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bart1_gw

How long does dormant oil take to work?

bart1
11 years ago

My only chance for spraying dormant oil before it will be too late is this weekend but they're calling for a 50% chance of rain every day. I'd like to spray it on and have it do its thing before the rain washes it away.

I'm wondering how long the dormant oil has be on the trees before it smothers the stuff it's supposed to smother? I know humans can't go without air for more than a couple of minutes but what about the pests on trees?

Thanks!

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