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Blueberry leave damage

Posted by sharppa 6 (My Page) on
Wed, Jun 26, 13 at 20:04

Anyone recognize this leaf damage on a Jersey blueberry and have suggestions of a remedy? This is one of 5 Jersey in a row and the only one showing significant damage. The little black beetle is the first insect I've seen on the plant so far. It was bare root last spring and has grown well along with the rest of the plants.

Soil pH was 4.2 from the extension office with low magnesium. (See my other post a few weeks about epsom salts, etc.)


Follow-Up Postings:

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RE: Blueberry leave damage

Hmm, after some google searches....maybe blueberry leaf beetle?

Sounds rare up here in PA but the leaf damage and black bug matches the description pretty well.


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RE: Blueberry leave damage

Looks more like frog eye leaf spot


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RE: Blueberry leave damage

Have you seen that before on blueberries? I found lots of hits about it on soybeans but very little about blueberries.

Here another picture from 5 days ago in better light.


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RE: Blueberry leave damage

I have seen it on blueberries, here in Florida. It is what it looks like though....unless you have had a hail storm lately.


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RE: Blueberry leave damage

It may also be Anthracnose Leaf Spot.
Has there been a lot of rain?It can transfer the spores onto the leaves from the ground by splashing. Brady


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RE: Blueberry leave damage

Sure looks like Anthracnose to me. Seen it on my Blackberries and it looks darn near exact down to the coloring of the "canes". The damage to the limb itself is what is saying anthracnose instead of beatle damage. Just an educated guess though nothing for certain.

This post was edited by ABz5b on Thu, Jun 27, 13 at 0:16


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RE: Blueberry leave damage

Thanks for the suggestions. I checked out the plant this morning and spent some time watching it and figured it out. It's infested with bagworms. After figuring out what the little pods were and seeing them move, I killed about 50 of them and found a few on neighboring plants.

Maybe a touch of Anthracnose on the stem I guess.


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RE: Blueberry leave damage

Looks like good link for worms female don't travel so you got them until kill all.

Here is a link that might be useful: Bagworms


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