CCA_CELL
1. Introduction
1.1 Corn Residue and Foliar Disease
1.2 Overview
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1.3 Soil Erosion
1.4 Tillage Systems
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1.5 Effect of Residue on Soil Erosion
1.6 Pathogens that survive in corn residue Pathogen - disease
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1.7 Residue remaining after planting
2. Goss's Wilt
2.1 Cause
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2.2 Symptoms
2.3 Symptoms II
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2.4 Diagnostic Aid I
2.5 Diagnostic Aid II
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2.6 Diagnostic Aid III
2.7 Disease Cycle
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2.8 Risk Factors
2.9 Management
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3. Northern Corn Leaf Blight
3.1 Cause
3.2 Symptoms
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3.3 Symptoms II
3.4 Disease Cycle
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3.5 Risk Factors
3.6 Management
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4. Northern Corn Leaf Spot
4.1 Cause
4.2 Symptoms
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4.3 Disease Cycle
4.4 Risk Factors
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4.5 Management
5. Eyespot
5.1 Cause
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5.2 Symptoms
5.3 Symptoms II
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5.4 Disease Cycle
5.5 Risk Factors
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5.6 Management
6. Gray Leaf Spot
6.1 Cause
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6.2 Symptoms
6.3 Symptoms II
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6.4 Disease Cycle
6.5 Risk Factors
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6.6 Management
7. Anthracnose Leaf Blight
7.1 Cause
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7.2 Symptoms
7.3 Diagnostic Aid
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7.4 Disease Cycle
7.5 Risk Factors
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7.6 Management
8. Physoderma Brown Spot
8.1 Cause
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8.2 Symptoms
8.3 Diagnostic Aid
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8.4 Risk Factors
8.5 Management
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9. Diplodia Leaf Streak
9.1 Cause
9.2 Symptoms
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9.3 Diagnostic Aid
9.4 Risk Factors
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9.5 Management
10. Conclusions
10.1 Conclusions
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10.2 Tillage
10.3 Hybrid selection
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10.4 Fungicides - Scouting
10.5 Fungicides – Recommendation changes based on hybrid
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10.6 Fungicides – Other Considerations
10.7 Additional Resources
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10.8 Credits
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11. Quiz (Questions Only)
11.2 Fungicides are registered to control which of the following disease(s):
11.3 How much residue is left at planting in a mulch tillage system?
11.4 Secondary infections can occur with the following diseases?
11.5 Resistance hybrids are available for?
11.6 Which of the following is always recommended for residue-borne disease?
11.7 Which of the following practices favor residue degradation?
11.8 Decisions to apply fungicides should be based on?
11.9 Bacterial streaming is a diagnostic tool used to identify?
11.10 Which of the following disease(s) can be distinguished by the block spots called pycnidia?
11.11 Continuously planting corn and practicing conservation tillage increase the risk of which
disease(s)?
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