Natural lawn common disease prevention and control method

Diseases of natural pastures are from the spring to the autumn. They are usually caused by the presence of organic matter in the pastures. Therefore, it is first and foremost to remove organic matter from pastures. In summer, the environment is hot and humid, and many species are prone to breeding. Most of the diseases are caused by plant parasitic fungi. These fungi are attached to the soil, dead leaves, and decayed grass roots. Once the temperature is right, the bacteria may become active and multiply. Therefore, the natural grassland should be selected from the seeds. Initially, in the process of grass bed construction, the management period of grass seedling growth should be controlled scientifically such as the amount of fertilization, the time of fertilization, the type of fertilizer, the time of watering, the time of cutting, and the size of the crop. Errors in one link will create conditions for the occurrence of diseases. For example, cutting grass and removing grass from the field will be a harm.

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The common diseases and prevention methods can be seen in the table below.

Common lawn disease occurrence and prevention methods

Disease name

Time

Occurrence conditions

Control methods

Crop Protection Act

Brown spot

May to September

High temperature, moist

Use LDP or LDP+Fert

Improve drainage, deep watering

Money spot disease

May to October

High temperature growth at 15~28°C

Use LDP or LDP+Fert

Inhibition of formation of subtilis layer, deep watering

Fusarium

June to September

High temperature and humidity


Improve soil aeration and reduce weed layer

Leaf spot

Early summer and autumn

Cold and wet and cloudy

LDP or LDP+Fert

Reduce shading, improve soil aeration and drainage

Rust

May to June

20~25°C light and temperature

LDP or LDP+Fert

Recover scraps

powdery mildew

March to October

Poor ventilation, air humidity


Improve air circulation and light transmission conditions

Spring spot disease

March to May

Windy drought

Last year LDP or LDP+Fert

Drug fight in the fall of last year

Snow mold

Early autumn and late autumn

Wet, -5°C~5°C

LDP or LDP+Fert

Improve soil aeration and drainage, remove forage layer

Ringworm disease

Any period

High organic content, moist


Remove organic residue and recycle residue

Note: LDP - lawn disease control agent;

Fert—fertilizer.

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