Keep fruit picked to avoid attracting sap beetles. Diazinon AG500 or 1 pt. Sevin 80S 1-2 lbs. Botrytis cinerea historically has a high potential to develop resistance, therefore it is important to give these recommendations serious consideration. Fruit rot diseases develop rapidly during wet periods or in poorly ventilated locations.
Control is easier when intiated before the problem developes.
Spray coverage is important and dependent on nozzle condition, tractor speed, pressure and plant density. Spray coverage can be checked with water sensitive cards which can be obtained from your local County Agent.