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. Question4 points
Based on what you know of the Field History, select all of the following answers that could result in yellowing and stunted corn.Correct 4 / 4Points
Correct!Incorrect / 4 Points
Since 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.
Question 2 of 3
2. Question4 points
What is the next step in the diagnosis process?Correct
The process goes Field history, field scale, plant scale, leaf scale, questions, diagnosis, and lastly additional tests.
Question 3 of 3
3. Question3 points
Which of the following was the described layout of the drip lines?Correct