How to manage Gastrodia elata in autumn

After the beginning of autumn, attention should be paid to heat preservation and humidity reduction in the morning, evening and night, so that the humidity of the culture material is gradually reduced to 40% and 50%. As the temperature drops, Gastrodia elata boxes should be moved into the room in time to keep Gastrodia elata growing for a period of time. When harvesting Gastrodia elata, the humidity should be 30%-35%, so that Gastrodia elata grows well in the box and the yield is high.

Gastrodia elata growth period to prevent mold infection. Once green mold, scab and other miscellaneous bacteria are infected on the soil layer or box, gently spray a layer of Bordeaux solution (copper sulfate, quicklime, water according to the ratio of 1 ∶ 1 ∶ 140, dissolve 1 part of copper sulfate and 1 part of quickstone sand in water, pour the aqueous solution of copper sulfate into the lime milk, stir well, add water to 140 parts), or gently spray some 0.1% methyl topiramate solution. The mold can be shackled or suppressed.

Nematodes should be prevented from infecting the culture medium. The nematode eats the culture material very seriously, which can blacken the culture material and affect the normal growth of Armillaria mellea and Gastrodia elata. The way to prevent it is to try not to use natural water spray Gastrodia elata culture material. It is also necessary to sprinkle rat poison in or near the pit to eliminate rats, and at the same time take measures to control ants and mole crickets.