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Perennial Rye Grass
Perennial rye grass (Lolium perenne) is a cool-season grass commonly used for lawns, pastures, and turf due to its rapid growth and resilience. It belongs to the Poaceae family and is a well-known source of seasonal allergens. During its pollination period—typically late spring to early summer—it releases airborne pollen that can trigger allergic reactions such as hay fever and asthma in sensitive individuals. The allergenic potential of perennial rye grass makes it a significant component in inhalant allergy testing panels.
Description
What kinds of allergic reactions can Perennial rye grass cause?
It can cause seasonal allergic rhinitis (hay fever), including symptoms such as sneezing, nasal congestion, itchy eyes, and in some cases, difficulty breathing or asthma.
When does Perennial Rye Grass usually release pollen?
Its pollination usually happens from late spring to early summer, although the timing may vary depending on the regional climate.
Is Perennial rye grass cross-reactive with other grass allergens?
Yes, it contains similar allergenic proteins to other grasses, so individuals allergic to one type of grass may also react to others.
