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A method for promoting germination by cuttings of Simao pine cuttings more than 3 years old

A technology of Simao pine and stalks, which is applied to the field of sprouting sprouting of 3-year-old Simao pine cuttings with stalks, can solve the problems of prolonged stalk production cycle, short stalk production cycle, high stalk output, etc., and improves the use of improved varieties. Efficiency, the effect of promoting mass germination and cutting quality, shortening harvest time

Active Publication Date: 2022-03-29
YUNNAN ACAD OF FORESTRY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there are relevant literature reports on promoting the germination of Simao pine spikes, but they are all aimed at the newly established 1-2 year-old ear picking gardens, and research has been carried out from the aspects of planting density, pruning methods, fertilization types, spraying chemicals, etc. , but generally speaking, in the first 1-2 years of newly-built ear-picking gardens, water and fertilizer management is strengthened in the ear-picking gardens, the output of ear cuttings is relatively large, and the production cycle of ear cuttings is short
And after the third year, it will drop obviously, and the production cycle of spikes will be extended.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A method for promoting the germination of ear strips for cuttings of Simao pine over 3 years old, by pruning the ear-picking mother tree in the ear-picking garden that has been used continuously for more than 3 years, and using different hormone concentrations and different fertilization methods to promote ear strips germination, including the following step:

[0027] Step 1: Nursery Arrangement

[0028] In September, the weeds in the nursery were removed, and the soil was lightly loosened within the crown of the 3-year-old or above, preferably 4-year-old Simao pine mother tree to a depth of 10cm, and thoroughly watered after loosening the soil; at the same time, the yellow crusty puffball powder was pressed 0.5g / L is formulated into an aqueous solution and irrigated on the roots;

[0029] Step 2: Pruning the mother tree

[0030] After the nursery is loosened, the ear-picking nursery that has been planted for 4 years is pruned for the ear-picking mother tree, and the ...

Embodiment 2

[0037] Comparative Test

[0038] In this example, the positive effect obtained by the present invention is verified by performing a water spray control test on the hormone treatment in step 3.

[0039] This embodiment will be divided into an experimental group and a control group, wherein, the experimental group is carried out according to the operation of Example 1, and the difference between the control group and the experimental group is that the spraying hormone in step 3 is replaced by water spraying treatment.

[0040] It can be seen from the test results that from the start of spraying in step 3 to 40 days, the latent buds at the base of the pine needles in the experimental group can germinate in large quantities, and the single plant can reach 70-80 buds at a time, while in the control experiment, the single plant germinated with water spraying 0-80. 17.

[0041] It can be seen that the invention can well solve the fast and large number of stalks for germination and c...

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PUM

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Abstract

The invention discloses a method for promoting the germination of cuttings of Simao pine cuttages over 3 years old. The method promotes the germination of spikelets. The invention overcomes the problem that after the traditional Simao pine ear picking orchard is established and used for 3-4 years, the aged ear picking orchard needs to be discarded and rebuilt due to the decrease in germination and quality of the ear bar. The service life and use efficiency of the ear-picking garden are extended, thereby increasing the service life of the ear-picking garden and improving the use efficiency of improved varieties; promoting a large number of ear-picking mother trees to germinate and the quality of the ear, and shortening the harvest time of the ear.

Description

technical field [0001] The invention relates to the technical field of plant vegetative propagation, in particular to a method for promoting sprouting of cuttings of Simao pine over 3 years. Background technique [0002] Simao pine (Pinus kesiya var.langbianensis) is an important tree species with both wood and resin. It has the characteristics of fast growth, high quality, high resin yield and strong ecological adaptability. Simao pine improved varieties or strong seedlings are the important material basis for obtaining Simao pine with high turpentine yield and rapid wood growth. [0003] At present, there is a Simao pine fast-growing seed garden, but the high-yielding Simao pine has not yet established a seed garden. The supply of Simao pine seeds is still far from meeting the market demand, which is the bottleneck of the development of the Simao pine industrial raw material forest industry. The application of improved pine seeds is an important means and approach for the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G17/00A01G2/10A01G7/06
CPCA01G17/005A01G2/10A01G7/06
Inventor 孟梦付玉嫔李思广陈伟
Owner YUNNAN ACAD OF FORESTRY