Talking about the Soaking Technique of Vegetable Seeds
Before sowing seeds, soaking the seeds can promote the water absorption and germination of the seeds. The seeds germinate quickly and neatly, and the germination rate is high. At the same time, the pathogens on the seed coat can be killed, which is beneficial to the robust growth of the plants. Let's talk about the soaking techniques of vegetable seeds.
First, ordinary soaking
For common soaking, soak the seeds with water at 20 ° C to 25 ° C, remove the sorghum seeds floating on the surface, wash the seeds by hand, remove the pulp, peel, mucus, etc. sticking to the seed coat, and soak them in water. Soaking time varies with the characteristics of various vegetable seeds. Generally, the soaking time of seeds such as cabbage, cabbage, kidney bean and cucumber is 2 hours to 4 hours, eggplant and pepper are 4 hours to 8 hours, and melon is 12 hours to 24 hours. hour.
Second, warm soup soaking
Soaking in warm soup is a physical disinfection method. It is soaked in warm water above 40 °C. The temperature of water and soaking time are determined by the variety of vegetables. Generally, the seeds are first wrapped with clean gauze, soaked in 55 ° C constant temperature water for 15 minutes to 20 minutes, then placed in clean water to soak, solanaceous vegetable seeds soak for 4 hours to 8 hours, beans seeds 2 hours to 4 Hours, pumpkin, cucumber, melon and loofah seeds for 4 hours to 8 hours, bitter gourd for 12 hours to 24 hours, then taken out to dry to be germinated or sowed; watermelon, carrot, spinach, radish, cabbage soaked in constant temperature water at 55 ° C for 7 minutes After 8 minutes, stir constantly, then take it out and put it in clean water to soak it. Soak the watermelon, carrot and spinach seeds for 24 hours, soak the radish and cabbage for 1 hour to 3 hours, then take it out to dry or germination. The celery seeds were soaked in warm water of 48 ° C for 30 minutes. Green onions and onion seeds were soaked in warm water at 50 ° C for 25 minutes. Cabbage and broccoli were soaked in warm water at 50 ° C for 20 minutes. Pepper seeds were soaked in warm water at 55 ° C for 30 minutes.
Third, the drug soaking
1. Potassium permanganate (a surgical medicine commonly used in humans and animals for medicine, commonly known as PP powder): Green onions and onions are soaked for 20 minutes with 0.1% to 0.2% potassium permanganate solution.
2. Streptomycin: Kidney bean seeds were soaked with 500 times of streptomycin sulfate for 24 hours, and radish seeds were soaked with 75% of agricultural streptomycin 1000 times for 2 hours.
3. Daisen Zinc: Radish seeds are soaked with 45% Dyson zinc water 1000 times solution for 15 minutes to 20 minutes.
4. Carbendazim or formaldehyde: soaking seeds with 50% carbendazim 250 to 500 times for 2 hours to prevent eggplant blight and verticillium wilt, soaking seeds with 40% formaldehyde solution for 5 minutes to prevent vegetable seedling disease And many other diseases.
Fourth, soaking notes
When the warm soup is soaked, it should be continuously stirred to make the seeds evenly heated. At the same time, according to the requirements of different water temperatures, hot water is continuously added to ensure that the required temperature is maintained within the specified time, and the water temperature cannot be lowered. The soaked container should be clean, the water should be moderate, and the water should just be submerged. It should be changed after soaking for 4 hours to 5 hours. The soaking species floating on the water surface should be removed during the soaking process. The concentration and dosage of the drug soaking must be in accordance with the standard, the concentration should not be too high, and the dose should not be increased. After soaking the seeds, rinse the seeds with water to remove the pesticides on the seeds to avoid phytotoxicity after sowing, affecting seed germination and seedling growth.
The soaking technology about vegetable seeds is mentioned today, and I hope that farmers' friends can learn what they need from the above.
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