Can Garlic injections help with some tree diseases?

Injecting trees with a concentrated form of garlic might help save trees in the UK from deadly diseases.

Operating under an experimental government licence, a prototype piece of technology to administer the solution is being trialled on a woodland estate in Northamptonshire.

Widespread use of the injection process is impractical and expensive. But it could potentially help save trees of historic or sentimental value. Garlic is one of nature’s most powerful antibacterial and antifungal agents. It contains a compound called allicin, which scientists are interested in harnessing.

The experimental injection device is made up of a pressurised chamber and eight “octopus” tubes.

The pressure punches the solution through the tubes and through special injection units in to the tree’s sap system. The needles are positioned in a way to get allicin evenly around the tree.

The moment the active agent starts to encounter the disease, it destroys it. The poison is organic and isn’t rejected by the tree.

Tree injection
(Image caption)The treatment could potentially help save trees of historic or sentimental value

It is pulled up the trunk out along the branches and in to the leaves by the process of transpiration – the flow of water through a plant.

Tree consultant Jonathan Cocking is involved with the development and deployment of the treatment.

“Over the last four years we have treated 60 trees suffering badly with bleeding canker of horse chestnut. All of the trees were cured.

This result has been broadly backed up by 350 trees we have treated all over the country where we have had a 95% success rate.”

For more information, visit the full article here: http://www.bbc.com/news/science-environment-29522647?SThisFB

Categories: Tree News

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