The latest control methods of strawberry bacterial wilt

Strawberry bacterial wilt is a kind of strawberry disease, which mainly harms the plant stem, so it is also known as strawberry stem wilt. This disease occurs in all honey-producing areas in China, and the incidence has gradually increased in recent years, seriously affecting the development of strawberry industry. So how to control strawberry bacterial wilt? Let's get to know it.

1. Symptoms

Strawberry bacterial wilt is caused by a kind of bacterial wilt, after the disease, the plant will gradually appear rust spots, and will gradually expand to the inside of the stem, the rust color will gradually deepen, brown in the middle, black in the later stage, until the plant dies. At the initial stage, it may show plant wilting, which is similar to sunburn, will return to normal after watering or at night, and will continue to wither in the middle and later stage of the disease. at the same time, the rust spots mentioned above will appear in the rhizome, which should be paid attention to when distinguishing.

2. The regularity of the disease

The occurrence of bacterial wilt is mainly related to temperature and humidity, the more high temperature and humidity environment, the more likely to occur the disease, the specific temperature above 22 degrees, humidity more than 40%. In addition, bacterial wilt is also very easy to occur in the seedling stage and the later stage of harvest, the resistance of the plant in the seedling stage is weak, and it is easy to be infected by pathogens. At the end of harvest, because the fruit has just been harvested, the plant loses a lot of nutrition, and the disease resistance is weak. Germs will take advantage of the opportunity to cause the plant to get sick.

3. Prevention and control methods

A great deal of experience has learned that the best way to prevent bacterial wilt is flood-drought rotation. In addition, bacterial wilt will also harm tomato, eggplant, chili and other eggplant vegetables, so it is necessary to rotate with these crops reasonably. In the construction of the garden, we should choose plots with unobstructed drainage, good ventilation and sufficient light, turn the soil 30 centimeters deep before planting, disinfect after drying, strengthen field management after planting, remove withered branches and leaves in time, and pay attention to field drainage after rain. to avoid high temperature environment. Several key points of strawberry growth can be controlled by spraying fungicides at the seedling stage and irrigating the roots with agricultural streptomycin before film mulching. Spray Bordeaux liquid to sterilize after heavy rain. If the plant has been sick, it can be targeted to spray some drugs to control the spread of bacterial wilt and prevent the further development of the disease.

The above is the introduction of strawberry bacterial wilt control methods, hope to help you, want to know more related knowledge, please pay attention to us.