Method for improving parispolyphylla seed yield and quality

Abstract

The invention relates to a method for improving the parispolyphylla seed yield and quality, and belongs to the technical field of traditional Chinese medicinal material cultivation and agricultural seed production. The method for improving the parispolyphylla seed yield and quality specifically comprises the following steps that (1) varieties and plants are preferentially selected so as to ensure good quality and high yield of provenance; (2) fine land selection and preparation are carried out, a sun shelter is built, and a seed reserving field meeting the plant growth requirements is built; (3) rational close planting is carried out, and the seed quality is ensured; (4) drought control and drainage of stagnant water are carried out, weeding and fertilization are carried out, and it is ensured that pregnant buds bloom; (5) plant diseases and insect pests are comprehensively controlled to improve the seed quality; (6) overwintering protection is carried out, and bloom buds cold injuries are reduced; (7) artificial supplementary pollination is carried out to improve the setting percentage; (8) mass selection and seed collection are carried out, seeds are placed in the shade to dry, and the seed purity and quality are improved. The method for improving the parispolyphylla seed yield and quality has the advantages that operation is easy and convenient, the cost is low, the seed yield is high, the emergence rate is high, the setting percentage and yield are tripled, the economical benefit is remarkable, the parispolyphylla seed yield and quality are improved, and large-scale seed production is achieved.

Description

technology field; [0001] The invention relates to a method for improving the yield and quality of dianthus dianthus seeds, and belongs to the technical field of seed collection and cultivation of traditional Chinese medicinal materials. technical background: [0002] Dianzhonglou (Paris polyphylla Smith var.Yunnanensis (Franch.) Hand.-Mazz.) is a traditional Chinese medicine commonly used in my country. It is one of the base plants of Chinese herbal medicine Zhonglou, and it is also the raw material of many famous Chinese patent medicines in my country. Due to its high medicinal value, the price of Dianzhong building has risen rapidly since 2000, and the current price is more than 700 yuan / kg. The annual demand for Dianzhong building is about 1 million kilograms. At present, the Dianzhong on the market is dominated by wild resources. Due to the shortage of goods and high prices, the wild resources are on the verge of exhaustion due to over-excavation. It takes 8 to 9 years f...

AI Technical Summary

Problems solved by technology

Due to the single-flowered and single-fruited plants of Dianzhonglou, the number of seeds in the natural state is small, according to Li Yunchang et al. [1] According to the research, the average number of seeds per fruit is about 33, according to Yang Bin et al. [2] The research average per fruit produces about 50.5 seeds, the seed setting rate is only 16.8%, and the seed quality is uneven (seed size is different, emergence rate is low); on the other hand, due to the low seed yield of natural production (per mu Only produce 10-15 kg / mu of dry seeds), the supply of seeds is in short supply and other reasons, the current seed price has reached 1,500-2,000 yuan / kg for fresh seeds, and 8,000-10,000 yuan / kg for dry seeds. Generally, the seeding rate per mu is 7 kg Dried seeds, planting Dianzhonglou, the cost of seeds alone is about 60,000 yuan per mu, which brings a lot of cost burden to the growers

At present, the yield and quality of seeds are far from meeting the needs of production. How to improve the yield and quality of seeds has become an urgent problem in production.

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