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Category Archives: Diseases

14
Apr
2014
Automatic Delivery of Our Newsletter
Author: Scott Stewart, IPM Extension Specialist No Comments

From now on you will receive automatic emails about new content on the UTcrops News Blog. This email will arrive each Thursday afternoon if new articles have been published.  You will have subscribe/unsubscribe options Continue reading

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21
Mar
2014
Cold Weather Effects on Diseases?
Author: Heather Young Kelly, Extension Plant Pathologist 1 Comment

As Dr. Scott Stewart pointed out in a previous article, “Cold Weather Effects on Insect Populations?”, the warm environment in the South promotes more insects, similarly the warm and humid conditions of the South also contribute to the amount of plant diseases. Continue reading

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21
Mar
2014
New Soybean Rust Videos
Author: Heather Young Kelly, Extension Plant Pathologist Comments Off

Growers will find key information to keep in mind about the ongoing threat of soybean rust and actions they can take to minimize potential losses from this disease in two videos now available online. Continue reading

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02
Jan
2014
Cotton Focus, February 13th
Author: Scott Stewart, IPM Extension Specialist Comments Off

Mark your calendars for the annual UT Cotton Focus meeting that is scheduled for Thursday, February 13th at the West Tennessee Research and Education Center in Jackson. Program highlights are below. Pre-registration is not required and there is no registration fee. CEUs are available for Pesticide Applicators and Certified Crop Advisors. Continue reading

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08
Nov
2013
If you had SDS this year – sample for SCN
Author: Heather Young Kelly, Extension Plant Pathologist Comments Off

There were multiple reports of Sudden Death Syndrome (SDS) in soybeans this past year.  The cooler, wet season helped promote the disease in susceptible varieties, but the presence of soybean cyst nematode (SCN) can also increase the effect of SDS. Continue reading

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28
Oct
2013
Soybean Rust Update
Author: Heather Young Kelly, Extension Plant Pathologist Comments Off

Soybean rust was found on leaves from the sentinel plot in Lauderdale County.  Soybean rust pustules were present on 16 out of 50 leaves with less than 1% severity across the entire sample.  The soybeans were late planted and at reproductive growth stage R7. Continue reading

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24
Oct
2013
Soybean Rust Update
Author: Heather Young Kelly, Extension Plant Pathologist Comments Off

Soybean rust was found on leaves from Knox County from the East TN Research and Education Center.  Soybean rust pustules were present all leaves collected with an average 33% severity out of 50 leaves.  The soybeans were late planted and at reproductive growth stage R7. Continue reading

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20
Oct
2013
Soybean Rust Update
Author: Heather Young Kelly, Extension Plant Pathologist Comments Off

Soybean rust was found on sentinel plot leaves from Lake and Franklin Counties.  Soybean rust pustules were present on 50% of the leaves from Lake County and 90% from Franklin County. Continue reading

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11
Oct
2013
Soybean Rust Update
Author: Heather Young Kelly, Extension Plant Pathologist Comments Off

The newest find of soybean rust is from Rutherford County.  Soybean rust pustules were present on 19 of 50 leaves, with an overall severity of 4%.  Rutherford is the fifth county in TN that has had a confirmed soybean rust report (others are Giles, Shelby, Madison, and Cannon Counties).

While most soybean sentinel plots have already matured, soybean rust will continued to be monitored for the next couple of weeks.  Any positive observation will be reported here on news.utcrops.com, the sbrusa.net website, and the UT Rust Hot Line (1-877-875-2326).

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04
Oct
2013
Soybean Rust Update
Author: Heather Young Kelly, Extension Plant Pathologist Comments Off

The newest find of soybean rust is from Cannon County.  Soybean rust pustules were present on 8 of 50 leaves, with an overall severity of less than 1%.  To date soybean rust has been confirmed in Giles, Shelby, Madison, and Cannon Counties in Tennessee. Continue reading

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01
Oct
2013
Soybean Rust Update
Author: Heather Young Kelly, Extension Plant Pathologist Comments Off

Soybean rust was found today in Madison County in a soybean research trial at the West Tennessee Research and Education Center in Jackson.  Only 3 leaves of 50 that were examined contained 3 to 6 sporulating pustules (on each leaf), indicating very low severity and that spores were likely deposited in the area 2 to 3 weeks previously. Continue reading

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27
Sep
2013
Soybean Rust Update
Author: Heather Young Kelly, Extension Plant Pathologist Comments Off

Soybean rust was found in the Shelby County sentinel plot, in Millington near the Tipton County line. There was 7 out of 37 leaves with soybean rust with varying severity levels ranging from 1 to 35% (percentage of the leaf area that has lesions), with an average of 2% across the whole sample. Continue reading

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