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Agronomy

Dandelion Control

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Dandelion

Ask growers which weeds frustrate them the most, and it’s never long before dandelions enter the conversation. There are actually several different types of dandelion. Some types produce a lot of seed and are more common in cropped areas. Lower seed-producing types are more common in pastures and turf. Either way, they have deep taproots and are hard-to-control.

One dandelion plant can produce over 20,000 seeds. Therefore, it’s best to control them with a systematic approach prior to going to seed.

Control Dandelions Quickly

Take dandelions out of the equation as early as possible, ideally before you even plant your crop. Unfortunately, in a pre-seeding burnoff, dandelion is one of those tough weeds that often seem to shrug-off a straight glyphosate application.

Don’t Just Burn Off Tops, Get Herbicide Into Roots

Dandelions are like a number of weeds that are best controlled in an out-of-crop application. It’s best if the herbicide is translocated down in the root system along with sugars in the fall when the weed begins to prepare itself to survive the winter. If you don’t get them in the fall, then an early spring application is definitely in order.

Eastern Canada

In some situations, adding an additional mode of action can complement the effectiveness of glyphosate substantially.

For everything from no-till to min-till to vertical tillage, a pre-plant glyphosate treatment provides valuable control of perennials and winter annuals that may be present. Adding a residual herbicide at the same time extends the weed-free period and can eliminate a second pass with the sprayer in some cases.

Classic™ herbicide shows strong performance in keeping dandelion at bay for extended periods, even into the following spring which is really beneficial for growers who no-till wheat directly into IP soybean stubble.

Diligent™ tank-mixed with glyphosate will give you that same outstanding dandelion control, plus Eastern black nightshade and herbicide resistant (triazine and Group 2) pigweeds and lamb’s-quarters.

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