Pests, Diseases and Other Problems
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Subject: How does the cold effect diseases in the soil
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From
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Location
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Message
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Date Posted
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Darren C (Team Big-N-Orange) |
Omaha, Ne.
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Last year was a cold year around here . But it was also a low disease year for me . So if disease spores have trouble making it through cold winters wouldn't it just add to the problem to till in the soil in the fall and bury all the disease spores. I would think they would have more trouble surviving on top of the soil through the winter ?
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12/31/2014 10:51:10 AM
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Iowegian |
Anamosa, IA BPIowegian@aol.com
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Last winter the frost went very deep and killed a lot of insect larvae. With fewer bugs to spread pathogens, less disease pressure. If you leave a lot of vegetative matter on the surface, it insulates the soil and the spores have a good area to survive in. That is why notill farmers have more disease problems. Since we add so much organic matter to our patches each year, I think it helps to till it in. Incorporating organic matter and oxygen stimulates the bacteria that break down the organic matter into compounds that the plants can absorb. Then plant a cover crop to keep the nitrogen from leaching out and protect the soil from erosion.
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12/31/2014 11:13:17 AM
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cojoe |
Colorado
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Prob. doesn't affect fungal diseases because they overwinter as spores. Bugs maybe,i'm hoping squash bugs aren't liking this cold snap. I know when we have a dry winter its hard on the cucumber beetles.
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12/31/2014 1:26:42 PM
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DHertz |
Waterville, Ohio
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Last year was the harshest winter our region had seen, squash bugs were atrocious. I think cycles play a larger part than weather.
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2/3/2015 5:53:19 PM
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Total Posts: 4 |
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