Method for preventing and treating cucumber fusarium wilt through combination of organic fertilizer and biological fumigation

The invention discloses a method for preventing and treating cucumber fusarium wilt through combination of organic fertilizer and biological fumigation, and belongs to the technical field of agricultural disease prevention and treatment, and the method comprises the following steps: S1, preparation of sterilized soil: sieving test soil, and then performing high-temperature sterilization to obtain the sterilized soil; s2, sick soil preparation: inoculating fusarium oxysporum into a PDA liquid culture medium, filtering out hyphae to prepare a prepared spore suspension, and inoculating the spore suspension into sterilized soil to prepare sick soil; s3, fumigation treatment: cutting leaves of the rhubarb rape in a seedling stage, cleaning, freezing and preserving, cutting into small sections, uniformly mixing with organic fertilizer and sterilized soil according to a ratio, putting into a flowerpot, sealing with a preservative film, and performing biological fumigation. The problems that in the prior art, the yie