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da.bees 12-31-2012 21:39:58 72.181.183.240 Report to Moderator

Hello Jack,I want to help with the broom weed. First let's make sure we are talking about the same plant,then we need to talk about your pasture land and soil moisture today and going foward. The weed I refer to is multi branched,woody with yellow flowers. To have a problem sever as you describe would normaly only occur in Southwest states only. That's a large place to treat based on information coming from a stranger but at least try a few acres. As you are aware,rainfall has everything to do with growth and growth pattern dictates how well control results are. I reccomend 2-4-d or dicamba in early spring (late march to may in north texas and south oklahoma). If you got adiqute rain in nov and dec,the plant has germinated. If rains are light or delayed until april there will be a light stand and at that point spraying isn't very effective nor will the broom be a big problem. The new plant's thumbnail size & shape multiple leaves lie flat to the ground from march to may,at which piont the plant develops and grows very rapid. Once the plant starts multiple limbs it's past window for good herbicide control. In a year with ideal growing conditions,you can see every spot missed by sprayer 2 months later. With vigurous growth 1/2 Lb 2-4-D per acre does fine. Identifieing the juvenile plant rosete is key to treatment. If you have cereal grain the herbicide will have no effect on it other than eleminate compitition. Vetch,clover,lespadiza and other lagumes will be wipped out. There are other options such as overstocking with sheep in spring or tillage if your primary grass is bermuda and you have no winter grazing crops. Shoot me an email if you have questions. [Reply]   [No Email]