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Armillaria rot of pear trees

In Iran, Armillaria disease has been observed on the roots of pear trees in the cities of Isfahan, Tehran, Tabriz and Shandiz Razavi Khorasan. No significant damage was reported. The cause of this fungal disease is called Armillaria mellea. This fungus is earthy and can survive long in the soil. The method of Armillaris rot of trees agent transmission is through the roots inside the soil. When the roots touch each other, the pathogenic fungus is transferred from the diseased roots to the healthy roots. This method is for adjacent trees. Alternatively, the pathogen enters the garden through irrigation, entry of infected seedlings and soil.

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