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Avatar for Mercurianmad
May 20, 2020 7:21 PM CST
Thread OP
Northern California
OK guys this is the third post I think saying that I have something wrong with my blueberry plants and everybody always tells me that the plants look fine.

The entire group of leaves, new growth and old of my five blueberry plants have begun to developed red brown spots on them. Is this some type of fungus? I have a systemic fungicide that I can use on it if it is. I just wanna know before I spray all the plants.
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May 20, 2020 7:38 PM CST
Name: Daisy I
Reno, Nv (Zone 6b)
Not all who wander are lost
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I don't grow blueberries but have you looked into Blueberry rust? Just a thought...
Life is not a journey to the grave with the intention of arriving safely in a pretty and well preserved body, but rather to skid in broadside, thoroughly used up, totally worn out, and proclaiming...."WOW What a Ride!!" -Mark Frost

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Avatar for oneeyeluke
May 22, 2020 3:36 AM CST
Name: one-eye-luke US.Vet.
Texas (Zone 8a)
Quitter's never Win
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Give them some time and keep the water down to a minimum. That's not blueberry rust, but it may be from the cool Northern California nights. They will get better in the summer if you don't over water them. Phosphorus is less mobile when the temps are cold and will show up in the leaves as red or purple tent. I never use any kind of systemic fungicide on anything I eat or give away. I hope that helps.
NOT A EXPERT! Just a grow worm! I never met a plant I didn’t love.✌
May 22, 2020 3:44 AM CST
Name: Big Bill
Livonia Michigan (Zone 6a)
If you need to relax, grow plants!!
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I agree 110% with Luke. I would never spray something I was planning on eating.
Orchid lecturer, teacher and judge. Retired Wildlife Biologist. Supervisor of a nature preserve up until I retired.
Avatar for Mercurianmad
May 22, 2020 5:56 AM CST
Thread OP
Northern California
Thank you. Is that what those red spots are? Phosphorus deficiency? If you click on the close up of the pictures you can really see them. We've just had over a week of heavy rain in May, for some reason, with cloud cover. The sun is back now so hopefully that helps them out.
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