Chapter 19 - Greenhouse Production #2

Front

What is a plant growth regulator?

Back

A hormone that changes plant growth rates.

Front

What are day-neutral plants?

Back

Plants that will flower regardless of the day length.

Front

What are unrooted cuttings?

Back

Tips of stems that have been removed (cut) from the plant.

Front

What is heat stress in plants?

Back

A condition that can lead to lack of growth due to excessive heat.

Front

What is cold stress in plants?

Back

A condition that can lead to poor root growth due to low temperatures.

Front

What is the role of bio-stimulants in plant growth?

Back

Substances that enhance plant growth and development.

Front

Define osmosis in the context of plant biology.

Back

The movement of water across a semi-permeable membrane from a region of lower solute concentration to a region of higher solute concentration.

Front

What are the effects of both heat and cold stress on plants?

Back

Both can lead to lack of growth and other physiological issues.

Front

What is the significance of root growth in plants?

Back

Root growth is essential for nutrient uptake, water absorption, and overall plant stability.

Front

What are plugs in horticulture?

Back

Small plants that are grown in a plug tray, often used for transplanting.