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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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Weeds and Their Management in 2020

  • February 5, 2020
  • Aaron Hager

No sooner have many unpleasant memories of the 2019 growing season begun to fade than we find ourselves looking ahead to contemplating potential residual weed management challenges in 2020.
Winter Annual Weed Species
Delays in planting the 2019 crop often accompanied delays in controlling existing stands of winter annual weeds prior to planting.  The obvious and unwelcome result was that seed production by winter annual species likely was a high in 2019 as any spring in recent memory. …

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2020 Weed Control Guide Now Available

  • January 23, 2020
  • Aaron Hager

The 2020 Weed Control Guide for Ohio, Indiana and Illinois contains 223 pages of weed management information, including weed response ratings for corn and soybean herbicides.  Information and recommendations for managing weeds in small grains and forages is included, along with specific information about and control recommendations for several problem weed species.  Printed and pdf versions of the 2020 weed control guide are available at: https://extensionpubs.osu.edu/2020-weed-control-guide-for-ohio-indiana-and-illinois/
 

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General information on plant disease management

  • January 20, 2020
  • Nathan Kleczewski

We have posted some new materials (along with cool visual aids) on basics of integrated disease management.  Hopefully this information will be useful to you during this busy meeting season.  Click here to view this post.
 
Remember you can sign up for updates to the Illinois Field Crop Disease Hub
Dr. Nathan Kleczewski Extension Field Crop Pathologist UIUC…

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