Latest Technical Methods Tutorial for Field Management of Gastrodia elata
Gastrodia elata is divided into spring Gastrodia and winter Gastrodia, and the quality of spring Gastrodia is better than that of winter Gastrodia. Gastrodia elata is mainly a Chinese medicinal herb used to treat conditions such as vertigo with darkening of vision, head wind, pain, numbness of the limbs, hemiplegia, and infantile convulsions with wind. At present, it is mainly cultivated in Jilin, Hubei, Guizhou, Yunnan and other places in China. So how should management be carried out during the cultivation of Gastrodia elata? Today let us learn about it together.
1. Humidity Management
Gastrodia elata has the characteristics of preferring shade and moisture and fearing waterlogging. The planting site must maintain a certain level of humidity, generally kept at around 50% to 60%. The vigorous growth period of Gastrodia elata is from May to September each year, so the demand for water is also greater, and watering must be carried out scientifically to maintain humidity. In winter, the amount of water should be reduced, and the field humidity only needs to be around 35% to 40%. In the case of continuous rainfall for many days, excess water should be drained promptly and drainage ditches should be made well to avoid water accumulation in the field.
2. Temperature Management
Gastrodia elata also has the characteristics of preferring coolness and fearing high temperatures, but this does not mean it is particularly tolerant of low temperatures, so we must be relatively careful in temperature management. Generally, Gastrodia elata grows fastest at a temperature of 20 to 25, and the temperature suitable for the growth of Gastrodia elata is generally around 18 to 28 degrees. At the same time, it can withstand a low-temperature environment of around minus 5 degrees, but when it is below minus 6 degrees, plastic film needs to be covered for insulation, and when the temperature rises back to around 15 degrees, the plastic film needs to be uncovered.
3. Nutrient Disinfection
The nutrients for planting Gastrodia elata need to be disinfected. The nutrients for Gastrodia elata generally need to be piled up and fermented before they can be applied, but during this process, many bacteria and the like may be produced. If the nutrients are applied directly without disinfection and sterilization, it is very likely to affect the growth of Gastrodia elata plants and cause diseases.
4. Pest and Disease Control
The diseases of Gastrodia elata include mold disease, rot disease, and sunscald disease. Mold disease is mainly caused by nutrients not being disinfected and later management not being handled properly, which leads to other miscellaneous fungi that infect the plants and produce mold disease. We can use carbendazim for control. Rot disease is mainly caused by high temperature and high humidity, and can be controlled by regulating the moisture and temperature in the field. Sunscald disease is a physiological disease and needs to be controlled by building shade sheds. Finally, Gastrodia elata also has many insect pests, such as mole crickets, white grubs, ants and so on, which can be controlled with dimethoate.
The above is all the content on timely field management for Gastrodia elata cultivation. I believe everyone has gained a certain understanding of the field management of Gastrodia elata. That is the end of today's sharing. I hope it can help all friends who grow Gastrodia elata.