Plant Disease Clinic Update - June 20, 2007

Samples with the following problems have been seen in the Clinic lately: Apple scab on crabapple and mountain ash


Ash rust


Erineum gall on viburnum


Herbicide injury on various plants


Iris borers


Iris leaf spot


Leaf spot on turfgrass


Maple bladder gall


Oak wilt


Pine wilt on Scots pine


Red thread on turfgrass


Stinkhorn fungi


Wind injury on tomato and cucumber


 


A tomato sample with extreme constriction at the base of the stem, caused by wind injury.


A tomato sample with extreme constriction at the base of the stem caused by wind injury.

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