Matters needing attention in Gastrodia elata harvest
⑴ be careful not to damage the flax body when digging, you should carefully remove the surface culture material, remove the bacterial material, gently take out Gastrodia elata, and be careful not to damage the flax body, especially the white flax and rice hemp used for seed. ⑵ carefully harvest and pay attention to look around, can not be ignored and missed Gastrodia elata. Due to the better growth and development of Armillaria mellea and more Gastrodia elata, it is necessary to look around for cleanliness. ⑶ timely processing and harvesting arrow hemp should be processed in time, white flax and rice hemp should be cultivated or stored in time. Keeping it for a long time will cause the decrease of lysozyme and reduce the vitality of Gastrodia elata.
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Causes of character degradation of Gastrodia elata and its control
The performance of hemp character degradation is that the yield of arrow hemp decreases, the individual becomes smaller and slender; the yield of rice flax and white hemp decreases greatly, ginger or light brown, the stress resistance is poor, and the original yield and characters can not be fully reflected. The reasons are generally as follows: 1. Multi-generation asexual reproduction. It is common to propagate asexually after 5 or 6 generations.
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Standardized cultivation techniques of Gastrodia elata
Gastrodia elata, also known as Dingfeng grass, is an orchid plant and is a valuable traditional Chinese medicine in China. Tuber is used as medicine, which is beneficial to relieving spasm, calming the liver and relieving wind, fixing shock and dispelling dampness. It can treat dizziness, limb numbness, epilepsy, infantile convulsion, hypertension, otogenic vertigo and so on. Gastrodia elata is mainly produced in Guizhou, Yunnan, Sichuan and Guangzhou.
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