotic and abiotic stresses on yellow maize
15. Enhancing yellow maize breeding techniques
16. Investigating the potential of hybridization in yellow maize improvement
17. Developing yellow maize varieties with improved resistance to herbicides
18. Investigating the role of molecular markers in yellow maize breeding
19. Enhancing yellow maize varieties for specific end-uses
20. Investigating the impact of genetic engineering on yellow maize improvement.