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How can the germination rate of Polygonatum seeds be improved?
How to improve the germination rate of Polygonatum seeds
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How should Schisandra chinensis seedlings be planted to improve the survival rate?
Some people, when planting seedlings, just drop the seedling into the hole and cover it with soil, and that is it. This planting method is not good and affects the survival rate. The normal way to plant a seedling is to smooth the bottom of the dug hole with your hand, spread the seedling roots out to 120° when planting, and make sure all the roots are in close contact with the soil, firm it down, and water thoroughly. When planting Schisandra chinensis in autumn, prune the seedling to leave 3-5 buds, and after planting bury all the buds in soil; the top of the seedling should be covered with 4 cm of soil. When it is about to sprout in spring, remove the soil, or leaving the soil in place is also fine, letting the buds emerge from the soil. Remember, under no circumstances should you remove the soil after the buds have sprouted but before they have emerged,
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Key Points for Integrated Control of Powdery Mildew on Schisandra chinensis
1. Field symptoms Powdery mildew mainly damages the leaves of Schisandra chinensis, and in severe cases the fruit, petioles and stems are also affected. In the early stage of leaf infection, small white powdery mildew spots appear, gradually expanding and merging into patches, and the mildew layer thickens, like a layer of flour scattered on the leaf surface. On the underside of the mildew spots, small chlorotic spots initially form, expanding into irregular patches as the disease develops. In the late stage of the disease, black particles are produced in the mildew layer, causing moldy staining and fruit drop, reducing yield while also lowering quality. 2. Disease occurrence The powdery mildew pathogen of Schisandra chinensis belongs to the genus Erysiphe in the Ascomycota, and the conidia are mostly cylindrical, with a few being cylindrical-columnar, elliptical or long-oval. In the Fengcheng area, the pathogen overwinters as cleistothecia on diseased plant residues, and in May to June of the second year produces ascospores and conidia for infection, with July to August being the peak period of disease occurrence. The disease can occur at temperatures of 20-28°C, with 25-26°C being the most suitable. The disease is severe in mountainous areas above 1000 m in altitude; it is severe where management is poor, nitrogen fertilizer is applied excessively, and planting is too dense; 1-2 year old Schisandra chinensis plants are lightly affected, while those over 3 years old are severely affected.
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Six Methods to Improve Licorice Germination Rate
Licorice is a perennial herbaceous plant of the Fabaceae family, with its dried roots and rhizomes used as medicine. It has the effects of tonifying the spleen and replenishing qi, resolving phlegm and relieving cough, clearing heat and detoxifying, relieving urgency and stopping pain, harmonizing the properties of various medicines, and neutralizing the toxicity of a hundred medicines. Licorice is not only a major medicinal material, but also an excellent calorie-free sweetening additive in food, and an important auxiliary material for cigarettes and other industries, so the demand for licorice is growing ever larger. As natural licorice resources are increasingly depleted, artificial cultivation is necessary. Due to reasons such as the dense structure of the licorice seed coat and protein dehydration and denaturation, cultivating licorice suffers from problems such as slow germination, uneven germination, and low germination rate.
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Fertilization Methods for Gastrodia: Can Diammonium Phosphate, Superphosphate, and Ammonium Nitrate Be Applied?
Yes, they can be applied. This is because all three fertilizers are acidic fertilizers and can increase soil acidity. In terms of their properties, they suit the growth and development requirements of Armillaria mellea and Gastrodia; in terms of composition, all three fertilizers contain phosphorus and nitrogen components; in theory, Armillaria mellea requires a certain amount of phosphorus and nitrogen during its growth and development. During the growth and development of Gastrodia, as it absorbs water from the substrate, it can take up some trace elements and phosphorus along with the water. Therefore, when cultivating Gastrodia, applying an appropriate amount of acidic fertilizer can increase Gastrodia yield. According to Dan Cunzhi and Wang Yingkui, Gastrodia specialists in Wangjiayuan Village, Siping Township, Danfeng County, Shanxi Province
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What are the reasons for the low survival rate of sexual reproduction in Gastrodia elata?
