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Soybean Research Verification Program Weekly Update – July 20,2012
Author: Chris Grimes, Program Associate - Soybean/Wheat Verification Coordinator

Rainfall during the week of July 10 gave some areas in the state a much needed break from irrigation, while some areas were not as lucky. Irrigation efforts have resumed keeping the crops moving forward.  We had anticipated a large increase in bollworm numbers, but as of this date only one field in Cross County required treatment. Three fields are scheduled for a fungicide application due to frogeye leaf spot.


July 20, 2012 SRVP Weekly Update
CountyVariety StageGeneral Information
Arkansas-1HBK 5221R2A second irrigation was completed on 7/13, and then received a 1” rain soon after. The field is progressing rapidly, and there are no pest problems at this time.
Arkansas-2Halo 4:94R3The third irrigation is set to begin soon. No insect or disease problems.
ChicotOzark & OsageLate R2The third irrigation is set to begin by Monday. No pest problems.
Conway (DC)V10 Field received 2” rain since last week. 32oz/A Glyphosate was applied 7-10 for weed control.
Crittenden-1Halo 4:65R4Field was being irrigated today (7-20) and continues to progress well. No insects, but did pick up Powdery Mildew.
Crittenden-2Halo 4:65R5 Field continues to progress well. No insects, but did find powdery mildew. Field is scheduled for irrigation 7-22-12.
CrossProgeny 4807R2 The field was at treatment level for bollworms this week. Recommended 2oz/a Belt for control. Irrigation scheduler is calling for irrigation over the weekend.
DeshaArmor 47R44R5Low frogeye leaf spot incidence. Third irrigation to begin this weekend. No insect problems.
DrewArmor 47R44R5Scheduled to treat with 6 oz/a Headline for frogeye leaf spot. The forth irrigation is set to begin over the weekend.
Faulkner (DC)Halo 5:25 Didn’t get to visit field this week.
GreeneAG 5503V5-V6Irrigated on 7-18-12. No insect or disease pressure this week.
LafayetteDelta Grow 4880R5 The second irrigation was completed on 7/5, and then received 2” of rainfall on 7/10. No insect or disease problems as of this date.
LawrencePio 94Y40R4Field was irrigated again early this week and is scheduled again on 7-22-12. No insect or disease pressure this week.
LincolnHalo 5:65V3 An application of Liberty is scheduled. We hope to follow with another application 10-14 days later.
MillerPio 94Y40R5Low stink bug numbers. Pivot turning now for the 5th time.
MississippiOsageR2Field received 0.8” rain since last week. No insect or disease pressure this week.
Phillips-1Pio 94Y70R5A fifth irrigation should begin this weekend. No pest problems.
Phillips-2UA 4910R5Low insect numbers in this conventional field, but frogeye leaf spot has increased dramatically. We recommended treatment as soon as possible.
PoinsettArmor 48R40R5 The field received 0.9" rain on 7/15/12. Recommended getting levees pulled and irrigate again. No insect or disease pressure this week.
PrairieUA 4910Late R4Frogeye Leaf Spot levels have increased since last week, so 12oz/a Quadris was recommended for control. Irrigation was just completed and the irrigation scheduler is calling for irrigation 7-23-12. No insect pressure this week.

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