Plant Pests: Weeds

What are the three main types of use for herbicides?

• A. Agronomic, ecological, economic

• B. Agronomic, ecological, environmental

• C. Agronomic, environmental, economic

• D. Environmental, economic, ecological

For which of the following resources do weeds NOT compete with desirable

plants?

• A.Space

• B.Water

• C. Pollen

• D.Sunlight

Which type of plant usually has a deep root system?

• A. Perennial

• B.Annual

Which other plant is in the same family as bitterweed?

• A. Sunflower

• B. Canadian thistle

Which plant is commonly found in vineyards?

• A. Bermuda grass

• B.Bitterweed

• C. Black Nightshade

• D. Broadleaf plantain

What is the average rainfall needed for broomsedge bluestem to grow?

• A. 25 in.

• B. 15 in.

• C. 35 in.

• D. 10 in.

Which plant is used as a popular ornamental tree?

• A.Sunflower

• B.Bitterweed

• C. Bull thistle

• D. Chinese tallow

Roundup®

is the common brand name for which herbicide?

• A. Glyphosate

• B.Oryzalin

Dewberry plants have a fruit similar to which plant?

• A.Strawberry

• B.Blueberry

• C.Hackberry

• D. Blackberry

Which is NOT a characteristic of oxalis?

• A.Biennial

• B. Grown as an ornamental plant