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Selection method for good genetic strain of sophora japonica

An excellent technology of Mihuahua, which is applied in the field of selection of excellent genetic strains of Mihuahua, can solve the problems of no superior genetic strains of Mihuahua, achieve the effects of increasing farmers' income, significant social and economic benefits, and increasing the variety rate

Inactive Publication Date: 2018-02-13
山西省林业科学研究院
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention aims at the problem in the prior art that there is no breeding of excellent gene strains of Sophora japonica, and provides a method for selecting good gene strains of Sophora japonica

Method used

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  • Selection method for good genetic strain of sophora japonica
  • Selection method for good genetic strain of sophora japonica
  • Selection method for good genetic strain of sophora japonica

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] 1. The location of Youshu

[0032] 1. Baoquan Village, Didian Town, Jishan County, Yuncheng City, Shanxi Province.

[0033] 2. The altitude is 572.34 m, the longitude is 110°53′19″E, and the latitude is 35°27′07″N. Topography: Plain, Slope: None, Aspect: None, Slope: None.

[0034] 3. Soil type: cinnamon soil, soil thickness: thick, texture: loam, vegetation type: broad-leaved.

[0035] Two, excellent tree characteristics

[0036] 1. Crown: crown shape: round head shape, crown width 4 m from north to south, east to west 4 m, average 4 m, crown height: 5.5 m.

[0037] 2. Trunk: The height of the tree is 7.5 m, the height of the main trunk is 2 m, the height of the branches is 1.8 m, the diameter at breast height is 18.70 cm, the base diameter is 20.80 cm, the bark is complete, smooth, rough, and the color is grayish brown.

[0038] 3. Branching status: the number of side branches is 5, the number of first side branches is 3, and the branch angle is 40°.

[0039] 4. ...

Embodiment 2

[0047] 1. The location of Youshu

[0048] 1. Emei Village, Zhaidian Town, Jishan County, Yuncheng City, Shanxi Province, the small place name is Nanzhaipo.

[0049] 2. The altitude is 607.57m, the longitude is 110°54′09″E, and the latitude is 35°27′09″N. Topography: terraced fields, slope position: upper middle, slope aspect: half shade, slope: dangerous.

[0050] 3. Soil type: cinnamon soil, soil thickness: thick, texture: loam, vegetation type: broad-leaved.

[0051] Two, excellent tree characteristics

[0052] 1. Crown: crown shape: happy shape, crown width 2.5m from north to south, east to west 2.5m, average 2.5m, crown height: 2.5m.

[0053] 2. Trunk: tree height is 3.6m, trunk height is 1.2m, branch height is 1m, diameter at breast height is 17.50cm, base diameter is 19.00cm, the bark is complete, smooth, rough, and the color is taupe.

[0054] 3. Branching status: the number of side branches is 5, the number of first side branches is 4, and the branch angle is 60°. ...

Embodiment 3

[0063] 1. The location of Youshu

[0064] 1. Emei Village, Zhaidian Town, Jishan County, Yuncheng City, Shanxi Province, the small place name is Nanzhaipo.

[0065] 2. The altitude is 607.57 m, the longitude is 110°54′09″E, and the latitude is 35°27′09″N. Topography: terraced fields, slope position: upper middle, slope aspect: half shade, slope: dangerous.

[0066] 3. Soil type: cinnamon soil, soil thickness: thick, texture: loam, vegetation type: broad-leaved.

[0067] Two, excellent tree characteristics

[0068] 1. Crown: crown shape: happy shape, crown width 2.5m from north to south, east to west 2.5m, average 2.5m, crown height: 2 m.

[0069] 2. Trunk: tree height is 3.5m, trunk height is 1.5m, branch height is 1.1m, diameter at breast height is 16.80cm, base diameter is 18.80cm, bark is intact, smooth, general, color, gray-green.

[0070] 3. Branching status: the number of side branches is 4, the number of first side branches is 3, and the branch angle is 50°.

[0071]...

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Abstract

The invention discloses a selection method for a good genetic strain of sophora japonica, and belongs to the technical field of tree good strain selection. The method is capable of solving the problemin the prior art that the good genetic strain of the sophora japonica cannot be selected. The method comprises the following steps: after the primary selection and repeated selection, selecting superior trees, marking the superior trees, and breeding the superior trees through grafting and budding; and after the bred superior trees are in the full bearing period, performing the contrastive analysis to all tested clones, and selecting the superior tree clones which can keep the female parent good feature or achieve the local main cultural variety standard as the good strains. The method is capable of improving the variety rate of the sophora japonica, and optimizing the sophora japonica resources.

Description

technical field [0001] The invention belongs to the technical field of breeding fine trees, and in particular relates to a selection method for fine gene strains of Sophora japonica. Background technique [0002] Excellent gene strains refer to the ones that are particularly excellent in growth, shape, material and resistance adaptability in similar environmental conditions, such as the same site conditions, the same age, and the same forest management measures in natural forests or artificial forests. individual. The selection of excellent trees is to select phenotype individuals from the natural forest or artificial forest population according to the selection target and the standard of excellent trees, collect seeds or ears from the selected excellent individual plants, carry out propagation, comparison and genetic determination, and further Single plants with truly excellent genetic quality are selected, and seed orchards or ear picking nurseries are established to bree...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01H1/04A01G2/30
Inventor 高洁张晓玲王煜慧张素华田建华郝凯婕马佳琳李艳珍
Owner 山西省林业科学研究院
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