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Diseases and insect pests of Syringa pumila and its control

Gustavo Fring
2020-07-30 08:42:04
Plant diseases and insect pests are important factors affecting plant growth. Even if it can grow to nine meters, such a tall tree can not escape the invasion of diseases and insect pests. Today, we will talk about the diseases and insect pests and their prevention and control.

Common diseases of Syringa pumila

There are two common diseases of Syringa fulva: brown spot and coal pollution.

Brown spot disease.

It usually occurs in the first ten days of June. Control method: spray with 75% chlorothalonil wettable granule 1000 times liquid or 70% mancozeb wetting particle 400 times liquid. Once a week, continuous spraying for three to four weeks can effectively control the disease.

Coal soot disease.

The outbreak occurs in early July or late August. Prevention and control method: can use 43% herculex 3000 times liquid or 75% chlorothalonil wettable particles 800 times liquid, spray once every seven days, spray three or four times continuously, you can see the improvement of the condition.

Common pests of Syringa pumila

Common insect pests of Syringa spinosa are red spider and sawfly.

Spider mite

If red spider is found, it can be killed with 1500 times solution of 0.36% matrine.

Leaf cutter bee.

If there is a cut leaf bee, it can be controlled by 20% insecticidal net 1000 times liquid spray, and it can also be artificially killed.

Pest control

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The Plant Aide - Plant experts around you

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