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Comprehensive evaluation method for novel stain of sugarcane

A technology for comprehensive evaluation and new strains, applied in botany equipment and methods, plant products, plant genetic improvement, etc., can solve problems such as insufficient weight coefficient formulation

Inactive Publication Date: 2009-08-05
SUGARCANE RES INST OF YUNNAN ACADEMY OF AGRI SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, there are still many deficiencies, including the selection of trait indicators of the test strains, the classification of evaluation indicators, and the formulation of weight coefficients.

Method used

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  • Comprehensive evaluation method for novel stain of sugarcane
  • Comprehensive evaluation method for novel stain of sugarcane
  • Comprehensive evaluation method for novel stain of sugarcane

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0015] 1. List the average values ​​of the 12 traits of the sugarcane lines participating in the comprehensive evaluation in Table 1.

[0016] 2. Dimensionless processing

[0017] The raw data of each trait has different dimensions, that is, the measurement unit of each trait index is different, such as the unit of stem diameter is centimeter (cm), and the unit of sugarcane sugar content is percentage (%). Therefore, it is difficult to directly compare multiple traits. Therefore, it is necessary to carry out dimensionless processing on the original data, so that each trait index has the same measurement method. Positive indicators for emergence rate, perennial root germination rate, stem diameter, effective stem per mu, sugar cane content, gravity purity and juice yield rate; neutral indicators for tillering rate, plant height and fiber; reducing sugar content and smut Perform dimensionless calculations for negative indices.

[0018] The dimensionless processing formula is ...

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Abstract

The invention relates to a comprehensive assessment system for a new sugar cane strain. In the sugar material sugar cane variety comparative test stage, 12 character assessment indexes are classified based on a DTOPSIS method and corresponding weight coefficients for the indexes are established after the test data is acquired. The 12 character indexes of the strain to be tested are divided into positive indexes, neutral indexes and negative indexes; and the weight coefficients for the indexes are established.

Description

Technical field: [0001] The invention relates to the technical field of new sugarcane strain breeding, in particular to a comprehensive evaluation method for new sugarcane strains. Background technique: [0002] The comprehensive evaluation of sugarcane strains belongs to the field of multi-objective decision-making. Whether a strain is good or not is determined by its multiple traits. There are mainly agronomic traits and technological traits. Among them, agronomic traits include: emergence rate, tillering rate, perennial root germination rate, plant height, stem diameter, effective stem, etc.; technological traits include: juice yield, fiber content, cane sugar content, gravity purity , reducing sugar, etc. Determining whether a strain is good or not cannot simply depend on a single trait. As an excellent new variety of sugar cane, it should not only have the characteristics of high yield and high sugar content, but also have excellent characteristics suitable for farmer...

Claims

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Application Information

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IPC IPC(8): A01H1/04A01H5/00
Inventor 赵培方陈学宽刘家勇尹兴祥赵俊吴才文侯朝祥崔杰夏红明杨昆
Owner SUGARCANE RES INST OF YUNNAN ACADEMY OF AGRI SCI
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