Growing environment of ginseng: Ginseng mostly grows under the climatic conditions of 10 with the average temperature of -23-5℃ in October and 20-26℃ in July, with strong cold tolerance, low temperature of -40℃ and suitable growing temperature of 15-25℃. Generally, it grows in places where the annual accumulated temperature is 2000-3000℃, the frost-free period is 125- 150 days, the snow is 20-44cm, and the annual precipitation is 500-1000 mm.
Ginseng likes cold and humid climate. Prefer oblique and diffuse light, avoid strong light and high temperature. The soil should be well-drained, loose and fertile brown forest soil with deep humus layer or brown forest soil containing mountain ash, and the soil pH value should be 5.5-6.2. ?
Extended data
Morphological characteristics of ginseng: perennial herbs; The underground stem is annual, forming an axial rhizome; Annual nodes shrink into erect or inclined short rhizomes, or the nodes are thick and short to form creeping bamboo whip rhizomes, or the nodes are slender to form recumbent beaded rhizomes. Roots do not swell, are not fibrous, and do not swell into spindle-shaped or cylindrical fleshy roots.
The aboveground stems are solitary, erect and scaly at the base. Leaves palmately compound, stems verticillate, petiole, stipules absent, rarely stipules. Flowers bisexual or heterozygous, aggregated into umbels; Umbilical terminal, rare one to several lateral umbels; There are joints between bisexual flowers and female flowers and pedicels.
There are 5 small teeth on the edge of calyx tube; Petals 5, free, sparsely connate, arranged in imbricate shape in flower buds; Stamens 5, filaments short, anthers ovate or oblong; Ovary 2-loculed, sometimes 3-4-loculed, sparsely 5-loculed.
Style 2, sometimes 3-4, sparse 5, or reduced to 1 on male sterile pistil, free or basally connate; Fleshy disk, annular. Fruit oblate, sometimes triangular or subglobose. Seeds 2 or 3, 4 sparse, laterally flat or triangular-ovate.
Baidu encyclopedia-ginseng
Baidu encyclopedia-ginseng