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03
Sep
2011
Arkansas Soybean Research Verification Program Update – September 2, 2011
Author: Chris Grimes, Program Associate - Soybean/Wheat Verification Coordinator
 We are nearing harvest on a couple of fields, while others still are a long way away.  In general, late planted fields have more costs associated with insecticides, and time will tell how much more will have to be spent to protect the late crop.  Irrigation continues on all fields except for the Drew and Chicot locations.  Loopers are building and several fields have required multiple applications for bollworm.
September 2, 2011 SRVP Weekly Update
 
CountyVariety StageGeneral Information
Arkansas N (DC)Halo 5:25R4Following an application of a pyrethroid + acephate on 8/12, Steward @ 1 to 20 was applied for bollworm on Tuesday.
Arkansas SHalo 5:65R5Second bollworm application was made on 8/26. Belt @ 2 oz/A performed well. We will continue to scout and hope that the application will maintain loopers at low levels.
ChicotPioneer 94Y70 R7Very good yield potential.
ClayPioneer 95Y01R5.7The field reached treatment level for worms and was scheduled for treatment on (9-2). Going to irrigate again on (9-3).
ConwayPioneer 95Y01R5.3The field reached treatment level for worms and was scheduled for treatment on (8-30).
CraigheadHalo 4:65R5.4Could not inspect field this week due to re-entry restrictions from insecticide application.
CrossProgeny 4807R5.8The bollworm numbers were low this week and we had some pod damage from the high worm numbers last week. Recommended irrigating the field and hopefully this will be the last time.
Desha-1Armor 47R33 R7
Desha-2 (DC)Delta Grow 5300Late R4Irrigation will begin this weekend. Timely rainfall has been a big help to this point. The field was treated for bollworm on 8/17. Bollworm numbers have remained below treatment level since then.
DrewAsgrow 4703Late R7
Faulkner (DC)Delta King 4744R5.2Insecticide application last week worked well. Worm pressure was low this week. Field was irrigated last week and is scheduled to start again (9-2).
LawrencePioneer 94Y91R5.8Insecticide application last week worked well. Worm pressure was low this week and irrigation had just been completed.
Lincoln-1Halo 5:65R5Belt was applied on 8/27 for bollworm/looper control.
Lincoln-2 (DC)Hornbeck 5226R4 The field was treated for bollworm on 8/12 with a pyrethroid + acephate. Belt @ 2 oz/A was applied today for further bollworm/looper control.
PhillipsOzarkR51 to 30 Brigade + 4 oz Intrepid was applied on 8/25 for the first application of the season.
PoinsettArmor 49V6R5.8The bollworm numbers were low this week and we had some pod damage from the high worm numbers last week. Recommended irrigating the field and hopefully this will be the last time.

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