2. Pot soil preparation: select culture materials with wide sources, low cost, no pests and diseases, no pollution, such as humus soil, peat soil, pastoral soil, sandstone, etc., and require the soil to be loose, fertile and rich in organic matter and calcium.
3. Seed selection: at the fruit maturity stage, select the fully mature fruit with large fruit, rich juice, thin skin and no pests and diseases from the excellent mother plants; The seedling raising time is usually from September to May of the following year.
4, seed germination accelerating treatment: after the seeds are soaked in water for 2-3 days, they are washed by hands to remove the outer colloid of the seeds; Seed can be sown after 20-30 minutes of seed dressing with10 ~15g carbendazim or thiophanate methyl. When sowing, the seeds are evenly spread on the bed for accelerating germination, covered with a layer of fine river sand of1~ 2 cm, and watered after sowing.
5. Transplanting to the pot: Before transplanting, water should be poured to make seedlings easy to grow, and attention should be paid to maintaining the root system; The transplant depth is that depth at which seedlings are germinate and planted; Seedlings are planted as they are taken; After transplanting, pour enough water for root setting.
6. Soil replacement: After the plants grow in the pot for 1-2 years, because the nutrients in the pot soil are gradually decreasing, it is necessary to replace the big pot or pot soil at this time, or the pot soil needs to be replaced. When changing pots or soil, cut off some dead roots and water them immediately after changing pots and soil.
7. Fertilization: Apply cake fertilizer 1 time every 7- 10 days from the seedling height of about 20cm until the end of September. For those that have already borne fruit, in order to ensure the fruit development, it is best to apply 1 time every 5 days. After the fruit is harvested, it should be applied according to the pot seedlings. It should be noted that sufficient water should be poured after fertilization. At the same time, foliar fertilization can also be carried out. The specific operation is: spraying 0.1%-0.3% urea solution for 2-3 times in the early growth stage of passion fruit; 0.3% potassium dihydrogen phosphate solution can be sprayed 3-4 times every 7- 10 day from the fruit expansion stage.
8. Water: The most suitable watering time for passion fruit potted plants is before 10 am and after 4 pm; The watering frequency depends on the seasonal weather conditions. Generally, water is watered every 2-3 days in early spring, and it can be watered once every 1-2 days as the temperature increases. After the temperature gradually decreases in autumn, it is advisable to reduce the watering frequency by wetting the basin soil.
9. Disease control: There are few pests in potted passion fruit, and the focus is on diseases. Common diseases include downy mildew, white rot, anthracnose and black pox. You can spray 3-5 Baume of sulfur mixture during the dormant period of passion fruit, and spray it every 10- 15 days after germination.
Extended data:
The function of passion fruit
1, passion fruit is rich in vitamins, microfiber, protein and hundreds of other elements that are very beneficial to the human body, and the taste and fragrance are extremely beautiful, which can enhance the human body's resistance and improve immunity, especially for children and pregnant women. It is very helpful for physical development and growth;
2. The microfiber contained in passion fruit can enter the tiny part of the human stomach for deep cleaning and detoxification, but it will not cause any damage to the intestinal wall, and has the effects of improving the absorption function of the human body and invigorating the stomach;
3, because the passion fruit can enhance the digestion and absorption function, make the human body defecate normally, and will not block the intestine, so it is also very beneficial to relieve constipation symptoms;
4. beauty beauty, which is not only rich in nutrition, but also can give people a feeling of satiety, thus reducing people's intake of other high-calorie foods and helping to improve the nutrient absorption structure of the human body, especially the Vc contained in it, which has beauty beauty and anti-aging effects.
References:
Baidu encyclopedia-passion fruit