Rainfall may create a need for additional treatments. Corn fields must be relatively weed free. Field edges should not be treated. Avitrol is for use by or under the supervision of a licensed pest-control operator. It is not for sale to the general public.
Damage occurs when the cherries begin to color.
Cherries are susceptible to damage from robins, finches, blue jays, and cedar waxwings as well as grackles and starlings. Check with your county extension officer or pesticide dealer on the label registration for grapes and blueberries. Written authorization from the Director of the Missouri Department of Conservation is required to use the above chemicals. 3CSR10-4.130 Owner May Protect Property. Subject to federal regulations governing the protection of property from migratory birds, any wildlife except deer which beyond reasonable doubt is damaging property may be captured or killed by the owner of the property being damaged, or by his agent, at any time and without permit, but only by shooting or trapping except by written authorization of the director.