151-175 Nursery Questions

The 'puff balls´ found on dandelions that are easily blown away by the wind, are actually:

• Seeds

• Sepals

• Anthers

• Spores

Which of the following is a drawback to planting English Ivy or Virginia Creeper on the side of a wood, brick, or vinyl-sided house?

• the adhesive tips of the ivy damage the siding or leave unsightly blemishes

• it is difficult to prune ivy on siding

• these plants are groundcovers and are hard to train on walls

• the leaves turn brown in the fall and are unsightly

When pruning cuts are made on woody trees, one should not cut into or behind the _________. This area is where healing callus originates.

• internode

• interstitial

• collar

• axil

If a house is painted in several colors you might be worried about the colors of the house and the plant flower color clashing. One flower choice that would be safest to use is

• Red

• White

• Pink

• Blue

Which of the following is a disadvantage of using a time clock to control an irrigation system?

• Time clocks are very expensive

• The plants are watered at set times, whether they need watering or not.

• Time clocks are difficult to set.

• When there is a power outage, the irrigation system runs continuously.

A privacy fence should be at least ____ feet high if the purpose is to screen the view of neighbors at ground level or others walking near the property at the same elevation.

• 8

• 6

• 5

• 4

Once they are beneath the bark surface,____________ are difficult to control.

• Borers

• Thrips

• Mealybugs

• Aphids

A color scheme in a garden that produces a carnival-like effect is referred to as being:

• Monochromatic

• Polychromatic

• Analogous

• Complementary

When taking a soil sample, be sure to take cores at least _______ inches deep.

• 14

• 6

• 3

• 2

To preserve the germination ability of most seeds, store them in a:

• Warm, dry environment

• Cool, dry environment

• Cool environment after scarification

• Warm, moist environment after stratification