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QAL & QAC Exam Study Guide.

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©THESTAR EXAM SOLUTIONS 2024/2025 ALL RIGHTS RESERVED. 1 | P a g e QAL & QAC Exam Study Guide. Pesticides are - answerSubstance that control pests, they may be either naturally-occurring compounds like sulfur or synthetic (i.e. man-made) compounds like the insecticide malathion. Pesticides a...

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  • November 24, 2024
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©THESTAR EXAM SOLUTIONS 2024/2025

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QAL & QAC Exam Study Guide.

Pesticides are - 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 - answer✔1. Compounds that control pests


2. Plants defoliants


3. Plant growth regulators


4. Adjuvants


Plant defoliants are in - answer✔use to remove leaves from plants, most often to aid in the

harvest of crops.


Plant growth regulators (PGR) are - answer✔used to alter plant growth or development.


Adjuvants - 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.




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, ©THESTAR EXAM SOLUTIONS 2024/2025

ALL RIGHTS RESERVED.
examples of adjuvants - 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




Spreader- stickers


Pesticide Formulations - 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.




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