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Breeding method of purple chili selfing line

A technology of inbred and green peppers, applied in the field of breeding of purple pepper inbreds, can solve the problem of food safety of a single genotype

Inactive Publication Date: 2016-01-20
刘文霞
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The object of the present invention is to provide a method for germplasm resources of homozygous inbred lines of purple pepper with short cultivation period, good agronomic traits and different genotypes, aiming at the problems of single genotype and edible safety in the existing purple pepper

Method used

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  • Breeding method of purple chili selfing line

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Experimental program
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Effect test

Embodiment 1

[0027] Embodiment 1: (breeding of purple pepper CL1-1, CL1-2 inbred lines)

[0028] 1) May-August 2009: The red pepper T09-028 was used as the female parent and the yellow pepper T09-023 was used as the male parent to obtain F 1 Substitute material 2823, the fruit color is red;

[0029] 2) September 2009-March 2010: Green pepper CH08-003 was used as the female parent and 2823 was used as the male parent to obtain a three-cross hybrid 08-003×2823 with red and yellow fruit colors;

[0030] 3) May-August 2010: Using CH08-003 as the recurrent female parent and 08-003×2823 red plant as the male parent, the backcross generation 08-003×2823BC was obtained by crossing 1 ;

[0031] 4) September 2010-March 2011: Plant 150 plants of the first generation of backcrossing, and the fruit colors are separated into three types: red, yellow and green, and select green pepper plants with excellent growth and fruiting performance for selfing and saving seeds. get BC 1 f 2 substitute seeds; ...

Embodiment 2

[0034] Embodiment 2: (breeding of purple pepper CL2-1, CL2-2 inbred lines)

[0035] 1) From September 2009 to March 2010: the female parent of the yellow pepper CH05-019 was crossed with the red pepper Hongfeng 404 as the male parent, and the obtained F 1 The number of the generation material is 1904, and the color of the fruit is red;

[0036] 2) May-August 2010: The green pepper CH08-003 was used as the female parent and 1904 was used as the male parent to obtain a three-cross variety 08-003×1904, and the fruit color was red and yellow;

[0037] 3) September 2010-March 2011: The red plant of 08-003×1904 was used as the female parent, and CH08-003 was used as the recurrent male parent to obtain the first generation of backcross 08-003×1904BC 1 ;

[0038] 4) May-August 2011: planting backcross generation 08-003×1904BC 1 There are 150 plants, and the fruit colors are separated into three types: red, yellow and green. The green peppers with excellent growth and fruit performa...

Embodiment 3

[0041] Embodiment 3: (breeding of purple pepper CL3-1, CL3-2 inbred lines)

[0042] 1) May-August 2010: The red pepper Chaotian 148 was used as the female parent and the yellow pepper CH05-019 was used as the male parent to obtain F 1 The number of the substitute material is 4819, and the color of the fruit is red;

[0043]2) September 2010-March 2011: 4819 was used as the female parent and the green pepper CH08-003 was used as the male parent to obtain a three-cross hybrid 4819×08-003 with red and yellow fruit colors;

[0044] 3) May-August 2011: The backcross generation 4819×08-003BC was obtained by crossing the red plant of 4819×08-003 as the female parent and CH08-003 as the recurrent male parent 1 ;

[0045] 4) September 2011-March 2012: planting backcross generation 4819×08-003BC 1 150 plants, the fruit colors are separated into three types: red, yellow and green, from which the green peppers with good growth and good fruit performance are selected for selfing and sav...

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Abstract

The invention discloses a breeding method of a purple chili selfing line and belongs to the technical field of plant breeding. The breeding method comprises the following steps: (1) preparing red F1-generation hybrid seeds by red and yellow chilies; (2) taking the generation F1 as a male parent or a female parent to be hybridized with green chilies to obtain three-way hybridized seeds; (3) taking the green chilies as a male parent or a female parent to carry out backcross on the red three-way hybridized seeds to prepare a generation BC1; (4) selecting green single plants from a BC1-generation segregation population and carrying out selfing to obtain BC1F2-generation seeds; (5) selecting purple chilies from a BC1F2-generation segregation population, carrying out selfing and reserving seeds; and (6) carrying out 3-5 generation selfing and homozygosis to obtain the purple chili selfing line. The invention provides a novel breeding manner for the establishment of purple chili germplasm resources, and purple chili hybrid seeds with obvious advantages can be further cultured by using the novel breeding manner; and the breeding method can be popularized and applied in the aspects of breeding and production.

Description

technical field [0001] The invention relates to the technical field of plant breeding, in particular to a method for breeding purple pepper inbred lines. Background technique [0002] Capsicum (Capsicumannuum L), Solanaceae, Capsicum genus, is an annual or limited perennial herb. The fruit is usually conical or oblong, green when immature, and bright red, green or purple when ripe, with red being the most common. Pepper is one of the most important vegetable crops in the world. The global pepper planting area is 55 million mu, while China's pepper planting area is 23 million mu. It is the world's largest pepper producer and major consumer country, and is also one of the countries with the largest pepper export , the average yield per mu is more than 1000 kg. [0003] The existing purple pepper varieties are mainly lantern-shaped sweet pepper series produced by foreign seed companies, while my country mainly consumes peppers; at the same time, under the condition that peppe...

Claims

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Application Information

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IPC IPC(8): A01H1/02A01H1/04
Inventor 刘文霞
Owner 刘文霞
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