Talk about the planting time of Gastrodia elata

Gastrodia elata is a precious medicine, which is the dry tuber of the perennial parasitic herb Gastrodia elata. Gastrodia elata is mainly supplied by the wild, and now it has formed a large-scale domestic production. So what is the planting time of Gastrodia elata? At present, the main cultivated varieties are Gastrodia elata (Gastrodia elata), Gastrodia elata (form) and Gastrodia elata hybrid (form).

The cultivation of Gastrodia elata is the best from late October to April of the following year. The sowing time is winter planting before soil freezing from late October to early December, and spring planting after soil thawing in March-April, and the sowing time in high-altitude mountain areas can be postponed to May. Gastrodia elata is a typical heterotrophic type of higher plant. Its growth and development must rely on Armillaria mellea and non-Armillaria to provide nutrition. Gastrodia elata tuber slowly shrinks and dies within 3 years. Therefore, artificial cultivation of Gastrodia elata needs to cultivate Armillaria mellea strains and materials. The planting time of Gastrodia elata should mainly consider the temperature, and it should be selected when the species of Gastrodia elata has entered dormancy and Armillaria mellea can continue to germinate and grow: in Shangnan area, the daily average temperature has dropped below 10 ℃, and the best planting time is more than 5 ℃. The best planting time for sexual reproduction of Gastrodia elata is from March to April in the shallow mountain area below 800m and from April to May in the alpine mountain area above 800m above sea level. The best planting time for asexual reproduction is in November in shallow mountain areas and in March in high and cold mountain areas, which cannot be planted in areas below 1500 meters above sea level at the end of March.

In addition, the growth and development of Gastrodia elata has specific environmental conditions and material basis, and has high requirements for climate and topographic conditions.

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