Richters ProGrowers Info
Richters ProGrowers Info |
Ginseng
(Panax quinquefolius, P. ginseng; Eleutherococcus senticosus) |
Market
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Products: (root)
Market size: Panax 70,000 hectares (world), 7,400 ha (North America)
Prospects: Panax prices down, volume up. Prospects for woodsgrown Panax much better than shadecloth grown.
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Culture |
Seed density: Panax 15; Eleutherococcus 100 seeds/gram
Exposure: Panax 70% shade; Eleutherococcus 30-50% shade
Soil: well-drained, sandy or clay loam, in raised beds, pH 5.5-6.0
Crop duration: Panax 3-4 years (shadecloth), 4-8 years (woodsgrown); Eleutherococcus 6-12 years
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Sowing rate: 40-100 kg/ha (shadecloth), 10-20 kg/ha (woodsgrown).
Planting: Panax seeds stratified one year. Sow stratified seeds in seedbeds and transplant seedlings to raised beds in years 1-2, or sow direct in raised beds. Mulch with straw. Remove shadecloth over winter. Eleutherococcus seeds need at least cycles of warm-cold stratification; best results obtained when sown in flats in fall and left out over winter under mulch.
Field spacing: Panax 15-20cm between rows x 15-20cm within rows, further apart in woodsgrown plantings; Eleutherococcus 60-100cm apart.
Yield: Panax (shadecloth) 3400kg/ha (years 3-4).
Pests: few problems
Diseases: Panax alternaria leaf blight, rhizoctonia wilt, phytophthora, powdery mildew; Eleutherococcus few problems.
Buyers want: ginsenosides not less than 1.5-2%, ash not more than 4-8%.
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Sowing rate: Panax 150g/1000 plants; Eleutherococcus 250g/1000plants.
Planting: sow stratified Panax seeds in deep plugs, 2-4 seeds per plug, or sow in seed flats. Provide shade, keep cool and well ventilated.
Seeds to finished plugs: Panax 6 months (after stratification).
Plugs to saleable plants: Panax 1 year.
Pests: spider mite
Diseases: Panax alternaria, rhizoctonia.
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Dried Production
 
Fresh Production
Oil Production
Potted Plant Production
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