blueberry problems (forum)

Leanne starts with ...
Hello,

Can anyone help identify what is wrong with my blueberry bushes - some of the leaves have turned brown and yellow - I just replanted them 2 days ago in some azalia mix because I heard they like the acidic soil.

Any help is greatly appreciated :)
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Time: 9th May 2011 5:45pm

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Original Post was last edited: 9th May 2011 5:48pm

About the Author Nqgrower1
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kert says...
Looks as if you have a fungal infection . Perhaps a trial of manczeb is in order.

Time: 9th May 2011 5:49pm

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Leanne says...
thanks kert! I would really like to try and treat the problem with as little chemicals as possible - do you know any eco products which might work?

Time: 9th May 2011 6:32pm

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kert says...
MMmm, not easy. Phosphonates are rather benign eg Yate's Anti Rot. Eco Oil has reputedly some fungicidal action. Bordeaux mixture is good but probably cause defoliation These may/may not work . I would not be too worried about spraying a plant's leaves 9 months before fruit forms . Fungicide residues will be undetectable , I believe.

Time: 10th May 2011 9:25am

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Jenny says...
Is this anything to worry about? my blueberries have been powering along - after reading all these wonderfully informative posts on this forum - I've been learning so much, thanks everyone! - I've tried to acidify the mulch somewhat and they've been really happy for weeks but now the new growth looks wilted - has been for a few days. We have been having a very wet summer like everyone, could they be too wet? or some sort of fungal disease?
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Time: 16th March 2012 12:52pm

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About the Author Jenny
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Gus says...
I am no expert but I would guess they are too wet.
They look nice and green, but I don't think blueberries like too mush water from my experience.

Time: 17th March 2012 10:58pm

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About the Author gus
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John Mc says...
I beg to differ Gus. The blueberry's natural habitat is usually on elevated and sandy acidic peat based soil where water is constantly passing over the roots. Blueberry's will grow under a tap so long as the water will get away easily. I have an example of this in a large pot filled with a very course mixture of flyash with a hydroponic solution being circulated through the pot 24/7 for the past two years.
The biggest danger is drying out. There is a point where there is no turning back, and it's more critical with blueberrys. Jenny, if you didn't water them over a couple of very hot days and let them dry out, there may lay the problem, imo.

Time: 18th March 2012 7:52am

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About the Author JohnMc1
Warnervale NSW
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Jenny says...
thanks very much for your responses, it has been very wet but we did have a couple of very hot days. I might give them a bit of seasol & hope for the best.

Time: 20th March 2012 10:46am

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amanda says...
Are they in direct sun too Jenny? I am not sure about Brisbane - but I sure wouldn't have mine in direct sun in our summer...especially in the afternoon...?

(the heat reflected from the paving and other hard surfaces might not be helping either..if they are also in direct summer sun...)

Time: 20th March 2012 8:16pm

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About the Author amanda19
Geraldton. 400km north of Perth
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Jenny says...
I have moved them and seasol'ed them, we'll see.

Time: 21st March 2012 8:59pm

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snottiegobble says...
Jenny I believe John Mc is spot on, because I once lived opposite a thriving blueberry farm that was on the side of a hill in very acid soil 4.9 to 5.5 in the Otway Ranges. SW Vic. so I would really do a soil PH test first.

Time: 21st March 2012 9:14pm

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About the Author snottiegobble
Bunno & Busso ( smack in the middle)
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