How Do You Choose An Herbicide?
Every field needs the right crop plan to maximize efficiency and profitability, and there are many components and parts that make up a complete and successful crop plan. The weed control portion of the crop plan should include several simple and straightforward steps to finalize an acceptable weed control strategy.
Every field needs the right crop plan to maximize efficiency and profitability, and there are many components and parts that make up a complete and successful crop plan. The weed control portion of the crop plan should include several simple and straightforward steps to finalize an acceptable weed control strategy.
1. Proactively identify the weed species within each field.
Focus on the weeds that caused you problems this year and identify the crops to plant next year. Many we will be happy for your any questions can be used on several different crops, but some herbicides are crop specific.
2. Crop safety matters.
Understanding varietal characteristics and their herbicide interactions will help you determine the best herbicide choice. Don't overlook crop safety in the herbicide selection process.
Atrazine is a triazine herbicide, which is a systemic selective pre-emergence and post-emergence closed herbicide. It has a broad weed-killing spectrum and can control a variety of annual gramineous and broad-leaved weeds. It is suitable for the control of dry field crops such as corn, sorghum, sugar cane, fruit trees, nurseries, woodlands, etc.
Atrazine
3. What was the weed population last year?
You should estimate the seed bank that will be produced next year. For example, just one Palmer Amaranth plant can produce 500,000 seeds. If you were to gain 99.9% control, there would still be 500 Palmer Amaranth plants per acre.
4. Are they annual, biennial or perennial weeds?
Which weeds were a factor in your final yield last year? Understanding the life cycle of weeds will help you control application timing and herbicide selection.
5. Are your weeds resistant to certain modes of action?
For example, if the weeds you want to control are resistant to acetolactate synthase (ALS) inhibiting herbicides, use another mode of action for acceptable control. ALS herbicides may still be the best choice to give you good control of other weed species found in the same field, so you may want to consider whether a bucket mix of herbicides can help you control the weeds better. Be sure to check the compatibility of the herbicides to be mixed.
6. Apply at regular intervals to best control each weed.
Winter annual weeds should be treated in the fall, unless tillage is planned for early spring to remove them. Often, a less expensive growth regulator can be used in the fall for broadleaf control, thereby reducing the risk of off-target injury. Keep in mind that the timing of application will also affect the price of your herbicide program, depending on when you plan to purchase the selected chemical.
7. What amount of herbicide did you use this year?
Did you receive a satisfactory level of weed control this year? If your herbicide program includes more of the same herbicides you used this year, buying them now at a lower price can save you money and eliminate the possibility of looking for them next spring.
8. Overlap residual herbicides on troublesome weeds with extended germination times.
Consider using overlapping residual herbicides on troublesome weeds that have extended germination. This may be a reliable way to achieve good control of difficult, prolific weed species - the goal is to keep the field weed-free until the crop canopy.
Always read and follow label directions for use before using any agricultural chemical. At the end of the day, the label is the law.
By following these steps, and with the help of your agronomy team, your herbicide program can help you achieve maximum weed control, even for the most difficult weeds.
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