CN112400503A

CN112400503A - Shallow-cutting high-cultivation method for large trees

Info

Publication number: CN112400503A
Application number: CN202011326210.1A
Authority: CN
Inventors: 范鹤鸣
Original assignee: Hubei Sanhua Ecological Agricultural Technology Development Co ltd
Current assignee: Hubei Sanhua Ecological Agricultural Technology Development Co ltd
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2021-02-26

Abstract

The invention relates to a shallow-cutting high-cultivation method for large trees, which belongs to the technical field of tree cutting propagation, is different from the traditional cutting technology, can cut large trees and dry branches by cutting the branches and trunks of trees through the shallow-cutting high-cultivation method, can cut the large trees and the dry branches of rotten trees and can cut the large trees or the dry branches of the rotten trees, is suitable for rescuing ancient famous trees or rare tree species which fall over, break or collapse due to natural disasters, and has important significance in the field of ancient famous tree protection.

Description

Shallow-cutting high-cultivation method for large trees

Technical Field

The invention belongs to the technical field of tree cuttage, and particularly relates to a shallow-cutting high-cultivation method for large trees.

Background

Cuttage is a widely used vegetative propagation cultivation method for plants, and tissues such as stems, branches, roots, leaves and the like are cut from the existing plants and cultivated by a proper means, so that the plants can become independent new plants. The plants which can be used for cuttage are various in types and small in size, so that the material source is very wide, and the corresponding plants can be propagated in large quantities by adopting a reasonable cultivation method.

Most of the existing rare tree species and ancient famous trees have the age of more than one hundred years, most of the ancient famous trees have the problems of rotten trunks and the like, are particularly easy to suffer from disasters such as ant insects, wind and rain, lightning stroke, fire burn and the like, cause overall or partial collapse and fracture, and at the moment, asexual propagation needs to be carried out through means such as cuttage and the like so as to furthest preserve the tree species. However, the traditional cutting method can only cultivate the cutting slips with smaller body types, and is difficult to apply to the large cutting slips made of the lodging tree branches. The tree branches have large cuttings, less nutrient accumulation and poor regeneration capability, and the cutting is difficult to succeed by the existing cutting technology. In order to rescue and copy, the ancient and famous trees and rare species which are partially collapsed and broken due to various disasters need to be improved in the conventional cuttage mode.

Disclosure of Invention

The purpose of the invention is as follows: aiming at the defects of the existing cuttage method, a shallow-cutting high-cultivation method for large trees is provided.

The technical scheme adopted by the invention for solving the technical problems is as follows:

the shallow-cutting high-cultivation method for the large trees comprises the following steps:

(1) filling gravel, coarse sand and river sand with a certain thickness in the open field cuttage bed from bottom to top in sequence to prepare a special cuttage bed;

(2) soaking the cutting slips in clear water for 8-24 hours for replenishing water, and dipping the base wounds of the cutting slips quickly by using a oxytocin solution during cutting;

(3) during cutting, inserting a steel pipe into the cutting bed, wherein the steel pipe penetrates into the gravel layer to be fixed, the cutting is inserted into the river sand layer of the cutting bed for 15-20cm, and the cutting and the steel pipe are firmly bound by a rope;

(4) after cutting, a wide and thick film belt is used to tightly wrap plain sand on the cutting slips to wrap most of the cutting slips;

(5) regularly sprinkling water in the process of cutting cultivation, paying attention to shading, timely erasing too dense weak buds when the cutting sprouts, reserving a proper amount of strong buds, and spraying a urea solution to the leaf surfaces of the cutting branches to apply fertilizer outside the roots when the cutting branches grow to 10cm to promote growth.

The thickness of the broken stones and the coarse sand in the slotting machine is 15-30cm, and the thickness of the river sand is 35-45 cm.

The cutting is a large tree branch which is broken or fallen to the ground, and the length of the cutting is 60-170 cm.

The oxytocin solution is an indolebutyric acid solution with 500 ppm.

The number of the steel pipes is 1-2.

