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Old 03-23-2014, 06:39 PM
grassmasterswilson grassmasterswilson is online now
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Imicloprid 0.5g on shrubs

Curious when you guys find is the best timing for preventing pest on shrubs. I want to take care of some scale on my crepe myrtles.

Is there a sign Mother Nature give to tell you when to start or do you have a set date?

How do you measure this out? 1.5 lbs per 1000 sqft comes to a very small amount per shrub. Seems on small shrubs if you figure 4 sqft per shrub that's only .1 oz per shrub.

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Old 03-23-2014, 10:28 PM
turfmd101 turfmd101 is offline
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I don't think you'll find Imicloprid 0.5g successful on scales.
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Old 03-24-2014, 06:46 AM
grassmasterswilson grassmasterswilson is online now
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Quote:
Originally Posted by turfmd101 View Post
I don't think you'll find Imicloprid 0.5g successful on scales.
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Oh. Was thinking I might get the same control with the granular vs the liquid soil drench.

I'm not in the shrub app business so mixing a bucket for each shrub based on height will take time. I don't have my equipment calibrated well enough to know if I spray for xx minutes I out out xx gallons of mix.

I've used safari in the past and sprayed shrubs til they were good and wet. But this did not control scale.
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Old 03-24-2014, 10:26 PM
windflower windflower is offline
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I've used 1% to control scale in pots and in the ground. According to my label for containers a 5 gal pot gets 4 1/2 to 9 tsp. 1 gal pot gets 1 1/4 to 2 1/2 tsp. These rates are for 1% G. Hope this helps.
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Old 03-25-2014, 02:17 AM
greendoctor greendoctor is online now
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Quote:
Originally Posted by grassmasterswilson View Post
Oh. Was thinking I might get the same control with the granular vs the liquid soil drench.

I'm not in the shrub app business so mixing a bucket for each shrub based on height will take time. I don't have my equipment calibrated well enough to know if I spray for xx minutes I out out xx gallons of mix.

I've used safari in the past and sprayed shrubs til they were good and wet. But this did not control scale.
That's surprising. On plants that have not been soil treated with imidacloprid, my get out of jail card is Safari as a foliar. Even better is Tri-Star. I apply those with an acidifying penetrating surfactant like LI 700.
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