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Kentucky News updated as of
August 31, 2007
- Hello Everyone,
This has been fairly very slow week for soybean rust finds, which is good. Three new finds we made this week in Crawford County, Arkansas; Geneva County, Alabama; and Madison County, FL. All three finds (circled on the map below) were in soybean at the R5 (beginning seed) growth stage.
As I had indicated in previous updates, there is a good chance that spores of the rust fungus were deposited in parts of north central and northeast Kentucky as the remnants of Tropical Storm Erin played out. If we see soybean rust based on movement of spores in Erin, we would not see evidence until 2-3 weeks after the transport event. This is because of the probable very low spore numbers that would have been deposited. Based on model outputs, the day with the greatest chance of long distance spore transport occurred on Aug 22. This means we could see soybean rust in Kentucky around Sept 5-12 in areas were spores were deposited and conditions favored infection and subsequent disease development. Of course, much of west Kentucky remains very dry and was not impacted by Erin. Thus, the risk of soybean rust in most of west Kentucky continues to be very low.
The bottom line is that we are in a watch and wait mode. No fungicide spraying is recommended at this time anywhere in Kentucky.
Trainings
- no soybean rust specific trainings
are presently being offered in Kentucky
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