A field comparative test method and application of a new fast-growing tree variety

A comparative test and new variety technology, applied in the field of field comparative test of new fast-growing tree varieties, can solve the problems of large test error, low breeding efficiency, long test cycle, etc., and achieve the advantages of easy operation, shortened rotation period, and shortened test cycle Effect

Active Publication Date: 2021-08-06
SHANDONG FOREST SCI RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The inventors found that the above requirements lead to more land for field comparison tests of new fast-growing tree varieties, larger test errors, longer test periods, and lower breeding efficiency

Method used

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  • A field comparative test method and application of a new fast-growing tree variety
  • A field comparative test method and application of a new fast-growing tree variety
  • A field comparative test method and application of a new fast-growing tree variety

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0055] A field comparison test method for fast-growing new varieties of forest trees, comprising the following steps:

[0056] Step 1. Breeding of test materials: Cultivate control varieties as rootstocks 2 years in advance, use new varieties as scions, and carry out high-grafting at a height of 1.3m on rootstocks. The age and location of indirect ear materials of each variety should be consistent, and the grafting method should also be consistent. Nine plants were bred from each variety.

[0057] Step 2. Selection of experimental field: select 3 ecological experimental points, and the area of ​​each experimental point is determined according to the number of varieties to be tested. Requires flat terrain, convenient drainage and irrigation, high and uniform soil fertility.

[0058] Step 3, plot design: 3 plots, arranged in a single row, the size of the row spacing is determined according to the cultivation technical requirements of the target forest species of the selected ne...

Embodiment 2

[0063] A field comparison test method for fast-growing new varieties of forest trees, comprising the following steps:

[0064] Step 1. Breeding of test materials: Cultivate the control variety one year in advance as the rootstock, use the new variety as the scion, and carry out high grafting at a height of 1.3m on the rootstock. 12 strains were bred for each variety.

[0065] Step 2. Selection of experimental field: select 3 ecological experimental points, and the area of ​​each experimental point is determined according to the number of varieties to be tested. Requires flat terrain, convenient drainage and irrigation, high and uniform soil fertility.

[0066] Step 3, plot design: 3 plots, arranged in a single row, the size of the row spacing is determined according to the cultivation technical requirements of the target forest species of the selected new variety, and the area of ​​a single plant is 30m 2 , each variety was randomly arranged, surrounded by 3 protective rows,...

Embodiment 3

[0071] A field comparison test method for fast-growing new varieties of forest trees, comprising the following steps:

[0072] Step 1. Breeding of test materials: Cultivate the control variety one year in advance as the rootstock, use the new variety as the scion, and carry out high grafting at a height of 1.3m on the rootstock. Nine plants were bred from each variety.

[0073] Step 2. Selection of experimental field: select 3 ecological experimental points, and the area of ​​each experimental point is determined according to the number of varieties to be tested. Requires flat terrain, convenient drainage and irrigation, high and uniform soil fertility.

[0074] Step 3, plot design: 3 plots, arranged in a single row, the size of the row spacing is determined according to the cultivation technical requirements of the target forest species of the selected new variety, and the area of ​​a single plant is 30m 2 , each variety was randomly arranged, surrounded by 3 protective row...

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Abstract

The invention provides a field comparative test method for new fast-growing forest tree varieties and an application thereof, belonging to the technical field of new plant variety breeding. The present invention uses grafted seedlings of varieties and controls as test materials, and plants them under the same site conditions, which completely eliminates errors caused by separate planting and uneven soil strength between varieties and controls. The method is simple and easy to operate, and is very suitable for the current fast-growing trees. Field trials of new varieties. The technology required by the invention is advanced, the method is simple, and it is easy to operate, so it has good practical application value.

Description

technical field [0001] The invention belongs to the technical field of new plant variety selection and breeding, and in particular relates to a field comparative test method for fast-growing new varieties of forest trees and an application thereof. Background technique [0002] The information disclosed in this background section is only intended to increase the understanding of the general background of the present invention, and is not necessarily taken as an acknowledgment or any form of suggestion that the information constitutes the prior art already known to those skilled in the art. [0003] Field comparison test is an important means of breeding new plant varieties. Compared with crops and annual herbaceous plants, forest trees are taller and have a longer growth cycle. Therefore, field comparison tests require a larger test area and a longer test period. The field test of new fast-growing tree varieties generally sets up 3-5 ecological test areas, each test area ado...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01H1/04A01G17/00A01C21/00
CPCA01C21/005A01G17/005A01H1/04
Inventor 秦光华于振旭宋玉民乔玉玲
Owner SHANDONG FOREST SCI RES INST
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