Growth Regulator followed by monsoon rain! Argh!

chalaph · Post by **chalaph** » July 18th, 2014, 8:24 am

Hey all. I'm new to these forums.

Yesterday after work I mixed up some t-pac growth regulator (1/4oz in 2gal/1000sq ft) and sprayed my bermuda lawn. This was my first ever application of growth regulator. Anyhow, we had a "slight" chance of rain, but apparently God had other plans. About 30 min after finishing I started to get a light rain. It stayed light for approx 1 hour, then the heavens opened up. Woke up this morning and checked all my rain gauges to find I got 4.8" of rain.

Is my application wasted? How long should I wait before doing this treatment again?

Thanks in advance!

[ Post made via Android ]

Michael Wise · Post by **Michael Wise** » July 18th, 2014, 10:19 am

You'll be fine.

Back when I first started using it and didn't know if it would burn in the middle of the summer, I would water on purpose after about 30 minutes.

Label calls for an hour before rain fast, but a lot of the active ingredient is taken up by the grass in a 1/2 hour.

Obviously leaving it on longer would be "better", but if ALL the time I had was a 1/2 hour window to spray or it wouldn't get done, I would have no problem going ahead with application.

You'll be regulated. Post back when you're afraid you broke your grass because you're barely having to mow.

Sent from my iOS device using the Yard Help App

Sixohh · Post by **Sixohh** » July 18th, 2014, 11:07 am

This season has definitely been interesting to say the least.

MW, so what you are saying is he shouldnt be so worried about "wash"? that's good for him if it takes it that fast

gtnike · Post by **gtnike** » July 18th, 2014, 1:39 pm

OK, so I am guessing "growth regulator" is something to slow the growth of bermuda in the summer? Isn't that counter-productive?

turf_toes · Post by **turf_toes** » July 18th, 2014, 1:57 pm

gtnike wrote:OK, so I am guessing "growth regulator" is something to slow the growth of bermuda in the summer? Isn't that counter-productive?

It only stops top growth.

Sent from my iOS device using the Yard Help App

Michael Wise · Post by **Michael Wise** » July 18th, 2014, 2:04 pm

gtnike wrote:OK, so I am guessing "growth regulator" is something to slow the growth of bermuda in the summer? Isn't that counter-productive?

It depends.

If you want the growth regulated, then no, its not counter productive.

If you don't want the growth regulated, then yes, it would be counter productive.

Sent from my iOS device using the Yard Help App

chalaph · Post by **chalaph** » July 18th, 2014, 4:08 pm

Thanks for the input. I feel much better knowing I didn't waste my time and product. Enjoying the forum thus far.

complacent_one · Post by **complacent_one** » July 18th, 2014, 4:53 pm

MW is not kidding...when I first put applied TPac...i went from mowing at 1/2" almost every day to every 3-4 days... Just keep an eye out for springback....for some reason it does not ease back into top growth...it comes back like a slingshot!! I have that Celcius WG when you are ready....

chalaph · Post by **chalaph** » July 18th, 2014, 4:56 pm

HA! I didn't want to harass you with EVERY question I have. I ask my employees to be resourceful... it's good form to follow my own advice.

I'll stop by this evening and pick up some Celsius. Thanks John!

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