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Post new topic   Reply to topic    Irish Gardeners Forum Home -> Shrubs in Ireland ... Hedging in Ireland

brown spots on laurel hegde


 
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groarke
Rank attained: Hazel Tree
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Joined: 25 Apr 2011
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PostPosted: Mon Apr 25, 2011 1:40 pm    Post subject: brown spots on laurel hegde Reply with quote

just planted a laurel hedge last week.put in on a raised mound of good top soil and used some chicken manure to bed in. watered it regularly. i've noticed that some of the plants leaves are turning brown at the edges and some have brown spots in them. are they lacking water? or what? any ideas please.
here are some pictures



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michael brenock
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PostPosted: Mon Apr 25, 2011 10:05 pm    Post subject: Reply with quote

I am not sure if the leaf in the picture is an old or new leaf. If it is an old leaf then there is no reason to be worried, but if the leaf is new and young then it points to a major or minor element deficiency, The application of poultry manure may have contributed to this problem. I would recommend a good watering every few days for the next week so that the effects of the manure is neutralised.
michael brenock horticultural advisor (retired)
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groarke
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PostPosted: Tue Apr 26, 2011 8:22 am    Post subject: Reply with quote

thanks for your reply.its on both old and new leaves.but not on all the plants.i have been watering the plants every day during the dry spell.
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gardenman
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PostPosted: Thu Aug 04, 2011 10:39 pm    Post subject: Reply with quote

Looks like the onset of shot-hole disease, especially at that time of the year. Won't kill the hedge but can make it unsightly.
No real cure as it is bacterial, but if you could get you hands on some Serenade(a natural biocide - safe) a few applications will help.

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