Search Weed Handbook

Deoxygenation Depletion of oxygen. ...

Dermal toxicity Measures the amount of a pesticide or poisonous material that can be absorbed through the skin of animals to produce toxic symptoms. ...

Desiccant Any substance or mixture of substances used to accelerate the drying of plant tissue. Foliage often is killed by contact action and seed moisture is reduced. ...

Detergent Any liquid or solid material that will remove residues from application equipment, such as dishwashing and laundry detergent. ...

Dicot (dicotyledon) A plant that has two seed leaves or cotyledons. Generally includes broadleaf plants. ...

Diluent Any liquid or solid material to dilute the technical toxicant to field strength for adequate plant coverage. ...

Directed application Precise application to a specific area or plant organ such as to a row or bed or to a specific part of the plant. ...

Dispersing agent A material that reduces the cohesive forces between similar particles. ...

Dissolve Solids that form solutions where no residue remains. ...

Dormancy State of inhibited germination of seeds or growth of plant organs. A state of suspended development. ...