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Old 09-20-2004, 10:35 AM
HazyDavy HazyDavy is offline
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Grub Problem

During my recent overseeding exercise I noticed quite a few grubs. I did put down Milky Spore in July, but that takes a while to work, and also only controls Japanese beetle grubs. Some of the grubs I've stumbled across don't appear to be Japanese beetle grubs. My question is, should I apply some sort of grub killer now, or wait until the spring? If the answer is to apply it now, what should I use that will be safe on my new grass, which is roughly about 3 inches high. I'll probably mow it for the 1st time either later this week, or next weekend.

Thanks in advance for your help.
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Old 09-20-2004, 01:19 PM
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Grassmechanic Grassmechanic is offline
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You can use Merit, Mach II, or any other insecticide labeled for grubs. However, for good control, you'll need to ID which grub you're going after to time the insecticide with the grubs growth cycle. Insecticides should not affect the turf negatively.
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Old 09-20-2004, 02:15 PM
HazyDavy HazyDavy is offline
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Thanks for the info. One more question, are any of these insecticides harmful to the earthworm or beneficial microbe population?
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Old 09-20-2004, 03:57 PM
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Hamons Hamons is offline
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Grub control is very timely also. You can only use merit or mach2 during certain tiem periods. Right now you would need to use Dylox in my area to get control.

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Old 09-21-2004, 06:56 AM
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Grassmechanic Grassmechanic is offline
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Quote:
Originally Posted by HazyDavy
Thanks for the info. One more question, are any of these insecticides harmful to the earthworm or beneficial microbe population?
Merit or Mach2 will not harm earthworms. Dylox, (an organophosphate) will kill earthworms.
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"the Constitution is a charter of negative liberties" Barack Hussein Obama

If you like the job Granholm is doing for Michigan, you'll love the job Obama will do for the U.S.

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Old 09-21-2004, 10:13 AM
HazyDavy HazyDavy is offline
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Cool, thanks!
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  #7  
Old 09-27-2004, 11:37 PM
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Garden Panzer Garden Panzer is offline
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i like to aerate and overseed grubs...
ours emerge in the spring, though...
:blob3:
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