Fall Weed Control In Pastures

The most common herbicides used for control of many broadleaf weeds in grass hay pasture this time of year are the plant growth regulator herbicides such as 2 4 d dicamba banvel clarity etc triclopyr products crossbow garlon etc and clopyralid stinger pasturegard etc.

Fall weed control in pastures.

If you are struggling with chickweed in grass hay or pasture a combination of dicamba plus 2 4 d will provide some suppression 70 80 control. Fall is a good time to treat for weeds such as cogongrass blackberries dewberries biennial thistles and chinese tallow trees. Leafy spurge and invasive thistles can be challenging to control in pasture and grasslands due to their extensive root systems says miranda meehan extension livestock environmental. P and k level increases also resulted in fewer weeds.

However some perennial weeds are effectively controlled by fall herbicide applications. As perennials prepare for the upcoming winter they move energy reserves from shoots to their perennial vegetative reproductive structures e g. Systemic herbicides applied at this time are translocated along with the energy. Early summer tends to be a primary time for weed control in pastures but fall can also be an appropriate time to manage certain weeds with a systemic herbicide in grass hay and pastures that have been mowed or grazed.

This tank mixture works better on chickweed in the fall compared to spring applications where it typically provides only about 50 60 control. In particular biennials such as common burdock and bull and musk thistles are much easier to kill while they are in the rosette stage of growth and prior to surviving a winter. Fall is the best time to control some notorious weeds in pastures and other grasslands according to north dakota state university extension specialists. If you use herbicides to control pasture weeds carefully think through the timing says bradley.