Based on the occurrence of diseases and bacterial infection in seeds in various places, different methods and different chemicals should be selected for seed treatment before sowing according to local conditions.
(1) Drying In order to improve the germination potential of the seeds, the seeds can be dried for 2 to 3 days before sowing, 2 to 3 hours a day, and then placed in a cool place to dissipate heat. This method can improve the viability of seeds after long-term storage.
(2) Seed soaking in warm soup. In order to prevent the seeds from carrying bacteria, you can soak the seeds in warm soup. The specific method is to first soak the seeds in cold water for 10 minutes, then soak them in warm water at 50 to 54°C for 30 minutes, immediately transfer them to cold water to cool, and then take them out and place them in a ventilated place to dry before sowing.
(3) Chemical seed dressing
① In order to prevent downy mildew, black rot and other seed-borne diseases, 0.3% to 0.4% of the amount of seed can be used. , thiram or mancozeb and other chemicals for seed dressing.
② In order to prevent and control soft rot, 1% to 1.5% of the seed weight of agricultural resistance 751 or 0.2% of the seed weight of 70% DTM wettable powder can be used for seed dressing.