Winter sunlight greenhouse seedling transplantation method of potato seedling seeds

A technology for seedling, seedling transplanting, applied in the fields of botanical equipment and methods, horticulture, application, etc., can solve problems such as potatoes that cannot be solved, and achieve the effects of speeding up breeding and production and utilization, preventing low temperature and chilling damage, and reducing damage.

Inactive Publication Date: 2013-08-21
云南省农业科学院经济作物研究所
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These technical solutions have their effects, but they only involve part of the problems of seed germination or seedling cultivation, and cannot solve the problem of potato seeds being applied in the year they are harvested in the same year

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] On August 12, 2009, 198 hybrid combinations were harvested. On August 24, the seeds were cleaned and counted to determine the number of each combination. It is estimated that 68,723 seeds will be sown.

[0021] 1. Prepare the seedbed and substrate while washing the seeds. The seedbed is a mobile seedbed in a greenhouse, with a width of 1.5 meters and a length of 18 meters. The matrix is ​​perlite: humus: loam = 3:1:1. The humus and loam are sieved before mixing, and water is sprayed while preparing the matrix. while mixing, per m 2 Apply 25g of general calcium, 10g of urea or 25g of ternary compound fertilizer to the matrix to fully mix the fertilizer with the matrix, and do a good job of disinfection. The thickness of the matrix on the seedbed is 8-10cm.

[0022] 2. Seed dormancy breaking: On September 17, according to the number of sowing requirements for each combination, the seeds were first wrapped with double-layer gauze, and soaked in 1500ppm gibberellin solutio...

Embodiment 2

[0031] On August 5, 2010, 224 hybrid combinations were harvested. On August 15, the seeds were cleaned and counted to determine the number of seeds to be planted in each combination. It is estimated that 80,149 seeds will be sown.

[0032] The seeds were soaked with gibberellin on September 3, 2010, the seeds were sown on September 7, transplanted in the solar greenhouse on October 11, and harvested on January 21, 2011, a total of 63728 seed potatoes were obtained.

[0033] Seedling transplanting methods and growth period management are as follows:

[0034]1. Prepare the seedbed and substrate while washing the seeds. The seedbed is a mobile seedbed in a greenhouse, with a width of 1.5 meters and a length of 18 meters. The matrix is ​​perlite: humus: loam = 2.5:1:1. The humus and loam are sieved before mixing, and water is sprayed while preparing the matrix. while mixing, per m 2 Apply 30g of general calcium, 15g of urea or 30g of ternary compound fertilizer to the substrate ...

Embodiment 3

[0038] Example 3: (2011)

[0039] 1. Prepare the seedbed and substrate while washing the seeds. The seedbed is a mobile seedbed in a greenhouse, with a width of 1.5 meters and a length of 18 meters. The matrix is ​​perlite: humus: loam = 3: 1.25: 1.25. The humus and loam are sieved before mixing, and water is sprayed while preparing the matrix. while mixing, per m 2 Apply 35g of general calcium, 20g of urea or 35g of ternary compound fertilizer to the substrate to fully mix the fertilizer with the substrate and disinfect it. The thickness of the substrate on the seedbed is 8-10cm.

[0040] 2. Seed dormancy breaking: On September 17, according to the number of sowing requirements for each combination, the seeds were first wrapped with double-layer gauze, and soaked in 1500ppm gibberellin solution for 26 hours to break dormancy.

[0041] 3. Seed germination: filter the soaked seeds and place them in a constant temperature box at 23°C, wash them gently with warm water at about ...

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PUM

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Abstract

The invention discloses a winter sunlight greenhouse seedling transplantation method of potato seedling seeds. The seedling seeds collected in the same year are subjected to dormancy breaking, pregermination and the like, and cultured and transplanted in a winter. The method mainly comprises the following steps of (1) substrate preparation, (2), the dormancy breaking of the seeds, (3) the pregermination, (4) seeding, (5) seedbed management, (6) nutrition pot preparation, (7) transplantation, (8) management after the transplantation, and (9) timely harvesting. The method has the advantages that (1) the dormancy of the potato seedling seeds collected in the same year is broken effectively, so that a germination rate of the seedling seeds collected in the same year reaches above 80%; (2) the temperature and the humidity are controlled with small sheds in a sunlight greenhouse, so that chilling damages are prevented effectively; (3) enough water is sprayed before the transplantation, so that the damages to root systems of seedlings during the transplantation are reduced, and a survival rate of the transplantation of the seedlings reaches above 95%; and (4) the potato seedling seeds are collected and applied in the same year; a seed breeding period can be shortened by 1-1.5 years compared with the conventional method; and breeding, production and utilization of a new variety are accelerated.

Description

[0001] technical field [0002] The invention relates to a method for growing and transplanting seedlings of potato in a solar greenhouse in winter. Background technique [0003] At present, potato breeding in my country is mainly to obtain seed seeds through sexual hybridization or natural self-crossing, and then to germinate the seed seeds, raise seedlings and transplant them, and to breed potatoes with stable properties, high yield and good quality from the offspring of seedling clones. New varieties. In this process, the germination of seedlings and transplanting of seedlings are relatively critical steps. As we all know, the germination rate of seed seeds is low during the germination process. Many experts believe that potato seeds can only be placed for germination every other year, and the germination rate is also low. "Potato Breeding" edited by Sun Huisheng believes that the germination rate of seeds harvested in that year Only 50-60%. If the germination effect is...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/00
Inventor 白建明李燕山包丽仙姚春光普红梅隋启君卢丽丽潘哲超杨琼芬尹自友徐宁生李先平王颖刘凌云
Owner 云南省农业科学院经济作物研究所
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