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TigeRoots
New Orleans Saints Fan
Member since Oct 2008
6999 posts

re: When are you applying your pre emergent?
Ha, I figured it may be a dumb question but I had to ask. Thanks!


WPBTiger
USA Fan
Parts Unknown
Member since Nov 2011
20357 posts

re: When are you applying your pre emergent?
quote:

If there is an easier and better way than this, I’d like to hear it as well. Ditto goes for backpack sprayers.


I put my MSM in a gallon jug and mixed it and then put in my backpack sprayer and toped it off with water.


tilco
Auburn Fan
Spanish Fort, AL
Member since Nov 2013
11077 posts

re: When are you applying your pre emergent?
5 day avg is 71 for me. I’m gonna put some down this week before a rain.

Lowe’s had “crab-ex” (dithiopyr) in 10 lb bags for $14. I bought two. I have 7500 sq ft. Can I just put all 20 lbs out or is that too much?

This post was edited on 10/6 at 7:52 pm


s14suspense
USA Fan
Baton Rouge
Member since Mar 2007
14249 posts
 Online 

re: When are you applying your pre emergent?
I put the granules in the strainer of the backpack sprayer and fill from faucet from there. No clue if it totally mixes.


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CrawDude
LSU Fan
Baton Rouge
Member since Apr 2019
2552 posts
 Online 

re: When are you applying your pre emergent?
quote:

Lowe’s had “crab-ex” (dithiopyr) in 10 lb bags for $14. I bought two. I have 7500 sq ft. Can I just put all 20 lbs out or is that too much?

The application rate (lbs to apply per 1000 sq ft) will be provided on the bag’s label. Follow those instructions.
This post was edited on 10/7 at 6:47 am


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CrawDude
LSU Fan
Baton Rouge
Member since Apr 2019
2552 posts
 Online 

re: When are you applying your pre emergent?
quote:

Ha, I figured it may be a dumb question but I had to ask. Thanks!

Not a dumb question at all - I spent time yesterday internet searching a a self agitating back sprayer. Didn’t find one.

Water Dispersible Granules (WDG) as Prodiamine is don’t dissolve into the water - they are suspended - so ideally some agitation is required to keep them in suspension while spraying or they will settle out so you won’t get even distribution of the herbicide over the lawn without some agitation. Now at the end of the day if that makes a big difference I don’t know, but the label does state to agitate the herbicide solution while spraying for this reason.

When using the backpack sprayer I just jump up and down and shake from side to side while spraying every now and then. My wife and I’m sure my neighbors think I’m nuts - they ain’t half wrong.


jimbeam
USA Fan
University of LSU
Member since Oct 2011
65471 posts

re: When are you applying your pre emergent?
quote:

When using the backpack sprayer I just jump up and down and shake from side to side while spraying every now and then. My wife and I’m sure my neighbors think I’m nuts - they ain’t half wrong
Glad I’m not the only one. Shew


OysterPoBoy
LSU Fan
City of St. George
Member since Jul 2013
21239 posts

re: When are you applying your pre emergent?


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tilco
Auburn Fan
Spanish Fort, AL
Member since Nov 2013
11077 posts

re: When are you applying your pre emergent?
I was planning on putting my dimension out this weekend but now I’ve got a mole and armadillo problem. I’m gonna put out some of the 24 hour grub killer to try and get rid of their food source.

How long should I wait for pre emergent or can I do it all at once?


ronk
Member since Jan 2015
2365 posts

re: When are you applying your pre emergent?
All at once. Insecticide won't interfere with a herbicide. They will both need to be watered in so do it before the rain.


tilco
Auburn Fan
Spanish Fort, AL
Member since Nov 2013
11077 posts

re: When are you applying your pre emergent?
Thanks man, I was able to get it all down this afternoon and then an hour later we had a decent shower. Nice when it works out like that lol.
This post was edited on 10/8 at 4:11 pm


RealityTiger
LSU Fan
Geismar, LA
Member since Jan 2010
18251 posts

re: When are you applying your pre emergent?
Yup. Got mine down too. It was watered in quite nice last night. Threw down a bonus round of Humichar as well.


STLhog
Arkansas Fan
Nashville, TN
Member since Jan 2015
11128 posts

re: When are you applying your pre emergent?
Put down some pendamethalin a week ago after 5 straight days of 70 soil in Nashville and already getting a lot of crap popping up, looks like mostly clover and some odd onion/goose grass.

Just ordered some Barricade that should get here tomorrow. 5 day average is still at 68 here.

Smart to throw down the barricade prodiamine as well or should I Just wait until spring?


CrawDude
LSU Fan
Baton Rouge
Member since Apr 2019
2552 posts
 Online 

re: When are you applying your pre emergent?
quote:

Put down some pendamethalin a week ago after 5 straight days of 70 soil in Nashville and already getting a lot of crap popping up, looks like mostly clover and some odd onion/goose grass.

Just ordered some Barricade that should get here tomorrow. 5 day average is still at 68 here.

Smart to throw down the barricade prodiamine as well or should I Just wait until spring?


Doesn’t mean your pendamethalin isn’t working - sounds like you put it out a little to late. Needs to be applied before soil temps hit 70 not when they hit 70 F. But you still have many winter weeds seeds yet to germinate - not sure adding prodamine now will be of any benefit since you already put down pre-emergent, I’d be inclined to wait to spring. Better to err in applying too early than applying to late with pre-emergents. I know first hand the effects of applying to late.

Clover is a perennial so pre-emergent has little effect on it. Pretty late in the year for goosegrass to be germinating.


STLhog
Arkansas Fan
Nashville, TN
Member since Jan 2015
11128 posts

re: When are you applying your pre emergent?
Will wait it out, they're not that bad at this point but this is my first experience with pre-emergent.

Thanks Craw.


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ChocoLab
LSU Fan
Member since Aug 2017
116 posts

re: When are you applying your pre emergent?
I bought a Field King professional backpack sprayer that has paddles and does a great job agitating the liquids. Very comfortable, straps are padded. I love this sprayer


CrawDude
LSU Fan
Baton Rouge
Member since Apr 2019
2552 posts
 Online 

re: When are you applying your pre emergent?
quote:

bought a Field King professional backpack sprayer that has paddles and does a great job agitating the liquids. Very comfortable, straps are padded. I love this sprayer

I did see that Field King agitating unit when searching and bookmarked it on Amazon - 4.5/5 star rating with over 2000 reviews. Glad to hear you are happy with it. I was hoping to find a backpack sprayer that was both self agitating and battery operated if I decided to upgrade.


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