Agriculture Reference
In-Depth Information
food from the host plants. They can severely stunt and even kill the host
plants by using the host plant's water, food, and minerals. These plants re-
produce by seeds. Some can also spread from plant to plant in close stands by
vining and twining.
Figure 3.15
The common cattail is an emergent perennial weed that extends
above the water surface.
D.
CONTROLLING WEEDS
Weed control is nearly always designed to suppress a weed infestation.
Prevention and eradication are usually only attempted in regulatory weed pro-
grams.
