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Combined hybrid method of abelmoschus esculentus

A hybridization method, the technology of okra, which is applied in the direction of botany equipment and method, application, plant gene improvement, etc., can solve the problem of the reduction of hybrid purity and hybrid pod yield, non-standard okra hybrid breeding technology, and non-standard okra hybrid method. Improve the problems such as improving the pod forming rate of hybridization, improving the success rate of emasculation and work efficiency, and improving the efficiency of pollination

Inactive Publication Date: 2017-10-27
FOSHAN UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But my country's okra hybrid breeding technology is not standardized, and there are some deficiencies: 1) the germplasm resources are scarce, the genetic basis is narrow, and there are few high-quality varieties that are really suitable for the climate and soil quality in South China; 2) the okra hybridization method is not perfect, There are shortcomings in the hybridization operation. For example, when the stamens are removed, the stigma is damaged due to improper selection of tools or irregular operations, resulting in the failure of detasseling and reducing work efficiency; External factors cause damage to the style or are polluted by other pollen in advance, resulting in a decrease in the purity of the hybrid and the rate of hybrid pod formation

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] A kind of okra combined hybridization method, comprises the following steps:

[0029] (1) Breeding base selection: choose a place with no shelter on the east, west and south sides, a solid and flat foundation, sheltered from the wind and sunny, loose and fertile soil, free of salt and other pollution, and clean water;

[0030] (2) Seed soaking: Soak the seeds in warm water of 40-55°C to let the water temperature drop naturally in the air, the germination temperature is 25-28°C, and sow after the Lubai solar term;

[0031] (3) Soil preparation: deeply plow the soil for 30-40 cm, and apply organic fertilizer at the same time to remove hard objects;

[0032] (4) sowing: the male parent selects Yangchun okra for use, and the female parent selects the red star red okra combination for cultivation, and the seedling has 2 leaves and transplants with one heart, row spacing 50cm, and plant spacing 80cm;

[0033] (5) Field allocation of father and mother parents: the ratio of fa...

Embodiment 2

[0042] A kind of okra combined hybridization method, comprises the following steps:

[0043] (1) Breeding base selection: choose a place with no shelter on the east, west and south sides, a solid and flat foundation, sheltered from the wind and sunny, loose and fertile soil, free of salt and other pollution, and clean water;

[0044] (2) Seed soaking: Soak the seeds in warm water of 40-55°C to let the water temperature drop naturally in the air, the germination temperature is 25-28°C, and sow after the Lubai solar term;

[0045] (3) Soil preparation: deeply plow the soil for 30-40 cm, and apply organic fertilizer at the same time to remove hard objects;

[0046] (4) sowing: the male parent selects the green star okra for use, and the female parent selects the red star red okra combination for cultivation, and the seedling has 2 leaves and transplants with one heart, row spacing 55cm, and plant spacing 80cm;

[0047] (5) Field allocation of father and mother parents: the ratio...

Embodiment 3

[0056] A kind of okra combined hybridization method, comprises the following steps:

[0057] (1) Breeding base selection: choose a place with no shelter on the east, west and south sides, a solid and flat foundation, sheltered from the wind and sunny, loose and fertile soil, free of salt and other pollution, and clean water;

[0058] (2) Seed soaking: Soak the seeds in warm water of 40-55°C to let the water temperature drop naturally in the air, the germination temperature is 25-28°C, and sow after the Lubai solar term;

[0059] (3) Soil preparation: deeply plow the soil for 30-40 cm, and apply organic fertilizer at the same time to remove hard objects;

[0060] (4) sowing: the male parent selects Huabao red okra, and the female parent selects the green star okra combination for cultivation, and the seedling has 2 leaves and transplants with one heart, row spacing 60cm, and plant spacing 90cm;

[0061] (5) Field allocation of father and mother parents: the ratio of father and...

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PUM

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Abstract

The invention discloses a combined hybridization method of okra, comprising: (1) selection of breeding base; (2) soaking of seeds; (3) soil preparation; (4) sowing; (5) field configuration of father and mother; (6) (7) sorting out the female parent plant and isolating the father and female parent; (8) removing stamens; (9) pollination; (10) removing invalid flower pods; (11) picking. The hybridization method provides a set of hybridization breeding methods including arrangement of female plants, female parent emasculation, artificial pollination, fruit management and seed harvesting for hybrid breeding cultivation and parent-female combination pairing.

Description

technical field [0001] The invention relates to the technical field of vegetable hybrid breeding, in particular to an okra combined hybridization method. Background technique [0002] Okra is a cross-pollinated crop with obvious heterosis. Conventional cross breeding, also known as combination breeding. Through artificial hybridization, the excellent traits scattered on different parents are combined into hybrids, and the offspring are selected for multi-generation breeding to obtain new varieties with homozygous or nearly homozygous genotypes. But my country's okra hybrid breeding technology is not standardized, and there are some deficiencies: 1) the germplasm resources are scarce, the genetic basis is narrow, and there are few high-quality varieties that are really suitable for the climate and soil quality in South China; 2) the okra hybridization method is not perfect, There are shortcomings in the hybridization operation. For example, when the stamens are removed, the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01H1/02
CPCA01H1/02
Inventor 刘后周曹毅卢博彬周永舜廖慧敏郑冰云
Owner FOSHAN UNIVERSITY
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