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bardofely
Supreme Reefer
Joined: 22 Dec 2004
Posts: 3834
Location: Playa San Marcos, Tenerife
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 Post subject: Is fluoride killing Dragon Trees? |
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All around Tenerife you cannot help but notice the very sick, dying and dead Dragon Trees in borders in public places. The official solution is prune all the leaves off, leave them to see if they can shoot again and if not pull the trees out. Some big trees have died and been removed in some places. It is really sad watching this happen!
The problem appears to be that the leaves are plastered in scale insects which suck the sap out of the trees but many of them also show brown spots and blemishes and yellowing of the leaves that could be a fungal attack or could be the result of fluoride in the water being used on them.
When the council here plant ready grown Dragon Trees into borders often the trees are sick to start with. They then water them frequently but many get worse and soon die.
It is accepted that public water supplies here are now containing fluoride and it is also widely known to ornamental gardeners, houseplant specialists and botanists that all species of Dracaena can be killed by fluoride and are very sensitive to the poison. Blotches on the foliage is a sign of fluoride poisoning and there are many websites confirming this.
The Dragon Tree is Dracaena Draco and a member of this family. It is tough enough to withstand salty spray, blistering heat and drought conditions but it cannot withstand what is killing so many of the trees on Tenerife.
I have a four-year-old Drago of my own and although it has no scale insects it has the brown spots on the leaves. I have also lost a lot of younger plants and guess what? I have been watering them with tap water! Well, no more tap water for my surviving Drago!
Here are some examples of what I mean:
Pruned and dying Dragon Tree
Scale insects
Making the situation even worse are ants that move scale insects on to non-infested trees. Fluoride would also badly weaken the trees so that their immunity system would not be able to fight off pests and diseases.
With regard to my fluoride theory I am wondering if anyone else has thought of this?
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Fri Jun 26, 2009 12:53 pm
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