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Virus-free basic potato seed production technology

A production technology and potato technology are applied in the field of potato detoxification original seed production, which can solve the problem of high survival rate and achieve the effects of high survival rate, good water permeability and low cost.

Inactive Publication Date: 2011-04-20
昆明市农业科学研究院
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the existing problems in the production of the existing virus-free original seeds, and to provide a production technology of the original virus-free potatoes, which is simple to operate, low in cost, and has a high survival rate after planting

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Use the unique washed river sand in Xiaojiang River Basin, Dongchuan District, Kunming City, Yunnan Province. The main component is granite. The substrate is leveled 2 weeks in advance. And seal the shed for fumigation for a week, open the shed for ventilation after a week, turn over the substrate once every other day, and turn it over for a total of 3-4 times. The stitching is firm, without cracks or holes, and the entrance and exit are provided with double-layer protection between the transitions, and a disinfection pool is provided between the transitions.

[0022] Choose potato virus-free tissue culture seedlings with a height of 6-7cm. The medium should be washed after the virus-free tissue culture seedlings come out of the bottle. / 3, after the seedlings are inserted into the hole, the substrate needs to be pressed firmly, the row spacing of plants is 6×15cm, 112 plants / m 2 to plant.

[0023] attention in management

[0024] 1) Keep the greenhouse clean and tid...

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Abstract

The invention provides a virus-free basic potato seed production technology comprising the following three steps of seedbed treatment, cutting and management. The technology is characterized in that washed river sand is employed as the seedbed base, the management is carried out according to a certain method, and the formula of used nutrient solution is that 0.24 grams of N, 0.2 grams of P2O5 and0.48 grams of K2O are added in each liter of water and 0.6 grams of N, 0.6 grams of P2O5 and 0.6 grams of K2O are added in each liter of water. By adopting this technology, the yield of virus-free basic potato seeds per unit area is high, and the virus-free basic potato seeds are large in size, with 68% greater than 3 grams. As a technology for planting seeds for production, the technology of theinvention is low in requirement and high in survival rate.

Description

technical field [0001] The invention relates to crop production technology, especially the production technology of potato virus-free original seed. Background technique [0002] Potato production mainly uses tubers for asexual reproduction, but due to the large number of planting generations, it is very easy to be infected with viruses, coupled with seed adjustments and strings of planters, resulting in the degradation and mixing of seed potatoes, resulting in low yields of potatoes produced. The quality is poor, which seriously affects and restricts the production and development of potatoes. Potato tissue-cultured seedlings are grown through tissue culture, and then the stem tip is stripped to eliminate the potato virus disease, and then the virus-free tissue-cultured seedlings are propagated on a large scale, transplanted on a sterilized substrate, and isolated and protected. The seed potato produced in this way is exactly the original seed of detoxification. Quality h...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G31/00
Inventor 魏明刘卫民邹万君张丽芳朱维贤李华邱永寿蒋瑜施林
Owner 昆明市农业科学研究院
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