Gynostemma pentaphyllum, also known as aesculin, gennadin, southern ginseng, etc., is a perennial grassy vine of the Cucurbitaceae family. It is mainly distributed in the ditch and valley bottoms of the vast subtropical regions including the south of the Yangtze River. The growth of wild species is also common in the wet slopes of mountainous regions. Artificial cultivation has developed rapidly in the past ten years and is currently available in supermarkets in many places. The edible method of the Jiaozhi blue is to use its condensed juice to process into a variety of nutritious and health-care foods, such as Jiaozhilan beverage, noodles, pancakes, etc. These health foods are unique in flavor, rich in nutrition, rich in game, and can prevent and cure diseases. Very popular with consumers. The practical experience of the author and his colleagues in cultivating the giant cultivars for eight years is summarized below for your reference. First, nutritional value Gynostemma pentaphyllum contains more than 80 kinds of saponins, especially the highest content of ginsenosides, which is 8 times that of ginseng, and the total saponin content is 3 times that of ginseng. Gynostemma bitter, cold, with detoxification, cough, sputum, anti-aging, hypolipidemic and enhance the body immunity and other effects, for bronchitis, gastritis, hepatitis, coronary heart disease, diabetes, migraine, etc. have a certain effect. Second, the characteristics of characteristics Gynostemma quinata vines grow 3-5 meters long, rhizomes are long and slender, roots on the nodes, hibernation buds and latent buds. Leaves alternate, consisting of 5 leaflets that form a toad-like compound leaf, often with 7 leaves. The middle leaflet is 4-8 cm long and 2-3 cm wide. The base leaf has short hairs and the leaflets on both sides are paired. Born on a small handle. Inflorescence axillary, dioecious, flowers small, yellow-green, ovary lower, spherical. The berry is spherical and black after ripening, containing 1-3 seeds of oval seeds. Gynostemma hi wet and humid environment, avoid direct sunlight in the sun, not drought tolerance, strict requirements on the soil. After the spring, the temperature is about 10°C and the soil can germinate. From May to September, the stems grow vigorously. From July to September, the fruit matures from September to October. The shoot grows slowly in late autumn and the underground stem grows quickly and thickens. After the arrival, the upper part of the land withered and the underground stems could be exposed to winter. Wild species grow year-round on hillsides and forests. Third, the cultivation techniques There are three kinds of propagation methods of seedlings, seedlings, rhizomes and vines. 1. Live broadcast method: In March-April, 30-35 centimeters by strip, 20 centimeters of plant spacing, sow the seeds soaked in warm water for 30 minutes. Before sowing, 667 square meters (1 mu) will be used to produce 2,000 kg of farmyard manure, 20 cm below the bottom of the car, 130 cm in width and 20 cm in height. It is also possible to use natural hillside shady slopes for planting or high-stalk crops. Intercropping. The sowing volume of 1-667 kilograms for 667 square meters will be covered with fine excrement after sowing, and then covered with grass and watered. 2. Rhizome propagation method: conducted in March-April. Dig up the roots of wintering plants and cut them to a length of about 5 cm. Each section has 1-2 sections. The surface of the box is double-rowed. The row spacing is 60 cm. The hole distance is 30 cm. Each hole is buried in a short section and the cover soil is 3 cm thick. , cover grass and water. 3. Cutting method: In the May-June period of vigorous growth of Gynostemma pentaphylla, cut vines with 3-4 nodes, remove the small leaves that will be buried in the soil, and insert the seedbed into the bed soil at a spacing of 10 cm and 10 cm. In the middle, leave 1-2 knots to expose the ground, water, moisten cover grass or shade with a shade net. After the new shoots grow to more than 10 cm, they will be planted in rows of 30 cm and 15 cm in row spacing. Each seedling will be planted with 1 seedling, and the soil will be covered with water after planting. If it is cultivated between shade sheds or fruit trees, cuttings can be cut directly by row spacing. Gynostemma pentaphylla has strong adaptability and rarely causes pests and diseases. It is only required to keep the tillage layer moist, not allowing the sun to direct sunlight, relying on timber or trees, climbing on slopes, growing fertilisers for 2-3 times in the growing season, and applying nitrogen fertilizers (such as urea and ammonium bicarbonate) for 667 square meters in the seedling stage. 10 kg; 667 square meters of late-stage application of compound fertilizer 12-15 kg, and timely watering.
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