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Herbicide injury (Triazine herbicide) on Pear 'Bradford' (Pyrus calleryana'Bradford')


4 Images
5368933
Paul Bachi
University of Kentucky Research and Education Center

Starting with the oldest leaves on the tree, the leaves will first turn a yellow/light green color followed by browning and death of the tissue along the margins of the leaves. “Pramitol" (`prometon'), which is commonly used under asphalt, can cause these symptoms and is a type of triazine herbicide. 

5368934
Paul Bachi
University of Kentucky Research and Education Center

Starting with the oldest leaves on the tree, the leaves will first turn a yellow/light green color followed by browning and death of the tissue along the margins of the leaves. “Pramitol" (`prometon'), which is commonly used under asphalt, can cause these symptoms and is a type of triazine herbicide. 

5368935
Paul Bachi
University of Kentucky Research and Education Center

Starting with the oldest leaves on the tree, the leaves will first turn a yellow/light green color followed by browning and death of the tissue along the margins of the leaves. “Pramitol" (`prometon'), which is commonly used under asphalt, can cause these symptoms and is a type of triazine herbicide. 

5368936
Paul Bachi
University of Kentucky Research and Education Center

Starting with the oldest leaves on the tree, the leaves will first turn a yellow/light green color followed by browning and death of the tissue along the margins of the leaves. “Pramitol" (`prometon'), which is commonly used under asphalt, can cause these symptoms and is a type of triazine herbicide.