Pest control and processing of Gastrodia elata

Gastrodia elata belongs to herbaceous plant, which is used as medicine in underground tuber. it mainly treats hypertension, vertigo, headache, askew of mouth and eye, limb numbness, infantile convulsion, hemiplegia and other diseases. it is also used in pilots' brain health care and Alzheimer's disease. it is an ideal brain nerve health care medicine.

1. Prevention and control of diseases and insect pests (1) the mole cricket, named Lara Oratosquilla, can dig vertical and horizontal roads under the topsoil of Gastrodia elata cellar and eat Gastrodia elata tubers. Can use 50% chlordane 0.5 kg, wheat bran (fried incense) 25 kg, add 7.5 kg water to mix, disperse in the evening on the surface of the hemp cellar as poison bait. (2) the grub soil is named Bombyx mori (beetle larva), which eats Gastrodia elata in the cellar to make it hollow, and can be crushed with trichlorfon and honey on the plate. Poisonous potatoes can also be put into the size of a matchbox, soaked in 0.2% 20% dimethoate solution, stirred for 12-14 hours, then soaked for 10 hours, removed and dried, put 3 pieces per cellar after drying, the efficacy period is 7 days, can not be killed at a time, to put several times, can cut more sweet potatoes to dry, set aside. Remember to prevent children from eating it both in the sun and in the air. (3) the harm of ants can also be killed by Sheng Jing. At the same time, meat skin, meat, chicken and fish bones can be buried near the harmful Gastrodia elata, which can be pulled out after the second day, and killed with hot water when the ants gather (hot water can be temporarily set up to heat the stove). Aphids are harmful during flowering, and 0.05% solution of 40% dimethoate emulsion can be sprayed. (4) rodent was poisoned with rodent poison. 2. Harvest and processing of Gastrodia elata (1) harvest from October to November. First dig up the bacterial stick, take out arrow hemp, white hemp and Gastrodia elata, and ship them gently to avoid man-made mechanical damage and prevent postharvest rotten hemp. (2) grading and grading at random. The single weight above 150g is 1 grade, 75Muth150g is 2 grade, below 74g and the big one is 3 grade. (3) rinse the graded Gastrodia elata with water respectively, do not rub off the mud, and can only gently wipe the mud with your hands. Wash on the same day, process on the same day, don't wash if you don't have time for processing. (4) the processed Gastrodia elata is called Snow Gastrodia elata, which is cultivated artificially and does not planing except for export. (5) after boiling water, different grades of Gastrodia elata are boiled and a small amount of alum is added. 5kg Gastrodia elata with 100g alum. Boil more than 150g per unit for 10-15min, cook 150kg for 7-10min, cook 5-8min for less than 100g, and cook 4min for the rest of the boil. In short, the cooked heart shall prevail. (6) do not use excessive firepower in drying. The temperature on the Kang should start at 50 ℃ 60 ℃. When drying 70%, the big ones should be pressed all over by hand, and the small ones should not be pressed and baked again. At this time, the temperature should be 70 ℃. You can dry it in the sun. After it is fully dry, take out the graded packaging and sell it.