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Seedling raising method for purple yams

A technology of purple yam and germination solution, which is applied in botany equipment and methods, seed and rhizome treatment, application, etc., can solve the problems that affect planting cost and economic benefits, high seedling disease rate, and fast spreading speed, and achieve Resistance to changes in the external environment and viral and bacterial infections, high survival rate, and accelerated transformation

Inactive Publication Date: 2017-06-30
堵美娟
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Purple yam contains a large amount of purple anthocyanins, which is beneficial to the treatment of cardiovascular diseases, and plays the role of anti-oxidation, beauty and beauty. The prevalence of seedlings obtained by the existing seedling raising methods is extremely high, which seriously affects the cost of planting and economic benefits. In particular, diseases such as anthracnose, black spot, stem rot, and white astringent disease have a high incidence rate, spread quickly, and are difficult to cure. Therefore, the success or failure of purple yam planting is closely related to seedling cultivation.

Method used

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  • Seedling raising method for purple yams

Examples

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Effect test

Embodiment 1

[0015] A method for raising seedlings of purple yam includes the following steps:

[0016] (1) Choose robust purple yam seed potatoes and apply a layer of germination liquid evenly on the surface. The germination liquid is composed of 11 parts by weight of potassium dihydrogen phosphate, 9 parts of potassium sodium tartrate, 7 parts of talcum powder, compound 3 parts of sulfamethoxazole, 12 parts of naphthalene acetic acid, 60 parts of water;

[0017] (2) Put the purple yam seed potato coated with germination liquid into the cellar at a temperature of 20°C, a relative humidity of 70%, and a carbon dioxide concentration of 1200ppm. After 2 days of cultivation, the bud length reaches 1-2 cm and then taken out;

[0018] (3) Use a sterilized knife to cut the seed potato after germination into seed blocks. Each segment of the seed block has 2 seed buds. The seed blocks are sown in the north-south direction, and the sprouts are upward. The soil coverage of the seed blocks reaches 60. %, t...

Embodiment 2

[0023] A method for raising seedlings of purple yam includes the following steps:

[0024] (1) Choose robust purple yam seed potatoes and apply a layer of germination liquid evenly on the surface. The germination liquid is composed of the following components in parts by weight: 11.5 parts of potassium dihydrogen phosphate, 10 parts of potassium sodium tartrate, 7.5 parts of talcum powder, compound 3.5 parts of sulfamethoxazole, 13 parts of naphthalene acetic acid, 65 parts of water;

[0025] (2) Put the purple yam seed potatoes smeared with germination liquid into the cellar at a temperature of 23°C, a relative humidity of 75%, and a carbon dioxide concentration of 1400ppm. After 3 days of cultivation, the bud length reaches 1-2 cm and then taken out;

[0026] (3) Cut the seed potato after germination into seed blocks with a sterilized knife. Each seed block has 3 seed buds. The seed blocks are sown in the north-south direction, and the sprouts are upward. The soil coverage of the s...

Embodiment 3

[0031] A method for raising seedlings of purple yam includes the following steps:

[0032] (1) Choose robust purple yam seed potatoes and apply a layer of germination liquid evenly on the surface. The germination liquid is composed of the following components in parts by weight: 12 parts of potassium dihydrogen phosphate, 11 parts of potassium sodium tartrate, 8 parts of talcum powder, compound 3-4 parts of sulfamethoxazole, 12-14 parts of naphthalene acetic acid, 60-70 parts of water;

[0033] (2) Put the purple yam seed potatoes coated with germination liquid into the cellar at a temperature of 20-25℃, a relative humidity of 70-80%, and a carbon dioxide concentration of 1200-1600ppm. After culturing for 2-4 days, the bud length will reach 1- Take out 2 cm;

[0034] (3) Cut the seed potatoes after germination into seed blocks with a sterilized knife. Each seed block has 2-4 seed buds. The seed blocks are sown in the north-south direction, with the buds facing upwards, and the soil ...

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Abstract

The invention relates to the field of yam planting, and discloses a seedling raising method for purple yams. The seedling raising method comprises the following steps: (1) treating seed yams with a pregermination solution to ensure that the obtained seed yams germinate fast, sprout regularly, have strong bud seedling, and grow at a high rate; (2) culturing the seed yams in a specific environment to ensure that the transformation of nutrient substances is accelerated, and the growth rate of obtained seedlings is increased by 1.5-2 times; and (3) taking illumination and water requirements for the growth of the seed yams into account in a seeding method to facilitate development of roots of the seed yams and ensure that the weathering resistance is strong, and the accumulation of nutrients in the large root blocks is increased by 20-30%. In the seedling raising method of the purple yams provided by the invention, according to physiological properties of the seed yams, in a process of pregermination seedling raising, a physical-chemical method is utilized to ensure that cultured seedlings have a high survival rate, and can resist changes of the external environment and virus bacterial infection, the illness probability is reduced to 0.3-0.5%, and the contents of protein, polysaccharide, starch and other nutrients in the purple yams cultured by using the seedlings are improved obviously.

Description

Technical field [0001] The invention relates to the field of yam planting, in particular to a method for raising seedlings of purple yam. Background technique [0002] Purple yam is also called "purple ginseng", also known as yam and taro. It belongs to the Dioscoreaceae family and is eaten with its thick tuberous or cylindrical roots. The root tuber contains 1.5% of protein, 14.4% of carbohydrates, and contains a variety of vitamins and choline, which have extremely high nutritional value. Rich in yam soap (natural DHEA), it contains various basic hormones. Often eating purple yam can promote the synthesis of endocrine hormones. Purple yam has a high protein content and starch content, so regular consumption of purple yam is good for moisturizing the skin and can also promote cell metabolism. It is a table delicacy. The main producing areas are southern Jiangxi, Guangdong, Taiwan and Fujian. The Hakka ethnic group is regarded as a treasure of health preservation, and it is a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00A01C1/00A01G1/00
CPCC05B7/00A01C1/00A01G22/00C05G3/00C05D9/00C05F11/00
Inventor 堵美娟
Owner 堵美娟