IOWA 3OT SEC III CH V ASSESMENT
EXAMS WITH CORRECT QUESTIONS
AND ANSWERS.
Distinguish between grass, broadleaf, and sedge weed pests in turfgrass. - CORRECT
ANSWERS✔️✔️True grasses have jointed hollow stems. Leaf blades have parallel veins. Crabgrass and
quackgrass are common grass weeds.
Broadleaf weeds have showy flowers and leaf has a network of veins originating for a central vein.
Dandelion, knotweed, and plantains.
Sedges are grass like with three cornered stems that form a triangle. Leaves extend in three directions.
Yellow nutsedge.
Differentiate annual, biennial, and perennial weed life cycles. - CORRECT ANSWERS✔️✔️Annual weed
begins each year as a seed, produces flowers, then dies. Most start in spring and are complete by
summer.
Biennial weeds require 2 years to complete its life cycle. First year the plant forms a rosette and a large
root system, the second year it flowers and dies.
Perennial weeds live for more than 2 years. They may die back to ground level and reemerge. Can
reproduce many times in a life cycle.
Name a common weed for each of the following: (1)Annual grass weed, (2)perennial grass weed, (3)hard
to control weed, (4)biennial broadleaf weed, (5)perennial broadleaf weed, (6)sedge, (7)winter annual,
(8)summer annual, (9)other turfgrass weeds. - CORRECT ANSWERS✔️✔️(1)Annual Bluegrass,
Barnyardgrass, Downy Brome. (2)Bermudagrass, Orchardgrass, Quackgrass. (3)Blue Violet, Ground Ivy,
Quackgrass. (4)Bull Thistle, Common Mallow. (5)Buckhorn Plantain, Canada Thistle, Chicory. (6)Yellow
Nutsedge. (7)Common CHickweed, Corn Speedwell, Henbit. (8)Prostrate Knotweed, Common Mallow,
Black Medic. (9)Wild Garlic, Wild Onion, Algae/Moss.
EXAMS WITH CORRECT QUESTIONS
AND ANSWERS.
Distinguish between grass, broadleaf, and sedge weed pests in turfgrass. - CORRECT
ANSWERS✔️✔️True grasses have jointed hollow stems. Leaf blades have parallel veins. Crabgrass and
quackgrass are common grass weeds.
Broadleaf weeds have showy flowers and leaf has a network of veins originating for a central vein.
Dandelion, knotweed, and plantains.
Sedges are grass like with three cornered stems that form a triangle. Leaves extend in three directions.
Yellow nutsedge.
Differentiate annual, biennial, and perennial weed life cycles. - CORRECT ANSWERS✔️✔️Annual weed
begins each year as a seed, produces flowers, then dies. Most start in spring and are complete by
summer.
Biennial weeds require 2 years to complete its life cycle. First year the plant forms a rosette and a large
root system, the second year it flowers and dies.
Perennial weeds live for more than 2 years. They may die back to ground level and reemerge. Can
reproduce many times in a life cycle.
Name a common weed for each of the following: (1)Annual grass weed, (2)perennial grass weed, (3)hard
to control weed, (4)biennial broadleaf weed, (5)perennial broadleaf weed, (6)sedge, (7)winter annual,
(8)summer annual, (9)other turfgrass weeds. - CORRECT ANSWERS✔️✔️(1)Annual Bluegrass,
Barnyardgrass, Downy Brome. (2)Bermudagrass, Orchardgrass, Quackgrass. (3)Blue Violet, Ground Ivy,
Quackgrass. (4)Bull Thistle, Common Mallow. (5)Buckhorn Plantain, Canada Thistle, Chicory. (6)Yellow
Nutsedge. (7)Common CHickweed, Corn Speedwell, Henbit. (8)Prostrate Knotweed, Common Mallow,
Black Medic. (9)Wild Garlic, Wild Onion, Algae/Moss.
