Houston Landscaping Source: How To Manage Lawn Diseases
Just like a typical vegetable garden, your grass lawn is vulnerable to weeds and disease problems. Although most of these do not have severe damage to the lawn, controlling weed and disease problem is relatively easy as well. It is by controlling/preventing these weeds that the grass grows healthy and strong. Houston Landscaping Source lists some of the common lawn diseases below.
1. Red Thread
Red Thread is a fungal disease commonly found in nitrogen-deficient lawns. Brown patches on the lawn characterize this disease and mainly strikes in wet summer days as well as during autumn. The fungus responsible, Laetisaria fuciformis, doesn’t, however, kill the grass entirely though leaves patches on the grass, which however recovers with proper treatment and lawn preparation. The affected patches of the grass or the grass itself have a reddish tinge which later turns bleached out or light-brown, and in most instances binds the leaves together. The patches, however, vary from 7.5 – 25cm in diameter, though can grow as the infection progresses.
2. Snow Mold (Fusarium Patch)
The snow mold, otherwise known as Fusarium patch, is a common disease in the lawn. This condition is characterized by brown patches on the lawn. This condition is prevalent in mild winter spells and during fall. The fungus can, however, attack during any time of the year. Scientifically known as the Monographella nivalis fungus, the snow mold first produces little yellowy patches on dying grass with turns brown later on. The tiny patches, however, progress in size becoming larger (30 cm diameter), merging with other infected regions making the condition even worse. In wet conditions, the contaminated areas start turning pinky/white cotton-like puffs which are highly noticeable at the margins.
3. Fairy Ring
Caused by different strains of fungi, fairy rings produce rings of dead grass in the lawn in late summer and early autumn. These fungi are believed to come from toadstools. Symptoms of an attack vary from the fungus responsible though the most common one is a ring of dead grass. The patches are usually visible with spots of greener grass in the lawn. One of the best ways to prevent this is by kicking toadstools before they mature or release spores. The rings of dead grass, however, grow over time.
4. Take-All Patch
This is considered among the most damaging known lawn diseases. This disease is however prevalent in mid-summer though not very common. The disease is caused by the Gaeumannomyces graminis fungus. Take-all patch first appears as a small circular patch that expands up to 40 inches in diameter. The infected matches may continue to merge eventually taking over your lawn. The fungus affects both the fine-leaves grass and bent ones causing then to die slowly. Although the infection/patch may disappear in December, it eventually crops back when conditions are favorable for the fungus.
How to Control the Common Lawn Diseases
Preventing or controlling lawn diseases is relatively easy. It, however, all starts with keeping your lawn well attended and practicing proper lawn care. Some of the recommended ways to keep these diseases at bay are listed below.
- Ensure the lawn is at the recommended length all year round. Scalping the lawn only makes healthy grass weak.
- Irrigate and fertilize the lawn adequately and properly throughout the year. While nitrogen is essential for lawn health, too much of the same, and especially in late summer and autumn isn’t recommended. Consider autumn lawn feed instead.
- Work on your lawn’s drainage to ensure there’s no standing water. This should also be done to prevent water logging in the same. A hollow-tine aerator would be recommended in autumn.
- Thatch encourages fungus growth hence should be avoided during spring. Consider removing these with a rake or an electric scarifier.
- A dry lawn is prone to diseases as well. For this reason, water your lawn evenly on hot summer days to keep it moist.
- Any grass cuttings should be disposed of appropriately to reduce fungus growth, as well as prevent re-infection.
- By : admin
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