Prevention and control of common diseases and insect pests of hyacinth

Hyacinth has a strong ability to adapt to the environment, but has a big uncle. Lin Daiyu has a fragile body and is easily entangled with diseases. The following is to introduce several common pest prevention and control methods!

Prevention and control of common diseases and insect pests of hyacinth

Yellow rot

Symptom

When the disease occurs, there will be many disease spots on the leaves of the plant, as if flooded. The spot gradually turns yellow or brown, and the bulb produces yellow mucus and begins to rot.

Prevention and cure method

Choose a strong sterile seed ball when planting.

Disinfect the bulb and soil with formalin solution before planting. If you want to carry out hydroponics, you should choose clean water without pollution.

Carbendazim solution can be sprayed at the time of onset, once every 2 to 3 days, and the symptoms can be relieved for 3 to 5 times.

Artemisia disease

Symptom

The main site of the disease is the bulb, which gradually migrates upward, and the leaves turn yellow and appear yellow spots.

Prevention and cure method

Choose a strong sterile seed ball when planting.

The pot soil was disinfected with pentachloronitrobenzene, sprinkled directly in the soil, stirred evenly and then planted.

Diseased plants should be treated in time, and diseased leaves should be removed in time.

Grey mold disease

Symptom

The tip of the leaf changes color and the leaf is wrinkled. If the environment is too cold and wet, the flower stem is easy to rot. In severe cases, the leaves will produce gray sclerotia. In particular, the disease in the soil during the winter will produce spores, accelerate the spread.

Prevention and cure method

Reduce the source of infection: find diseased leaves and remove them in time.

Chemical control: Bordeaux solution was sprayed, mixed according to the ratio of 1: 1 / 1000, sprayed 2 times 3 times, 1 / 2 days apart.

Root nodule disease

Symptom

It mainly harms the root, the root system grows normally at the beginning of the disease, and many small white tumors grow on the root system to a certain extent. The plant grows weakly, sometimes the floret dries up, and when it is serious, the whole plant dies.

Prevention and cure method

During the storage period, the bulbs should be sterilized strictly, and the storage environment should be well ventilated and the temperature should be suitable. Check once a week to see if it is abnormal and burn the diseased plant in time.

The soil must be disinfected before planting.

Careful maintenance, found that there are dead branches and leaves on the soil surface should be removed in time. Do not often turn the root in the process of maintenance, so as not to hurt the root system and increase the probability of disease.