Lawn Care - Lawn Damage by Disease, Insects, Drought, Heat, and Stress

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Every summer in Sydney, Australia we can look forward to our fair share of hot weather with wet and dry periods depending on local prevailing conditions.

Lawn Care - Lawn Damage by Disease, Insects, Drought, Heat, and Stress

It goes without saying that all Australian lawns and turf grasses (warm season grasses along with couch, kikuyu, buffalo, zoysia and so on) will suffer from diseases (fungal attacks), insect damage and heat stress depending on the prevailing Summer conditions.

Generally, if the conditions are more wet, we will see more lawns damaged by fungal attacks. Obviously, there will be a greater incidence of fungal attacks with conducive conditions - those being warm and wet weather conditions.

On the other hand, if conditions are hot and dry (that is, when there has been wee heavy rain fall for any weeks), then any lawn insect damage that has already occurred will become obvious with dead patches appearing in the lawn.

We consideration that if we have a hot summer with regular rain fall (that is, with colse to 15-25 millimetres rain falling say every 7 to 10 days) then even though the insects (curl grubs, for example) have damaged the turf grass root system, this is not apparent on top - that is, the turf grass will look undamaged to the untrained eye.

With these wetter conditions, however, there is a greater opening of lawns suffering from one of many fungal diseases that strike the many dissimilar turf grasses.

Just a quick note with regard to heat or drought stress to lawns.

We advise citizen provide heavy but infrequent water to their lawns and turf grasses. Heavy but infrequent watering (25mm of rainfall or watering) promotes deep root growth. Deep root systems make lawns drought tolerant. This heavy but infrequent watering (as experienced in the coastal areas of Australia) comes in the form of our rainfall. So it stands to surmise that we don't need to water our lawns.

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