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Cultivation method of new high-yield high-quality strawberry variety

A cultivation method and technology for new varieties are applied in the field of cultivation of new varieties of high-yield and high-quality strawberries, which can solve the problems of low yield and backward cultivation technology, and achieve the effect of obvious physiological advantages.

Pending Publication Date: 2021-01-29
段一皋 +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] According to the survey, some domestic scientific research institutes and colleges and universities have used conventional breeding methods to breed some new varieties, but there are still no new varieties that surpass the world level; , and the yield per unit area is not high, and the cultivation technology is backward

Method used

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  • Cultivation method of new high-yield high-quality strawberry variety
  • Cultivation method of new high-yield high-quality strawberry variety

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Embodiment 1 space mutagenesis

[0040] In 2004, the 0.8g seed of the "Camrosa" strawberry variety with the largest fruit among the American strawberry varieties was handed over to the China Aerospace Breeding Center, and applied for carrying the 20th returnable satellite. The strawberry seeds on the satellite passed through the outer space. After 18 days of cosmic ray treatment, it returned to the ground. On December 6, 2004, the seeds were retrieved, and the planting and field selection work began at the Zhangtou Strawberry Base in Machikou Town, Changping District.

[0041] Specific process:

[0042]Collect satellite-borne seeds: Collect seeds of the American Camrosa strawberry variety with strong disease resistance and high yield, but poor quality and hard pulp that is resistant to transportation. Prepare to select the good and get rid of the bad, and select new varieties. Because there are many seeds in fresh strawberry fruit, the degree of pollination and develo...

Embodiment 2

[0047] Embodiment 2 Breeding

[0048] (1) Breeding of individual plants of superior space line

[0049] A. Vitality selection process:

[0050] First, put the sieved peat matrix in a 200-hole hole tray for compaction, pour enough water, sprinkle 0.8g of seeds evenly on the flat surface, and suppress it, and then cover the seeds with clean fine sand to a thickness of at least 100%. Seeds are advisable. Then cover a layer of mulch on the fine sand to keep moisture. Finally, put the plug tray in an environment of about 20-30°C to make it germinate, and remove the plastic film in time when the seeds top the soil. Statistics after the fifteenth day showed about 85 seedlings and sprouts that turned green and germinated. Statistics after the thirtieth day showed that about 31 seedlings had taken root, grown leaves and become seedlings. On the 60th day, the seedlings were divided and planted, and it was 22 plants that reached rooting and planted and survived.

[0051] B. Breedin...

Embodiment 3

[0055] Embodiment 3 directional hybridization, preferred

[0056] The selected space superior line has obvious physiological advantages. In the second year, it was used as the female parent, and the "Tochiotome" strawberry variety was used as the male parent for hybridization. Two small fruits were successfully hybridized, and 31 seedlings were bred. After selection and elimination, the fruit was successful. There are four plants, and the number one plant bears only 4-5 fruits. Plant No. 2 has the characteristics of four seasons with uninterrupted flowering period, long intervals and soft fruit. Plant No. 3 has deep red fruit with European and American characteristics. The No. 4 plant has the characteristics of sweet and sour taste, outstanding sweetness, strong fragrance, large fruit, early maturity, and disease resistance, and has reached the four standards of the aerospace breeding program.

[0057] The specific process of sexual hybridization between the above-mentioned s...

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Abstract

The invention discloses a cultivation method of a new high-yield high-quality strawberry variety. The method comprises the following steps of selecting plentiful and full strawberry seeds, carrying out space ray mutagenesis to obtain variant seeds, sowing the variant seeds, selecting high-quality single plants, taking the high-quality single plants as female parents, taking stable-sweetness and strong-disease-resistance Toyonoka strawberry variety as male parents, performing hybridization to obtain F1-generation seeds, sowing the F1-generation seeds, and carrying out open field and sunlight greenhouse test observation to obtain the new strawberry variety with excellent properties and genetic stability. A binary breeding method combining a spaceflight breeding technology and a sexual hybridization technology is adopted, and the high-quality strawberry variety which can be stably inherited, are high in fruit sweetness, are low in disease infection rate and are robust in plants are selected.

Description

technical field [0001] The invention relates to the technical field of strawberry breeding, in particular to a method for cultivating new strawberry varieties with high yield and high quality. Background technique [0002] The cultivation of new strawberry varieties can bring business opportunities and convenience to the development of my country's strawberry planting industry. At present, domestic strawberry breeding technology is backward, and the advantages of new varieties are not strong. It lags behind Europe and the United States in two aspects of strawberry new variety cultivation technology and high-yield cultivation technology nation. Although my country's strawberry industry has developed rapidly in the past 30 years, its cultivation area and total output rank first in the world. However, the level of science and technology for cultivating new varieties is still relatively backward. In particular, 99% of strawberry planting areas in my country are planted with fore...

Claims

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Application Information

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IPC IPC(8): A01H1/06A01H1/02A01H1/04A01G22/05A01G24/10
CPCA01H1/06A01H1/02A01H1/04A01G22/05A01G24/10
Inventor 段一皋刘慧超
Owner 段一皋
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