State Floriculture CDE 2021-2022

___________ is exposure of plants to low temperatures to stimulate flowering.

• . Vernalization

• Thermalization

• Hardening Off

• Thermotropism

Many orchid species will develop a swollen, fleshy stem, structure called a ______________.

• pseudocorm

• pseudotuber

• pseudobulb

• pseudorhizome

Which watering system is considered to be the most inefficient use of labor?

• Hand watering

• Sub irrigation

• Drip irrigation

• Boom irrigation

Which irrigation is also called zero runoff irrigation?

• Hand watering

• Subirrigation

• Drip irrigation

• Boom irrigation

Which of the following is NOT true regarding advantages of tissue culture/micropropagation?

• The ability to grow a large number of plants in a small space.

• The ability to produce pest free plants.

• The low cost of labor and equipment.

• The uniformity of clones produced.

A lightweight material made of small pieces of mica that readily absorbs water.

• Peat Moss

• Sphagnum Moss

• Perlite

• Vermiculite

A very lightweight pea-sized rock that increases drainages and comes from volcanos.

• Peat Moss

• Sphagnum Moss

• Perlite

• Vermiculite

A brown, water-holding material harvested from bogs that is made from aged, decomposed plant and animal matter.

• Peat Moss

• Sphagnum Moss

• Perlite

• Vermiculite

A once living moss that comes from bogs and is harvested, dehydrated, and often compressed used to hold moisture and provide space for plant roots.

• Peat Moss

• Sphagnum Moss

• Perlite

• Vermiculite

Using the image, determine the soil structure of a soil that is 30% clay, 40% sand and 30% silt

• Clay

• Sandy clay loam

• Loam

• Clay loam