Yellowing Corn in an Old Hops Yard: Quiz 1
CS1: Yellowing Corn in a Hops Yard #1
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Begin narrowing down the possible causes at this stage in the process. Some causes may be able to be eliminated, or not.
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Now move on to Step 2: Field Scale, to continue narrowing the possibilities.
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Question 1 of 3
1. Question
4 pointsBased on what you know of the Field History, select all of the following answers that could result in yellowing and stunted corn.
Correct 4 / 4PointsCorrect!
Incorrect / 4 PointsSince you don’t yet know the pattern of symptoms within the field, the timing of planting could result in yellow, stunted growth because of denitrification and the weather. Denitrification could result in yellowing leaves and stunted growth due to standing water in rows 2 and 3. This can be exacerbated by the cool, wet weather. RR corn is resistant to glyphosate and would therefore not cause the symptoms.
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Question 2 of 3
2. Question
4 pointsWhat is the next step in the diagnosis process?
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Correct!
Incorrect
The process goes Field history, field scale, plant scale, leaf scale, questions, diagnosis, and lastly additional tests.
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Question 3 of 3
3. Question
3 pointsWhich of the following was the described layout of the drip lines?
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Incorrect