cottonwood tree problem - Ask Extension
what could be causing a large cottonwood tree to be having parts of the tree have the leaves dry up and look brown.its not just on one side from the p...
Knowledgebase
cottonwood tree problem #409258
Asked June 23, 2017, 11:07 AM EDT
what could be causing a large cottonwood tree to be having parts of the tree have the leaves dry up and look brown.its not just on one side from the pictures it is staring to look light yellow and then they turn brown like fall see pictures. Is they a pest or disease? what steps to save tree. or Will it recover
Audubon County Iowa
Expert Response
A diagnosis cannot be made based on the photographs. My suggestion is to submit a plant specimen to the ISU Plant and Insect Diagnostic Clinic. Information on submitting a plant specimen to
the clinic can be found at the clinic’s website (http://www.ipm.iastate.edu/ipm/info/submit/plant