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Methods for Selecting and Preparing Land for Notoginseng Seedling Beds
Choose a shady slope on the back side, with a gradient of about 5°-10°, well-drained soil, loose texture, and a granular structure of red soil or brown-red soil. A slightly acidic soil with a pH of 5.5-7.0 is suitable, while heavy clay soil easily causes root rot and should not be used. Plow the land multiple times 2-3 months before sowing to a depth of 30 cm to let the soil weather, and at the same time thoroughly remove weeds, tree roots, and stones. In conjunction with plowing, apply 75 kg of lime per mu or 25 g/m2 of 50% carbendazim wettable powder mixed into the soil for soil disinfection treatment.
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What are the methods for selecting Gastrodia elata fungus strains and Gastrodia elata seeds?
1. Armillaria mellea: Some Armillaria mellea varieties are high-yielding and high-quality, while some varieties instead harm and feed on Gastrodia elata, so farmers must be cautious when introducing strains. Our company promotes the Armillaria mellea a-9 variety, selected by the Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences, from numerous varieties at home and abroad. Large-scale application and promotion have shown that this variety has strong vitality, dense branching, a high colonization rate, high yield, and high quality, making it the preferred superior variety for cultivating Gastrodia elata. 2. Germination fungus: The germination of Gastrodia elata seeds must rely on the infection of the embryo by fungal hyphae of a Mycena species to provide
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