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Choosing a Good Rotation for Chemical Storage (Tech Tip )
By Marla Faver, Syngenta Technical Services

Take control of your chemical inventory. It is very important to closely monitor inventory of your plant protection products so you can have access when you need them most.

Carefully plan the materials you may need in your chemical storage for the next growing season. A good inventory includes products that have efficacy over a broad range of pests and diseases. It's also useful to include materials that are host- and/or life cycle-specific.

Proper planning and rotational applications are necessary to maintain effective efficacy of plant protection products. Rotation of pest materials means using products with different modes of action (MOAs). Current product labels have resistance management instructions and should be carefully followed in regard to the number of consecutive applications before rotating to a material with a different MOA. A good chemical storage inventory should have materials from three-to-four different MOA groups with proven performance on common pests and diseases. Most labels include a number designation for the MOA of that product.

The following fungicides have strong efficacy on multiple diseases.

  • Daconil Ultrex® for control of Powdery Mildew, Botrytis, Rhizcotonia and Leafspots, such as Cercospora, Alternaria, Myrothecium.
  • Heritage® for control of Powdery Mildew, Botrytis and Leafspots, such as Cercospora, Alternaria, Myrothecium.
  • Palladium® for control of Powdery Mildew, Botrytis and Leafspots.

Each of these products is in a different MOA class, which allows them to be valuable assets in a fungicide rotation. In addition, Daconil, Heritage and Palladium provide prevention and control of a wide range of diseases that can cause problems in production.

As for insecticides, products such as Flagship® 25WG insecticide, which controls whitefly, scale, mealybug, fungus gnat and several other pests, would be a wise choice for the chemical shed. Another good tool to include is Avid® 0.15EC insecticide, which is effective on mites, leafminer, whitefly and thrips. Remember that an Avid application for mite control also provides control of leafminer and suppression of whitefly and thrips, which may all be an issue on the same crop. Some general insecticide rotations demonstrate the advantage of having products on your shelf that provide control over a broad range of pests.

When ordering pest and disease control materials for 2014, inventory the chemical storage shed and review chemical application records to ensure you order products that will create a sound pest resistance control program. Inspect your storage area throughout the year for container damage, and dispose of unwanted or outdated materials according to label recommendations.

Use the following chart for product recommendations and MOA information.

©2013 Syngenta. Important: Always read and follow label instructions. Some products may not be registered for sale or use in all states or counties. Please check with your state or local extension service to ensure registration status. Scimitar GC is a Restricted Use Pesticide. Avid®, Citation®, Daconil Ultrex®, Endeavor®, Flagship®, Heritage®, Hurricane®, Micora, Palladium®, Scimitar® and the Syngenta logo are trademarks of a Syngenta Group Company. Adept® is a trademark of OHP, Inc. Conserve® is a trademark of Dow AgroSciences. Decree® is a trademark of Arysta LifeScience North America Corporation. Duraguard® and Pylon® are trademarks of BASF. Terraguard® is a trademark of Chemtura Corporation. Tetrasan ® is a trademark of Valent USA Corporation. Truban® is a trademark of Everris. Sanmite® is a trademark of Nissan Chemical Industries, Ltd. Segway® is a trademark of FMC Professional Solutions.

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