Definition - What does Shoot mean?
The “Shoot” of any plant refers to the system of interconnected above ground parts. It may include the immature growth that emerges from the seed, or any or all of the permanent, mature portions of the plant. The shoot includes any of the trunk, branches, stems, leaves, flowers, and fruit (in the case of fruit-bearing plants). Though, an oversimplification of the complexity of plant systems, it can be said that the two living systems of most plants are the shoot system and the root system; covering all of the above ground functions of the plant and all of the below ground functions of the plant respectively.
MaximumYield explains Shoot
Shoots may be short or long-lived. The shoots of annual plants develop and senesce over the course of a single growing season and do not grow back (though new ones may grow back from seed dropped the previous season). The shoots of herbaceous perennials develop at the beginning of the growing season and die at the end of the growing season, but grow back at the beginning of the following year’s growing season. On most trees and shrubs, the only portion of the shoot system that dies are the leaves, and sometimes stems, but the trunks and branches remain intact over the dormant season.