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Breeding method of high-quality cream-colored tomato inbred line

A cream-colored, inbred technology, applied in the fields of botanical equipment and methods, applications, and plant genetic improvement, can solve the problem of not meeting the needs of tomato diversity, and achieve stable fruit color, short breeding cycle, and good quality. Effect

Pending Publication Date: 2020-10-20
宁波微萌种业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above is a method for preparing and breeding purple tomatoes. Although a new color tomato is provided, it still cannot meet the market's demand for tomato diversity.

Method used

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  • Breeding method of high-quality cream-colored tomato inbred line
  • Breeding method of high-quality cream-colored tomato inbred line
  • Breeding method of high-quality cream-colored tomato inbred line

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0024] The cultivation method of the high-quality cream tomato of the present embodiment, concrete steps are as follows:

[0025] Select high-quality pure-line materials or first-generation hybrids (such as attached figure 1 Orange tomatoes as shown and as attached figure 2 shown pink tomato), using orange tomato as the male parent or female parent, crossing with pink tomato to obtain F1 generation hybrid seeds.

[0026] Sow F1 generation seeds in the next season, plant 10 plants, the fruit color is orange at the mature stage, self-fertilize each plant, mix and save seeds, and obtain F2 generation seeds.

[0027] Sow the F2 generation seeds in the next season, and then plant 200 plants. A single plant will be self-crossed, and the traits will be separated violently. The fruit colors will be separated into red, pink, yellow, orange and cream. Creamy tomato with high soluble solids content, thin skin and tender flesh, finally obtained F3 generation seeds.

[0028] Sow F3 gen...

Embodiment example

[0031] Implementation case: inbred line 03241-S-58-4-3-1, cream-colored fruit (as attached Figure 5 shown), by FX-03 (as attached figure 2 The pink fruit shown is separated from the self-crossing of our company's tomato variety 'Fenxiaoke') and JF-241 (as attached figure 1 The orange fruit shown is self-segregated from the tomato variety 'Jinfei' of Nongyou Seedlings (China) Co., Ltd.) crossed and self-segregated.

[0032] 1. Female parent selection

[0033] In the spring of 2014, the pink tomato FX-03 was used as the female parent and the orange tomato JF-241 was used as the male parent to cross, and the F1 generation material 03241 was obtained, and the fruit color was orange.

[0034] In the autumn of 2014, the F1 generation seeds were sown, a single plant was selfed, and the seeds were mixed to obtain the F2 generation seeds.

[0035] In the spring of 2015, the F2 generation seeds were sown, and a total of 200 plants were planted, and each plant was self-crossed. Rip...

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Abstract

A breeding method of a high-quality cream-colored tomato inbred line is characterized in that the method is carried out according to the following steps: (1) selecting high-quality orange tomatoes ororange tomatoes with good presentation of part of traits as male parents or female parents to hybridize with pink tomatoes to obtain an F1-generation hybrid with orange fruit color; (2) selfing the F1generation for reserving seeds to get F2-generation seeds; (3) separating the F2 generation into groups red, pink, yellow, orange and creamy fruit colors, and selecting individual cream tomato plantswith excellent agronomic traits for selfing for reserving seeds; and (4) after performing 3-5 generations of selfing homozygosis on selfing reserved seeds, selecting a cream-colored tomato inbred line with stable and consistent colors and agronomic traits. The breeding method has the advantages that the existing tomato fruit colors can be effectively enriched, the cultivation period is short, theagronomic traits are good, the soluble solid content is high, and tomatoes have proper taste softness and thin peel.

Description

technical field [0001] The invention relates to the technical field of plant breeding, in particular to a breeding method for cultivating different types of high-quality cream-colored tomato inbred lines using tomatoes with two different fruit colors, orange and pink. Background technique [0002] At present, most tomatoes on the market are mainly red, and the cultivation cycle is relatively long. In addition, the taste and soluble solid content are not very ideal. [0003] In the prior art, there is a method for breeding purple tomato inbred lines. 1) use red tomato as the male parent or hybridize the female parent with yellow tomato to obtain F1 generation hybrids whose fruit color is red; 2) use F1 generation hybrids as The male parent or female parent is crossed with green tomato to obtain a three-cross species with red and yellow fruit colors; 3) Using green tomato as the male or female parent, backcross the three-cross species with red fruit color to obtain backcross B...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01H1/02A01H1/04
CPCA01H1/02A01H1/04
Inventor 薄永明王宁东
Owner 宁波微萌种业有限公司
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