Final answer:
Grafting does not produce hybrids; it is a technique that combines traits of different plants but does not change their genetic makeup. Hybrids are created through breeding, while grafting retains the original genetics of the grafted parts.
Step-by-step explanation:
Grafting is a horticultural technique used for various purposes in agriculture, including disease resistance, bypassing the juvenile phase, and changing the variety of plants, but it does not produce hybrids. Hybrids are typically created through the breeding of two distinct parent plants, combining their genetic material. Grafting involves attaching a section of one plant to another, resulting in a combination of different plant traits, such as a good root system with an effective shoot system, but the genetic makeup of the grafted parts remains unchanged.
Genomics in agriculture, however, can be used to generate new hybrid strains, improve disease resistance, and improve yield, by manipulating the plant's genetic material directly. This biotechnological approach allows for more specific modifications than traditional methods like grafting or conventional breeding.