Soaking seeds. In order to prevent common and frequent pepper anthracnose, bacterial spot disease and viral disease, the seeds are pre-soaked with water for 5 hours, then placed in 1% copper sulfate solution, 10% trisodium phosphate solution, 2% hydroxide. Soak each in the sodium solution for 10 minutes, remove it and wash it with water to carry out germination.
Change the temperature and germination. The soaked seeds are wrapped in a damp cloth and placed in a warm place to germination. Control 18 hours per day at 28-30 °C and 6 hours at 16-20 °C. It is regularly turned and washed twice a day to make it evenly affected by heat and germination. Generally, when the germination reaches 80% or more in 4-7 days, the temperature can be lowered to 10 ° C for low-temperature refining for about 7 hours, to be broadcast.
Seeding the seedlings. Prepare the seedbed according to the conventional requirements. Each square meter of seedbed is prepared with 50 kg of farmyard manure such as vegetable garden soil or grass ash and livestock manure residue which has been dried and smashed and sieved. Before sowing, pour the bottom water of the seedling bed. After the water is completely infiltrated, lay a layer of nutrient soil about 5 cm thick, spread the germinated seeds evenly on top, and then cover a layer of 2-3 cm thick nutrient soil. Paving the mulch and laying a small arch shed to cover the film to increase the moisture and moisturize, and promote the early seedling, the seedling, and the seedling. After 70% of the buds are emerged, the mulch is removed in time and cultured according to conventional methods. After the seedling cotyledons are flattened, the conventional method is used, and the temperature in the shed is controlled at 25 °C - 30 °C.
Seedlings are planted. When the seedlings grow to 4-5 true leaves, the rows and the holes are 10 cm square, and each hole is transplanted into the adjacent arch shed for cultivation. When 10-20 pieces of true leaves and seedling ages are 90-110 days, they can be transplanted in the field in sunny days. Other management methods are the same as usual.
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Introduction and application of plant extracts
Plant extracts are chemical substances with biological activity extracted from plants, including nutrients, active ingredients, pigments, fragrances, acids and bases in plants.
Pharmaceutical field: plant extracts can be used to prepare drugs, such as using honeysuckle extract to prepare cold medicine, using licorice extract to prepare anti-inflammatory drugs, etc. At the same time, plant extracts can also be used to produce health products, such as the use of grape seed extract to prepare antioxidant health products.Cosmetic field: plant extracts can be used to prepare cosmetics, such as the use of green tea extract to prepare skin care products, the use of lavender extract to prepare perfumes, etc. The natural properties of plant extracts make them have a wide range of application prospects in cosmetics.
Food field: Plant extracts can be used to prepare food products, such as tea beverages using tea polyphenol extracts and fruit juices using anthocyanin extracts. The natural properties and biological activities of plant extracts make them have a wide range of application prospects in food.
In the field of health care products: plant extracts can be used to prepare health care products, such as the use of grape seed extract to prepare antioxidant health care products, the use of yeast extract to prepare immunity-enhancing health care products, etc. The natural properties and biological activities of plant extracts make them have a wide application prospect in health care products.
In conclusion, plant extracts have a wide range of application prospects to meet people's pursuit of natural, healthy and green lifestyles.
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