Scabinar | Part 2 - Fusarium Head Blight Management

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Scabinar | Part 2 - Fusarium Head Blight Management

The USWBSI has developed this online quiz for Certified Crop Advisors (CCAs) to earn one (1) continuing education unit (CEU) on the rebroadcast of PART 2 of the recorded SCABINAR. After viewing Scabinar Part 2 online, complete the following 4-questions.

Participants must correctly answer 3 of the 4 questions to pass (total points=3/4) to attain CEU credit. Passing results are transmitted to the American Society of Agronomy at the end of each month. CEUs are in the Integrated Pest Management category. Individuals are allowed to retake the test if needed to pass, you are encouraged to re-review the Scabinar Part 2 prior to the retake.

Enter your name, email and CCA number, then complete the exam. Upon completion, click on "View Score" to see your results and determine if you passed (3 correct points) and will be able to attain 1 CEU credit.

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1. Which of the following is not considered a Fusarium head blight management strategy:

1 point

a. Application of an effective fungicide at the proper timing

b. Rotating wheat and/or barley with non-host crops

c. Application of an insecticide seed treatment to minimize aphid feeding

d. Planting varieties with the greatest resistance to Fusarium head blight that are available

2. Which one of the following classes of fungicides is most often utilized for management of Fusarium head blight?

1 point

a. Demethylation inhibitors (DMI; “triazoles”)

b. Quinone outside inhibitors (QoI; “strobilurins”)

c. Succinate dehydrogenase inhibitors (SDHI)

d. Deoxynivalenol inhibitors (DON)

3. Which one of the following classes of fungicides has been shown to have the potential to increase deoxynivalenol (vomitoxin) when applied close to or at the heading stage?

1 point

a. Demethylation inhibitors (DMI; “triazoles”)

b. Quinone outside inhibitors (QoI; “strobilurins”)

c. Succinate dehydrogenase inhibitors (SDHI)

d. Deoxynivalenol inhibitors (DON)

4. Fungicides have been shown to be most effective in managing Fusarium head blight when applied at which wheat growth stage?

1 point

a. Feekes growth stage 6 (first node visible)

b. Feekes growth stage 9 (ligule of flag leaf visible)

c. Feekes growth stage 10.0 (boot stage)

d. Feekes growth stage 10.5.1 (beginning anthesis “flowering”)

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