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Message
re: When are you applying your pre emergent?
Posted on 9/17/20 at 1:11 pm to HowboutthemTigers
Posted on 9/17/20 at 1:11 pm to HowboutthemTigers
quote:
HowboutthemTigers
Yes - that product. If you are in BR, SiteOne Landscape Supply sells it at the cheapest price at about $100 per bottle, but as we say often on this board you’ll likely get 4 to 5 years out of a single bottle so the overall cost is likely $20 to $ 30 per year - much cheaper than many other lawn products we buy. Celsius is too good of a herbicide, with no temperature restriction, not to have and use.
quote:
What granular fetilizer for centipede do you suggest i put down this fal
None - you are done with fertilizing centipede for the year. You could put down a 0–0-60 potassium “winterizer” but I’d have my lawn soil tested by the LSU AgCenter first to see If you have a potassium deficiency.
Now I would suggest you consider putting down a pre-emergent herbicide to reduce the incidence of winter weeds - prodiamine or dimension. If you are in BR - I’d apply that in the next two weeks.
This post was edited on 9/17/20 at 1:46 pm
3
Posted on 9/17/20 at 1:28 pm to CrawDude
you're the man - Thanks so much Crawdude.
Ill apply the Celcius in the next week or so.
Will apply the prodiamine in 2 -3 weeks!
Ill apply the Celcius in the next week or so.
Will apply the prodiamine in 2 -3 weeks!
Posted on 9/17/20 at 7:09 pm to CrawDude
“Cool” front coming tomorrow here, got some atrazine left over. Can I spot treat St Aug safely?? Temps below 85
Posted on 9/17/20 at 7:37 pm to LSUEnvy
quote:
Cool” front coming tomorrow here, got some atrazine left over. Can I spot treat St Aug safely?? Temps below 85
According to the label LINK it states not to apply if temps exceed 90 F, so this indicates you should be safe, particularly if spot spraying but get the input of a few others on the board.
Posted on 9/17/20 at 9:26 pm to LSUEnvy
What weed are you targeting with atrazine in late summer? Do you have other weed control options?
Posted on 9/17/20 at 10:11 pm to ronk
I pulled this up. Seems to be long runners. Virginia buttonweed?
Posted on 9/18/20 at 6:41 am to LSUEnvy
quote:
Virginia buttonweed?
Definitely
Posted on 9/18/20 at 7:38 am to CrawDude
How are you guys spraying Celsius, I'm guessing with a boom sprayer? Also do you spray the whole yard or just spot treat for the weeds?
Reason I'm asking is because I've been having a big problem lately with VBW and other weeds popping up (lespedeza, doveweed, etc) and have been spot treating with MSM turf (even though MSM doesn't work for doveweed). It knocked the VBW back a good bit bit still notice it popping up in other spots. Also I'm starting to have some really thin grass where the VBW was I'm guessing because it was choking the St. Augustine out. Also worried about the MSM turf doing more damage than good. Thinking about buying a bottle of Celsius of next spring and go that route.
Reason I'm asking is because I've been having a big problem lately with VBW and other weeds popping up (lespedeza, doveweed, etc) and have been spot treating with MSM turf (even though MSM doesn't work for doveweed). It knocked the VBW back a good bit bit still notice it popping up in other spots. Also I'm starting to have some really thin grass where the VBW was I'm guessing because it was choking the St. Augustine out. Also worried about the MSM turf doing more damage than good. Thinking about buying a bottle of Celsius of next spring and go that route.
This post was edited on 9/18/20 at 7:39 am
Posted on 9/18/20 at 8:41 am to LSUEnvy
quote:
LSUEnvy
Yes VBW. I wouldn’t use atrazine alone, mixed with a Fertilome Weed Free Zone, is effective for VBW, but I still think it’s to hot/risky for that application. MSM or Celsius would be better choices for controlling the VBW.
Posted on 9/18/20 at 8:55 am to RedBeardBaw
quote:
I'm guessing with a boom sprayer
Yes (pump sprayer, handheld or backpack)
quote:
Also do you spray the whole yard or just spot treat for the weeds?
