How to choose the best tuber of Gastrodia elata for seed
No damage, no diseases and insect pests, no deformity of Gastrodia elata tuber is the best cultivation. However, when the seed is scarce, the tuber is not seriously damaged, it can also be planted and cultivated after treatment. The treatment method is: first cut off the damaged part with a knife or bamboo, the knife edge is insolated to the extent that it does not run pulp, and then plant it, which can grow as usual.
After a year of cultivation, it can be turned into a large arrow hemp. Arrow hemp to do asexual reproduction of seed cultivation must break the top of the arrow hemp "parrot mouth"-like mixed buds, so that arrow hemp does not produce arrows (no longer stem), called "killing arrows". After killing the arrow, it should be hung to dry, so that the part of the broken bud can form a film (no longer exosmosis) before it can be cultivated, otherwise it is easy to rot. 3-5 large, medium white hemp and a small amount of millet hemp can be grown one year after arrow planting.
Large white hemp can be processed into commercial hemp as medicine, but it is not cost-effective to cultivate it as a species, but some people have used the method of killing arrows to kill buds (mainly to break the top advantage). The method of killing buds is the same as that of arrow hemp, cutting out buds with a sterilized knife (because the buds of hemp are small, you can't break them off with your hands). Each time it is cut, the knife is disinfected once, and then the hemp body is slightly exposed to the sun, so that the exudate slurry of the cut part is dried into a film. After the film is formed, don't continue to dry, take it back and plant it immediately. After planting, many bud eyes on the hemp body can sprout more new hemp successively, some of which grow into arrow hemp, some grow into white hemp, and some grow into small hemp. A large white hemp can produce several arrow hemp, white hemp and a lot of millet hemp. During the harvest of Dongfeng 3 team of Dishuipu Commune in Ningqiang County, Shaanxi Province in the spring of 1975, there was a withered white hemp with an original weight of 20 grams, and eight arrow hemps (weighing 0.925 kilograms), seven white flax (weighing 0.15kg) and 78 flax rice were grown all over the body.
The number of Arrow hemp and white hemp is mainly determined by the nutrition and degree of Armillaria mellea. If the supply of nutrition is sufficient, there will be more arrow hemp, white hemp and millet hemp.
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How to plant Gastrodia elata
Gastrodia elata, alias Red Arrow Ding Fengcao, tomorrow Ma, etc., for the orchid plant Gastrodia elata species. Taking tuber as medicine, it has the effect of relieving wind and relieving spasm, and mainly treats rheumatism, waist and knee pain, limb spasm, vertigo headache, infantile shock and so on. Gastrodia elata is a perennial symbiotic herb. Mature plants include underground tubers and aboveground flowering stems. Rootless, stem solitary, erect, 100cm tall, no green leaves, only degraded scalelike leaves, clasping, racemes, tubers fleshy, oblong. Gastrodia elata prefers a cool and humid climate with a relative humidity of 70% to 90%.
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How to carry out the initial processing of Gastrodia elata
As a fresh sale, Gastrodia elata should maintain no collision, no beating, no mechanical scars and so on after harvest, then gently brush off the sediment from the flax body with a soft brush and load it into a soft-lined wooden box or plastic box. Such as processing dry hemp, it takes a long time, generally there are water boiling method and cage steaming method for ripening, and then take the way of drying or sun drying. Cage steaming and Kang drying are generally used in actual production, and the operation process is as follows: Gastrodia elata selection-rinsing with clean water-steaming over high fire-50 ℃ Kang drying for 60 minutes 60 ℃ Kang drying for 60 minutes 70
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