Weed Management Handbook

Bolt-A seedstalk forms following development of rosette.

Cereals-

A substance used to improve the wetting, spreading, or possibly the adhesive properties of a herbicide spray solution.

The movement of airborne spray particles from the intended contact area to other areas.

Application of sprays to localized or restricted areas.

A liquid such as water or oil used to dissolve other mate- rial such as herbicides.

The amount of a substance that will dissolve in a given amount of liquid.

A dry herbicide formulation that is soluble in the carrier liquid.

A herbicide that prevents the growth of plants when present in the soil. Soil residual effects may be temporary or relatively permanent.

Length of time that a herbicide application on or in soil remains effective.

Placement of the herbicide in a discrete horizontal zone under a lifted or tilled layer of soil.