Transpiration means water movement from roots through leaves into the air in practical plant language.. . Transpiration is most useful when it is tied to the exact plant part, season, cultivar, and growing conditions being described.

Tree Training means guiding tree structure through pruning and support in practical plant language.. . Tree Training is most useful when it is tied to the exact plant part, season, cultivar, and growing conditions being described.

Trial Planting refers to a planting used to evaluate performance.. . Trial Planting is most useful when it is tied to the exact plant part, season, cultivar, and growing conditions being described.

Trichome refers to a hair-like outgrowth from the plant epidermis.. . Trichome is most useful when it is tied to the exact plant part, season, cultivar, and growing conditions being described.

Trifera means bearing three crops. In fig terminology it may be used for figs reported to produce breba, main crop, and an additional late or overlapping crop under favorable conditions. The term should be handled carefully because crop count can depend on climate, pruning, tree age, and how growers define crop waves. A trifera claim in one region does not guarantee three reliable harvests everywhere.

True-to-Type means matching the expected traits of the named cultivar in practical plant language.. . True-to-Type is most useful when it is tied to the exact plant part, season, cultivar, and growing conditions being described.

In horticulture, Turgor Pressure describes internal water pressure that keeps plant tissue firm.. . Turgor Pressure is most useful when it is tied to the exact plant part, season, cultivar, and growing conditions being described.