Matthew Arnold
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Everything posted by Matthew Arnold
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Possible Phytophthora on Broad-leaved Lime
Matthew Arnold replied to Matthew Arnold's topic in Picture Forum
No pics of affected leaves unfortunately. only managed to get pics of the ooze. if had got pics of the top of the tree i would have been underneath the crown of a nice low oak thats full of bats -
I spotted this beautiful multi-tiered Dryad's Saddle growing from a big Ash. Althought the girth isn't much the height is shocking. It is atleast 80ft tall. It is being felled as well as several other trees in an are of the site we call "The Pit". The 80ft Ash also has a severly undermined and rotten root plate. I have taken a pic on macro of a baby dryad saddle growing from a sycamore on one of the 8 mile sections of trailway.
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This pic was taken in mid-August of a large Broad-leaved lime next to one of the main access roads to our biggest site. We have had several tree surgeons turn up to have a look at the black ooze and all 3 of them have come up with different opinions. One saying it is phytophthora, another saying its a big weakness and the tree is weaping because of it and the last one saying its due to the water filled cavity in the fork( the cavity is only 2 inches deep, not exactly a bottomless pit). When i took the picture it was still sticky and smelt of mollases. The trees were all crown lifted and thoroughly dead wooded during the winter of 08-09. The tree isnt showing any signs of die back of yellowing of the leaves. Any help would be appreciated. Cheers
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Hi Gallagher666. the exudate was watery but also slightly pasty. there is some necrotic bark to the left of the lower exudation. at first i thought it maybe be fire damage but then realised we havent had a bonfire on that section for a few years.
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Last winter we had a theft of approximately £3000 worth of equipment. We were only 100 metres away from the truck but it was 100 metres uphill so all we could see was the top of the beacon. About 15 minutes before we noticed the theft there was a suspicious looking gentleman with two lurchers watching us for a long period of time. We heard a vehicle turn up whilst the man was watching and we assumed it was our colleagues but sadly we think it was a couple of his mates. They used a screwdriver or similar to prize the locking pins out to get into the back of the truck. We lost 2 Stihl Chainsaws( 341 and 361[361 was only 4 months old]), Stihl FS 450 Brushcutter and a Tirfor T516 winch. All of the equipment was replaced with 2 months and all of our powertools no matter how old have been tagged and put into the tool database at our HQ.
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Hi everyone Whilst mowing a section of old railway line in dorset I noticed a Broad leaved lime with a strange looking ooze coming from the base. I know it isnt Phytophthora as the ooze would be black rather than white. It has a couple of scars at the base but no sign of fungal infection as the crown is perfectly healthy and there have been no signs of fruiting bodies apart from the very occasional bit of Sulphur Tuft growing from a stump next to it. If anyone has any idea what would be causing this it would be of great help as all of my colleagues including me are completely stumped. I have attached a photo showin the ooze.
