Sclerotinia sclerotiorum mainly spreads through seeds, soil (mainly sclerotia), uncooked fertilizers, and diseased bodies. Therefore, in addition to the prevention and control of rapeseed sclerotinia during the growth period of rapeseed, rotation should also be adopted during sowing, and the preventive measures such as rotting fertilizer, formula fertilization, and seed treatment after high-temperature sterilization should be adopted, so that this disease can not be exploited. The machine. The following describes the seed treatment method before sowing: 1. Saltwater seed selection and warm-soaking soaking seed selection with 1:10 salt water, can remove a portion of the seeds and maggots with bacteria, and then placed in 55 °C ~ 60 °C water treatment for 10 minutes Kill the germs on the surface of the seed coat, soak it in cold water and soak it to dry. 2. Sulfuric acid aqueous ammonia seed selection with 10% to 15% sulfuric acid ammonia water selection, after the selection of seeds washed with water after drying can be sown.
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