Bletilla striata effect map
1. Basic information of Bletilla striata:
Bletilla striata is the dried rhizome of Bletilla striata in Orchidaceae, and it is also known as Baigen, Diluo, Baijiwa, Yangjiaoqi, Lianjiao, Zilan and so on. It has the functions of tonifying lung to stop bleeding, reducing swelling and promoting granulation. Indications include hemoptysis due to pulmonary tuberculosis, hemoptysis due to bronchiectasis, vomiting blood due to gastric ulcer, hematuria, hematochezia, etc. It can be used externally to treat traumatic bleeding, burns, chapped hands and feet, etc. At present, the plastic film block made of Bletilla striata is used in liver and spleen surgery and attached to the knife edge instead of blood forceps. It has excellent effect and rapid coagulation, and can be used in surgery instead of plasma. Mainly produced in Sichuan, Yunnan, Shaanxi, Anhui and Hubei, and also cultivated in Guizhou.
2. Planting techniques of Bletilla striata:
1. Selecting land and preparing soil
Choose loose and fertile sandy loam and humus loam, mainly in warm and slightly damp environment. Till the soil is more than 25cm, apply manure and compost, and apply 1kg of farm manure per mu. If there is no farm manure, 5kg of ternary compound fertilizer or 1kg of organic fertilizer can be applied, and then turn the soil and fertilizer evenly. Shallow tillage once before planting, fine the soil, rake it flat, and make a high border with a width of 12 to 15 cm.
2. Propagation method
It is difficult to sow Bletilla striata with seeds, but it is easy to propagate in tubers. Tissue culture seedlings can be used for propagation in large areas. In tuber propagation, Bletilla striata is usually dug out from September to early November, and then planted with plant ash. The furrow spacing is 2 to 25 cm, and the depth is about 5 cm. Put one tuber according to the plant spacing of 1 to -12 cm, with the bud upward, fill it, compact it, water it, cover it with grass, keep it moist often, and sprout from March to April.
Bletilla striata effect map
3. Field management
(1) Tillage weeding. The management and weeding of Bletilla striata in the field are very strict. After planting, spray acetochlor and seal it. After the seedlings of Bletilla striata are all out, weeding should be carried out. But remember to hoe shallowly when weeding, so as not to hurt the roots.
(2) Top dressing Bletilla striata is a fertilizer-loving plant. It is sprayed with potassium dihydrogen phosphate or thin human and animal manure once a month, and it stops growing and goes into dormancy from July to August, but weeds should be prevented.
(3) Irrigation and drainage. Bletilla striata likes shade, and it is always moist. It should be watered when it is dry, and it should be watered once in the morning and evening from July to September. But when watering, we should pay attention to the control of water quantity.
4. harvesting and processing
after planting bletilla striata for 3 years, when the aboveground stems wither from September to October, remove the soil from the dug tubers and process them. Take off the tubers individually, select the tubers with new stalks for seed use, cut off the stalks, soak them in clear water for 1 hour, wash the soil, cook them in boiling water for 5 to 1 minutes, take out the kang until it is completely dry, then clean the rough skin and fibrous roots and screen out the impurities.
well, that's all about the planting techniques of bletilla striata. have you mastered all these planting techniques? If you want to know more about the planting techniques of Bletilla striata, please continue to pay attention.