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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. Small black specks (pycnidia) can help in diagnosing Diplodia ear mold.
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Scouting shouldn't end until after harvest

Scouting is a season-long commitment, beginning before planting (measuring soil temperature and assessing condition), continues after planting (assessing plant stands and then scouting for disease, insect and weed pressure) only ending after the crop has been harvested. Late season scouting of corn can include monitoring kernels for maturity (black layer) and moisture content and checki...

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Figure. Symptoms of Physoderma brown spot typically occur in bands.

Making informed foliar fungicide decisions = scout before tasseling time

Posted by Angie Peltier - Disease

Foliar fungicides in corn - a historical perspective. From the early 1970's through the mid-2000's, when prices averaged close to $2 per bushel and corn was considered a lower value crop, producers worked to minimize all but the most essential inputs. Between 2010 and 2012, when corn prices reached historic highs, producers may have considered additional inputs. While many prod...

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Figure. Japanese beetles feeding on corn silks at the Northwestern Illinois Ag R&D Center in Monmouth.
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They're baaaack! Scouting tips and thresholds for Japanese beetles.

Posted by Angie Peltier - Insects

When applying post emergence herbicides in several of the Northwestern Research Center's soybean fields over the last week or so, research specialist Marty Johnson noticed large clusters of Japanese beetles feeding on volunteer corn plants. When one beetle lands to feed it tends to attract a lot of friends and mates ( Figures ). Japanese beetle ID. Japane...

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Center Field Day - July 26, 8 AM

Join personnel from the Northwestern Illinois Ag Research and Demonstration Center for their 36th annual field day on July 26. Buses will leave the research center (321 201th Ave, Monmouth) at 8 AM sharp and travel to different stops where researchers will discuss their research at the center. Presentati...

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Figure. Your Hill and Furrow blog author for the last 6 years, Angie Peltier.

Changes coming to Hill and Furrow

Posted by Angie Peltier -

Since the Hill and Furrow blog began in April 2012, a conscious effort has been made to keep its author (me) in the shadows so as to not distract from article content. However as Friday, June 23 will be my last day at University of Illinois Extension, major changes will be coming to the Hill and Furrow. I'd like to thank the blog's loyal subscribers and encourage you to not unsu...

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Figure. Foliar symptoms of bacterial leaf streak showing long lesions with wavy margins and halo visible with backlighting.  Photo courtesy of Scott Schirmer Illinois Department of Agriculture, State Plant Regulatory Official.

Keep an eye out for bacterial leaf streak in corn

Posted by Angie Peltier - Disease

Last growing season (2016) a new corn disease called bacterial leaf streak (BLS) was confirmed in Illinois for the first time in DeKalb County. Symptoms of BLS include narrow yellow, tan, brown or orange lesions with wavy margins that occur between and along leaf veins (Figure). While symptoms of this disease were observed in Nebraska as early as 2014, it took scientists several years t...

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Figure. Corn growth after different planting dates on May 18, 2017.
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Following Crop Development in a Corn Planting Date Trial

You might have always wondered whether there was some way to estimate when your corn crop is likely to reach the silking and black layer growth stages. Well you might just be in luck if you gather the following information about a particular corn hybrid (when it was planted, where it was planted, its estimated days to maturity) and use any internet browser to visit...

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