nullthumb
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Joined: Tue Aug 21, 2018 11:53 pm

Can any Blueberry pros ID the deficiency?

Hey all, I've got some blueberries here in northern Alabama that are fading fast, with veins showing.

Some of the pink-lemonade varieties instantly browned, crisped and died within a week of showing these symptoms. Now, they are happening to my other varieties. Soil Is at 5.5ph, so I don't think it's due to a lack of acidity.

Additionally, I originally thought it was an iron deficiency, so I treated with Iron Chelate. That was weeks ago. It doesn't seem to have helped.

Thoughts?
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applestar
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Joined: Thu May 01, 2008 11:21 pm
Location: Zone 6, NJ (3/M)4/E ~ 10/M

Re: Can any Blueberry pros ID the deficiency?

Could they have been accidentally hit with herbicide spray? maybe drift?
Learning never ends because we can share what we've learned. And in sharing our collective experiences, we gain deeper understanding of what we learned.

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applestar
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Posts: 27804
Joined: Thu May 01, 2008 11:21 pm
Location: Zone 6, NJ (3/M)4/E ~ 10/M

Re: Can any Blueberry pros ID the deficiency?

https://utahpests.usu.edu/ipm/ornamenta ... ide-injury
Herbicide Injury

Soil-Applied Residual Herbicides (atrazine, simazine, etc.)
Soil sterilants are often used around driveways, fences, or sidewalks to stop all weed growth. They are also applied under new asphalt to prevent weeds from breaking through. These herbicides are persistent and very slow moving in the soil profile. Symptoms may not appear until years after the herbicide application. The first indication of injury is a mild yellowing or chlorosis around the margins and interveinal areas of leaves. Mild cases can resemble iron chlorosis and may be temporary.
Learning never ends because we can share what we've learned. And in sharing our collective experiences, we gain deeper understanding of what we learned.

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