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Method for improving grafting survival rate of improved fokienia hodginsii seed garden

A survival rate and seed technology, which is applied in the field of improving Fujian cypress seed orchard to increase grafting survival rate, can solve problems such as low survival rate and failure to achieve expected results

Active Publication Date: 2014-09-03
FUJIAN ACAD OF FORESTRY
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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
[0005] At present, the construction of Fujian cypress seed orchards generally adopts the method of planting rootstocks in the mountain field and grafting in the mountain field. The survival rate is generally 40%-45%.

Method used

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Effect test

Embodiment 1

[0021] The present embodiment provides a kind of method that improves Fujian cypress seed orchard and improves grafting survival rate, comprises the steps:

[0022] 1) Planning and preparation of Fujian Cypress Seed Garden:

[0023] Divide the Fujian cypress seed garden into several small areas of 10 to 15 mu, prepare the ground in horizontal strips, with a distance of 4m between strips and a width of 1.5m. After the horizontal strips are opened, planting holes are dug at fixed points with a distance of 4m and the specifications of the holes. It is 40cm × 40cm × 30cm, and the hole is dug in the center of the belt surface, and the hole is dug, and at the same time, 0.5kg of calcium, magnesium and phosphorus is applied to each hole as a base fertilizer, in order to plant Fujian cypress seedlings;

[0024] 2) Clonal configuration:

[0025] The clones are randomly arranged and planted in each plot in step 1, while taking into account the principle that the ramets of the same clon...

Embodiment 2

[0037] The present embodiment provides a method for improving the Fujian cypress seed orchard to increase the survival rate of grafting, comprising the following steps:

[0038] 1) How to choose the location of Fujian cypress seed orchard:

[0039] Choose Ⅱ-Ⅲ class sites with flat terrain, convenient transportation, and sunshine, and build Fujian cypress seed gardens in contiguous woodlands. There are no Fujian cypress trees around the seed gardens, and the pollen isolation conditions are good;

[0040] 2) Fujian cypress seed garden planning and site preparation:

[0041] 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 trails along the slope and horizontal roads on cross slopes between the plots. The width of the road surface is 1.5m. The di...

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Abstract

The invention relates to the field of nursery stock planting, in particular to a method for improving the grafting survival rate of an improved fokienia hodginsii seed garden. The method includes the following steps: (1) conducting planning and soil preparation on the fokienia hodginsii seed garden, (2) conducting clone configuration, (3) conducting stock cultivation, (4) conducting grafting in a nursery garden from March to April in the next year after stock cultivation is carried out, and (5) conducting after-grafting management, wherein the grafted stocks in the step (4) are cultivated and can be moved out of the nursery garden from February to March in the next year after grafting is carried out, nutrition cups are removed, and then planting with soil is carried out. The method has the advantages that the mode that stock planting and grafting are carried out on mountains is generally adopted in a prior fokienia hodginsii grafting method. By means of the method for improving the grafting survival rate of the improved fokienia hodginsii seed garden, robust grafting nursery stock reforested trees are firstly cultivated in the field of the nursery garden; compared with a mountain grafting mode, the grafting survival rate of the fokienia hodginsii nursery stocks can be improved by more than 40%, and the preserving rate of the seed garden can be higher than 95% after complementary planting is carried out one time.

Description

technical field [0001] The invention relates to the field of seedling planting, in particular to a method for improving the Fujian cypress seed orchard and increasing the survival rate of grafting. Background technique [0002] Fujian cypress (Latin scientific name: Fokienia hodginsii (Dunn) Henry et Thomas) Cupressaceae evergreen tree, distributed in southwest China, south to east and northern Vietnam. China's Fujian, Jiangxi, Zhejiang and southern Hunan, Guangdong and northern Guangxi, Sichuan and southeastern Guizhou, etc., with the most in central Fujian. Fujian cypress is light in wood, slightly soft in texture, straight in texture, easy to process, and stable in material. It is a good material for construction, furniture, joinery and carving. It has a beautiful tree shape and straight trunk, and is an excellent landscaping tree species. [0003] Studies have shown that Fujian cypress is not as tall as Chinese fir in terms of forest site conditions, grows faster, is no...

Claims

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Application Information

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IPC IPC(8): A01G9/10A01G1/06
Inventor 郑仁华苏顺德吴清金周宗哲陈元品凌云天张子文杨宗武
Owner FUJIAN ACAD OF FORESTRY
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