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Schima superba sapling grafting method suitable for seed orchard construction

A technology of lotus and seeds is applied in the field of vegetative propagation of forest trees to achieve the effect of being beneficial to grafting survival and early flowering and fruiting period.

Inactive Publication Date: 2018-11-02
JIANGXI ACAD OF FORESTRY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Forest tree grafting technology is widely used in the collection and preservation of tree genetic resources, the construction of clonal seed gardens, canopy dwarfing, early flowering and fruiting, enhancement of tree species adaptability, rejuvenation and rejuvenation of materials, and multiplication of improved species. However, different tree species grafting methods have certain limitations. The difference mainly shows the affinity between scion and rootstock

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0040] Embodiment: a kind of Schima superba sapling grafting method that is applicable to seed orchard construction, method step is as follows,

[0041] (1) fixed anvil

[0042] Choose a relatively flat, deep and fertile forest plantation field as the construction base for the Schima superba seed garden; after the seed garden field is selected, take strips to prepare the site, dig planting holes, the size of the holes is 40cm×40cm×30cm, and use 1 Afforestation of annual Schima superba seedlings with fixed stock, row spacing 4m×5m.

[0043] (2) Prepare the scion

[0044] a. Excellent tree selection

[0045] Select excellent trees from the natural forests of Schima superba with an age of more than 20 years; adopt the comparison method of 5 dominant trees, and comprehensively evaluate the volume, shape and quality, and growth potential of candidate Schima superba. The distance is more than 100m.

[0046] b. Scion collection

[0047] Select the lignified fruiting branches in ...

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Abstract

The invention discloses a schima superba sapling grafting method suitable for seed orchard construction. The method includes the following specific steps of rootstock selection; scion preparation including step a of sapling selection, step b of scion collection and step c of scion preparation; grafting including step a of rootstock selection, step b of grafting time and step c of grafting method;post-grafting management including step a of sprouting tiller removal, step b of unbundling, step c of water and fertilizer management and step d of survival rate survey. Compared with the prior art,the method achieves the effect that the optimal grafting time and grafting method of schima superb are achieved, the scion is cut from an at least 20-year-old schima superb sapling, the sprouting tiller is removed timely after grafting, and a binding belt is removed timely after survival, so that the grafting method is favorable for grafting survival and capable of achieving early flowering and fruiting period of the schima superb, and is a good method for the seed orchard construction of the schima superb.

Description

technical field [0001] The invention belongs to the technical field of asexual propagation of forest trees, and relates to a method for breeding Schima superba, in particular to a method for grafting Schima superba saplings suitable for the construction of seed orchards. Background technique [0002] Schima superba Gardn. et Champ. is an evergreen large tree belonging to the family Theaceae (Theaceae) and Schima Reinw. It is the main construction species of subtropical evergreen broad-leaved forests in my country and is widely distributed in various provinces and regions in southern China. Vertically distributed in low mountain and hilly areas below 1500m above sea level. Muhe likes a warm and humid climate, grows fast, can withstand short-term low temperatures of -10°C, and can also resist hot weather above 39°C, and is resistant to drought and barrenness; Mixed with Castanopsis chinensis, Camphor, Camellia oleifera, etc. Schima superba grows fast, has strong germination, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G2/30A01G17/00
CPCA01G2/30A01G17/005
Inventor 罗坤水王丽艳林洪周晨金洪平陈康邱全生周志春
Owner JIANGXI ACAD OF FORESTRY
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