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LY/T 2652-2016: Technical regulation for conservation and propagation of wild plants with extremely small populations
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Technical regulation for conservation and propagation of wild plants with extremely small populations
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LY/T 2652-2016
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Basic data | Standard ID | LY/T 2652-2016 (LY/T2652-2016) | | Description (Translated English) | Technical regulation for conservation and propagation of wild plants with extremely small populations | | Sector / Industry | Forestry Industry Standard (Recommended) | | Classification of Chinese Standard | B60 | | Word Count Estimation | 9,949 | | Date of Issue | 2016-07-27 | | Date of Implementation | 2016-12-01 | | Quoted Standard | GB/T 6001; GB 7908; GB/T 14072-1993; LY/T 1000; LY/T 1683-2006 | | Regulation (derived from) | State Forestry Administration Announcement No.17 of 2016; Industry Standard Announcement No.16 of 2016 (No.204) | | Issuing agency(ies) | State Forestry Administration | | Summary | This standard specifies the endangered grading indicators, propagation techniques, principles and methods of protection of wild populations of very small populations. This standard applies to all kinds of wild plants in China. Protection of other rare and endangered plants can be referred to. | LY/T 2652-2016: Technical regulation for conservation and propagation of wild plants with extremely small populations
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Technical regulation for conservation and propagation of wild plants with extremely small populations
ICS 65.020.99
B60
People's Republic of China Forestry Industry Standard
Technical specification for protection and expansion of wild plants in very small populations
Released on.2016-07-27
Implementation of.2016-12-01
State Forestry Administration released
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard was proposed by the Chinese Academy of Forestry.
This standard is under the jurisdiction of the State Forestry Administration.
This standard was drafted. Institute of Forest Ecology, Environment and Protection, Chinese Academy of Forestry, College of Forestry and Horticulture, Hubei Institute for Nationalities.
The main drafters of this standard. Qi Runguo, Huang Jihong, Ai Xunru, Yao Lan, Ding Yi, Lu Xinghui.
Technical specification for protection and expansion of wild plants in very small populations
1 Scope
This standard regulates the endangered grade evaluation indicators, expansion techniques, and protection principles and methods for wild plants of very small populations.
This standard applies to all kinds of very small populations of wild plants in China. The protection of other rare and endangered plants can be referred to.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article.
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 6001 nursery technical regulations
GB 7908 forest tree seed quality classification
GB/T 14072-1993 Principles and methods for preservation of forest germplasm resources
LY/T 1000 container seedling technology
LY/T 1683-2006 China Wild Plants Threatened by Standards
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
Minimal population extremesmalpopulation
The distribution area is narrow or intermittently distributed, or has been subjected to stress by external factors for a long time, showing population degradation and continuous reduction in species.
The number of groups and individuals is extremely small, and the species of wild plants that are already extinct are already below the minimum survival population with stable survival limits.
3.2
Phenotype phenotype
The sum of traits exhibited by a genotype under specific conditions.
3.3
Population fitness
The relative probability of population survival and reproductive success.
3.4
Germplasm seedbank
Seeds collected or collected for the purpose of preserving germplasm resources and conducting scientific research.
3.5
In vitro preservation preservationinvitro
Storage of single cells, protoplasts, callus, suspension cells, somatic embryos, test-tube seedlings, and organ tissues such as roots, stems, and leaves
There are methods for achieving growth inhibition or growth-free conditions for preservation purposes.
3.6
Reintroduction
In order to rebuild a wild population, a population of several individuals of a species is re-released (introduced) until the species has not
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