Weed Control In Sunflower Fields

You have three major options with weed control in sunflowers. You can either you can till or hoe between the rows, you can use chemicals, or you can use a Clearfield sunflower variety in combination with specific chemicals.

What can you spray on sunflowers to kill weeds?
Do sunflowers kill weeds?
What herbicide can be used on Clearfield sunflowers?

What can you spray on sunflowers to kill weeds?

An aerial application of post-emergent herbicide must be used. Peredovic, Argentine and most other sunflower varieties can be sprayed to control post-emergent grasses using herbicides such as Poast Plus or Select. These should be mixed with its associative crop oil or other type of surfactant recommended on the label.

Do sunflowers kill weeds?

Weeds and sunflowers, as with any other plant in the garden, are always in competition. In order to gain the growing advantage, sunflowers contain chemical compounds that inhibit the germination and growth of other seedlings in the growing area. ... Allelopathic sunflowers can actually help suppress weed growth.

What herbicide can be used on Clearfield sunflowers?

Therefore, maintaining sunflower weed free for the first three to four weeks after planting will minimize yield losses from weeds.

Pre-emergence Herbicides.
Postemergence Herbicides.
Imazamox (Beyond) is labeled for use only in Clearfield sunflower hybrids.