It's hard to believe that something the size of a small beetle could have a devastating effect on millions of trees. Such is the case with the emerald ash borer, responsible for the destruction of more than 30 million Americans and Canadians ash.
Native to Asia, the emerald ash bore (EAB) was discovered near Detroit, Michigan in 2002. Following an investigation, after a wave of denunciations of dying ash trees, scientists from Michigan State University discovered tiny bugs living behind the bark of these trees. There were bigger than a grain of rice, had a metallic green sheen to them, and is unlike any thing I had ever seen. The EAB was finally identified with the help of an expert entomologist from Eastern Europe, and was the theory that the insect was transported here China in the 1990s in wooden boxes.
EAB larvae feed on the bark of trees, tunnels deeper and deeper. As they feed, actually damage the plant's circulatory system, inhibiting the ability of the tree for the transport of nutrients and water everywhere, and eventually tree death one to three years. Take this tree and multiplied by an entire forest, and after an entire state to truly appreciate the devastation that can cause this murderer. Millions of trees throughout Canada and the Midwest have been victims, many now consider it only a matter of time before making his way to Minnesota.
Jacob Ryg, forester for the city of Rochester, emphasizes that 17,000 of the trees lining the streets and parks that adorn in Rochester alone are ashes. The draft law to remove dead trees and new plants would be enormous, with an estimated $ 27 million just in Minneapolis. When they do arrive, and begin to celebrate in Minnesota over 872 million ash trees, which will have a buffet true ash species originally planted to replace the victims of the disease in the former Dutch Elm.
ABD is a murderer aggressive. Once the larvae becomes an adult, which arise, fly to another tree and lay eggs, and the cycle continues. No needs to be done to prevent the spread inevitable, but it is possible to slow down, and provide researchers with the time needed to find more effective ways of destruction of beetles. The U.S. Department of Agriculture has restricted the movement of firewood, ash trees and ash from the parts of known infested areas. If the EAB is left to their own resources, its extension is limited to a short distance of each year.
Important Facts:
Only ash trees are at risk from the beetle.
An adult beetle is metallic green in color and about 1 / 2 inch long.
Carpenters love larvae EAB, a sign of infestation is a carpenter damage ash trees.
Adult beetles leave a "D" shaped hole in the when they leave the tree bark. As the larvae grows larger, leave track marks on the wood clearance.
Firewood can not be moved in many areas Michigan, Ohio, Illinois, Indiana, Pennsylvania, West Virginia, Maryland, Ontario and Quebec, due to the EAB quarantine (Michigan, Illinois, Indiana, Maryland, Minnesota, Missouri, Ohio, Ontario, Pennsylvania, Virginia, West Virginia and Wisconsin)
The processing of your ash tree: If you find signs of EAB, are not insecticides are various options, however, not all are consistently effective. If a tree has lost more than 50 percent of their leaves, then it is probably too late to save him. The treatment is hard, and the tree must be healthy enough to survive its effects and carry the insecticide down the trunk into the branches and leaves. Once you start treatment, the leaves may look slimming, but after the second year, when the tree has had a chance to heal, can be re – a healthier state.
The treatment methods include injections of insecticide in the soil, trunk, lower trunk sprays, aerosols or cover applied to the trunk, branches and possibly the foliage. It's a good idea to seek professional help when dealing with EAB to make sure you are using the correct treatment for your tree.
The most effective product to date, and known to protect the tree during a full year Emamectin benzoate.
His tree can not present any symptoms of EAB, but may be quarantined due to infestation in the vicinity (within 10-15 miles). In that case, there is too early to begin treatment.
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