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Breeding method of rape variety suitable for machine harvesting and sowing

A machine harvester and rapeseed technology, applied in the direction of botany equipment and methods, application, plant gene improvement, etc., can solve the problems of variety improvement and cultivation research lag, low degree of mechanization, scattered rapeseed production, etc., to achieve good yield, The effect of good maturity consistency and coordinated output structure

Active Publication Date: 2014-11-26
菏泽市牡丹区尧舜酿酒厂
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Problems solved by technology

However, the production of rapeseed in my country is scattered and the degree of mechanization is low, and the improvement of varieties suitable for mechanized production and the research on cultivation are seriously lagging behind. [ , the competitive advantage in the international market is at a disadvantage

Method used

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  • Breeding method of rape variety suitable for machine harvesting and sowing
  • Breeding method of rape variety suitable for machine harvesting and sowing
  • Breeding method of rape variety suitable for machine harvesting and sowing

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Embodiment

[0016] Example: Combine figure 1 and table 1 to further illustrate the technical solution of the present invention.

[0017] A kind of breeding method suitable for machine-harvesting and machine-sowing rapeseed variety Zhen 2808, specifically as follows:

[0018] 1) F 0 Hybridization: In 2002, a self-selected Brassica napus variety with strong lodging resistance and compact plant type (8901×94Y16) F 2 As the female parent, with self-selected high-yield and good agronomic traits 8705×Shi Lifeng) F 4 F 0 66 seeds;

[0019] 2) F 1 Selfing: In 2002, the seeds harvested in the year were planted in 3 rows, and single plants with strong advantages and good agronomic characteristics were selected for mixed harvesting, and the number of seeds obtained was F 1 .

[0020] 3) F 2 Inbred: F in 2003 1 Sowing, only controlling insects but not preventing diseases in the field, selecting single plants with good growth vigor and light diseases, and conducting indoor seed testing and qu...

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Abstract

The invention discloses a breeding method of a rape variety suitable for machine harvesting and sowing. The method is as below: using a rape variety (8901* 94Y16) F2 as a female parent, hybridizing with (8705 *Shi Lifeng) F4 as a male parent to obtain an F0 seed; sowing the F0 seed; selecting an excellent individual plant for mixed sowing; carrying out years of continuous self-crossing from an F2; carrying out bagging inbred on the individual plant since an F3; rigorously analysing quality of individual plant in the indoor; cleaning out plants with unqualified double low indexes to ensure excellent and stable quality of offspring; and gaining a novel strain 2808 of a conventional cabbage type rape with high quality, double low, disease resistance, high and stable yield and lodging resistance until an F6. The rape bred by the method has advantages of high quality, double low, full and round rapeseed, high thousand seed weight, black seed, good commodity, excellent disease resistance, high and stable yield, good agronomic traits, excellent lodging resistance, strong self regulation ability, good plant type, good maturity performance, constant maturity, suitability for machine harvesting and sowing, and cost saving.

Description

technical field [0001] The invention relates to a plant breeding method, in particular to a breeding method suitable for machine-harvesting and machine-sowing rapeseed variety Zhen 2808. Background technique [0002] With the improvement of living standards, urban and rural residents' demand for high-quality vegetable oil continues to increase, and the domestic market has been under great pressure on the import of rapeseed. In recent years, the national rapeseed imports have accounted for an increasing proportion of my country's total rapeseed output; high and stable yield, high quality and stress resistance of double-low rapeseed varieties are mutually restricted and cannot coexist. Existing rapeseed varieties are difficult to adapt to modern farming systems. Adapt to the needs of modern farming level and economic development. The traditional rapeseed cultivation method has seriously hindered the industrialization development of my country's rapeseed. In recent years, due ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01H1/02
Inventor 岳绪国顾炳朝
Owner 菏泽市牡丹区尧舜酿酒厂
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