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Day: July 7, 2015

Girdling Root

Description: Girdling root is defined as “a root that grows around the trunk of a tree, thus tending to strangle the tree”. Normal movement of water

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Construction Damage

The construction process can be devastating to surrounding trees when there is no protection plan in place. Broken branches are commonplace but damage done underground

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Black Knot

Description: Black knot is a serious disease of plum and cherry trees caused by the fungus Apiosporina morbosa. It is referred to as black knot because

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Cedar-Apple Rust

Description: Cedar-apple rust can be very harmful to the health of apple trees. If severe infections of cedar-apple rust continue for several seasons, apple tree death

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Fire Blight

Description: Fire blight gets its name from the burnt appearance it leaves on affected blossoms and twigs. It is one of the most devastating and difficult-to-control

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Hypoxlon Canker

Description: The following is a description of hypoxylon canker in oak, taken from the Texas Plant Disease Handbook: “Hypoxylon Canker (fungus – Hypoxylon atropunctatum and other Hypoxylon

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Leaf Infection

Description: Leaf spots, or infections of leaves, are caused by a variety of fungi and some bacteria. Leafspots are seen more frequently in late summer as

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Powdery Mildew

Description: Many fungi fall under the category of powdery mildew. Some plants can withstand being infected and not have serious injury. Begonias can die from a

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Root Rot

Description: There are many different types of root rot affecting both urban and forest trees. High soil moisture content and high temperatures are common factors. They

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Seridium Canker

Description: Seridium canker is caused by a fungus and is the most damaging disease of Leyland cypress. The fungus will destroy the cypress’ form and eventually

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