Pre-sowing preparation of sexual reproduction of Gastrodia elata
The sexual reproduction of Gastrodia elata is carried out by using the hybrid seeds of Gastrodia elata under the joint action of germinating bacteria and Armillaria mellea. The growing period of sexual reproduction of Gastrodia elata is one and a half years, that is, it is planted from June to July of that year, and harvested at the end of the second year. It is characterized by small investment, high success rate and stable yield. it is an advanced high-yield planting technique of Gastrodia elata in our country at present.
1. The choice of planting site the growth of Gastrodia elata hardly needs sunlight, so it can be planted in basements, air-raid shelters, mountain streams and other places with certain ventilation conditions, as well as all idle land such as courtyards, roadsides, roadsides, slopes, forests, bamboo gardens, etc. Indoor planting is encouraged in places with higher temperatures, such as the semi-mountainous areas and plain areas. Gastrodia elata sexual reproduction as far as possible to use river sand, hemp bone stone sand, and so on, in places where there is no river sand, we should also choose sandy loam with a sand content of more than 50%.
Second, prepare materials 1. Prepare sand. The quantity should be determined according to the planting scale. Generally, three loads of sand can be planted in two holes, and the sand is suitable for coarse sand the size of mungbean. If you plant indoors, it is a cement floor, but also prepare walnut-sized pebbles, the number of planting sites can be covered with 10 cm thick is appropriate. two。 Prepare wood, sawdust, branches and leaves. The wood of oak is better, in addition to birch, sugar pear wood, milk and other broad-leaved species. Sawdust, branches and leaves are also used, and coniferous species can not be used. The wood and branches should be fresh and can be cut or planted within half a month before planting. Sawdust should be fresh sawdust with bright yellow color and no miscellaneous bacteria infection. The leaves should be the ones that fell on the ground last year, and it is advisable to be half-rotten. The wood is 10 knots per hole, the thickness is 6ml 8cm, the length is 50cm, the sawdust is 1.5kg per hole, and the branches and leaves are 1kg each. To sterilize miscellaneous bacteria, prepare a bottle of carbendazim or laisu water and a little ammonium nitrate fertilizer.
Third, before the treatment of wood, branches and leaves, put the leaves into a woven bag and soak them in water for 24 hours. Cut the wood into 50 cm long, cut it with a sharp axe, and cut it every 10 cm. The depth is Gangda xylem. Each side of the wood can be cut in a row. The thicker wood can be cut into 4 lines of wood, the branches can be cut into 10 cm long sections, and both ends are cut into bevel. Then soak the wood and branches in 0.2%, 0.25% ammonium nitrate solution, and remove them for 10 minutes. Mix the sand and sawdust at 3:1 and keep 60% water content.
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The effect of sexual reproduction of Gastrodia elata is good.
Gastrodia elata is the leading product of traditional Chinese medicine in our province. As the planting quality of Gastrodia elata deteriorates year by year and the disease is serious, the yield of Gastrodia elata is low and the benefit is poor. How to solve this problem, Fengcheng Yulong sexual reproduction demonstration service base experts have a trick: the method of sexual reproduction Gastrodia elata, not only the yield than asexual reproduction Gastrodia elata increased by 2 times, but also greatly enhanced the disease resistance. What is the sexual reproduction of Gastrodia elata? according to Mo Bingyao, an expert in the demonstration service base of sexual reproduction of Yulong in Fengcheng City, Gastrodia elata is basically used in our province.
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Bag planting technique of sexual Propagation of Gastrodia elata
Gastrodia elata is a valuable traditional Chinese medicine, belonging to Orchidaceae perennial herbs, rootless and green leaves, mainly rely on digestion of Armillaria mellea and other fungi to obtain nutrition. It contains vanillin alcohol, vanillin aldehyde, glycosides, vitamin a, crystalline neutrals and trace alkaloids, as well as mucus, which has the effects of tonifying qi and nourishing liver, relieving shock, relieving wind and antispasmodic. The history of artificial cultivation of Gastrodia elata is not long, but the cultivation technology has developed rapidly. in the past, artificial cultivation of Gastrodia elata generally adopted asexual reproduction, the seed was degraded generation by generation, the yield was low and unstable, and the production was greatly affected.
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