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Panax notoginseng seedling lifting time and seedling grading methods
The harvesting time for Panax notoginseng seedlings is generally from early December to late January of the following year. When harvesting, care should be taken to avoid damaging the root system and seed buds, and seedlings should be planted immediately after harvesting. Grade 1 seedlings: individual plant weight not less than 2.5 grams, dormant buds plump and strong, root system well developed, free from pest and disease infection and mechanical damage. Grade 2 seedlings: individual plant weight between 1.25 and 2.5 grams, dormant buds plump and strong, root system well developed, free from pest and disease infection and mechanical damage. Grade 3 seedlings: individual plant weight between 0.75 and 1.25 grams, dormant buds of average growth, root system of average growth, free from
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What are the grading standards for Panax notoginseng seeds?
Grade 1 seeds: thousand-grain weight greater than 105 grams, moisture content less than 60%, viability greater than 85%, purity greater than 98%. Grade 2 seeds: thousand-grain weight between 100 and 105 grams, moisture content greater than 60%, viability greater than 80%, purity greater than 97%. Grade 3 seeds: thousand-grain weight between 95 and 100 grams, moisture content greater than 60%, viability greater than 75%, purity greater than 90%. Panax notoginseng seeds are laterally flattened or triangular-ovoid, 5 to 7 mm long, 4 to 6 mm in diameter, yellowish-white
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