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Angie Peltier


Angie Peltier
Former Extension Educator, Commercial Agriculture



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Hill and Furrow

Current topics about crop production in Western Illinois, including field crops research at the NWIARDC in Monmouth.
Figure. Brian Mansfield, NWIARDC Research Agronomist,  programming the combine computer to collect yield,  moisture, and test weight data.

Farewell to Research Agronomist Brian Mansfield

Posted by Angie Peltier -

Brian Mansfield, the Northwestern Illinois Agricultural Research and Demonstration Center's Research Agronomist, last day was today. He is leaving to take a job closer to his home farm in Greene County and will be missed....

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Figure. Herbicide injury symptoms on corn at the Northwestern IL Ag R&D Center in May, 2016.
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Cold, Cloudy, Wet Weather May = Herbicide Injury in Corn in 2016

Injury symptoms on corn plants. While passing by on the way to plant a bulk soybean field on Tuesday, personnel at the Northwestern Illinois Agricultural Research and Demonstration Center (NWIARDC) noticed that plants in one of the center's corn fields didn't look so hot ( Figures ). The crop was planted on April 16 and sprayed on April 25 before emergence....

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Figure. Black cutworm. Note the small, black dagger-shaped marking on each outer wing.
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Black Cutworm Flights Not 'Following the Rules' in 2016

Posted by Angie Peltier - Insects

In cooperation with Kelly Estes of the Illinois Natural History Survey, every April personnel at the Northwestern Illinois Agricultural Research and Demonstration Center (NWIARDC) maintain a pheromone trap to monitor black cutworm (BCW) moths. Pheromones, or the sex hormones that are produced by female BCW moths, are impregnated into small rubber lures that are placed in the center of a sticky...

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Figure. Uneven crop development and poor populations were observed in corn plots planted on March 8, 2016.
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March 8 corn planted at either 1.5, 2.0, 2.5 or 3.0 inches deep – Effects on crop development and population

On May 17, Ryan Farmer, a student hourly worker at the Northwestern Illinois Agricultural Research and Demonstration Center (NWIARDC) collected stand count data from a demonstration trial that had been planted more than 2 months earlier. On an unseasonably warm March 8 day NWIARDC personnel decided to see just how wise it is to plant that early in the Monmouth area. Needing to calibrate...

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Figure. Raised, black ascoma characteristic of tar spot of corn (photo source: Russ Higgins, University of Illinois Extension).
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Corn Disease Update - Tar Spot

Posted by Angie Peltier - Disease

This article was also submitted to the Illinois AgriNews by Angie Peltier and Russ Higgins, University of Illinois Extension Educators: Last September tar spot, a corn disease that had not been previously found in the continental US, was confirmed in corn samples collected in Indiana and in several northern Illinois counties.This disease occurred late enough in the growing season t...

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Figure. Photo taken on May 10 of corn that had been planted on April 5 in a planting date trial at the NWIARDC.
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Planting and Crop Progress

State and Region. According to the USDA's National Agricultural Statistics Service corn planting and emergence and soybean planting in Illinois have progressed faster than the running 5-year average (2011-2015, Figure). Similar to in 2015, the nine counties that make up the western Illinois crop reporting district lead the state in both corn and soybean planting, with 94 percen...

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