FS004 Blueberry Seed (100 seeds/bag)

· Blueberry seeds, with 100 seeds in each pack. Blueberry seeds are small granules, mostly dark brown in color. Blueberry fruits are rich in various vitamins, minerals, and antioxidants, such as vitamin C, vitamin E, anthocyanins, etc., and have extremely high nutritional value. The blueberry plant is a shrub with an attractive tree shape. It is suitable for both large - scale orchard planting and home courtyard or balcony potted planting. The fruits can be eaten fresh and can also be used to make jams, wines, etc.

1. Prepare the substrate: Blueberries are suitable for growing in acidic, loose, breathable soil rich in organic matter. You can mix peat soil, pine needle soil, and perlite in a ratio of 3:2:1 evenly as the sowing substrate. Put the substrate into a seed - raising container, such as a seed - raising tray or a small flowerpot, and water it thoroughly to make the substrate fully moist.

2. Seed treatment: Blueberry seeds have dormancy characteristics and need to be germinated. Wrap the seeds with a wet paper towel, put them in a sealed bag, and then place them in the refrigerator's cold storage compartment (temperature 2 - 5 degrees Celsius) for 2 - 3 months. Keep the paper towel moist during this period and check the seeds every once in a while. After the cold storage is over, take out the seeds and place them in a warm (20 - 25 degrees Celsius), ventilated place with scattered light. Rinse the seeds with clean water once a day. When the seeds show white, they can be sown.

3. Sowing operation: Evenly sprinkle the germinated seeds on the surface of the substrate. Pay attention to keeping the seed spacing at about 1 - 2 cm to avoid being too dense. Since the seeds are small, gently cover a thin layer of soil about 0.5 cm thick after sowing, and then use a sprayer to gently spray water to make the seeds fully contact the soil.

4. Moisture and light preservation: After sowing, cover a layer of plastic film or plastic wrap on the seed - raising container to maintain humidity. Place it in a brightly lit place but avoid direct sunlight, and keep the temperature between 20 - 25 degrees Celsius. Open the film for ventilation for 1 - 2 hours every day to prevent the seeds from mildewing due to excessive humidity.

5. Management after emergence: Generally, the seeds begin to emerge about 2 - 3 weeks after sowing. After emergence, remove the covered film in time and gradually increase the light duration, but avoid direct strong light. Keep the substrate moist, following the principle of "watering when the substrate is dry". That is, when the surface of the substrate is dry, water it, and water thoroughly each time. When the seedlings have 2 - 3 true leaves, thin out the seedlings, remove the weak and over - dense seedlings, and keep the strong seedlings. When the seedlings have 4 - 5 true leaves, they can be transplanted into a larger flowerpot or planting area. Pay attention to protecting the roots during transplantation and try to transplant with soil.

a. Soil pH: Blueberries have strict requirements for soil pH. The suitable soil pH value is between 4.0 - 5.5. Before sowing and during the planting process, regularly test the soil pH. If the pH does not meet the requirements, sulfur powder can be added to reduce the soil pH, or lime can be added to increase the soil pH. However, the adjustment process should be carried out slowly to avoid harming the seeds and plants.

b. Temperature control: The germination of blueberry seeds and the growth of seedlings are relatively sensitive to temperature. If the temperature is too low, the seeds germinate slowly or do not germinate at all; if the temperature is too high, the seedlings are prone to spindly growth and reduced resistance. During sowing and seedling raising, maintain an appropriate temperature, especially in winter and summer, take corresponding heat - preservation or cooling measures.

c. Light management: Blueberry seedlings need sufficient light, but in the initial stage of germination and the seedling stage, too strong direct light will burn the seedlings. As the seedlings grow, gradually increase the light intensity and duration, but in the high - temperature period of summer, appropriate shading is required to avoid direct strong light.

d. Water management: From sowing to emergence, keep the substrate moist, but there should be no waterlogging, otherwise the seeds are easy to rot. After emergence, water the plants reasonably according to the dry - wet condition of the substrate. Avoid over - watering, which may cause root hypoxia and rot, and also prevent the substrate from being too dry, which will affect the growth of the seedlings. It is best to use acidic water for watering, such as rainwater or acid - treated tap water.

e. Pest and disease control: Common pests and diseases of blueberries include powdery mildew, gray mold, aphids, fruit flies, etc. Keep the planting environment well - ventilated, regularly clean up fallen leaves and diseased plants, and reduce the breeding environment of pests and diseases. Regularly check the plants. Once pests and diseases are found, take corresponding control measures in a timely manner. For powdery mildew and gray mold, fungicides such as carbendazim and thiophanate - methyl can be used for spray control; for aphids and fruit flies, insecticides such as imidacloprid and beta - cyfluthrin can be used for control, and at the same time, hang yellow boards and sugar - vinegar liquid to trap adult fruit flies.