Camellia petal blight

Symptoms - Small brown spots appear on the expanding flower petals, The veins, which usually are darker than the surrounding tissues, often give the blooms a distinctive netted appearance. This netted pattern can be used to distinguish petal blight from cold injury. These spots quickly increase in size until the entire blooms turns a dull brown. The blighted petals are dry or somewhat leathery but do not cruble when handled. Once the blooms are killed, they will fall intact to the ground.