The value of konjac as a health food is recognized by more and more consumers. In recent years, some areas of the konjac have a certain gap, so that some processing companies have stopped working due to lack of konjac material. In areas where processing plants are located or where circulation is more active, planting konjac is not an easy market. The konjac rely on processing to a large extent, because the konjac often uses tubers to reproduce, and the amount of seeds used is large. The amount of seeds used per mu is about 1,000 kg, and the seed cost is high. These are important reasons why konjac production cannot develop. In order to reduce the use of seed costs, provincial breeding methods can be used. The whip breeding This is a method that does not use tubers to reproduce. It not only saves the cost of stems used for tuber propagation, but also allows for a large number of species and a high breeding coefficient. The adventitious buds of konjac tubers often germinate to form rhizomes. This rhizome is in the shape of a rod, called the whip, with apical buds at the apex, with distinct sections, and lateral buds on the nodes. Lateral buds with apical rhizomes also germinate to form plants and produce tubers. When digging konjac, pay attention to the collection of rhizomes. According to the standard of 2 to 3 buds per section, the whip is cut into 3 to 10 centimeters, and the ash is mixed to prevent the incision from rot. Sow 1 to 2 days after sowing, spacing of 33 cm. The whip can grow to 100 to 150 grams of tubers and has a new whip. In the following year, they were planted with a spacing of 50 cm and a spacing of 33 cm. Microtuber breeding According to the test, the value-added coefficient is 7.13 when the seed stem is less than 200 grams, and the value-added factor is only 2.3-2.5 when the stem is more than 300 grams. In other words, the bigger the species is, the lower the investment efficiency is, so it can breed from 200 g to 300 g. After the konjac has been harvested, large tubers are picked and sold as commodities; the remaining tubers are used for seeding. After the big tubers are cut, they should be sterilized with grass and wood dust. When cultivar peduncle breeding konjac is processed (such as processing selenium tablets, konjac tofu, etc.), the buds are taken off from the top of the bud 3 to 4 cm to the underside of the tuber, so that the sprouts of the buds are made larger and smaller. Hemispherical, weighing 100 to 200 grams. The incision is painted with wood ash and then sowed after wound healing. "Seed" breeds konjac fruit with berries, each fruit has 1-4 seeds. Although this "seed" is born in the ovary wall, it is not a seed but a tuber that does not form embryos and radicles. However, its near-beaded shoots can develop into tuber-like originals. The red berries of the medlar knots are harvested after harvesting, and the "seeds" are removed, washed, dried, and stored in a cool, ventilated place. The seeds are sown in the middle and early March of the following year. In order to break the dormancy, soak it in the solution of 920 parts per million to 920 (i.e., 0.5 to 1 mg of 920 to 1 kg of water) for 5 minutes before sowing. According to the 8 cm line spacing, a 5 cm deep ditch can also be broadcast. General breeding 2 to 3 years can be planted.
Astragalus Membranaceus, also known as Mianqi. Herbs perennial, 50-100 cm tall. The main roots are thick, woody, often branched and gray-white. Stems erect, upper branched, finely angled, white pubescent. Herbs perennial, 50-100 cm tall. It is produced in Inner Mongolia, Shanxi, Gansu, Heilongjiang and other places.
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The medicinal use of Astragalus membranaceus has a history of more than 2000 years. It has the functions of enhancing immune function, protecting liver, diuresis, anti-aging, anti-stress, antihypertensive and a wide range of antimicrobial activities. However, it is forbidden to use the evidence of excessive superficial pathogenic factors, stagnation of qi stagnation and dampness, stagnation of food accumulation, excessive heat and toxicity at the beginning of carbuncle or after ulcer, and excessive Yin deficiency and yang.
Breeding konjac province species method