Nursery-Landscape CDE Test Bank Vocabulary Flashcards

Flashcards covering key vocabulary terms, plant processes, and horticultural definitions from the Nursery-Landscape CDE Test Bank.

Native plants

Plants which evolve and grow naturally in an area.

Auxin

A naturally occurring plant hormone which promotes plant growth.

Dioecious

A plant that produces flowers that have either stamens or pistils, but not on the same plant.

Cotyledon

The halves or portions of a seed that contain the storage tissue used by the seedling in its early growth.

Gymnosperms

Trees that produce naked seeds not enclosed in ovaries, such as pines and spruces.

Phototropism

The tendency of plants to grow towards light sources.

Floriculture

The science and practice of growing and harvesting flowering plants.

Leaching

The process of washing out high salts in the soil.

Grower

The person who is responsible for carrying out the physical work involved in producing a greenhouse crop.

Forcing

Growing plants out of their normal season by use of an artificial environment.

Hydroponics

A system for growing plants with the roots supplied with nutrients in a dilute fertilizer solution.

Hardening off (Toning)

The process of slowing seedling growth by withholding water and lowering ground temperature to prepare seedlings for transplanting shock.

Week group

The term used to refer to the number of weeks from the time short days are started until the date of flowering of chrysanthemums.

Wilting

The term used to describe plants that are NOT turgid.

Vegetative growth

Plant growth promoted in bedding plants by heavy Nitrogen applications.

Floral initiation

Development caused in potted bedding plants by heavy phosphorus applications.

Sphagnum peat moss

A material used in growing mixes for container nursery stock primarily because it gives good aeration and holds high moisture.

Scalp

Damage occurring in spots to turf when the mower blade is set too low and the turf is not level.

Damping-off

A dreadful fungus disease capable of quickly destroying seedling plants in the early stage of germination.

Lath house

A nursery structure used for providing partial shade to plants.

Liner

A nursery plant that is of suitable size to be planted in rows in a field, or a plant too small for landscape use but ideal for growing into a larger size.

Contour plowing

Plowing done across the slope to control erosion.

Azaleas

Landscape plants that grow best in acidic soil with a recommended pH range of 4.5-5.5.

Root-bound

A condition occurring when container-grown trees or plants are left in the same container for too long.