cropCENTRAL | Field Crop Production Resources

Wheat disease updates in Illinois

  • May 6, 2020

  • Nathan Kleczewski

Wheat development in most in Southern Illinois fields is between Feekes growth stage (FGS) 9-10.5.1. Wheat in the central portion of the stage varies from FGS 6-9.
Stripe rust was detected in Eastern Madison County as of 5.5.20, and conditions are favorable for disease development and spread.  This is a cool season disease that loves wet weather and temperatures in the high 40’s through the mid 60’s.  Fields should be scouted for the disease, keeping in mind that it often starts in small pockets,…

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A Review of Early-Season Weeds

  • April 13, 2020

  • Aaron Hager

Ample soil moisture and warming temperatures are promoting rapid growth and development of many early-season weed species.  Most weeds currently growing in fields emerged last fall and successfully overwintered (winter annuals, biennials or perennials), but several early-season summer annual species recently have emerged.  Existing weed vegetation should be controlled before planting by utilizing tillage, herbicides, or a combination of tactics so the crop can become established under weed-free conditions.
Field scouting to identify the weeds present and their relative densities will provide the information needed to tailor a burndown herbicide program for any particular field. …

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Wheat fungicide efficacy table available

  • April 10, 2020

  • Nathan Kleczewski

I have posted the wheat fungicide efficacy table for Illinois, as many will be making decisions soon.  Click here to view the post on the Illinois Field Crop Disease Hub.  Eventually I will not repost links from this site to the Bulletin, so make sure you sign up on that page for email updates!  Follow me on Twitter @ILplantdoc…

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Planting corn and soybeans in 2020

  • April 7, 2020

  • Emerson Nafziger

March rainfall in Illinois ranged from normal to a couple of inches above normal, but the last week of March and first week of April have been relatively dry, and field operations are getting underway. The April 6 NASS report indicates that there were 3.1 days suitable for fieldwork in Illinois during the week ending on April 5, but no planting was recorded. As is often the case in early April, soils are wet over most of the state.…

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New Plant Disease Post

  • April 5, 2020

  • Nathan Kleczewski

The Illinois Field Crop Disease Hub is has a new post on Pythium in #corn and #soybean.  Click here to view the article.  Remember that you can sign up for updates from the disease hub by entering your email on the main page!…

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Managing Nitrogen for Corn in 2020

  • March 24, 2020

  • Emerson Nafziger

As was the case a year ago, there have been limited opportunities to apply nitrogen fertilizer since last fall. Rainfall in Illinois through the first three weeks of March has been at or above average, and temperatures have been a few degrees above normal. Soils remain wet, and there is little in the current weather pattern to indicate that a drying period is on its way soon. Potential drying rates will increase as temperatures rise, though,…

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What foliar corn diseases are your biggest concerns?

  • March 17, 2020

  • Nathan Kleczewski

There are many diseases that can impact Illinois #corn production, and several are caused by pathogens that impact the foliage.  When foliage is damaged by pathogens, carbon and nutrient delivery to developing/filling grain can be reduced, limiting yields.  Examples of foliar diseases include grey leaf spot, northern corn leaf blight, southern and common rust, Diplodia leaf streak, bacterial leaf streak, Goss’s wilt, and tar spot.  Which foliar disease is the biggest issue for you?
To participate in a brief poll,…

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