Turfgrass CDE Mock Contest #1

Many fungal disease problems surface during periods of __________________________________________.

• cool temperatures and high humidity
• cool temperatures and low humidity
• warm temperatures and high humidity
• warm temperatures and low humidity

A horticulturist has identified evidence of insects devouring the leaves of a tree along with a number of gypsy moth larvae. What would be the most effective means of control?

• a contact insecticide
• a respiratory insecticide
• a stomach insecticide
• a systemic insecticide

What are the two most important characteristics of turfgrasses selected for athletic fields?

• bunch - type growth and rapid seed germination
• disease resistance and tolerant to low cutting heights
• good wear tolerance and recuperative abilities
• heat tolerance and adaptable to many soil types

What part of a pesticide kills the pest

• inert ingredients
• the fluid
• active ingredient
• the icide

What is the supplying of water to land through artificial means?

• sprinkling
• irrigation
• evapotranspiration
• natural rainfall

What is the the function of a backflow prevention device?

• It ensures a steady flow rate.
• It keeps the irrigation system safe from dirty water.
• It prevents contamination of drinking water by not allowing the irrigation water to flow backward into the water supply.
• It regulates the recycling of water in ornamental pools.

When should cool - season turfgrass lawns be fertilized?

• fall and summer
• spring and fall
• summer and winter
• winter and spring

Why is the middle of a football field 12 to 18 inches higher than the perimeter?

• for better viewing
• for improved footing
• for natural drainage
• for traffic resistance

What are the base paths and warning tracks of baseball and softball fields that lack turfgrass called?

• border zones
• maintained pathways
• natural areas
• skinned areas

What is the causal agent of most common turfgrass diseases?

• viruses
• bacteria
• fungi
• mycorrhizae