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Integrated high propagation method of water planting of virus-free potato seeds and seedlings

A potato and hydroponic technology, which is applied in the field of integrated high-fold breeding of potato virus-free seed potatoes and seedling hydroponics, can solve the problem that the growth of algae such as green algae cannot be reduced or reduced, and the temperature of the nutrient solution cannot be too high or too low. , unfavorable to the normal expansion of potato tubers, etc., to improve the quality of seed potatoes, expand the reproduction times of plants, and shorten the production period.

Inactive Publication Date: 2017-11-17
SOUTHWEST UNIVERSITY
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Problems solved by technology

Simultaneously, although the existing method can meet the needs of potato hydroponic seed potato production, it cannot provide the best growth environment for stolon, tuber generation and expansion during the production of potato virus-free seed potato
Therefore, it is not conducive to the early occurrence and frequent occurrence of stolons; it is not conducive to the normal expansion of potato tubers; it cannot solve the contradiction between later tuber growth and root system nutrient absorption in the nutrient solution; it cannot reduce or reduce the growth of algae such as green algae; it cannot solve the nutrient solution Too high or too low temperature problem

Method used

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  • Integrated high propagation method of water planting of virus-free potato seeds and seedlings
  • Integrated high propagation method of water planting of virus-free potato seeds and seedlings
  • Integrated high propagation method of water planting of virus-free potato seeds and seedlings

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Embodiment 1

[0032] Embodiment 1, potato virus-free seed potato and seedling hydroponic integrated high-magnification breeding method

[0033] 1) After uncovering the virus-free tissue culture seedlings for testing, harden the seedlings at room temperature (18-25°C). After 2-3 days, take the seedlings out of the tissue culture bottle, remove the old roots and wash them, and place the lower ends of the seedlings in 20mg· L -1 After soaking in IBA solution for 20 minutes, wrap it with pearl cotton tube and insert it into the seedling device, cultivate it in water in the hydroponic seedbed for 1-2 days, and then replace it with nutrient solution for cultivation. Root and rejuvenate the tissue cultured seedlings. At this time, adjust the height of the return nozzle so that the depth of the nutrient solution is 2 to 4 cm, so that the base can fully contact the nutrient solution, and the temperature of the nutrient solution is controlled at 25±2°C; the formula of the nutrient solution for seedli...

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Abstract

The invention relates to an integrated high propagation method of water planting of virus-free potato seeds and seedlings. The method comprises the steps that a multiplication technology of the water-planting virus-free seedlings and a water planting production technology of the seedlings and the seeds are integrated, and the concentration of nutrient solution components, the light quality of a supplementary light source, hormone components, seedling cutting times and the like are optimized at the same time. According to the method, the stability and security are high, operation and daily management are simple and convenient, the maintenance and production costs are low, the sound seedling index of water-planting potato plants are significantly improved, the yield and quality of the seedlings and mini-potato are improved, the plant propagation coefficient is enlarged, the production cycle of the mini-potato is shortened, and the method is of great importance in breeding of the potato seeds and seedlings.

Description

technical field [0001] The invention belongs to the technical field of soilless cultivation, and in particular relates to a high-power breeding method for the integration of virus-free seed potatoes and seedlings through hydroponics. Background technique [0002] Potato is a tuber plant of Solanaceae family and is an important food crop in the world. However, the potato will be infected with viruses and degenerate and reduce production after many years of planting, with an average production reduction of 30-50%. At present, the main technology used by scientists all over the world to solve the degradation is to propagate seedlings through virus-free shoot tips, then breed minitubers and further breed the original species for use. Its potato virus-free seed potato breeding methods mainly include matrix cultivation, aeroponic cultivation, hydroponics and test tube cultivation and other methods. Among them, the hydroponic breeding technology of potato virus-free seed potatoes...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G31/00A01G31/02
CPCA01G31/00A01G31/02Y02P60/21
Inventor 唐道彬王季春吕长文赵勇刘勋张晓勇白慧石榴
Owner SOUTHWEST UNIVERSITY
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