Iowa State University Extension and Outreach

East-Central and Southeast Iowa Crop Information


February 15, 2006

February 15, 2006

Note:  Several portions of this are quoted from Jim Fawcett’s Crop Update, which can be viewed at





Soybean Aphid

You can find a wealth of information on Soybean Aphid in the Special January 23 Issue of the ICM Newsletter, 24 pages, full color.  The ICM Newsletter is posted at:





SCN Yield Variety Trials Available

The 2005 ISU SCN-resistant soybean variety trial report is now available.  This report (as well as the reports since 1996) is available at or call the Department of Plant Pathology ( 515-294-1741) and request a hard copy.  These variety trials include the measure of SCN levels in the trials, which allows you to evaluate not just yield, but yield under a defined level of SCN presence.


Soybean Rust

The recent cold spell in the south should have taken care of some of the kudzu, reducing the overwintering sites for Asian Soybean Rust. The next issue of the ICM Newsletter will feature soybean rust. For the latest map on where rust has been found this year see


White Mold

White Mold was very severe in many soybean fields in 2004.  Many of those fields are scheduled to be planted with soybeans again in 2006.  With the high level of inoculum in those fields, producers will want to especially evaluate the genetics to be planted.  There is no good resistance, but there are definite differences in susceptibility, or partial resistance.  For more information on White Mold management see the Plant Health Initiative White Mold web site at





Stored grain should be checked every one to two weeks this winter.  The need for inspection more frequently than normal is because much of the grain put into storage last fall was in less than ideal condition.  Thin and/or cracked testas (seed coats) cannot protect the grain from molds as well as thicker or intact testas.  Furthermore, some of the grain was already infected by molds when it went into storage.  Compounding the problem is the potential for light test weight grain to “signal” grain driers to move the grain before it has dried to the intended moisture content.  So some grain is much more vulnerable to spoilage than usual this winter.


A great inspection strategy was printed on pages 23 – 24 of the May 7, 1997 Iowa State University Integrated Crop Management Newsletter; this article can be viewed at





Commercial Pesticide Applicator Training For The Test Sessions

February 20, Linn County Extension Office – Marion

March 6, Scott County Extension Office – Bettendorf


Training to help commercial pesticide applicators prepare for the exams will begin at 9:00 a.m. at both locations. Training sessions will cover the Iowa Core Manual and categories 1A (Agricultural Weed Management); 1B (Agricultural Insect Control); 1C (Agricultural Crop Disease Management); 3O, T, and G (Ornamental, Turf, and Greenhouse Pest Management); 4 (Seed Treatment); and 6 (Right-of-Way). Training on the Iowa Core Manual will be from 9:00 to 10:45 a.m. Training on the other categories will begin at approximately 10:45 a.m. and conclude in early afternoon. There is a $20 fee per person at each training session. These training sessions do NOT qualify as continuing instructional courses. For test location information in eastern Iowa see:



SE Iowa Agricultural Experimental Association Annual Meeting

(ISU Southeast Research and Demonstration Farm)

March 2, 2006, Montgomery Hall, Johnson County Fairgrounds, Iowa City


9:30 a.m.                     Registration and coffee

10:00 a.m.                   Business Meeting


10:15 a.m.                   Review of '2005 Activities and Plans for 2006

                                                Kevin Van Dee - Research Farm Superintendent

10:45 a.m.                   Tile Drainage Research Update

Greg Brenneman – ISU Ag Engineering Specialist

11:30 a.m.                   Soil Sampling Techniques & Making Profitable Fertilizer Applications

Antonio Mallarino – ISU Agronomist – Soil Fertility

12:15                           Lunch - Available for $5.00


1:00 p.m.                     Glyphosate Stewardship in Roundup Ready Corn and Soybeans

Bob Hartzler – ISU Agronomist – Weed Science

Health Checks Provided By Washington County Public Health & Home Care




Eastern Iowa Hay Producers Association Annual Conference and Meeting

March 9, 2006, Buzzy’s, Welton, IA


10:00 am    Registration ($10 for non-members, free to members (Membership is $15.))


10:30 am    Program Begins


          Pasture Management and Controlling Risk in 2006

                   Denise Schwab, ISU Extension Beef Specialist


          New and Alternative Forages

                   Steve Wallace, Barenburg Seeds


Noon          Lunch


  1:00 pm    Program Continues


          Weather Outlook for the 2006 Growing Season

                   Dr. S. Elwynn Taylor, ISU Extension Climatologist


          Soil Fertility for Hay and Pasture Production

                   Virgil Schmitt, ISU Extension Crops Specialist


  2:30 pm    Business meeting 


  3:00 pm    Adjourn


If you have any questions, please feel free to contact the Iowa State University Extension Office.
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Last Update: February 15, 2006
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