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A construction method and application of red cone juvenile picking nursery

A technology of ear picking nursery and red cone, which is applied in the field of forest tree breeding, can solve the problems of high-quality traits of difficult varieties, large seed differentiation, etc., and achieve the effects of strong physiological function, rapid growth, and strong new shoots

Active Publication Date: 2021-06-11
GUANGDONG ACAD OF FORESTRY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The ear-picking nursery is one of the important ways for the multiplication of improved varieties of forest trees. However, most of the existing red cone-picking nurseries use the seedlings as the mother plants. Due to the large differentiation between seeds, it is difficult to maximize the high-quality traits of improved varieties.

Method used

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  • A construction method and application of red cone juvenile picking nursery
  • A construction method and application of red cone juvenile picking nursery
  • A construction method and application of red cone juvenile picking nursery

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0063] Embodiment 1: the construction of red cone height juvenile picking nursery

[0064] A method for building a red cone larval ear garden, comprising the following steps:

[0065] (1) Selection of the location of the ear picking nursery

[0066] The establishment site of the ear picking nursery is in the back mountain base of the Guangdong Academy of Forestry Sciences, with flat terrain, good lighting conditions, sufficient water source, good ventilation and drainage, and the soil layer is deep, loose and fertile.

[0067] (2) Layout and site preparation of ear picking nursery

[0068] Deep plow and level the nursery, and install a drip irrigation system between every 2 rows; dig planting holes with a size of 80cm×80cm×60cm according to the spacing of 3m×3m, and pile the topsoil on both sides of the hole, so that when returning to the hole Put the surface soil back into the hole; mix the yellow core soil, peat soil, and pond mud according to the ratio of 40%: 30%: 30% by...

Embodiment 2

[0078] Example 2: Contrasting case effects between truncated and non-truncated

[0079] The present embodiment is basically the same as embodiment 1, and the difference is that in step (5), the present embodiment is different to the processing mode of the top of the grafted seedling of the clone; the specific operations are as follows:

[0080] Select 10 clones of Red Cone (the numbers are respectively: 2, 3, 5, 16, 21, 22, 26, 27, 29, 30), and take 3 clones grafted seedlings respectively for T1 truncation and T2 For the two treatments without truncating, the number and growth of juvenile buds were recorded after one month. The indicators used included the total number of buds, the average number of buds, the maximum number of buds per plant, and the distribution interval of the number of buds.

[0081] The results are shown in Table 1 below:

[0082] Table 1: Effect of truncation on germination

[0083]

[0084] It was found that, for the same clone, the treatment of tru...

Embodiment 3

[0085] Example 3: Comparative case effects of leather splicing, split splicing, and cut splicing

[0086] The present embodiment is basically the same as Example 1, and the difference is that in step (4), the rootstock of this embodiment is different from the grafting mode and the ground diameter of the scion; the specific operation is as follows:

[0087] Three methods of A1 skin grafting, A2 split grafting and A3 cutting grafting are adopted, rootstock diameters B1(0.8cm), B2(1.0cm), B3(1.5cm), B4(2.0cm), 4 thicknesses Treat 20 plants and repeat 3 times. Concrete processing method and grafted seedling survival rate result are shown in the following table 2 and Figure 7 shown.

[0088] Table 2: Effect of different grafting methods on survival rate

[0089]

[0090] The results showed that there were significant differences among different treatments. The rootstock with a ground diameter of 1.0 to 1.5 cm had the best effect when grafting red cones by the skin grafting m...

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Abstract

The invention discloses a construction method and application of a red cone seedling nursery. In the present invention, the scion seedlings are used as the rootstock and selected fine families as the source of the scion, and the scion is kept young through techniques such as skin grafting, high-strength truncation, bending, subcutaneous rooting, etc., which can not only rapidly multiply It also builds an ear garden of excellent clones, and can provide a large number of high-quality ear strips for subsequent production applications such as cuttings, grafting, and in vitro culture. The present invention provides highly juvenile explants for clonal propagation methods such as cutting and tissue culture, and has a high survival rate; it solves the current situation that the main roots of seedlings are developed, there are few fibrous roots, and the survival rate of afforestation is low; at the same time, it can also quickly solve the problem of red The phenomenon of cone fruiting and small years, the current situation that small-year seeds are difficult to meet the demand.

Description

technical field [0001] The invention belongs to the technical field of forest tree seed breeding, and in particular relates to a construction method and application of a red cone seedling nursery. Background technique [0002] Castanopsis hystrix A.DC, also known as Hongli, Chili, Limu, Castanopsis hystrix, Castanopsis hystrix A.DC, Castanopsis hystrix A.DC, is an evergreen tree of the Fagaceae Castanopsis hystrix genus. The tree is straight and tall. It can reach 30 meters, and its diameter at breast height is more than 1 meter. It is the dominant species of evergreen broad-leaved forests in southern subtropical and subtropical vegetation in my country. Red cones are naturally distributed in east longitude 95°20′~118°0′, north latitude 18°30′~25°0′, the main production areas are concentrated in Guangdong, Guangxi, southern Fujian, and its surrounding areas are distributed in southern Yunnan, southeastern Guizhou and Hunan , Jiangxi, Fujian, Hainan and other provinces in the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G2/30A01G17/00A01C23/04A01G24/28A01H4/00
CPCA01C23/04A01G17/005A01H4/00A01H4/008A01G2/30A01G24/28Y02P60/40Y02A40/22
Inventor 张卫华王裕霞潘文徐放杨会肖廖焕琴
Owner GUANGDONG ACAD OF FORESTRY
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