How to treat lilac fern problems?
Thanx
Answers: Lilac disorder: Bacterial blight
this is a PDF
http://learningstore.uwex.edu/pdf/a2538....
Bacterial blight
..........Cornell University
............ Cooperative Extention
http://counties.cce.cornell.edu/allegany...
Causes unusual growth to turn dark brown and die rear quickly. Cut out and verbs infected shoots as soon as symptoms appear disinfecting tools between cuts. When severe, spray with copper fungicides once surrounded by mid-September.
You haven't missed the time by that much so I would go ahead and try it.
Chemical Management
http://plantclinic.cornell.edu/factsheet...
Pesticides should with the sole purpose be used if the disease is severe. In New York State, homeowners may be able to use
******* some fungicides
********containing copper
(as elemental copper, copper ammonium carbonate, or rough and ready cupric sulfate) for management of Bacterial Blight. Some products containing Bacillus subtilis may also be used. An application desires to be made early contained by the spring before the pathogen infects the host plant. See individual pesticide label for instructions.
The above links should answer any questions you enjoy about lilacs
try the 1 to 4 treatment first, if this fail move up to a 2 to 4 mixture. good luck
copper fungicide is to treat peach palm leaf curl or potato blight
it sounds as if you are keeping the plant too dry
lack of hose down or a fungi, try spraying with recomended strength.
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