These medical condition or symptom topics may be relevant to medical information for Neck tightness: 1  Neck. 2  Neck symptoms (833 causes) 3  Neck disease.  Neck disorder.
Predators such as lady beetles (Cryp-. tolaemus sp.) and lacewings attack each. of these species, and up to five species. of parasitoids are known to attack the. grape and longtailed mealybugs.
Examine your grapevines and grapes for signs of fungal disease. Symptoms of downy mildew include yellow blotches on top of the grape leaves and off-white blotches of fungus on the underside of the leaves. Gray mold exhibits fuzzy gray mold on the grapes, especially when the humidity is high.