What should be paid attention to when planting Gastrodia elata in boxes
High quality rods must be selected for ①, and the rods with many young cords and evenly distributed are the best.
② sticks must be free from contamination by miscellaneous bacteria.
③ if there is not much fungal cord on the stick, some secondary or tertiary solid strains of Armillaria mellea can be added appropriately. It can also be covered with a layer of culture material for Armillaria mellea (because there is Armillaria mellea in the material).
If ④ put a fungus material parallel to 3 cm next to the high-quality stick, it can continue to provide Gastrodia elata nutrition after it is grafted on and Armillaria mellea grows in the later stage. But do not plant hemp near the fungus material, but close to the high-quality bacterial stick to plant flax.
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The method of selecting and purchasing Gastrodia elata strains and Gastrodia elata seeds
1. Armillaria mellea: some Armillaria mellea varieties have high yield and high quality, while others do harm to Gastrodia elata, so farmers must be careful when introducing them. Our company promotes Armillaria mellea Amur9 selected by the Institute of Pharmaceutical Plant of Chinese Academy of Medical Sciences from many varieties at home and abroad. The large-scale popularization and application of this variety shows that it has strong vitality, dense branches, high fruiting rate, high yield and high quality, and is the first choice for planting Gastrodia elata. 2. Germinating bacteria: the germination of Gastrodia elata seeds must be provided by the seed embryos infected by the hyphae of a class of fungi of the genus Pleurotus ostreatus.
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What effect does summer high temperature have on Tianma
Gastrodia elata has little effect on Gastrodia elata under the condition of high temperature of 32-34℃ in low altitude hilly area for 10 days (240 hours), and can produce arrow hemp, but the yield of Gastrodia elata will be affected when high temperature lasts for 15 days (360 hours). Therefore, gastrodia elata high temperature tolerance base point is higher. Tianma summer is not only related to the absolute high temperature value, but also depends on the duration of high temperature. Because of the monthly temperature difference and the day-night temperature difference under outdoor natural conditions, and the artificial cultivation to take shading and other regulatory measures
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