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Herbal flower seed storage method
First, processing after harvest 1. Do a good job of cleaning the flower seeds. After the seeds are harvested, they must be cleaned. After the whole plant is pulled out, it is dried and then threshed. Even the fruit is harvested to remove skin, flesh and various appendages. Flower seeds are small in size, light in weight, and some species of belts are short-thorned, easy to adhere to or mixed in sclerotia, insects, eggs, weed seeds, and other living impurities and residual leaves, sediment, and other non-living impurities. 2. Reasonably dry. After the herbs and flowers have been harvested, they must be sun-dried with the shells. Do not place the seeds on the cement drying field or in a metal container in the sun, otherwise it will affect the vitality of the seeds. The seeds can be placed on canvas, mats, and bamboo mats to dry. Some seeds are afraid of light and can be naturally air-dried. That is, the seeds are placed in a ventilated, sheltered room so that they are naturally dry. The safe moisture content of general herbaceous flower seeds is less than 7%. Second, storage technology points 1. Select the correct packaging method. Flower seeds are generally less in number, have a shorter lifespan and are more expensive. In most cases, polyethylene foil composite film bags are used, and the jacket is generally a paper seed bag. Flowers containing aromatic oil should be stored in metal cans, wooden boxes or tinted glass bottles. Canned, aluminum foil bags can also be vacuumed or semi-vacuum when sealed to reduce the amount of oxygen in the container. The name of the seed and the year, month, day and age of the harvest should be correctly indicated outside the seed bag. 2. Low temperature moisture storage. The seeds that have been washed and dried to a safe moisture content and packaged in aluminum foil bags or metal cans should be stored in a dry, sealed, low temperature (2-5°C) condition. Seed bags or cans should be placed on a shelf or table about 50 cm away from the ground. Avoid seed bags directly touching the ground to prevent moisture. A small amount of seeds can be stored in a desiccator. The dryer can use glass bottles, cans with small mouth and lid, plastic barrels, etc. At the bottom, quicklime, silica gel, dry grass ash, charcoal, etc. are used as desiccants, and seed bags are put on, and then placed in a cool, dry place. Third, herbaceous flower seed life Seeds are alive, the strength of their vitality and the length of seed life are closely related to storage conditions. Seeds under warm, moist and unobstructed air conditions are active. The seed nutrients are quickly consumed, the seed life is shortened, and seeds that have lost their viability cannot be used for sowing and raising seedlings; they are at low temperature, dry, and in slow air circulation. The seed life activities are slow and the seed life can be relatively extended. Therefore, 1-2 years of herbaceous flower seeds should be kept at low temperature, dry, and confined conditions. Preservation of Phlox, Kochia, Primulae for 1 year; 2-3 years of preserved butterfly flower, haloxylin, pansy, marigold, beautiful cherry, aster, daisy, nasturtium, fragrant bowl Beans, corn poppy, cultivars, clusters of red, straw chrysanthemums, snapdragons, cornflowers; half-branched lotus, zinnia, candied bamboo, snakebane, violet, dwarf Cow, pansy, cockscomb, calendula. Fourth, flower seed storage management measures 1. Clearance and disinfection. The rubbish, chemical fertilizers, and pesticides in the warehouse are removed, and tar paper is laid in the warehouse as a moisture barrier to reduce ground moisture absorption by the seeds. Dilute with 80% dichlorvos and spray. Close the doors and windows for 48 hours (hours) and ventilate for 24 hours (hours). Do not use a smoker. 2. Reasonable stacking. There are many varieties of flower seeds and their grades are different. However, the number of seeds is not large. Store in a warehouse about 50 centimeters from the wall and 50 centimeters away from the ground. Do a good job of labeling, indicating its location, quantity, and packaging to prevent mixing. 3. Proper ventilation. Breathing seeds produce large amounts of heat, and proper ventilation can cool and spread the wetness. Generally speaking, it is based on the principle that "the weather is closed by snow, the water is dripping into the ice, and opened early in the morning and opened late, and the fog is not open at night". Ventilation uses natural ventilation and conditional mechanical ventilation. 4. Be diligent in checking. The warehouse should be inspected in a timely manner and the water content and germination rate of the seeds should be tested after the seeds have passed the summer or winter. Set up temperature and humidity meters at various points in different parts of the warehouse, schedule regular measurements and record well. It is important to keep the low-temperature, low-humidity environment in which the seeds of flowers are stored to prevent the mildew or germination rate of the seeds from decreasing.