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Soybean research verification program update – June 13, 2014
Author: Chris Grimes, Program Associate - Soybean/Wheat Verification Coordinator

Rainfall prevented the planting of the remaining 4 verification fields; hopefully we will dry out and get them planted next week. The later planted fields started showing signs of saturated conditions (yellowing of the plants) this week.  These symptoms should go away as the fields start to dry out and get more oxygen into the soil.  Herbicide applications continue to be a priority as the fields dry out to try and keep weed pressure under control.  Insect pressure (stinkbugs) picked up in Desha County, but remains low in other counties.  Disease pressure is minimal.

County Variety Stage General Information
Arkansas Asgrow 5233 RR/ STS V2


Received 2.6” rain. Recommended glyphosate and metolachlor when it dries.
Clark NK

S48-F8 RR

V2 Received 3.6” rain. Recommended glyphosate and metolachlor when it dries.
Clay Halo 5:26 LL  


Field received 2.7” rainfall since last visit. Herbicide application recommended last week was not applied due to rain, so we changed the recommendation to 29oz/a Liberty & 2 pt/a Prefix for weed control.
Cross Progeny 4211 RR V7/R2 The field received 1.85” rain since last visit. Got ran out of field due to thunderstorm and didn’t get to scout field. The beans have canopied on the row, but middles are still open.
Desha Armor

DK 4744 RR

R2 Received 2.7” rain. Middles have lapped. Green stink bugs averaging 5/25 sweeps. Also noticed several egg masses. Metolachlor has done very good job of keeping field clean.
Jefferson Delta Grow


V2 Received 2.3” rain. Recommended Liberty and Prefix when it dries.
Lawrence – Rice Asgrow 4232 RR V2


The field received 2.46” rainfall since last visit. Picked up small pigweed and morninglory, so we recommended 32oz/A Roundup PowerMax plus 32oz/A Prefix for weed control.
Lawrence – Wright Leland V3


Field received 2.46” rainfall since last week. Picked up teaweed and scattered pigweed this week. Recommended 1.5pt/A Storm plus 40oz/A Warrant for weed comtrol.
Lee Asgrow

4632 RR/STS

  Rainfall kept them from planting.
Phillips-1 Osage V7/R2 Received 3.4” rain. Still heavy sicklepod areas across entire field. It took three weeks but Pursuit has finally killed nutsedge. Recommended FirstRate on younger part.
Phillips-2 Asgrow 4632 RR/STS


V6/R1 Received 3.2” rain. MG’s and sicklepod emerged. Recommended glyphosate application.
Prairie Pioneer 95Y40 RR V2 The field received 2.33” rainfall since last visit. The 32oz/a Roundup Power Max plus 32oz/a Prefix for weed control and residual was not applied due to rainfall. Going to get field sprayed as soon as it gets dry.
Randolph Pioneer 94Y70 RR   Frequent rainfall has kept the field from being planted.
St. Francis TV 49L29 LL V8 Field received 2.33” rainfall since last week. Didn’t get to walk the field due to thunderstorm.
White NK S49-F8 RR   Field has been worked up but still catching rain and not been able to plant.

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