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Home Brew Forums > Home Brewing Beer > Hops Growing > Aphids after harvest
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Old 09-05-2014, 05:32 AM   #1
Camofrog
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Default Aphids after harvest

Same as last year, I divided my harvested cones into paper bags to dry, about half full or less depending on the bag. And same as last year, within a couple of hours the rims of the bags were encrusted with aphids looking for a way off. They seem to sense that the cones are drying and they must move on.

I have lots of questions, but the three most relevant are:

1. Are my cones particularly infested? Does anybody else have aphids coming out in droves after setting them up to dry? They are forming a living green crust on the top knife edge of all the paper bags. It must be a bizarre world for them. Then it gets worse when I vacuum them off. Ideally I would be drying them outside somewhere.

2. How damaged are the cones, seeing as how aphids apparently have been in there sucking away for who knows how long? They look and smell beyond fine. I think I harvested them at about the right time.

3. What's a good control? I saw a few ladybugs in harvesting. Seems like the aphid population could have supported a lot more.

Thank you!

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Old 09-05-2014, 08:07 AM   #2
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1. Some years are worse than others. If you see a bunch of black spots when you peek under the petals, it was probably a good year for the aphids: http://www.uvm.edu/extension/cropsoi.../Hop-Aphid.pdf

2. As long as they're gone before you brew and the hops smell good when you crush them, it's all good.

3. Get on a control program as soon as you begin to see them. Scouting is really important with aphids because they can multiply very rapidly.

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Old 09-06-2014, 01:39 AM   #3
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Thank you, B-Hoppy.

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Old 09-09-2014, 02:32 AM   #4
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I had them, and there is another aphid thread. Mine also departed on drying, I use a paint strainer bag, they clustered on the rim. I also noticed ant infestation on some cones. I threw those away. Ants will farm aphids, next year I will put out some ant control.

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