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Areolate Mildew Observed in Central AL Cotton Fields

Contributed by: Regional Extension Agent Rudy Yates

Areolate mildew has been observed in some cotton fields in Central AL.

Areolate Mildew on a cotton leaf
Areolate Mildew on cotton leaf

The  links below may be of some help in understanding this disease and making management decisions if you find it in your cotton:

https://agfax.com/2018/08/16/sawyer-on-crops-cotton-diseases-target-spot-and-areolate-mildew-podcast/

http://guide.utcrops.com/cotton/cotton-foliar-diseases/areolate-mildew/

https://site.extension.uga.edu/colquittag/2017/08/colquitt-county-extension-ag-update-8-25-17/

 

Products with azoxystrobin or pyraclostrobin are listed for its control in cotton.  Please click IPM-0415  to read the 2018 IPM Guide (some products listed on page 15).Please make sure cotton is on the pesticide label.

On the insect side, I’ve had an increase in moth counts for soybean loopers and fall armyworms in my traps (near peanuts and cotton).

Loopers on leaf
soybean looper

Cotton bollworm moths numbers have increased in my trap near corn and cotton.

Cotton bollworm moth
Cotton bollworm moth

Moth numbers have been up as well for cabbage loopers and beet armyworms (traps next to peanuts).

The Central Alabama Crops Tour will be held August 30, 2018 at the E.V. Smith Research Center at 8:30 a.m. For more information and to registers, please call 334.422.1135.

Please click below for a printable version of the Central Alabama Crops Tour Flier:

2018_0830_Central AL Crops Tour Flier

 

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