Discovery and Utilization Prospect of Wild self-fertile plants of Pinellia ternata
Since 1988, we have investigated the wild variety resources and artificial cultivation techniques of Pinellia ternata in Yimeng Mountain area. in the course of investigation and research for many years, we have found a single plant of Pinellia ternata which can be pollinated and fruited under wild conditions. after artificial domestication and cultivation, a 1.5g Pinellia ternata tuber can produce 40 seeds and 50 seeds a year. Thus, the problems of low natural seed setting rate and five kinds of available production of Pinellia ternata were solved, and a way was explored to improve the reproduction rate of Pinellia ternata.
1 Botanical characteristics
The height of the plant is about 10cm, the adult leaves are 3-lobed, the leaves are oval, and the leaves of the small plant are 1 oval and single leaf, which is suitable for growing on fertile land. The inflorescence of the single plant was drawn out after emergence at the beginning of April, and each flower ear could bear 13-20 seeds. After that, each leaf is accompanied by 1 inflorescence. A 1.5 g tuber can produce 4-6 panicles per year, with 40-50 seeds and a reproduction rate of 1 ∶-40-50, which is more than 10 times higher than that of bulbs and tubers of Pinellia ternata.
(2) Utilization prospect
The discovery of wild self-breeding fruiting plants of Pinellia ternata has created conditions for improving the reproduction rate of Pinellia ternata and using seeds for field cultivation. It is of great significance to expand the planting area, increase the yield of Pinellia ternata and meet the medicinal needs.
2.1 establish breeding fields and reproduce more Pinellia ternata seeds that can bear fruit under natural conditions as soon as possible.
2.2 artificial pollination was carried out to improve the seed setting rate.
2.3 pesticides are banned in the field during the flowering period of Pinellia ternata to facilitate the pollination of insects.
2.4 during the flowering period of Pinellia ternata, field management should be strengthened to ensure sufficient soil moisture so as to improve the seed setting rate.
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Cultivation and processing techniques of three crops of Pinellia ternata in one year
First, it is better to select land for land preparation and plant Pinellia ternata with loose and fertile soil. When preparing the soil, 3000Mu of miscellaneous fertilizer is applied, 30kg of phosphate fertilizer is applied, 100kg of plant ash is applied, and ammonium bicarbonate is avoided. Deep ploughing fine rake, 1.3 meters wide, 0.17 meters high, 0.3 meters wide, the ditch can be intercropped with wheat, corn, sorghum or kenaf and other long-stalk crops. Second, the method of sowing usually uses tuber propagation to harvest three kinds of crops a year, that is, April and July, July and October, and April of the following year. How much seed block per mu is due to its large size?
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Instant tea is also known as extracted tea. As early as the 18th century, European tea merchants imported a kind of dark cake concentrated from tea extract from China, each piece of about 6-7 grams, which melted into drinking tea, which may be the prototype of today's instant tea. Instant tea is a deep processing product of tea, which comes from a wide range of raw materials and is not restricted by origin. It can be directly obtained from medium and low-grade finished red and green tea, or fresh leaves or semi-products can be used as raw materials. The selection of raw materials is very important in the production of instant tea, which not only has an important impact on the quality, but also
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