Red Thread Turf Disease
Red thread turf disease. Red thread disease symptoms appear as circular or irregularly shaped patches of blighted turf typically with a red or pink cast. It can possibly be found during most of the growing season. Red thread is a foliar disease that usually occurs on taller mown turfgrasses during spring and fall.
Heres the turfonline guide to red thread disease. Red thread is most severe in the spring and fall when extended periods of cool wet and overcast weather slow growth of the turf and favor growth of the pathogen. Red thread is one of the most common fungal patch diseases found on lawns particularly where the turf is deficient in nitrogen.
Read Thread causes disease primarily during periods when grass is growing slowly as a result of low temperatures drought or inadequate fertility. Severe when potassium phosphorus calcium and nitrogen are deficient. Because of its wide temperature range red thread can develop at any time of year when a slow.
Susceptible Grasses Cool-season grasses tend to be the most susceptible to red thread. Thrives in temperatures between 17ÂC to 29ÂC. Red thread disease is a common complaint in lawns and it can be very unsightly.
A common lawn care problem in the late spring and early summer months is a turf disease called Red Thread. All turf has this fungus in it it is one of thousands of fungi that live in turf. Can affect any lawn but worse on underfed lawns.
These grasses are commonly used for home lawns golf course roughs parks and athletic fields in the Midwest. Red thread is easily recognized by the red to coral-pink fungal strands stromata produced on leaf blades and sheaths. Those blades may even have small cotton-candy like strands wisping around them.
Red thread is a lawn condition caused by a fungus called Laetisaria fuciformis that attacks the leaf parts of the grass and causes it turn red and slowly die. Red thread takes its name from the antler-like structures sclerotia produced.
Severe when potassium phosphorus calcium and nitrogen are deficient.
The Latin name of the fungus that causes the disease symptoms is Laetisaria fuciformis. The Latin name of the fungus that causes the disease symptoms is Laetisaria fuciformis. Red thread disease is a common complaint in lawns and it can be very unsightly. It is particularly a problem for fescue and perennial rye grasses although other grasses can be affected too. Tiny pinkish red threads attached to affected blades of grass. Those blades may even have small cotton-candy like strands wisping around them. Severe when potassium phosphorus calcium and nitrogen are deficient. The disease is especially severe on slow-growing nitrogen-deficient turf. This disease typically appears in our area between late April and mid Jun.
Red thread is easily recognized by the red to coral-pink fungal strands stromata produced on leaf blades and sheaths. The disease is especially severe on slow-growing nitrogen-deficient turf. Red Thread on Turfgrass. It causes brown patches of turf especially during a wet summer. Red thread occurs in the spring and fall during humid periods when the air temperatures are between 16C and 24C 60F and 75F. Tiny pinkish red threads attached to affected blades of grass. Red thread is a foliar disease of cool-season turfgrasses.
Posting Komentar untuk "Red Thread Turf Disease"