As the soil-borne diseases of strawberry are relatively serious, and currently it is mainly controlled by chemical methods, the adoption of long-term chemical control methods will make the resistance of strawberry pathogens unfavorable to the long-term effective prevention and control of strawberry diseases, so it should also be combined with effective production and cultivation. Technical means and methods are used to achieve effective control of strawberry diseases. The selection of disease-resistant varieties and the cultivation of disease-resistant seedlings can easily occur from the seedling stage, and robust strawberry seedlings are resistant to disease. Therefore, it is very important to cultivate robust seedlings. First, the use of anther culture and other techniques to cultivate virus-free parent strain; Second, disease-free seedlings, and disease-free seedlings; Third, in accordance with various types of seedlings standards, implement the cultivation measures, pay attention to seedling pest control . Strengthen the cultivation and management of the following specific measures: the application of high-quality basal fertilizer to promote healthy growth of strawberries; the use of sorghum planting, improve the ventilation and light conditions; rational close planting, reduce the inter-plant strawberry humidity; mulching film to avoid fruit contact with the soil; prevent high temperature and humidity, Create a good environment for growth; avoid leggy and improve plant disease resistance; do a good job in the field and eliminate the source of pathogen infection. After planting strawberries for two years, it is necessary to carry out paddy crop rotations with rice and other grass crops. Physical control methods Physical methods such as space electric field, plasma and soil electrical treatment can achieve effective prevention and control of strawberry soil-borne diseases. The method of space electric field is mainly to suspend the electrode wire above the greenhouse roof beam or shed beam by several insulators laid evenly along the greenhouse in a longitudinal direction. The electrode wire is about 2.2 to 2.4 meters away from the ground. At the same time, a number of vertical lines are attached to the electrode line, the end of which is approximately 30 cm from the ground. In this way, it is possible to increase the strength of the electric field, purify the air, and generate a large amount of oxidants, so as to achieve superior sterilization and disease prevention effects. In addition, the prevention and treatment of strawberry diseases can be effectively controlled by plasma control methods. The main method is to lay the plasma tube directly along the length of the ridge on the high enthalpy surface. It should also be noted that the diffuser holes in the plasma tube must be changed to micropores so that the plasma can be automatically intermittently applied and must be avoided at the same time. The concentration of ozone in the plasma around the strawberry seedlings is too high. Solar energy combined with chemical fumigation method for the effective prevention and control of soil-borne diseases, can usually use the fumigation method, but the use of chemical agents for fumigation, although the effect is obvious, but the price is often higher. Therefore, the method of disinfecting soil with high-temperature sterilization of solar energy combined with potassium permanganate and formaldehyde fumigation can be used, and soil disinfection can basically restore the planting level of head lice. This method must completely remove the soil plants and the residual root system, while applying enough base fertilizer, and deep-slope the soil, and the soil pieces will be broken and flattened to make the soil loose and dry. The fumigation season should be in the hot season, June or July. The applied potassium permanganate and formaldehyde solution can be selected from commercially available industrial chemical products.
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