Wild Gastrodia hybrid breeding seed production technology

Guizhou is the third largest province in China for the production of Chinese herbal medicines. It has been approved by the Ministry of Science and Technology as the national base for the modernization of science and technology in the province. Traditional Chinese medicine is an important pillar industry in our province. At the same time, Yinjiang has become the first batch of Chinese herbal medicine bases in the province. One of the counties. In order to make full and reasonable use of the advantages of Chinese herbal medicine resources, the wild gastrodia, which is very rich in Yinjiang, has been transformed into an economic advantage as soon as possible. To this end, the principle of "promoting sowing seed sowing techniques for gastrodia seeds" successfully introduced by Prof. Xu Jintang of the Chinese Academy of Sciences has been introduced. Zeng Jiyong's family cultivated indoor seed and planted it after pollination. It is summarized as follows:

First, materials and methods

1, material selection. Fanjing net wild gastrodiae "Jianma" species, brick, wood (paper) box, river sand, germination bacteria, disinfectant liquid, gardenia, fungus sticks, bacteria and plastic bags.

2, seed production methods. In mid-March 2002, 645 high-quality wild nets of Fannet (200-450 g fresh weight) were planted indoors in a 2525 square centimeter planting space in a box of disinfected river sand (box size 4.0 meters long and wide). 1.0m, 0.2m thick brick) 30 days after sleep, 20 days unearthed, grow stems and buds, bud blossom, in the morning 9 am - 5 pm, cross pollination according to operating procedures, seed maturity, Sprouts should be sown immediately (because the seeds of the gastrodia are not stored in nutrient endosperm) and sown by 0.5 kg of germinating bacteria.

Second, results and analysis

1, seed production effect. A total of 645 arrowheads were planted and 613 live plants were actually harvested. The success rate was 95%, with a total of 31,900 pods. The total weight was 4,060 grams. The weight per plant was 6.6 grams, and the average number of pods per plant was 52.

2, outdoor cultivation effects. On November 23, a random sampling of three litters of sown seeds was observed. The results showed that the growth of rice plants was good, and the growth was vigorous.

Third, summary and discussion

1. The success of sexual seed production of wild Gastrodia and the establishment of a seedling base, solving the problem of serious degradation of varieties in vegetative propagation, low gastrodin content, poor quality, and a gradual decline in yield have greatly improved the market competitiveness of Gastrodia elata.

2. The use of wild Tianma to reproduce sexually, cultivated Tianma, its good quality, conducive to close to the standards of industrialization of Chinese herbal medicine technology, speed up the pace of industrialization, and can reflect the local characteristics of the product, to achieve a special economic leap.

3. The establishment of Tianma species base can greatly meet the requirements for the development of commercial hemp seed production, and at the same time, drive the development of surrounding towns and villages.

4. Gastrodia production has the advantages of not occupying arable land, short production cycle, quick effect, simple production, low investment and high economic benefits, and is an effective way for rural poverty alleviation and prosperity.

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