Here are commonly used terms in the landscape industry.
Familiarizing yourself with these terms will help you
communicate more easily.
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The amount of damage
to the aesthetics of a planting which will justify the cost of applied
control measures. |
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Plants that live less than 12 months.
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The amount of
pesticide product applied to a given area. |
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Those insects which
are useful or helpful to people (e.g., predators and parasites of
pests). |
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Plants that live for
2 growing seasons. |
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The purposeful
manipulation of natural enemies to reduce pest populations. |
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The uniform
application of a pesticide to an entire field or area. |
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Plants that
usually have leaf veins in a netlike pattern and a tap root.
Broadleaves have two seed leaves (cotyledons). |
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An
underground storage organ composed principally of enlarged and fleshy
leaf bases. |
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Measurement
of the delivery rate of application equipment. |
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A
localized, dead, often sunken or cracked area on a stem, twig, limb,
or trunk. |
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A person
certified by the WDATCP to use pesticides. A private or a
commercial not-for-hire applicator must be certified to use or direct
the use of restricted-use pesticides or metam sodium. A
commercial applicator for hire must be certified to use or direct the
use of any pesticide. |
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The
scientific name of an active ingredient, which complies with, accepted
guidelines established by chemists. |
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The green
photosynthetic substance in plants which allows them to capture solar
energy. |
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The
yellowing of green plant tissue. |
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A commonly
used name of a particular species; unlike scientific names, there may
be a number of common names for the same species. |
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A
herbicide that kills primarily by contact with plant tissue rather
than as a result of translocation; only the portions of the plant
which actually come in contact with the herbicide are affected. |
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A named
horticultural variety of a plant as distinguished from a natural
variety of a species. The word is used more in the profession than in
the public. |
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One degree
of temperature above an insect’s developmental threshold, lasting for
one day. It is the most common method of expressing heat units. |
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The
positive determination of the nature and cause of plant damage. |
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A plant
with two cotyledons or seed leaves. Dicots are also called
broadleaves and usually have leaf veins in a netlike pattern and a tap
root. |
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A condition
of a continuous nature in which any part of an organism is abnormal as
the result of an infectious or noninfectious agent. |
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A pesticide
formulation in which the active ingredient is encased in extremely
small capsules made of inert synthetic polymers. The pesticide
is released gradually over a period of time. |
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The science
that deals with the study of insects. |
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The
movement of soil and associated materials, principally by water and
wind. |
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The
pesticide product as purchased, usually consisting of a mixture of
active and inert ingredients. |
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Small,
often microscopic plants that live either as a saprophyte or parasite.
It contains no chlorophyll, has no vascular system, and is not
differentiated into roots, stems or leaves. |
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A
pronounced swelling or outgrowth on a plant. |
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Plants that
usually have parallel veins and a fibrous root system. Grasses
have one seed leaf (cotyledon). |
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patios,
driveways, walks, etc. |
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A plant
that does not develop woody tissue. |
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A pesticide
used to kill or inhibit plant growth. |
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The
materials in a pesticide formulation which have no pesticide activity. |
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A sudden,
one-time adverse change to a plant. |
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A small,
invertebrate animal with three body regions and six jointed legs;
usually winged. |
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Integrated Pest
Management (IPM)
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A system
where 2 or more pest control methods are used. |
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Any turf,
ornamental, or mulched area, including an area being prepared for such
a purpose, that is in or around residential premises, public or
commercial facilities, parks, workplaces, care facilities,
recreational areas, or public lands. |
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Fertilization and herbicide treatments to a lawn. |
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The
issuance of a license by the WDATCP to individual commercial pesticide
applicators and to commercial application businesses so that they can
legally use pesticides in Wisconsin. |
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Complete
succession of developmental stages in the life of an organism. |
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Material Safety
Data Sheets (MSDS)
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Data sheets
that contain information on toxicity, first aid, personal protection
controls, storage and handling precautions spill and leak cleanup and
disposal practices, transportation, physical data and reactivity data.
MSDSs are available from manufacturers. |
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A plant
having a single cotyledon or seed leaf. Monocots include
grasses. |
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(Shredded
hardwood bark vs. wood chips.) Shredded hardwood mulch is a processed
mulch made mainly of the "bark" byproducts of trees, usually double
ground for finer consistency and usually treated with a "rinse"
process to provide even color.
Wood chip mulch is chipped tree
byproducts usually including bark as well as actual branch wood
chipped into usable sized mulch. It contains more extraneous materials
and is usually used for more rustic situations, in parks, as pathway
surfaces, etc. |
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The
reduction of pest populations by natural enemies without human
assistance. |
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Death of
plant cells or entire portions of a plant, usually resulting in
darkening of the affected areas. |
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A plant
defined by law as being especially undesirable, troublesome, and
difficult to control. |
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Weeds, such
as purple loosestrife and multiflora rose, which no one may sell,
distribute, or cultivate in Wisconsin. |
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Plants that
live for more than 2 years. |
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Any
organism that competes with people for food, or space; presents a
threat to the health of people or domestic animals; or, with respect
to ornamental plants, detracts from our visual environment by damaging
such plants (either during production or end use). |
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A chemical
used to directly control pest populations or to prevent or reduce pest
damage (e.g., insecticides, herbicides, fungicides). |
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A measure
of the acidity or alkalinity of a solution. pH values below 7.0
indicate acidity; above 7.0 indicate alkalinity. |
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The group
of weed control herbicides that are applied directly to the unwanted
plant's foliage, killing the plant systematically. (Example:
Round-up.) |
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The group
of weed control herbicides which are applied to turf areas or planting
bed areas as a preventative measure. Weed seeds are typically
prevented from germinating due to the chemical barrier created by the
pre-emergent chemical. (Examples: crabgrass preventer, Preen, and
Snapshot.) |
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(also see
trim/shape)
Usually involves a more thorough, structural approach. Thinning of
major stems, removal of crossing or rubbing limbs, reducing size
substantially, rejuvenating or renewing growth by major thinning or
cutting nearly to ground level. |
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The Latin
name of genus and species of an organism. Scientific names are
used to avoid confusion that can result from the use of common names,
which may vary from one area to another. |
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Partially
decayed and partially resynthesized plant and animal residues in the
soil. |
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Application
of a pesticide to small, discrete areas. |
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Plants that
germinate from seed in spring, flower and produce seed during the
summer, and die in the summer or fall. |
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A single,
relatively large central root which gives rise to smaller, lateral
branches; usually found in dicots. |
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(also see
pruning)
Refers to a cosmetic type of pruning where most plants being trimmed
have an established form and merely need light tipping or shearing of
recent growth in order to maintain their established form (hedges,
etc.). |
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The
specific, registered name given by a manufacturer to a pesticide
product. |
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An unwanted
plant. |
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