Many cultivated plants (wheat, oats, sugar beets) have high yields and resistance to adverse factors

Many cultivated plants (wheat, oats, sugar beets) have high yields and resistance to adverse factors. What kind of mutations are these phenomena associated with? How can we explain the improvement in the quality of vegetative organs and the increase in the productivity of organisms?

Polyploidy (from the Greek. Polyploos – multiple and eidos – type) is a hereditary change consisting in a multiple increase in the number of sets of chromosomes in the cells of the body. Widespread in plants (most cultivated plants are polyploids.