Diseases and Pests of Grape Hyacinth and Their Control

Diseases and Pests of Grape Hyacinth and Their Control

Grape Hyacinth Smut

Hazard characteristics

Ustilago mainly harms the flowers of grape hyacinth, seriously affecting its appearance.

Prevention

You can spray 1000 times diluted 50% thiophanate wettable powder for prevention and control.


Grape hyacinth yellow rot

Hazard characteristics

At first, lesions will appear near the leaf veins of the affected plants, appearing waterlogged, and then the lesions will turn yellow or brown. The inside of the damaged bulbs will be filled with yellow mucus and will rot.

Prevention

You should start prevention and control when you first start planting. Choose relatively sturdy bulbs, disinfect them before planting them in the soil, and you can use formalin solution to disinfect them. When the plant is infested with disease, you can spray 1000 times diluted 50% carbendazim for prevention and control.


Grape hyacinth sclerotinia

Hazard characteristics

The pathogen of sclerotinia mainly invades the bulbs and harms the leaves of grape hyacinth, causing yellow round spots or streaks to appear.

Prevention

Just like yellow rot, choose healthy and disease-free bulbs for planting. The soil must be disinfected before planting. You can mix pentachloronitrobenzene with the potting soil, stir evenly, and then plant the bulbs. In addition, for the plants, it is necessary to observe more. Once diseased plants are found, they must be removed in time, and then buried deeply or burned to prevent them from harming the plants again.


Grape hyacinths are generally less susceptible to diseases and pests, but they still need careful management and care so that they will be healthier and more beautiful.

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