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Soybean Research Verification Program Weekly Update – July 8, 2011
Author: Chris Grimes, Program Associate - Soybean/Wheat Verification Coordinator

Some of the fields in the program received a good rain this week while others didn’t. We have a wide range of growth stages in the verification fields this year.  They are anywhere from VE up to R4 this week. Weed control and irrigation continue to be on the forefront of the activities in the program, although some fields have caught a good rain and irrigation has been delayed. Insect levels were low in the fields this week.

July 08, 2011 SRVP Weekly Update
CountyVariety StageGeneral Information
Arkansas N (DC)Halo 5:25V222 oz Ignite + 1 1/3 pt Dual was applied on 7/7.
Arkansas SHalo 5:65V8Applied 30 oz Ignite on 7/6.
ChicotPioneer 94Y70V14/R31.3" rain on 7/4, plus second irrigation complete. Growth is good and we are near lapping on single, 38" beds. No pests present.
ClayPioneer 95Y01V7Field got 1.75” of rain on 7/4 and still had good moisture on 7-7. Picked up small grass and morningglory while walking the field. Recommended 22oz/A of Roundup PowerMax plus 1/3oz/A of Classic. Insect pressure was low this week. Polypipe hasn’t been rolled out yet because cooperator had other fields that took priority, but it will be done right after the herbicide application goes out.
ConwayPioneer 95Y01V6The herbicide application did a good job on the emerged weeds, but it’s time for another application. I recommended another 26ozs/A of Roundup PowerMax to be applied ASAP. The worm pressure and defoliation levels continue to decline. The field was irrigated again, and there hasn’t been any rainfall since last week.
CraigheadHalo 4:65V7The Ignite application that went out last week has done a good job on emerged weeds. A second application of Ignite is scheduled for later next week and then going to mark the levees for irrigation. Insect pressure was low this week.
CrossProgeny 4807V7-R1The insecticide application made last week eliminated the worms, and the new foliage looks a lot better this week. The field has started to bloom this week. Recommended getting the levees surveyed for irrigation. County agent reported a good rain on the field on 7/7.
Desha-1Armor 47R33V15-R32" rain on 7/4. No insect or disease pressure yet.
Desha-2 (DC)Delta Grow 5300Replanted behind wheat on 7/3, applied 1 qt. Gramaxone prior to planting to take out emerged weeds and previous, partial stand.
DrewAsgrow 4703V18/R43rd irrigation this week. No insect pressure.
Faulkner (DC)Delta King 4744V12” of rain on the field caused it to crusted over. Ran a rotary hoe over the field to loosen the soil to help with emergence. It helped some, but we are still going to drop back in and plant some more seed. The rotary hoe interrupted the Valor that was applied for preemergence weed control, and we have some emerging pigweed. Recommended 1pt/A of Blazer plus 1pt/A of Dual for weed control right after the replanting is finished. No rain since the 2” last week.
LawrencePioneer 94Y91V8-R2The field received 1/10” of rain since last week as of 7/7. Applied the 2nd shot of Roundup PowerMax on 7/6. The field has started blooming this week, and irrigation was recommended if no rain is received in the next couple of days. Insect pressure continues to remain low in the field.
Lincoln-1Halo 5:65V8Planned to apply 32 oz. Ignite + 9 oz. Select, but 1" rain on 7/4 has delayed the application.
Lincoln-2 (DC)Hornbeck 5226Replanted behind wheat on 7/5.
PhillipsOzarkV5Boundary was applied immediately after planting with very good control. 1 pt Blazer + 1 pt Dual was applied for newly emerged pigweed control.
PoinsettArmor 49V6V8-R1The herbicide application was scheduled to go out Wednesday or Thursday of this week. The levees are marked, and the cooperator is going to pull levees and water next week, if no rainfall is received before then. The worm and defoliation levels were low this week. The field has started blooming this week.

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