"Permanent" herbicide

   / "Permanent" herbicide #1  

S854

Silver Member
Joined
Dec 5, 2017
Messages
218
Location
Helena, MT
Tractor
‘67 MF 135 Deluxe / ‘22 Kioti CK2610 HST/Bad Boy ZT Elite 54”
This is the best pic I have when we moved into our home 7 years back... there is some growth in the drive but it was manageable...


driveway.jpeg


I picture was taken today, after I mowed as close to the ground as I dare (don't wanna screw up Julie's zero turn)


IMG_1592.jpeg



There are other areas around our property which are also being taken over by the native vegetation, seldom used roads, turnarounds, front of the barn etc...

I've been using a mixture of 2-4d and Milestone to spot treat some invasive weeds... it works well on knapweed, houndstongue, thistle etc... but has little to no effect on the grasses/weed in our drive..

I purchased some Ortho Groundclear from Costco... sprayed the two gallons on the drive over the course of several weeks... you can see the results... $40 bucks wasted...

I tried the vinegar/salt/dishsoap concoction from YouTube... basically, the same results-- grasses turn brown for about a week then come back...

So I'm looking for suggestions for large area coverage which might make the ground sterile for more than a few weeks... wild guess is roughly 1/3 mile of road needs to be treated... there is no plant life along the road that I'm worried about if overspray is a concern...

One more thing: burning isn't an option due to dry grasses, wind and lack of available water
 
   / "Permanent" herbicide #2  
2-4-D with Roundup should do the job, unless your weed population has developed a resistance.

The one thing I would do in your scenario is to add in a pre emerge, I have good results with Goal, and switch out your chems every year, because sometimes, one herbicide will work better than another, for a particular kind of weed.

I don’t buy anything from retail box stores, they are expensive, and often diluted for weekend gardners
 
   / "Permanent" herbicide #3  
If I want permanent weed control. I use RM43.
Here in Michigan I mix 6 oz to a gallon water.
 
   / "Permanent" herbicide #4  
I use a mix of Remedy (triclopyr) and Roundup (glyphosate 42%.) 2-3 ounces of each per gallon of water in an ATV sprayer. Powerful stuff so be careful.
 
   / "Permanent" herbicide #5  
Last year I box bladed my gravel area and this year I’m just using round up. The best way is heavy traffic but obviously most people don’t get that. A couple things I learned is hard water makes roundup less effective. I’ve been adding ammonia sulfate to my water first and letting it sit a few minutes before dumping in my sprayer. Then I add a little surfactant.

I also have been using name brand roundup. It’s not because I think it’s better but when I calculated how much it made compared to the off brand stuff it was cheaper.
 
   / "Permanent" herbicide #6  
So, Arsenal (Ecomazapyr) should kill basically Everything, Pramitol is another soil sterilizer. Be careful you only spray area were you want Nothing to grow foe the next 3-12 months.
 
   / "Permanent" herbicide #7  
I cannot find an article to back me up, but I seem to remember some years back they changed the formula for ground clear. Used to make something called Triox that was for the same purpose, too.

Those products work more slowly than Glysophate but it lasts up to a year. I wonder if the new formula is a different chemical or just a different concentration.
 
   / "Permanent" herbicide #8  
Glyphosate (Roundup) and 2,4-d are contact herbicides. In other words, they have no residual (pre-emerge) activity.

Imazaypyr (Arsenal) and pramitol are more of a soil sterilant type herbicide.

RM43 is a pre mix of glyphosate and imazapyr. So, it will have contact and residual activity. I have mixed these two active ingredients and had good results.

The thing to keep in mind with soil sterilants is that they have a much greater potential to move in the soil with heavy rainfall. I have seen really bad results when these products are not used properly.

One of the benefits of glyphosate is that it is 100% neutralized the instant it touches soil. That's also why it does not work well when mixed in hard water, or dirty water, such as from a ditch, or when sprayed on plants that may be covered with dust, such as along a gravel road.

Imazapyr, pramitol and RM43 should be good products to use on a road to keep vegetation down for a longer time than glyphosate alone will.

Always read and follow the label of any pesticide, for best results.
 
   / "Permanent" herbicide
  • Thread Starter
#9  
After much reading (and quite a bit of handwringing) I’ve decided to give the RM43 a try this year… I’ll report on my findings …

Thanks for sharing your knowledge, thoughts and experiences
 
   / "Permanent" herbicide #10  
I was mixing RM43 on the outside bench near Star Jasmin...

Just mixing 16 gallons in proximity was enough for the mist to take out the Jasmin.

Years ago we used Triox on right of way with stellar results but no longer available here...
 

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