Beware of lawn diseases this winter

As always at this time of the year it is important that we stay vigilant to the weather conditions and the differing turf diseases that may result. This autumn has certainly started damp and wet and should this continue with the resulting lower ground temperatures, then we are likely to see a period where damp related diseases such as fusarium will become widespread.

Snow mould is another fungus which develops in wet, cool weather especially when the snow cover remains for a number of weeks. Snow mould is most destructive when the grass is covered with snow prior to the ground being frozen, as it incubates the active mycelium, but may continue to spread even after the snow melts. The fungus can live for years in the thatch and soil, but is commonly undetected due to the weather in the UK being less conducive to its growth.

There are two types of snow mould: pink and grey. Both types start their growth when the temperature is above freezing, and mutate when covered by snow which forms a thermal blanket, giving the perfect growing conditions.

Fusarium

Snow Mould

Powdery Mildew

Most lawn diseases can be prevented by good cultural practices alongside an integrated disease management plan. A professional fungicide may have to be applied to control the most damaging lawn diseases. As these products are not available in DIY stores you should consult your local TruGreen lawn care technician for an accurate analysis and the appropriate lawn treatment, find your nearest lawncare expert here.