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QAL & QAC Exam With 100% Correct And Verified Answers
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QAL & QAC Exam With 100% Correct And Verified Answers
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QAL & QAC Exam With 100% CorrectAnd Verified Answers
Pesticides are - Correct Answer-Substance that control pests, they may be
either naturally-occurring compounds like sulfur or synthetic (i.e. man-
made) compounds like the insecticide malathion.
Pesticides are - Correct Answer-1. Compounds that control pests
2. Plants defoliants
3. Plant growth regulators
4. Adjuvants
Plant defoliants are in - Correct Answer-use to remove leaves from plants,
most often to aid in the harvest of crops.
Plant growth regulators (PGR) are - Correct Answer-used to alter plant
growth or development.
Adjuvants - Correct Answer-a product added to the tank to improve a
pesticides performance.. it may improve the wetting ability of the mixture,
increase the pesticides penetration in to plants or insects tissue or may
prevent pesticide drift.
Although adjuvants have no significant pesticidal activity, DPR regulates
them in almost the same way it regulates pesticides.
examples of adjuvants - Correct Answer-Surfactants... helps pesticides get
inside target plants like weeds.
Stickers... helps the pesticide stay on the target plant's leaves.
Buffers... makes acidic or alkaline mix water more neutral.
Drift control agents or deposition aids... Prevent spray drift.
Defoamers... reduce tank-foaming
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, Spreader- stickers
Pesticide Formulations - Correct Answer-A mixture
of 2 or more compounds. Pesticides formulations
are made up of an active ingredient and 1 or more
inert ingredients.
Active ingredients have pesticidal activity.
Pesticide Formulations - Correct Answer-Liquids-
High compatibility with other pesticides. No
agitation needed. BUT... they can be a splash
hazard, and can be easily absorbed through the
skin.
Wettable powders- Are usually very compatible with
other pesticides. BUT... they can be a inhalation
hazard. Because they are not soluble in water they
can be abrasive to equipment and they usually
require agitation.
Soluble powders- Are similar to the wettable
powders, except they dissolve more easily in water.
for that reason, they're not as abrasive to equipment
and they usually require agitation.
Emulsifiable concentrates- these pesticides/petroleum solvents
mixtures are formulated with an emulsifier that helps the
formulations with water. they penetrate plant tissue. BUT... they are
easily absorbed through human skin, they pair a significant eye
hazard to handlers, and they require agitation in the mix tank. They
can be phytotoxic to plants.
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