How to Control Black Spot Fungus Disease on Roses. The signs of black spot fungus on roses are hard to miss. Black spot (blackspot) is one of the most common diseases of rose bushes; and, if left unchecked, it can cause quite a bit of damage to your rose garden. Caused by the fungus Diplocarpon rosae, black spot begins just as its name suggests, with black spots showing up on the surface of the leaves.
1 Swallowing disorders (may result in actual post-nasal drip or just cause the sensation of having it) 2  Strep throat (post-nasal drip is an uncommon strep throat symptom, but it can occur)  Pregnancy and other conditions that cause fluctuation of hormone levels.
1 Rhinitis (inflammation of the nose) may or may not be caused by allergies. 2  Certain conditions alter the production, character, and clearance of nasal secretions. 3  Treatment of chronic rhinitis and post-nasal drip depends on the underlying cause.hronic rhinitis and post-nasal drip facts. 1  The nose functions to warm, clean, and humidify air as well as playing a role in the sensations of smell and taste. 2  Rhinitis (inflammation of the nose) may or may not be caused by allergies.