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GB/T 26421-2010 English PDF

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GB/T 26421-2010: Quality grading of Azadirachta indica seedling
Status: Obsolete
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Basic data

Standard ID GB/T 26421-2010 (GB/T26421-2010)
Description (Translated English) Quality grading of Azadirachta indica seedling
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard B61
Classification of International Standard 65.020.20
Word Count Estimation 8,843
Date of Issue 2011-01-14
Date of Implementation 2011-06-01
Quoted Standard GB 6000-1999; GB/T 6001-1985; LY/T 1000-1991
Regulation (derived from) National Standard Approval Announcement 2011 No.170
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary This standard specifies the definitions used Neem Neem planting seedlings, grading requirements, test methods and inspection rules. This standard applies to our Neem suitable area, also apply neem (Azadirachta indica A. Juss) and its variants Thai neem.

GB/T 26421-2010: Quality grading of Azadirachta indica seedling

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Quality grading of Azadirachta indica seedling ICS 65.020.20 B61 National Standards of People's Republic of China Neem seedling quality grading Issued on. 2011-01-14 2011-06-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

Appendix A of this standard is a normative appendix. This standard was proposed by the State Forestry Administration. This standard by the National Standardization Technical Committee of tree seeds. This standard by the Chinese Academy of Forestry Science Institute of Insect Resources is responsible for drafting. The main drafters of this standard. Zheng Yixing, Juan, Pengxing Min, Zhang Yanping. Neem seedling quality grading

1 Scope

This standard specifies the definitions used neem neem planting seedlings, grading requirements, test methods and inspection rules. This standard applies to our neem suitable area, but also to Neem (Azadirachtaindica A.Juss) and its variants Thai neem

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB 6000-1999 Seedlings for Forestation quality grading GB/T 6001-1985 Technical specification nursery LY/T 1000-1991 Container Seedling Technology

3 Terms and Definitions

The following terms and definitions apply to this standard. 3.1 Neem AzadirachtaindicaA.Juss. The origin of the South Asian subcontinent, is Meliaceae (Meliaceae) thermophilic drought-tolerant fast-growing multipurpose tree species, which is likely to produce efficient insecticide, bacteria Biological pesticides widely grown around the world, our country without natural distribution. 3.2 Seedling species nursey-stocktypes A breeding material and breeding methods, neem seedlings can be divided into the following categories, namely, sown seedlings, grafted seedlings and cuttings. 3.3 Seedling age seedlingage Age of seedlings. From seed, cuttings or grafting to Chupu actual growth of seedlings of age. To undergo an annual growth of 1-year seedlings. Seedling age It is a growth cycle as a seedling age units. Neem 1-0 represents 1-year-old without a transplant planting seedlings. 0.5 (2.5) -0 a rear neem in grafted rootstock biennial original seedbed cultivation of six months without a transplant grafted. 0.5 (0.5) -0 represented in the original seedbed cultivation of six months without a transplant Neem cutting seedlings. Note. Figures in brackets indicate grafted seedlings or cuttings root in the original seedbed age. 3.4 A group of seedlings asetofseedlings In the same nursery, with the same number of reproductive material, the use of the same age seedlings seedling cultivation technology, called a group of seedlings (referred seedlings batch). [GB 6000-1999, the definition 2.3] 3.5 Diameter basaldiameter Seedlings to the occasion in diameter, that is planting seedlings, transplanting Miao Miao dry soil marks at the base roughness; straight cuttings and seedlings germinating seedlings sprout at the base of the trunk Diameter; grafted above normal for the interface roughness at a diameter. [GB 6000-1999, the definition 2.4]

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