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LY/T 2442-2015 English PDF

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LY/T 2442-2015: Technical regulations for seedlings of Magnolia sieboldii
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Basic data

Standard ID LY/T 2442-2015 (LY/T2442-2015)
Description (Translated English) Technical regulations for seedlings of Magnolia sieboldii
Sector / Industry Forestry Industry Standard (Recommended)
Classification of Chinese Standard B61
Classification of International Standard 65.020.20
Word Count Estimation 8,866
Date of Issue 2015-01-27
Date of Implementation 2015-05-01
Quoted Standard GB 2772; GB 6000; GB/T 6001
Regulation (derived from) State Forestry Administration Announcement 2015 No. 6: Industry Standard Filing Announcement 2015 No. 2 (Total number 182)
Issuing agency(ies) State Forestry Administration
Summary This Standard specifies the Magnolia nursery seed, nursery, planting, field management, seedling nursery, grading, testing methods, inspection rules, labeling, packaging and transport and other technical requirements. This Standard applies to Magnolia planting seedlings.

LY/T 2442-2015: Technical regulations for seedlings of Magnolia sieboldii

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Technical regulations for seedlings of Magnolia sieboldii ICS 65.020.20 B61 People's Republic of China forestry industry standards Day female Magnolia seedlings cultivation technical regulations Technical regulations forseledlings of Magnoliasie boldi 2015-01-27 released 2015-05-01 implementation State Forestry Administration released

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard proposed by the Jilin Provincial Forestry Department. This standard by the National Forest Seeds Standardization Technical Committee (SAC/TC115) centralized. This standard was drafted. Jilin Academy of Forestry, Jilin Agricultural University, Jilin Province seedling station, Shenyang Agricultural University. The main drafters of this standard. Lin Yumei, Yang Yizhi, Yao Lixian, Ren Jun, Zhang Hongyan, Wang Fuwei, Wen Xuan Ye, ren Xuan Bai, Zhou Yongbin, Wang Xiaona, Sun Wei, Mao He.

Introduction

Magnoliaceae (MagnoliasieboldiiK.Koch.) Magnoliaceae perennial tree, in the "Chinese Red Book" was listed as a country Home to focus on the protection of rare and endangered plants, rare and precious woody ornamental flowers Changbai Mountain. To protect the natural resources of Magnolia Wildness, regulate seedling production and market, improve the quality of nursery stock, and promote the natural beauty of Mulan Flower Industry Continued healthy development, specially formulated this standard. Day female Magnolia seedlings cultivation technical regulations

1 Scope

This standard specifies the day Magnolia nursery seedlings, nursery, sowing, field management, nursery stock, grading, testing methods, inspection rules, standard Knowledge, packaging and transportation and other technical requirements. This standard applies to the days of female Magnolia sowing seedlings.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this article Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB 2772 forest seed testing procedures GB 6000 main afforestation tree seedling quality grading GB/T 6001 nursery technical regulations

3 seeds

3.1 Seed Harvesting In the excellent stand in the selection of 15a ~ 30a good plants, to be mature in autumn seeds, polymer cracking, revealing with orange-red aril Seed when collecting seeds. 3.2 seed quality According to GB 2772 for clarity analysis and germination determination, the seed purity of not less than 90%, the seed germination rate of not less than 60%. 3.3 seed disinfection The collected fresh seeds into cold water soak 5d ~ 6d. Remove and rub to the orange leave the seed coat, control half dry, then 0.5% high Potassium manganate solution soak 2h, remove and rinse with water, spare. 3.4 seed germination Sterilized seeds and water content of 60% of the wet sand by the volume ratio of 1. 3 mixed evenly into the breathable woven bags in the outdoor High terrain, good drainage ditching layering. Pit depth ≤ 50cm. Pit bottom shop gravel 15cm ~ 20cm, and then into the knitted with seeds Bag, above the soil cover thickness 15cm ~ 30cm. Seeds were taken out about 10 days before sowing in the following year, spread on the sun at the outdoor leeward position, Spray water and keep the seeds moist. Cover the sun during the day and night, prompting embryo germination uniform. Seeds can be sown when one third of the seeds break up.

4 nursery

4.1 garden selection Should choose convenient transportation, easy to manage, flat or gentle slope, high fertility of slightly acidic to neutral sandy loam, loose breathable, aggregate knot

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