What effect does summer high temperature have on Tianma
Under the condition of high temperature of 32-34 ℃ in low altitude hilly area, Gastrodia elata lasted for 10 days (240h) had little effect on Gastrodia elata, and could produce Gastrodia elata, but when the high temperature lasted for 15 days (360H), the yield of Gastrodia elata would be affected. Therefore, the basic point of high temperature resistance of Gastrodia elata is higher. The oversummer of Gastrodia elata is not only related to the value of absolute high temperature, but also depends on the duration of high temperature. Due to the monthly difference of temperature and diurnal variation under outdoor natural conditions, as well as shading and other regulatory measures in artificial cultivation, it is virtually impossible to have a high temperature period that lasts 240 hours. Although the fluctuating high temperature has a certain impact on the production and yield of Gastrodia elata, Gastrodia elata can still pass the summer safely.
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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 not near the fungus.
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Five reasons why it can lead to low yields
Recently, editors often receive some consultation calls, complaining that the yield of gastrodia elata cultivated by them is not high, some even lower than 3 kg/square meter, the reporter specially consulted Cao Debin, an expert of Gastrodia elata of Provincial Academy of Agricultural Sciences, according to his introduction, according to the growth principle of gastrodia elata, there are many reasons for low yield of gastrodia elata, he listed the following five reasons, farmers friends can according to their own production conditions, see whether there are the following situations: First, Armillaria mellea has been passed many times, aging and degeneration. Armillaria mellea is the only source of nutrition for Gastrodia elata, so the quality of Armillaria mellea is high and low.
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