cropCENTRAL | Field Crop Production Resources

Residual Soybean Herbicides Applied Postemergence

  • May 7, 2020

Soil-residual herbicides are important components of integrated weed management programs.  Reducing the number of weeds exposed to foliar-applied herbicides helps reduce the selection intensity for weeds resistant to foliar-applied herbicides.  Residual herbicides applied with postemergence soybean herbicides also can reduce the need for a second postemergence application.  However, simply applying a soil-residual herbicide does not guarantee the product will provide the desired level or duration of weed control.  Many edaphic and environmental factors influence the level of weed control achieved by soil-residual herbicides.…

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Replanting corn and soybeans

  • May 6, 2020

Both corn and soybean planting progressed at about normal speed into May, with 56 percent of the Illinois corn crop and 31 percent of the Illinois soybean crop planted by May 3. Unfortunately, the period of warmer, drier weather we have been hoping for has not yet materialized.
Over the ten days through May 5, about two-thirds of Illinois has gotten from 3 to more than 6 inches of rainfall. Temperatures have not cooperated very well,…

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Wheat disease updates in Illinois

  • May 6, 2020

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

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

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

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

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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