When and how to classify the seedlings of Panax notoginseng
The picking time of Panax notoginseng seedlings is generally from the first ten days of December to late January of the following year, and the root system and seed buds should be avoided.
First-class seedlings: the weight of single plant is not less than 2.5 grams, the dormant buds are fat and strong, the root system grows well, and there is no disease and insect infection and mechanical damage.
Second-class seedlings: the weight of single plant is between 1.25 and 2.5 grams, the dormant buds are fat and strong, the root system grows well, and there is no disease and insect infection and mechanical damage.
Third-class seedlings: the weight of single plant is between 0.75 and 1.25 grams, the growth of dormant buds is general, the growth of root system is general, and there is no disease and insect infection and mechanical damage. Panax notoginseng seedlings can be packed with bamboo products with a packing specification of 25 kg each, with an allowable error of 1%. Panax notoginseng seedlings are not resistant to transportation, especially long-distance transportation, if long-distance transportation is really needed, a loading tool with good permeability should be used, and a small amount of soil should be added to maintain the moisture of the seedlings and avoid direct sunlight.
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Panax notoginseng-- Panax notoginseng
Panax notoginseng: the dried tuber of Bvoussingaultiagracilis Mirrsvar.pseudobaselloidesBailey. After processing and slightly boiling, fake Panax notoginseng. The tubers of medicinal materials are irregular fusiform or cylindrical, and some of them are slightly flat and curved. Long 3~8cm, diameter 1~3cm. All have a large number of verrucous buds and broken round scars. The surface is grayish brown, with curved longitudinal wrinkles and less
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Growth environment of Panax notoginseng
Panax notoginseng is a shade-loving plant. Like warm winter and cool summer environment, afraid of cold and heat; like damp but afraid of stagnant water, soil water content of 22% to 40% is appropriate. It can grow when the temperature is not more than 35 ℃ in summer and 5 ℃ below zero in winter, and the suitable temperature for growth is 18-25 ℃. Panax notoginseng has loose requirements on soil and a wide range of adaptation, but it is better to use sandy loam soil with loose soil and good drainage. Areas where sticky, sandy and low-lying areas are prone to stagnant water should not be planted. Avoid continuous cropping, soil pH 4.5-8. There is only one palm of Panax notoginseng every year.
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