Gastrodia elata is a precious Chinese medicinal herb in China, and its cultivation area has been expanding year by year. Due to the degeneration of varieties in asexual reproduction, yields are low and unstable, and quality declines, which has affected commodity exports. At present, most growers use sexual crossbreeding to propagate seed tubers to solve the problem of yield reduction caused by variety degeneration in Gastrodia elata. However, there are also problems such as lack of proficiency in the technology and uneven quality of breeding, which have restricted the rapid development of Gastrodia elata, leading to the abnormal phenomenon that the more it is developed, the fewer the products and the higher the market price. Those who fail gain very little from the huge investment they made, which has greatly dampened farmers' enthusiasm for development. In response to the above
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Short-log sterilized-substrate cultivation techniques for reishi (Ganoderma lucidum)
Short-log sterilized-substrate cultivation is a new reishi cultivation technique that has developed rapidly in recent years. On average, each cubic meter of wood yields more than 20 kg of dried reishi, with high yields reaching more than 30 kg, an increase of 20% over conventional cultivation methods. The reishi is firm and thick in texture with a glossy surface, and its acid content is higher than that of bag-cultivated reishi. More than 90% of the product meets export requirements. 1. Cultivation season: Reishi is a medium-to-high temperature type fungus, and its yield is related to the tree species of the logs, the cultivation time and the cultivation technique. Inoculation time can be arranged from late October to December, or from early February to
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Occurrence Patterns and Integrated Control Methods of Pests and Diseases in Goji Berry
Goji berry is a deciduous shrub of the genus Lycium in the Solanaceae family. Its fruit is called goji berry (Lycii Fructus), and its root bark is called Digupi (Lycii Cortex); both can be used as medicine. The tender stems and leaves are eaten as vegetables. It is distributed throughout China, mostly in the wild. The related species Lycium barbarum (Ningxia goji) is mostly cultivated; its fruit is called Xi goji or Gan goji and is used medicinally, mainly produced in Ningxia, Gansu and Inner Mongolia. Goji berry suffers from pests and diseases at every stage of growth, causing great economic losses to production. The occurrence and control methods of goji berry pests and diseases are introduced as follows: 1 Diseases 1.1 Black fruit disease (anthracnose) Main
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Preliminary Report on the Results of Substrate Replacement Cultivation Trials of Gastrodia elata
Artificial cultivation of Gastrodia elata mainly uses the trunks of broadleaf trees such as oak, birch, hazel, elm, willow, jujube, pagoda tree, and wild cherry, and requires a diameter of more than 5 cm. For a long time, this has caused severe damage to forest resources, which are now on the verge of exhaustion. Therefore, research on substrate replacement cultivation techniques for Gastrodia elata has gradually become a hot topic. There are already precedents for substrate replacement cultivation using corn cobs, shrub stems, corn cobs, corn pith, branches, and straw, but no reports on the cultivation of Gastrodia elata with cottonseed hulls have been seen. For this reason, this trial was conducted, and the preliminary results are reported as follows: 1 Materials and
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Key Technical Points for Improving the Survival Rate and Yield of Sexual Propagation of Gastrodia elata
Tuyan is one of the main Gastrodia elata production areas in Hubei, with wild Gastrodia elata widely distributed, and both the climate and soil within its boundaries are suitable for sexual propagation of Gastrodia elata. Combining local environmental conditions and based on practical experience, the author has summarized the key techniques for sexual propagation of Gastrodia elata suited to the local natural environment. 1. The quality and quantity of fungal inoculum are the foundation for ensuring the germination and growth of Gastrodia elata seeds. (1) The germination rate of Gastrodia elata seeds depends on the quality and quantity of the seed germination fungus. Practice has shown that sowing Gastrodia elata with No. 8104 seed germination fungus mixed in gives a high germination rate and fast germination speed.
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