Agricultural control 1. Rational rotation. Reasonable rotation should be carried out in places where conditions permit, so as to reduce the number of pathogenic bacteria and reduce the occurrence of diseases. 2. Select resistant varieties and disease-free seedlings. 3. Remove old leaf disease leaves in a timely manner, and bring old diseased leaves out of the field and destroy them to reduce the chance of re-infection. 4. Rational fertilization to prevent partial application of nitrogen fertilizer. 5. Reasonably irrigate, control the humidity in the shed to reduce the occurrence of disease. The key to chemical prevention and control is prevention, and we must master two points: First, timely prevention and control, spraying before flowering to prevent 2 times, spraying immediately after the onset of disease prevention and control in the early stage of onset of disease, serious incidence of field to continuous drug control 2 ~ 3 times. The second is the selection of pharmaceuticals. The selection of pharmaceuticals should take into account the characteristics of strawberry growth. Because of the high economic value of strawberries, the environment for growth of greenhouses in strawberries is relatively closed. The selection of pharmaceuticals must first consider safety, especially in the flowering period, and safety should be considered. Myclobutanil, the world's high control effect, safe production of strawberries, can be used in large areas, the use of 12.5% ​​myclobutanil and 10% Shigao to 1500 times as good, production should not blindly increase the concentration, especially myclobutanil, High concentrations have an adverse effect on strawberry growth. The prevention and treatment of strawberry powdery mildew in greenhouses should be based on prevention. It is not appropriate to use the same pesticide for a long period of time alone. It should be used interchangeably to improve the control effect and prevent disease resistance. Shaanxi Hongbaiyi Biotech Co., Ltd. , https://www.sxhongbaiyi.com
The control of strawberry powdery mildew in greenhouses should be based on prevention, comprehensive prevention and control, and the combination of agricultural control and chemical prevention so as to achieve the purpose of improving yield and quality.
Strawberry Strawberry Powdery Disease Prevention
Powdery mildew is a major disease in strawberry in greenhouses and occurs throughout the growth period of strawberries. Especially after the budding and flowering of strawberry enter the fruit-producing stage, the damage is the most serious, which seriously affects the growth, development, yield and quality of the strawberry.