In order to enable Chinese herbal medicines to grow well, the seed should be treated as necessary before sowing. According to the author's experience, using the following methods to treat seeds can increase the yield of Chinese herbal medicines. First, the selection of seeds should be full, uniform size, do not carry pests and eggs, strong vitality of the seeds. When the quantity is small, it can be manually selected. When the quantity is large, water selection or winnowing can be used. Second, drying seed sowing before sowing can promote the physiological maturity of certain medicinal seeds, promote seed metabolism, improve seed survival rate and germination rate, and play a role in sterilization. 3. Seed soaking with cold water or soaking directly in warm water of about 40°C or soaking with cold or hot water for 24 hours alternately can make the seed skin aging, enhance permeability, and can kill bacteria, prevent disease transmission, and promote seeds to germinate quickly and neatly. . Specific soaking methods are the following: According to the seed characteristics, select the appropriate chemical agent and treat the seed with appropriate concentration. Treat with growth hormone. Commonly used hormones include indole acetic acid, gibberellin and so on Add trace elements to soak in water. The commonly used trace elements include boron, zinc, manganese, copper and aluminum. The seeds were scratched and shelled. Some medicinal seeds have a hard seed coat, are rich in wax and impervious to water, and affect the germination of seeds. Breaking the seed coat by artificially breaking the shell or rubbing it can increase the permeability and promote germination. Stratification processing. A layer of wet sand, a layer of seed. This method can break seed dormancy, promote maturation and germination. Seed dressing. Generally used for seed dressing, can play disinfection and promote growth and absorption.
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