Seed retention of Angelica sinensis
Seedling transplanting requires the use of moderately mature seeds from flowering in the third year. A plant has many lateral buds in addition to the main buds. Both main buds and lateral buds can bolt, blossom and bear fruit. Flower branches and seeds can also grow in the armpits of the main stem. Due to the different growth time of each flower branch, the flowering time and seed maturity are first and later. Therefore, when collecting seeds, we must often go to the field for observation. Looking down from the top of the flower stem, we can see that the first ear is pink, the second ear is light red, and the third ear is light yellow, which needs to be harvested (usually in the first and middle of August). Overmature seeds, seedling transplanting, will bolting early, so it is best in the seed medium well, fold off the ear, insert in water or wet soil, or rolled in Artemisia annua, after 12 to 48 hours, see white has completed the post-ripening effect. Tie the harvested ear into small handfuls, hang the stalk with branches in a smokeless, dry and ventilated place, make it fully dry (water content less than 8%), then remove impurities, seal and store in a dry and cool place. Avoid exposure, baking and rain.
Direct seeding cultivation must select biennial seeds with high maturity and full grains. Direct seeding with such seeds will result in early emergence, vigorous seedling growth and rapid growth, which is an important factor to obtain high yield. However, such seeds are only suitable for direct seeding and cannot be used for seedling breeding.
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The processing of Angelica sinensis
Angelica sinensis has a wide range of pharmacological effects and is a very commonly used traditional Chinese medicine. Therefore, different slices are often made in application. The common prepared slices are "Radix angelicae Sinensis", "Angelica sinensis", "Angelica sinensis tail", "fried Angelica sinensis", "Angelica charcoal", "oil fried Angelica sinensis", "wine fried Angelica sinensis" and so on. It is described as follows. (1) Radix angelicae Sinensis: take the original medicinal materials of Angelica sinensis, remove impurities, wash, moisten thoroughly, cut into thin slices, dry in the shade or dry at low temperature. (2) Angelica sinensis: rinse and moisten Angelica sinensis with water.
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Processing method of Angelica sinensis
After harvest, shake the soil, pick out the rotten roots, remove the residual petiole, wait for the water to evaporate slightly, tie it into a flat handle weighing 0.5 kilogram, and put it in the smoke shed. A 130 cm high scaffolding is built in the smoke shed, which is covered with bamboo strips, and Angelica sinensis is laid flat and upright alternately, with a thickness of 30 cm to 50 cm. Using bean straw, wet poplar and willow as fuel, spray water to make it smoke, no open fire, smoke color, until the skin of Angelica is crimson, change to coal fire or firewood (grass) fire for about 10 days, overturn
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