Floriculture - Quiz 3

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

• Vernalization

• Photosynthesis

• Germination

• Transpiration

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

• pseudobulb

• rhizome

• corm

• tuber

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

• Hand watering

• Subirrigation

• 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.

Match the following soilless media component to its correct definition: A lightweight material made of small pieces of mica that readily absorbs water.

• Peat Moss

• Sphagnum Moss

• Perlite

• Vermiculite

Match the following soilless media component to its correct definition: A very lightweight pea-sized rock that increases drainage and comes from volcanoes.

• Peat Moss

• Sphagnum Moss

• Perlite

• Vermiculite

Match the following soilless media component to its correct definition: A brown, water holding material harvested from bogs that is made from aged, decomposed plant and animal matter.

• Peat Moss

• Sphagnum Moss

• Perlite

• Vermiculite

Match the following soilless media component to its correct definition: 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 Figure 1, determine the soil structure of a soil that is 30% clay, 40% sand and 30% silt.

• clay

• sandy clay loam

• loam

• clay loam