Both, but usually in my case spot spraying.
quote:
popping up (lespedeza, doveweed, etc) and have been spot treating with MSM turf (even though MSM doesn't work for doveweed).
Celsius is very effective against Doveweed (my major summer weed issue now) and lespedeza. VBW always takes multiple sprays, at least in my experience. Learn to ID it when young (before white flowers are produced) and spray it when when it emerges when possible - you get more effective control.
quote:
Thinking about buying a bottle of Celsius of next spring and go that route.
Do that - it’s a good investment, it will last multiple years, so although the upfront price is high, the annual cost is really no higher than many other off-the-shelf herbicides you might buy a few times a year.
Posted on 9/18/20 at 9:27 am to CrawDude
quote:
CrawDude
Posted on 9/18/20 at 9:43 am to CrawDude
Are we supposed to wait until the soil is actually below 70 before we apply or just on the way down to 70 in a few weeks? Also, is that 70 a daily average or just a low? I'm seeing BR today is an 80 average but everyone is saying to apply in the next couple of weeks.
Posted on 9/18/20 at 10:02 am to OysterPoBoy
quote:
Are we supposed to wait until the soil is actually below 70 before we apply or just on the way down to 70 in a few weeks? Also, is that 70 a daily average or just a low? I'm seeing BR today is an 80 average but everyone is saying to apply in the next couple of weeks.
Honestly, i just follow the recommendation by Dr Ron Strahan, Weed extension specialist and professor, LSU AgCenter - he’s recommending mid-Sept (N LA) to late Sept (S LA), and I’m sure there is a bit of cushion in his recommendation so that you apply it before the vast majority of Poa annua seeds begin to germinate - soil temp of 70 F. He can’t predict weather either. Best to apply it early and make a second application in Nov if you think it necessary.
Once Poa germinates it might be a little difficult to control - it’s becoming herbicide resistant. Why take the chance - err on the side of applying it too early than applying it too late.
My delivery of Prodiamine 65WDG just arrived at the house this morning. I’ll apply it this weekend or early next week - Baton Rouge. My plan is to make a second application - Simazine in early/mid-Nov.
This post was edited on 9/20/20 at 3:43 pm
Posted on 9/18/20 at 10:07 am to CrawDude
Gotcha, so the idea is to get it down before 70 but not too early where it would be wasted. That makes sense. I'll probably do middle of next week. I saw somewhere else that it's best to do it a couple of days after cutting but not sure if that really matters.
Posted on 9/18/20 at 11:16 am to OysterPoBoy
quote:
Gotcha, so the idea is to get it down before 70 but not too early where it would be wasted.
Right
quote:
I saw somewhere else that it's best to do it a couple of days after cutting but not sure if that really matter
I think that largely applies more to post-emergent herbicides, but whatever pre-emergent you use, just follow the label directions, you may want to water it in within a couple days after application if no rain is in the forecast.
Posted on 9/18/20 at 2:23 pm to CrawDude
Next 5 days have highs in 70s and lows in the 60s in BR area. Might be wise to get this down sooner than later.
Posted on 9/18/20 at 2:28 pm to MikeD
quote:
Next 5 days have highs in 70s and lows in the 60s in BR area. Might be wise to get this down sooner than later.
Agree - plus a little rain to water it in.
This post was edited on 9/18/20 at 2:41 pm
Posted on 9/19/20 at 9:35 am to CrawDude
Can I spray prodiamine today while it's drizzling? Anyone see a problem with this?
Posted on 9/19/20 at 10:06 am to LEASTBAY
quote:
Can I spray prodiamine today while it's drizzling? Anyone see a problem with this?
???? - it needs to be watered in anyway. Very light drizzle I would speculate to be OK
Posted on 9/19/20 at 11:15 am to CrawDude
Any problems spreading dimension when the yard is wet? I don’t know if it will dry up in the next few days. I didn’t see anything on the label about it.
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