Control of diseases and insect pests of Polygonatum polygonatum
The disease has black spot, the leaf appears irregular yellow-brown spot from the leaf tip, so that there is a purplish red edge at the junction of the healthy part, and then the disease spot spreads downward, and the leaf is withered and yellow. Spray with 1000 times of methamphetamine, once every 7 to 10 days, for 2 times in a row.
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Harvest, processing and Medical function of Rhizoma Polygonatum
Harvest and processing: Polygonatum polygonatum transplanting rhizome for 1-2 years, sowing seeds for 3-4 years. Dig out the roots in late autumn or early spring, wash the soil, remove fibrous roots and scars, steam for 10 minutes (subject to steaming), take out and dry, dry while kneading, drying for 7 days and 10 days. Medical function: Rhizoma Polygonatum odor: sweet, flat. The meridians of spleen, lung and kidney. It has the effect of tonifying spleen and moistening lung, nourishing yin and promoting fluid, tonifying qi, strengthening muscles and strengthening bones. Treatment of deficiency, cold and heat, tuberculosis, hemoptysis, pulmonary tuberculosis, dry cough, no phlegm, diabetes, hypertension, afterbody
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Rhizoma Polygonatum harvest and processing
Huang Jing can be harvested in spring and autumn, and the quality is good in late autumn and early winter. Remove the impurities of stems, leaves, fibrous roots and sediment after digging, and the grown ones can be divided into 2 or 3 sections, steam in a steamer or wooden retort for about 12 hours, and when they appear oily, take them out to dry or dry (smokeless, light fire is required); or after boiling in water, remove them for drying or drying. However, it is better to use steaming process (cooked yellow essence after steaming, boiled in boiling water and dried in the sun for raw yellow essence).
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