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Method for improving phoebe bournei seed garden to increase grafting survival rate

A technology of survival rate and Minnan, applied in the field of improving Minnan seed gardens to increase grafting survival rate, can solve problems such as low survival rate and failure to achieve expected results.

Inactive Publication Date: 2017-06-13
庆元县实验林场
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the conditions at that time, the selection of excellent trees and the construction of seed orchards failed to achieve the expected results
[0006] At present, the construction of Nannan seed orchards generally adopts the method of planting rootstocks in mountain fields and grafting in mountain fields. The survival rate is generally 30%-45%. The survival rate is relatively low, which has become a bottleneck restricting the production and afforestation of Fujian Nan

Method used

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] The present embodiment provides a kind of method that improves Fujian Nan seed garden and improves grafting survival rate, comprises the steps:

[0023] 1) Planning and site preparation for Minnan Seed Garden:

[0024] Divide the Nannan seed orchard into several plots of 10-15 mu, prepare the ground horizontally in strips, with a distance of 3.5m between strips and a width of 2m. After the horizontal strips are opened, planting holes will be dug at fixed points with a distance of 3.5m. The size is 60cm×60cm×40cm. The hole is dug in the center of the belt surface, and the hole is dug out. At the same time, 0.5kg of calcium, magnesium, phosphorus and 7.5kg of organic fertilizer are applied to each hole as the base fertilizer, so as to prepare for the planting of clonal Fujian Nan seedlings after grafting.

[0025] 2) Clonal configuration: Arrange and plant the clones randomly in each plot in step 1), and make adjustments taking into account the principle that the ramets o...

Embodiment 2

[0035] The present embodiment provides a kind of method of improving Fujian Nan seed orchard to improve grafting survival rate, comprising the following steps:

[0036] 1) How to choose the location of Minnan seed orchard:

[0037] Choose a class II-III site with a flat terrain, convenient transportation, and sunshine, and concentrate contiguous forest land to build a Nannan seed garden. There are no Nannan forests around the seed garden, and the pollen isolation conditions are good.

[0038] 2) Planning and site preparation for Minnan Seed Garden:

[0039] According to the specific topography, topography, and site conditions of the seed orchard, it is divided into subdivisions. The area of ​​the subdivision is 10-15 mu. The main forest road and small road are set in the seed orchard, and the width of the main forest road is 2-2.5m. Open working trails along the slope and horizontal roads on cross slopes between the plots. The width of the pavement is 1.5m. After the plots are ...

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Abstract

The invention relates to the field of seedling planting, in particular to a method for improving a phoebe bournei seed garden to increase a grafting survival rate. The method includes the steps of firstly, performing planned soil preparation on the phoebe bournei seed garden; secondly, performing clone preparation; thirdly, performing stock cultivation till October of the current year; fourthly, grafting in a nursery field after the stock cultivation; fifthly, performing management after the grafting, to be more specific, cultivating the stock grafted in the fourth step in the nursery field until October of the next year, moving the stock out of the nursery field, removing nonwoven-fabric root control bags, and planting along with substrates. The method has the advantages that a traditional phoebe bournei grafting method generally plants the stock in a mountain field and grafts the stock in the mountain field; the method cultivates a robust grafting seedling reforested forest, the grafting survival rate of the phoebe bournei can be increased by more than 50% as compared with that of a mountain field grafting manner, and the seed garden preserving rate can reach more than 90% after one complementary planting.

Description

technical field [0001] The invention relates to the field of seedling planting, in particular to a method for improving the Nannan seed orchard and increasing the survival rate of grafting. Background technique [0002] Minnan (Latin scientific name: Phoebe bournei (Hemsl.) Yang) is commonly known as Nanmu; it is endemic to China and is a national second-class rare and endangered species. Phoebe lauraceae, Phoebe is a large evergreen tree with straight trunk and dense crown. It is not only a precious timber tree species, but also an excellent landscaping tree species. It can reach a height of 20 meters and a diameter of 2.5 meters. It is distributed in Fujian and Jiangxi, China , Zhejiang and Hunan, Sichuan and southeastern Guizhou, etc., with Fujian and Hunan being the most. [0003] Minnan wood is fragrant and durable, light yellow, with aroma, dense and tough material, not easy to warp and crack, easy to process, smooth beveled surface, beautiful texture, it is the first...

Claims

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Application Information

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IPC IPC(8): A01G1/06
CPCA01G2/30
Inventor 张东北周成敏吴小林周生财叶青
Owner 庆元县实验林场
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