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Implantation technical regulations for tree seedling of walnut varieties (Juglans regia L.)
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Basic data | Standard ID | LY/T 1883-2010 (LY/T1883-2010) | | Description (Translated English) | Implantation technical regulations for tree seedling of walnut varieties (Juglans regia L.) | | Sector / Industry | Forestry Industry Standard (Recommended) | | Classification of Chinese Standard | B61 | | Classification of International Standard | 65.020.20 | | Word Count Estimation | 6,646 | | Date of Issue | 2010-02-09 | | Date of Implementation | 2010-06-01 | | Quoted Standard | GB 6000-1999 | | Regulation (derived from) | Industry standard filing Notice 2010 No. 5 (No. 125 overall) | | Issuing agency(ies) | State Forestry Administration | | Summary | This standard specifies the walnut seedling nursery selection and planning techniques, rootstock breeding techniques, seedling Chupu Grafting techniques and technologies. This standard applies to Walnut Branch (Juglandaceae), Walnut (Ju u Deletion xl a2-like s2) plant walnuts. | LY/T 1883-2010: Implantation technical regulations for tree seedling of walnut varieties (Juglans regia L.)
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Implantation technical regulations for tree seedling of walnut varieties (Juglans regia L.)
ICS 65.020.20
B61
People's Republic of China Forestry Industry Standard
Technical regulations for seedlings of walnut varieties
Released on.2010-02-09
2010-06-01 implementation
State Forestry Administration released
Foreword
This standard was proposed by the Forestry Research Institute of the Chinese Academy of Forestry.
This standard is under the jurisdiction of the State Forestry Administration.
This standard was drafted. Forestry Research Institute of Chinese Academy of Forestry.
The main drafters of this standard. Zhang Junpei, Ji Dong, Dong Ningguang, Qi Jing.
Technical regulations for seedlings of walnut varieties
1 Scope
This standard stipulates the selection and planning techniques of nursery land for seedling cultivation of walnut varieties, the techniques of rootstock cultivation, the techniques of grafting seedlings and the emergence of seedlings.
technology.
2 Normative references
The terms in the following documents become the terms of this standard by reference to this standard. All dated references, followed by all
Modifications (not including errata content) or revisions do not apply to this standard, however, parties to agreements based on this standard are encouraged to study
Is it possible to use the latest version of these files? For undated references, the latest edition applies to this standard.
GB 6000-1999 Quality classification of main afforestation tree seedlings
3 Nursery land selection and planning
3.1 Nursery selection
Choose convenient transportation, leeward sun, flat terrain, deep soil layer (≥1m), good irrigation and drainage, low groundwater level (≥2m),
Loam or sandy loam land with a pH of 6.5 to 8.0.
3.2 Nursery planning and operation
3.2.1 Zoning design
Design working roads, drainage and ditches according to the size of the area, topography and topography, and draw a map of the operation of the nursery area.
3.2.2 Deep down
Deeply turn (about 30cm) 1 time before entering the winter, picking up debris, stones and so on.
3.2.3 ridges
The operation 畦 generally has a length of 10m to 15m, a width of 2m to 3m, and a ridge height and a ridge width of 25cm.
3.2.4 Fertilization
When the land is repaired, the base fertilizer is applied, and the farmer's fertilizer is fully matured..2000kg/666.7m2～3000kg/666.7m2, compound fertilizer (such as urea)
Or diammonium phosphate) 40kg/666.7m2 ~ 50kg/666.7m2 is suitable.
3.2.5 Soil disinfection
When preparing the soil, use the thiophanate or mancozeb or carbendazim to prepare the poisonous soil for spraying or spraying.
4 rootstock cultivation
4.1 Seed preparation
Collecting seeds with full kernels, uniform size, no pests, no mold, and full maturity from the robust mother tree, can not be baked or bleached
White, can not be used to grow seedlings every other year.
4.2 Seed treatment
4.2.1 Low temperature stratified sand
Seeds were immersed in fresh water for 3 days before the soil was frozen. Water was changed every day, and then buried in sand pits. The temperature of the layer was generally maintained.
0 ° C ~ 5 ° C, keep moist, avoid water. The sand storage time is 60d to 90d, and the seed germination is slightly white.
4.2.2 Water soaking
Put the seeds into sacks or sealed braids, all immersed in a river or pool, soak for 7 days, take enough water, remove them, and dry them a little.
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