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RIGHTS OF WAY PESTICIDES EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED
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RIGHTS OF WAY PESTICIDES EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED Growth regulator herbicides disrupt the hormone balance and protein synthesis in plants, causing growth abnormalities. Growth regulators selectively kill broadleaf weeds in grass stands. Grasses generally are tol...

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  • November 3, 2024
  • 29
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • rights of way pesticides exam questions and answer

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  • RIGHT OF WAY PESTICIDE
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RIGHTS OF WAY PESTICIDES EXAM QUESTIONS AND

ANSWERS WITH COMPLETE SOLUTIONS VERIFIED

Growth regulator herbicides

disrupt the hormone balance and protein synthesis in plants, causing growth

abnormalities. Growth regulators selectively kill broadleaf weeds in grass stands.

Grasses generally are tolerant to these chemicals, but injury can occur if herbicides are

applied at the wrong growth stage or at high rates. These herbicides translocate to the

growing points of the plants, and injury symptoms appear in new plant tissue. An early

symptom often is epinasty, which is abnormal bending or twisting of shoot tips. Growth

regulators are foliage applied, but some root absorption may occur

2,4-D (multiple formulations - amine, ester) Chemical Name

Phenoxy acetic acid

2,4-D Uses

Postemergence control of broadleaf weeds

2,4-D Application

Postemergence

2,4-D Mode of Action

Growth Regulator

2,4-D Uptake/Translocation

Primarily foliar uptake with translocation throughout plant.

,2,4-D Symptomology

Twisting of stems and petioles, stem elongation, leaf cupping (epinasty) then plant

death

2,4-D Cautions

Do not allow 2,4-D to drift or contaminate water for irrigation or domestic use. Some

formulations volatize at lower temperatures than others. Check Restrictions.

MCPA Chemical Name

Phenoxy acetic acid

MCPA Uses

Postemergence control of broadleaf weeds

MCPA Application

Postemergence

MCPA Mode of Action

Growth Regulator

MCPA Uptake/Translocation

Primarily foliar uptake, with translocation throughout the plant

MCPA Symptomology

Twisting of stems and petioles, stem elongation, leaf cupping (epinasty) then plant

death

MCPA

Do not allow MCPA to drift or contaminate water for irrigation or domestic use.

Dicamba Trade Name

Banvel, Clarity

, Dicamba Chemical Family

Benzoic acid

Dicamba Uses

Postemergence control of broadleaf weeds

Dicamba Application

Postemergence

Dicamba Mode of Action

Growth Regulator

Dicamba Uptake/Translocation

Primarily foliar uptake (some root uptake) with translocation throughout the plant

Dicamba Symptomology

Twisting of stems and petioles, stem elongation, leaf cupping (epinasty) then plant

death

Dicamba Cautions

Do not allow dicamba to drift or contaminate water for irrigation or domestic use. Do not

allow dicamba to contact roots of desirable species. Known to leach and move through

surface runoff. Volatilizes during warm temperatures.

Clopyralid Trade Name

Transline

Clopyralid Chemical Family

Pyridine

Clopyralid Uses

Clopyralid controls actively growing broadleaf weeds

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