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Oak Saplings not thriving - maybe diseased - help please


 
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Badge55
Rank attained: Hazel Tree
Rank attained: Hazel Tree


Joined: 31 Aug 2009
Posts: 6
Location: Kildare

PostPosted: Mon Aug 31, 2009 9:13 pm    Post subject: Oak Saplings not thriving - maybe diseased - help please Reply with quote

Hi all - first post here

I planted some acorns in Autumn 2008 with my kids and we had 13 lovely saplings in April 2009. I have since re-potted them all in regular garden centre multi purpose compost. 5 re-potted in May - 8 in July. Since re-potting they are looking very unwell with leaves taking on a white colour and then dying. All saplings are still alive but I feel they will not survive without intervention. All assistance gratefully received.

Regards

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forest flame
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Joined: 17 Jun 2008
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PostPosted: Mon Aug 31, 2009 10:44 pm    Post subject: Reply with quote

hi badge
the saplings have some type of fungal infection. you could try a spray it is available in a ready to use gun. when you spray make sure to keep the plants out of direct sunlight. shouldnt be a problem if today is anything to go by.
good luck with them.
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Badge55
Rank attained: Hazel Tree
Rank attained: Hazel Tree


Joined: 31 Aug 2009
Posts: 6
Location: Kildare

PostPosted: Mon Aug 31, 2009 11:25 pm    Post subject: Reply with quote

Thanks for the rapid reply Forest

Dumb question - but do I just go to a garden Centre and ask for a fungal spray ? are there different types ?

Apologies again if questions are simple - fairly new to this stuff !

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forest flame
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PostPosted: Mon Aug 31, 2009 11:45 pm    Post subject: Reply with quote

no probs badge
yes a good garden centre or hardware store. just ask for a fungus spray. you may be offered a powder thats okay too.one of the cheaper ones is doff fungal spray and i found that quite effective.if yiu brought one of the plants with you there may be someone on hand to give you exactly what you need
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michael brenock
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PostPosted: Tue Sep 01, 2009 8:02 am    Post subject: Reply with quote

The young oak trees appear to be affected by the common Oak Mildew. A sulphur based fungicide is best. It is unlikely to kill all the saplings but check out Nutrient levels. Nitrogen is probably too high ant Potassium too low. Grow them in a well drained and well ventilated area and give plenty space. This disease thrives under high humidity and high temperatures.
michael brenock horticultural advisor (retired)
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Badge55
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Joined: 31 Aug 2009
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Location: Kildare

PostPosted: Wed Sep 02, 2009 9:20 pm    Post subject: Reply with quote

Thanks for all the help guys

I hope to post some healthier photos of recovering saplings in the future

best regards

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