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Iowa Pesticide Applicator - Aquatic Chemicals Summary correctly answered 2024/2025 $9.99
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Iowa Pesticide Applicator - Aquatic Chemicals Summary correctly answered 2024/2025

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  • Lowa Pesticide Applicator

Iowa Pesticide Applicator - Aquatic Chemicals SummaryC5: Copper Sulfate - correct answer (Crystal Blue, Current, Defense, Pristine Blue, Radiance, et al) contact, algae & Chara, high alkalinity not as effective, more toxic to fish than chelates, less expensive, restrictions: none C5: Copper C...

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  • March 30, 2024
  • 2
  • 2023/2024
  • Exam (elaborations)
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  • Lowa Pesticide Applicator
  • Lowa Pesticide Applicator
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Iowa Pesticide Applicator - Aquatic Chemicals Summary
C5: Copper Sulfate - correct answer (Crystal Blue, Current, Defense, Pristine Blue, Radiance, et al) contact, algae & Chara, high alkalinity not as effective, more toxic to fish than chelates, less expensive, restrictions: none
C5: Copper Chelates - correct answer (Cutrine, Harpoon, Symmetry) contact, algae & Chara, more effective in high alkalinity, less toxic to fish, more expensive, restrictions: none
C5: Sodium carbonate peroxyhydrate - correct answer (Green Clean, PAK27, Phycomycin) algae but not Chara, selectively controls blue-green at low levels, sunlight & warm water temps enhance its efficacy, active ingredient is hydrogen peroxide
C5: 2,4-D - correct answer (Navigate, Weedar 64, Weedar 638 et al) granular ester (Navigate) Eurasian watermilfoil, liquid amine & liquid esters rooted floating & emergent, liquids are more toxic to fish, restrictions: vary
C5: Bispyribac-sodium - correct answer (Tradewind) selective, systemic; submersed, floating, & emergent; restrictions: no irrigation til less than 1 ppb
C5: Carfentrazone - correct answer (Stingray) contact, floating, & emergent, short-lived so used in combination with other herbicides, restrictions: drinking & livestock: one day, potable a quarter mile, irrigation: 14 days
C5: Diquat - correct answer (Reward, Weedtrine D, et al) contact, submersed, some duckweed & cattail,
standard for submersed (with Aquathol), turbidity very bad, often as tank mix with copper chelates & Aquathol

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