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Old 05-22-2010, 02:49 AM   #1
pitimany
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Default Something is eating my hops, Any ideas what can be.

This morning, I realized that something was eating the leaves of my new (first year) hops.
Any Ideas what can leaves these marks ?





Can I use the tabaco solution discussed in the some of the treads here.

Thanks,

Pedro

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Old 05-22-2010, 03:41 AM   #2
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That's how my hops look, that isn't normal? Just kidding, I have no idea what it is easier. Not contributing an answer, but I'm curious if anyone has any ideas. Same small holes, no obvious bugs on my leafs that I can take pictures of.

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Old 05-22-2010, 04:06 AM   #3
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My guess is catepillars or worms.

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Old 05-22-2010, 04:11 AM   #4
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Had the same problem last year. I had these tiny little bugs residing on the undersides of the leaves. I used pyrethrin to keep them away. I've been using it again this year and so far no holes in my leaves.

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Old 05-22-2010, 04:15 AM   #5
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I've been having the same issue. I even sprayed with Orthene before they started to flower but that didn't seem to help. I spite of this problem, they just keep on growing.

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Old 05-22-2010, 05:25 AM   #6
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thanks for the pictures. i thought there was a problem. you have nothing to worry about, even when the beetles start grinding away in a month or so. many years, certain varieties have leaves that look like lace doilies and still produce an adequate crop. once established, other than being 'topped off', there's not many bugs that can create such a problem that you have to worry about. the mites will make the leaves look 'bronze', no biggie. aphids, if allowed to get out of control, will cause some 'sooty mold' spots under/amongst the bracts but generally do not lessen the quality of your harvest much. other than fire and brimstone, there isn't much that will deter these plants from doing their thing. have a cold one and brew some beer!

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Old 05-24-2010, 05:42 PM   #7
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I have the same small holes in my hops leaves. Not worrying about it.

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Old 05-24-2010, 05:49 PM   #8
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Quote:
Originally Posted by Displaced MassHole View Post
Had the same problem last year. I had these tiny little bugs residing on the undersides of the leaves. I used pyrethrin to keep them away. I've been using it again this year and so far no holes in my leaves.
Be careful if you have pets that go near that area. Pyrethrin can kill cats and dogs.

I have noticed very tiny caterpillars on the underside of the leaves causing holes.
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Old 05-26-2010, 02:02 AM   #9
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Be careful if you have pets that go near that area. Pyrethrin can kill cats and dogs.
Pyrethrin is a relatively safe insecticide for pets and one of the most common AI's found in flea treatments, even if a dog or cat ingests some it typically breaks down in their stomach acid and causes no ill effect, poisoning can happen but it is very rare... Permethrin, the synthetic version of Pyrethrin however is a different story and not as kind to cats.
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Old 06-01-2010, 09:15 PM   #10
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Pyrethrin is a relatively safe insecticide for pets and one of the most common AI's found in flea treatments, even if a dog or cat ingests some it typically breaks down in their stomach acid and causes no ill effect, poisoning can happen but it is very rare... Permethrin, the synthetic version of Pyrethrin however is a different story and not as kind to cats.
You have basically just stated the equivalent that Arsenic will not kill people because it is in the food we eat (and it is).

Sorry, man. Pyrethrin can be deadly to any pet in a relatively small dose (though not always of course) - it's all about application. Why do you think you are instructed to apply flea preventative to the back of the neck - so they cannot lick it off. All they have to do is walk on freshly treated yard area, lick their paws and they can go toxic. Do you have any experience with treating Pyrethretic animals??? If not you should stick to commenting on experience instead of what you pull from the quick Google search. If so then speak to that experience with an example. Pyrethrin is NOT pet ingestion safe at all and should be avoided. The only thing you got right is that Permethrin is even more toxic.

My wife (emergency vet) treats Pyrethrin toxicity fairly often and it is usually not fatal with treatment. Much of the time it is overdose because a cat/feline is given canine flea preventative. Dog prev is not only a larger dose, but a stronger dose, so cutting back a dog dose for a cat requires looking at the dosage strength, not just the size - most homeowners fail to recognize this and thus they toxify their cat. She has also seen cases of toxicity due to yard spraying.

BTW - The synthetic derivative, Permethrin, should never be used on cats in any circumstance.

It baffles me that people spread misinformation of such important topics without any real knowledge (or giving any experiential examples).
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