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LY/T 2785-2016: Technical regulation for seed propagation of Xanthoceras sorbifolia
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| LY/T 2785-2016 | English | 169 |
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Technical regulation for seed propagation of Xanthoceras sorbifolia
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LY/T 2785-2016
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Basic data | Standard ID | LY/T 2785-2016 (LY/T2785-2016) | | Description (Translated English) | Technical regulation for seed propagation of Xanthoceras sorbifolia �� | | Sector / Industry | Forestry Industry Standard (Recommended) | | Classification of Chinese Standard | B61 | | Classification of International Standard | 65.020.20 | | Word Count Estimation | 7,771 | | Date of Issue | 2016-12-21 | | Date of Implementation | 2017-03-01 | | Quoted Standard | GB/T 6001; GB 7908; GB/T 10016 | | Regulation (derived from) | State Forestry Administration Notice No.16 of 2016 | | Issuing agency(ies) | State Forestry Administration | | Summary | This standard stipulates the technical requirements of Xanthoceras sorbifolia sowing seedlings for seed collection and processing, soil preparation, sowing, seedling management, transplant seedlings, transplant seedling management, nursery stock and nursery archives. This standard is applicable to the cultivation of Xanthoceras sorbifolia seedlings in arid and semi-arid regions in China. | LY/T 2785-2016: Technical regulation for seed propagation of Xanthoceras sorbifolia ---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.
Technical regulation for seed propagation of Xanthoceras sorbifolia
ICS 65.020.20
B61
People's Republic of China Forestry Industry Standard
Technical regulations for seeding and seedling cultivation of Xanthoceras
Released on.2016-12-21
2017-03-01 implementation
State Forestry Administration released
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard was proposed by the State Forestry Administration.
This standard is under the jurisdiction of the National Forest Seed Standardization Technical Committee (SAC/TC115).
This standard was drafted. Gansu Provincial Academy of Forestry.
The main drafters of this standard. Chai Chunshan, Lu Juan, Yan Jianli, Cai Guojun, Wang Ting, Mo Baoru, Wei Qiang, Xue Rui, Ling Lei.
Technical regulations for seeding and seedling cultivation of Xanthoceras
1 Scope
This standard specifies the seed collection and processing of Xanthocerassorbifolia sowing seedlings, soil preparation, sowing, seedling management, transplantation
Technical requirements for nursery, transplanted seedling management, seedling emergence and nursery files.
This standard is applicable to the cultivation of Wenguo fruit sowing seedlings in arid and semi-arid areas of China.
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 10016 forest seed storage
3 Seed collection and processing
3.1 Seed collection
Seed collection should be carried out on a tree that is robust and disease-free. The seedling tree should be 8 years or older. Seed collection time
Depending on the ripening time of the seed, generally from July to August, when the fruit peel changes from smooth to rough, the whole plant has more than 30% fruit peel naturally.
Harvested when cracked.
3.2 Seed processing
After harvesting, put the fruits in a cool and dry place, stack them for 3d~5d, stack thickness should not be more than 20cm, flip twice or three times a day, wait
After the fruit is dehydrated and cracked, the net of the peel is removed. The seed water content after the seed is reduced to about 12% for storage, and the seed storage is in accordance with
GB/T 10016.
3.3 Quality requirements
Seed quality should meet the requirements of GB 7908.
3.4 Seed germination
Seeding in autumn, seed should not be germinated. Spring sowing seedlings need to be germinated, and low-temperature mixed sand stratification and water immersion can be used.
Bud method. Low-temperature mixed sand layer germination is carried out according to GB/T 6001. When immersing in germination, first soak it in hot water of 70 ° C ~ 80 ° C for 30 min~
60min, soak for 1h~2h with 2% alkali water, during which the seeds are stirred vigorously to remove the waxy layer, then use 40°C~50°C
Soak the seeds in warm water for 2d~3d, remove them into sacks or baskets, turn them once or twice a day, rinse with warm water for 2 times~3 times, after 3d~4d
sowing.
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