Weed Management Options

Question 1

Methods for aquatic pest prevention

Answer 1

Education and outreach
Nutrient Management
Aeration
Bacterial Augmentation
Designing new deeper lakes and ponds

Question 2

Methods for cultural control

Answer 2

Drawdown
Reducing light penetration (dyes, bottom screens)
Eliminating shallow areas

Question 3

Methods for biological control

Answer 3

Triploid grass carp introduction
Purple loosestrife beetle introduction
Alligatorweed flea beetle
Water hyacinth borer beetle

Question 4

Manual control methods

Answer 4

Hand pulling
Raking
Dragging

Question 5

Mechanical control methods

Answer 5

Dredging or draglining

Weed cutters and harvesters

Question 6

Chemical control methods

Answer 6

Herbicides

Algaecides

Question 7

Eutrophication

Answer 7

Process where organic matter settles on the bottom of water body and decays. This restlessness nutrients that stimulate plant and algae growth.

Question 8

Benthic Barrier

Answer 8

Black plastic, landscape fabric, or other solid material that blocks light. Best when used in small areas.

Question 9

4 aquatic plants that should be reported to VDGIF and VCE

Answer 9

Brazilian Elodea
Hydrilla
Eurasian Watermillfoil
Purple Loosestrife

Question 10

Triploid Grass Carp

Answer 10

A biological control method that is very effective at reducing hydrilla in an area. Requires permit prior to introduction.