Honors Greenhouse maintenance and problems

Before being transplanted, seedlings should:

• be disbudded.

• be 6" tall.

• have flowers.

• have true leaves.

The list of things to inspect for needed maintenance of greenhouse equipment and controls includes:

• cover, foundation, and frame.

• heaters, thermostats, and timers.

• plastic, fiberglass, or glass covering.

• water, electricity, and fuel.

Which flowers have long stalks or spikes with florets?

• Amaryllis and zinnia

• Ginkgo and croton

• Peony and fuchsia

• Snapdragon and gladiolus

Tall and spindly growth in bedding plants is caused by:

• insects

• lack of nutrients.

• too much shade.

• insufficient watering.

When seedlings are transplanted in new containers from flats, they should be planted:

• much deeper.

• not as deep.

• at the same depth.

• slightly deeper

If Taylor installs a thermostat to get the most accurate readings in his greenhouse, he should ensure it is hung at:

• ground level.

• one foot above ground level.

• plant level.

• six feet above ground level.

The expanded volcanic rock that Corky noticed in his potting soil is most likely:

• bark.

• peat moss.

• vermiculite.

• perlite

To prevent breaking roots and stems of seedlings when they are transplanted, a plant label may be used to:

• increase water absorption.

• loosen media.

• reduce fertility.

• reduce water absorption.

Which environmental control should Joe use to cause lights to automatically turn on and off at certain times?

• Carbon dioxide meter

• Sterilizer

• Thermostat

• Timer

When bedding plants have lower leaves that are brown, dry, and rotting, the problem is:

• diseases

• germination.

• insects.

• spindly growth.