Day 2 Reports - Midwest Crop Tour

Tuesday, August 20, 2013

Eastern Route Anthony Lackore, Field Agronomist
Map: Day 2 Eastern Route

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Photo: Anthony Lackore
Anthony Lackore
Field Agronomist

DuPont Pioneer Agronomy Report

Eastern Route - Day 2
Starts in Fishers, Ind., and ends in Bloomington, Ill.

Report from northern Illinois

Growing Season

  • Since July 1, areas of northern Illinois have accumulated less rainfall in 2013 than in 2012 when comparing the same time frame year-over-year.
  • As we’ve progressed through the grain fill period in corn, both the lack of moisture and solar radiation have limited yields through kernel abortion.
  • With the majority of the crop now entering into the dough stage, continued stress moving forward will not abort kernels, but it will potentially reduce kernel weight through limiting starch accumulation.
  • As we progress through a period where both the lack of moisture and solar radiation are stressing the soybean crop, there is the potential to observe seed abortion.
  • Looking toward the end of the season, reaching black layer prior to the first frost, late-season plant health and standability will be a few key agronomic items to keep top-of-mind.


  • Common rust, gray leaf spot, northern corn leaf blight and Goss’s wilt have all been confirmed in areas of northern Illinois, with common rust showing the most progression thus far.
  • White mold and sudden death syndrome have been positively identified in areas throughout northern Illinois. The next few weeks will be an optimal time to evaluate the progression of these diseases.


Local Crop Report (02:11)

Photos - Northern Illinois
White mold continues to be confirmed throughout areas of northern Illinois, which is identified by fluffy, white growth on the outside of infected soybean stems. Leaves will die and turn completely brown, but will remain attached to the stem. Photo taken near Mendota, Ill.
Sudden death syndrome (SDS) has begun to be observed throughout areas of northern Illinois. SDS and brown stem rot show the same foliar symptoms, so splitting the stem will help confirm which disease is present (brown stem rot – brown pith, sudden death syndrome – white pith). Photo taken near Mendota, Ill.
As both the lack of moisture and solar radiation put stress on the soybean crop, monitor pods for seed abortion throughout the remainder of the seed fill development stages. Photo taken near Yorkville, Ill.
The lack of moisture and solar radiation have stressed the corn crop in areas throughout northern Illinois to the point of kernel abortion, causing ear tip-back. Moving past the milk (R3) stage, and into the dough stage (R4), stress will only limit yield through a reduction in kernel weight, and not kernel abortion. Photo taken near Earlville, Ill.

Virg Robinson What do the Final Numbers Mean?
Virg Robinson, DuPont Pioneer market analysis manager, provides his perspective of the final numbers calculated following the Midwest Crop Tour.




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