Aquatic Weed Managment

Question 1

Proper pond site selection and construction, fertilization and periodic draw downs are examples of what type of control method?

Answer 1

Preventative

Question 2

___ are primary movers of aquatic weeds.

Answer 2

People

Question 3

This is an effective weed control method, but it is expensive and usually needs to be repeated every 3 to 4 years.

Answer 3

Draglining

Question 4

In Texas, only ___ grass carp are legal and a permit from the TPWD is required before they can be purchased from a certified dealer.

Answer 4

Triploid

Question 5

The best time to apply herbicide is in the spring when water temperatures is between ___ and ___ degrees F.

Answer 5

70 and 80

Question 6

Surfactants are recommended when treating for submerged weeds.
True or False

Answer 6

False

Question 7

Some herbicides, such as those for controlling emergent plants, are applied on the basis of ___.

Answer 7

The area to be treated

Question 8

This herbicide binds tightly to clay particles and is not effective in muddy water or on mud coated weeds.

Answer 8

Diquat

Question 9

___ is a foliar applied, translocated herbicide used to control most shoreline vegetation and several emergent weeds such as spatterdock and alligator weed.

Answer 9

Glyphosate

Question 10

This translocation, slow acting herbicide is not effective as a spot treatment; therefore ,the entire pond must be treated.

Answer 10

Fluridone