Loss of green color in foliage followed by yellowing on the tissue.
A gas, liquid, or solid substance used to dilute, propel, or suspend a herbicide to facilitate its preparation, storage, shipment, or use. (See also Diluent.)
A substance capable of producing cancer.
Botanically classified as dicotyledons. Plants have two cotyledon leaves in the seedling stage; true leaves are mostly broad and have netlike or reticulate veins.
An application of spray over an entire area or field rather than only on rows, beds, middles, or individual plants.
The qualitative or quantitative determination of the presence of a substance by response measurements of treated living organisms, as compared to measurements on the same untreated, check, or standard living organism.
A plant that completes its life cycle in 2 years. The first year it produces leaves and stores food. The second year it
blossoms and produces fruits and seeds. Examples include wild carrot, common mullein, bull thistle, and burdock.
Narrow shelf, typically along the water's edge of canals formed by deposited silt.
An application to the stems of plants at and just above ground line.
An application to a continuous restricted area, such as in, on, or along a crop row rather than over the entire field.
