Sunday, October 16, 2011

Fire and rust in your trees

Fire blight is a widespread disease Pyrus Malus species and pests. In our area, these trees are pear and flowering pear, apple and crabapple. Fire blight can affect Toyon, hawthorn or cotton Easter. Fire blight is spreading occurs during periods of rain and tissue from the flowers of the trees. Flowers wilt and black. The agent then moves into branches and twigs of cancer. These tumors can mud and can be marked with dark stripes on the branches. The leaves wilted and brown, giving the tree a scorched appearance, which derives from the name of fire blight.

Often, the fire can pass through a group of street trees in an area and lead to large areas of dying in the treetops.

Control of fire blight

Fire blight is spreading around the heat, damp or wet periods and can also be spread by bees, as they move from flower to flower. Pruning of affected branches is important to reduce the spread of the disease. The branches must be cut from a dry period, preferably during the dormant season. The branches should be cut 12-18 inches below the proof of the pathogen. The cutting tools should be sterilized with a 10% solution of bleach as a disinfectant or detergent. Spray treatments are also preventive measures that can be applied before symptoms appear. It may be advisable to spray the trees or trees of susceptible varieties in the region occurred in outbreaks of fire blight. Agri-mycin, a control period of fungicides used to treat fire blight was approved, but limited. Several applications may be necessary.

Currently, a new product is currently provided by the Environmental Protection Agency for use as a systemic fungicide. If approved this fungicide provides control for a longer period and can be applied as a trunk spray application without a head. We update our site, if the permit has been approved this new product.
It is important to monitor the trees during flowering in order to identify the disease and act quickly if symptoms occur.

Resistant varieties

Another method to reduce the likelihood of fire blight, the varieties of trees that are resistant to the pathogen of plants. Unfortunately, most pears and Asian pears are very vulnerable. For flowering ornamental pear Red Spire and the Capitol are more resistant to the pathogen as an aristocrat.

Fire blight is to be treated as soon as possible to protect your trees and property. There is always a good idea to avoid spraying against fire blight.

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