Soybean Seed Treatment Benefits

Early season diseases and soil insects can have detrimental effects on soybean seeds and seedlings. Insecticide and fungicide seed treatments can help maximize emergence and desired populations by protecting the seed and seedlings from injury. Also, inoculants and other agricultural biological products may improve nitrogen (N) fixation and increase the availability of other soil nutrients.

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Acceleron® Seed Applied Solutions for soybean offer both insect and disease protection and promote improved plant health through more rapid and increased emergence of seedlings under suboptimal soil conditions.

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Acceleron® Fungicide Seed Applied Solutions for soybean use an exclusive fungicide combination of fluxapyroxad, pyraclostrobin, and metalaxyl to protect seedlings from Rhizoctonia, Pythium, Fusarium, and early- season Phytophthora. Fluxapyroxad adds an additional fungicide mode of action for more complete, consistent protection from Rhizoctonia and Fusarium.

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Acceleron® Insecticide Seed Applied Solutions for soybean include imidacloprid, which provides protection from early-season soybean aphids and bean leaf beetles.

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Poncho®/VOTiVO® can be paired with Acceleron Fungicide Seed Applied Solutions for soybean for an additional mode of action to protect against a wide range of nematode species including soybean cyst nematode (SCN). In addition, an elevated rate of clothianidin in Poncho/VOTiVO offers improved control of grubs along with other secondary pests.

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ILeVO® seed treatment protects soybean root systems against the fungus that causes Sudden Death Syndrome (SDS). When combined with Poncho/VOTiVO, the two products provide control of nematodes, insects, and the SDS fungus. Soybean growers with a history of SDS are encouraged to try ILeVO treated seed. Management of SDS should include an integrated approach of Poncho/VOTiVO + ILeVO®, resistant products, and cultural practices, such as reducing compaction.

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Nitrogen Fixation. Soybean plants produce or fix nitrogen (N) in root nodules due to their ability to live in a symbiotic (mutually beneficial) relationship with a specific rhizobial bacteria, Bradyrhizobium japonicum.3 The rhizobia “fix�? nitrogen from the air into ammonia, which can be used by the soybean plant.

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In order for nodules to form and produce N, the soil must contain a healthy supply of rhizobia. Consider using rhizobium inoculants in first time soybean fields or fields that have not been planted to soybean for several years. In addition, fields that were flooded the previous year may benefit from rhizobia inoculants as beneficial rhizobia populations may have declined under those situations. Indiana studies indicate that yield potential may be increased by using B. japonicum seed inoculants in a corn-soybean rotation.3

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Monsanto BioAg™ offers seed or soil inoculants that grow with or in association with plant roots to improve access to and use of nutrients. These products include nitrogen-fixing microbial inoculants and phosphate-solubilizing microbial inoculants.

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    Figure 1

    Figure 1. QuickRoots® product performance for soybean (results from 8 years of replicated small plot trials).

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  • TagTeam® & TagTeam® LCO. TagTeam is a dual-action product for soybean and other legume crops that combines rhizobia (for increased nitrogen fixation) with Penicillium bilaii, (for improved phosphate availability). TagTeam LCO is a triple-action product that includes the additional benefit of the LCO molecule for improved nodule formation.
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  • Optimize®. Dual-action product for soybean and other legume crops that combine nitrogen-fixing rhizobia with the LCO molecule for improved nodule formation.
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  • Cell-Tech®. Single-action nitrogen-fixing inoculant for soybean and other legume crops.
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  • CUE®. A seed-applied product that attracts mycorrhiza fungi to the roots and stimulates the growth of beneficial microbes including mycorrhiza and rhizobia. The additional mycorrhiza enhance nutrient availability and/or uptake through the roots.
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  • QuickRoots®. A microbial seed inoculant for multiple crops for improving the availability of nitrogen, phosphorus, and potassium. The biologicals in this product help to release nutrients in the soil making them more available to the plant. Product trial results for soybean are shown in Figure 1.