3 MIN READ
How to Perform a Root Dig
July 30, 2022
The best way to assess the potential damage done to your corn roots is by performing a root dig. The amount of node damage found from the root dig can help you determine what adjustments to make to your insect management plan next season. Below is the step-by-step process of how to properly perform a root dig.
Dig Up the Roots
You want to select five consecutive roots from four different areas in your field to properly assess the damage potential. During the first step, make sure to leave a 1-by-1-foot cube of soil around the root.
Remove Roots From the Soil
The second step is to extract the roots from the soil. Once you have the roots removed, you can chop off the top of the plant and use what remains as a handle to carry the roots.
Soak and Wash the Roots
Shake loose any excess soil from the roots before soaking. Next, dunk the roots into a bucket of water for two to five minutes to rinse away more of the remaining soil. If there are corn rootworm larvae present within the roots, they will float to the top of the water.
After soaking, spraying the roots with a hose or pressure washer will remove the remaining soil trapped in the roots.
Rate and Evaluate Node Damage
Finally, assess the potential damage. Node damage is rated on a node injury scale of 0-3, with 0 meaning no damage and 3 meaning three or more nodes have damage from root feeding.
Types of Damage to Look For
When looking at the roots, be sure to look for discoloration, scarring and channeling where corn rootworm feeding may have occurred.
Plan for the Future
If you find corn rootworm damage to your roots, it’s important to keep in mind that there is no known rescue treatment once damage has taken place. With the knowledge gained from this season’s root dig, you can now make adjustments to next season’s insect management plan. By planting SmartStax PRO with RNAi Technology the following season, you can rest assured you are protected against corn rootworm all season long.
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No dicamba may be used in-crop with seed with Roundup Ready® Xtend Technology, unless and until approved or specifically permitted, and no dicamba formulations are currently registered for such use in the 2024 season. Please follow www.roundupreadyxtend.com/xtendimaxupdates for status updates
Based on Court ruling and EPA Existing Stocks Order* on XtendiMax® Herbicide registration, Bayer has stopped its sale and distribution of XtendiMax® Herbicide. Visit our XtendiMax herbicide updates page to learn the latest www.roundupreadyxtend.com/xtendimaxupdates.
*Low-volatility dicamba products subject to the ruling include XtendiMax® herbicide with VaporGrip® Technology, Engenia® herbicide and Tavium® Plus VaporGrip® Technology herbicide.
The Preceon™ Smart Corn System, including short stature corn developed through traditional breeding, is expected to be available, subject to final commercialization decisions, for planting in the 2024 growing season.
Short stature corn developed through biotechnology is not currently available for commercial sale or commercial planting. Commercialization is dependent on multiple factors, including successful conclusion of the regulatory process.
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XtendiMax® herbicide with VaporGrip® Technology has been classified as pesticide and must be used with VaporGrip® Xtra Agent (or an equivalent volatility reduction adjuvant). For approved tank-mix products (including VRAs and DRAs), nozzles and other important label information visit XtendiMaxApplicationRequirements.com. Applicators must check XtendiMaxApplicationRequirements.com no more than 7 days before application of this product for additional labeling, including state restrictions. Where applicable, users must comply with additional requirements found on this website.
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ALWAYS READ AND FOLLOW PESTICIDE LABEL DIRECTIONS. FOR COTTON TREATED FOR MARKET YEAR 2024, EACH ACCELERON® SEED APPLIED SOLUTIONS OFFERING is a combination of separate individually registered products containing the active ingredients: BASIC Offering: fluoxastrobin, prothioconazole, metalaxyl, myclobutanil, and penflufen. STANDARD Offering: fluoxastrobin, prothioconazole, metalaxyl, myclobutanil, penflufen, and imidacloprid. ELITE plus Copeo® Offering: fluoxastrobin, prothioconazole, metalaxyl, myclobutanil, penflufen, imidacloprid, and fluropyram.
FOR COTTON TREATED FOR MARKET YEAR 2022 OR PRIOR, EACH ACCELERON® SEED APPLIED SOLUTIONS OFFERING is a combination of separate individually registered products containing the active ingredients: BASIC Offering: fluxapyroxad, pyraclostrobin, metalaxyl, and myclobutanil. STANDARD Offering: fluxapyroxad, pyraclostrobin, metalaxyl, myclobutanil, and imidacloprid. ELITE plus Poncho®/VOTiVO® Offering: fluxapyroxad, pyraclostrobin, metalaxyl, myclobutanil, imidacloprid, clothianidin, and Bacillus Firmus I-1582.
Please review each seed tag to determine active ingredients in the product offering on the seed. The distribution, sale, or use of an unregistered pesticide is a violation of federal and/or state law and is strictly prohibited. Not all products are approved in all states.
ALWAYS READ AND FOLLOW PESTICIDE LABEL DIRECTIONS. FOR SOYBEANS SEED TREATMENT PRODUCTS APPLIED DOWNSTREAM, EACH ACCELERON® SEED APPLIED SOLUTIONS OFFERING is a combination of separate individually registered products containing the active ingredients: BASIC Offering: metalaxyl, penflufen and prothioconazole. STANDARD Offering: metalaxyl, penflufen, prothioconazol and imidacloprid. FOR UPSTREAM TREATED SOYBEANS, EACH ACCELERON® SEED APPLIED SOLUTIONS OFFERINGis a combination of separate individually registered products containing the active ingredients: BASIC Offering: metalaxyl, fluxapyroxad, and pyraclostrobin. STANDARD Offering: metalaxyl, fluxapyroxad, pyraclostrobin and imidacloprid. The distribution, sale, or use of an unregistered pesticide is a violation of federal and/or state law and is strictly prohibited. Not all products are approved in all states.
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