Expanding Opportunities. Delivering Results ISA ON-FARM NETWORK HOME      
 
  HOME  |  BEAN INSECTS  |  CORN INSECTS  |  ALFALFA INSECTS  |  DISEASES  |  FIELD GUIDE  |  SITES  |  TRIALS
SITE INFORMATION: RAAS1  
ARCHIVES     BACK
MARL1 CIR DOQ and soils Aerial Photo (7/12/04)
SITE INFORMATION
Consultant   Mark Raasch
Field ID RAAS1
County   Sac
Acres 128.58
2004 Crop   R-U Bean
2003 Crop Corn
Hybrid/Variety   LGC 2991 RR & Champion 261 RR
Planting Date 5/5/04
Tillage   Disk 1x & Mulch Finish 1x
Row Spacing 15"
Population   156,000
Herbicides/Pesticides

Maxim & ApronXL seed Applied Prowl@ 2pt/Ac Pre-plant inc.

40oz +2# Mirage + AMS applied on 6/29/04

Fertilizer &/or Manure   none
Fertility (last soil test) pH=6.4, P=30ppm, K=160ppm
 
WEATHER DATA
   
 
CURRENT SCOUTING NOTES

6/4/04:  Soybeans V2.  BLB=2.  Soybeans recovering from hail damage received on 5/28/04.  Approx 1.5 acres of drown-out spots near river.  Grass & broadleaves 1-2" size - moderate pressure.

6/10/04:  Soybeans V3.   No insects reported.  2% adjusted on hail damage.  Beans have recovered well from hail.  Weed pressures approaching first Round-up treatment window.

6/21/04.  Soybeans V5.   No insects reported.  Beans look good.  6.1" rain since last scouting.  Low areas next to river flooded again.  Weeds getting 6-10" size.  Roundup application is a priority when conditions allow.

6/25/04.  Soybeans V6.  Some Bacterial Blight showing up.  0.2" rain since last scouting.  Round-up scheduled for next week. No insects reported.

7/3/04.  Soybeans R1.  1" rain since last scouting.  No insects reported.

7/9/04.  Soybeans R1.  1.2" rain since last scouting.  Excellent weed control.  Grape colopsis beetle feeding - low pressure.

7/18/04.  Soybeans R2.  BLB = 1/sweep. 0.3" Rain since last scouting.  beans look healthy.

7/25/04.  Soybeans R3.  BLB=15/20 sweeps.  No rain since last scouting.  Beans look healthy.

8/1/04.  Soybeans R4.  BLB=20 per 20 sweeps.  Soybean aphids = 1/plant.  1.0" rain since last scouting.  Some plants along the border have aphids, but none within the rest of the field.

8/8/04  Soybeans R4.  BLB=7 per 20 sweeps.  Soybean aphids = 13/plant.  No rain since last scouting.  Bean Leaf Beetle did not reach threshold.  aphids have increased, but are only found on 30% of plants.

8/13/04.  Soybeans R5.  No BLB.  36 Soybean Aphids/plant.  No rain since last scouting.  Aphids have slowly increased population under very cool conditions this week.  I'm finding them on about 50% of the plants.

8/22/04.  Soybeans R6.  Soybean aphids =68.  1.0" rain since last scouting.  Warmer temps have helped crop progress.

8/28/04.  Soybeans R6.  Soybean aphids = 150/plant.  0.4" rain since last scouting.  Crop looks good.

     
 

©2004 Iowa Soybean Association