TEXAS DEPARTMENT OF AGRICULTURE
COMMERCIAL REGULATIONS CORE LEGAL
REQUIREMENTS REVIEW 2026
◉ License use category.
Answer: classification of pesticide use based on the subject, method,
or place of pesticide application
◉ Nematode.
Answer: invertebrate animal of the phylum Nemathelminthes and
class Nematoda (an unsegmented roundworm with an elongated,
fusiform, or sac-like body covered with cuticle) inhabiting soil,
water, plants, or plant parts
◉ Pesticide.
Answer: substance or mixture of substances intended to prevent,
destroy, repel, or mitigate any pest, or any substance or mixture of
substances intended for use as a plant regulator, defoliant, or
desiccant
◉ Plant regulator.
Answer: substance or mixture of substances intended through
physiological action to accelerate or retard the rate of growth or rate
,of maturation, or otherwise to alter the behavior of an ornamental
or crop plant or the product of an ornamental or crop plant, but does
not include a substance to the extent that it is intended as a plant
nutrient, trace element, nutritional chemical, plant inoculant, or soil
amendment
◉ Registrant.
Answer: person who has registered a pesticide under this chapter
◉ Regulatory agency.
Answer: state agency with responsibility for certifying applicators
under Subchapter E of this chapter
◉ Restricted-use pesticide.
Answer: pesticide classified as a restricted-use pesticide by the
Environmental Protection Agency
◉ Thallophyte.
Answer: non-chlorophyll-bearing plant of a lower order than mosses
and liverworts
◉ Weed.
Answer: any plant that grows where not wanted
, ◉ Worker protection standard.
Answer: federal worker protection standard as found in the Code of
Federal Regulations
◉ Adjoining.
Answer: directly contiguous to a field on which pesticides may be
applied or which is separated from a field only by a road, railway, or
utility right-of-way, or by a government-owned land corridor or
waterway having a width of not more than 100 feet
◉ Agricultural commodity.
Answer: plant or animal grown for sale, lease, barter, feed, or human
consumption and animals raised for farm or ranch work
◉ Application.
Answer: placing of a pesticide on a plant, animal, building, or soil; or
its release into the air or water to prevent or destroy pests
◉ Commissioner.
Answer: commissioner of agriculture of the State of Texas, or the
comissioner's designee
◉ CEU.
Answer: continuing education unit
COMMERCIAL REGULATIONS CORE LEGAL
REQUIREMENTS REVIEW 2026
◉ License use category.
Answer: classification of pesticide use based on the subject, method,
or place of pesticide application
◉ Nematode.
Answer: invertebrate animal of the phylum Nemathelminthes and
class Nematoda (an unsegmented roundworm with an elongated,
fusiform, or sac-like body covered with cuticle) inhabiting soil,
water, plants, or plant parts
◉ Pesticide.
Answer: substance or mixture of substances intended to prevent,
destroy, repel, or mitigate any pest, or any substance or mixture of
substances intended for use as a plant regulator, defoliant, or
desiccant
◉ Plant regulator.
Answer: substance or mixture of substances intended through
physiological action to accelerate or retard the rate of growth or rate
,of maturation, or otherwise to alter the behavior of an ornamental
or crop plant or the product of an ornamental or crop plant, but does
not include a substance to the extent that it is intended as a plant
nutrient, trace element, nutritional chemical, plant inoculant, or soil
amendment
◉ Registrant.
Answer: person who has registered a pesticide under this chapter
◉ Regulatory agency.
Answer: state agency with responsibility for certifying applicators
under Subchapter E of this chapter
◉ Restricted-use pesticide.
Answer: pesticide classified as a restricted-use pesticide by the
Environmental Protection Agency
◉ Thallophyte.
Answer: non-chlorophyll-bearing plant of a lower order than mosses
and liverworts
◉ Weed.
Answer: any plant that grows where not wanted
, ◉ Worker protection standard.
Answer: federal worker protection standard as found in the Code of
Federal Regulations
◉ Adjoining.
Answer: directly contiguous to a field on which pesticides may be
applied or which is separated from a field only by a road, railway, or
utility right-of-way, or by a government-owned land corridor or
waterway having a width of not more than 100 feet
◉ Agricultural commodity.
Answer: plant or animal grown for sale, lease, barter, feed, or human
consumption and animals raised for farm or ranch work
◉ Application.
Answer: placing of a pesticide on a plant, animal, building, or soil; or
its release into the air or water to prevent or destroy pests
◉ Commissioner.
Answer: commissioner of agriculture of the State of Texas, or the
comissioner's designee
◉ CEU.
Answer: continuing education unit
