Strawberry gray mold pathogens are mainly transmitted by airflow, watering or farming activities. When the air humidity is high or it is rainy after watering, the terrain is low and the water is accumulated, and gray mold is more likely to occur.
1. Thoroughly remove the diseased residues of the previous crops before planting, and carry out deep-turning and rinsing, spray disinfectant on the surface, shed film and wall, and use with 800 times liquid of new high-fat film. To enhance the efficacy.
2, using high mulch film mulching or drip irrigation water-saving cultivation, strengthen field management, timely watering and topdressing, spraying strawberry fruit juice before flowering, young fruit, and expansion period, respectively, to improve strawberry cycle fruit set rate, coordination Balanced nutrition and improved strawberry resistance. After watering, it is necessary to increase the amount of air in the greenhouse.
3, timely inspection, found that the symptoms of the disease should be removed in time, diseased flowers, diseased fruit, etc., brought out of the shed to destroy, sprayed with targeted fungicides for prevention and treatment, can be combined with the new high-fat film 800 to enhance efficacy, to consolidate Control effect.
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