The width of the wide and thick film tape in the step (4) is 20-30cm, the thickness of the packed plain sand is 1-3cm, and the wrapping area of the cutting slips is more than 80%.

The shading means in the step (5) is to arrange a shading net 1-1.5m above the cutting, use 70% shading net in the early stage of cutting, use 50% shading net in the later stage, and remove the shading net in autumn and winter.

And (5) in the step (5), the concentration of the urea solution for spraying the fertilizer outside the roots by the blades is 0.8%.

The invention has the beneficial effects that: the method for shallow-cutting and high-cultivating the large trees is flexible to use, broken trunks and branches can be reasonably selected according to factors such as the length, the size, the bending degree and the decay degree of the broken trunks and branches, and the material selection can be flexibly mastered according to the actual situation; the cuttage time is not limited, because the trunk and the branches only expose few parts during cuttage, the volatile moisture is less, cuttage can be carried out at any time and any place, and the cuttage is not limited by seasons. The method can also carry out reasonable decomposition according to the size, length and shape of the cutting branches, one large ancient tree with famous trees and rare special types can be cut into dozens of or even hundreds of new ancient trees, and the survival rate reaches over 90 percent. By utilizing the shallow-cutting high-cultivation method for the large trees, 6 branches which are cut off from 1200-year-old gingkoes and are struck by lightning are successfully cut and survive.

Drawings

FIG. 1 is a schematic view of a large tree cutting;

FIG. 2 is a schematic diagram of shallow-cutting high-cultivation;

FIG. 3 is a state diagram of successful tree cuttage;

in the figure: 1-cutting the ear; 2-a steel pipe; 3-sudoxa; 4-wide and thick film belt; 5-river sand; 6-coarse sand; 7-breaking stone; 8-edge of the cutting bed.

Detailed Description

The present invention is further illustrated by the following specific examples.

Examples

As shown in the figure 1-3, the method for shallow-cutting and high-culturing the large trees comprises the following steps:

(1) 20cm thick broken stone 7, coarse sand 6 and 40cm thick river sand 5 are filled in the open field cuttage bed from bottom to top in sequence to prepare a multilayer material composite cuttage bed, and meanwhile, no fertilizer is required to be added in the cuttage bed, so that the fragile new buds are prevented from being damaged.

(2) Selecting branches and trunks of an ancient ginkgo tree which are 170cm long, 30cm wide and 3cm thick and are split by lightning strike as a cutting shoot 1, and soaking the branches and trunks of the ancient ginkgo tree in clear water for 8-24 hours for supplementing water before cutting because the branches and trunks are separated from the tree body for a long time and the water loss is more, and soaking the branches and trunks of the ancient ginkgo tree in an indolebutyric acid solution with the concentration of 500ppm of a rooting promoter to quickly dip the base part wound of the cutting shoot 1;

(3) during cutting, the steel pipe 2 is inserted into the cutting bed, the steel pipe 2 is inserted into the 7 layers of the broken stones for fixation, the ancient ginkgo cutting slips 1 are inserted into the river sand in the cutting bed for 20cm, the cutting slips and the steel pipe are bound together by a rope for firm fixation, and the bottom of each cutting slip 1 is kept to be buried in the river sand.

(4) And (3) after cuttage, tightly attaching a 25cm wide and thick film belt 4 to the periphery of the cutting 1 to fill plain sand 3, wherein the thickness of the filled plain sand 3 is 3cm, so that the plain sand 3 and the film belt 4 wrap more than 80% of the area of the cutting, and only the top of the cutting is left to be exposed.

(5) Regular watering needs to be paid attention to in the cultivation process of the cutting 1, a semi-automatic electronic leaf watering device is adopted during watering, and tap water pipelines are used for pressure spraying, so that the method is economical and safe; during cuttage, attention needs to be paid to shading, a shading net with the concentration of 70% is used in the early stage of cuttage, a shading net with the concentration of 50% is used in the later stage, the shading net can be detached in autumn, and the cutting shoots are guaranteed to be properly illuminated; when the cutting shoots germinate, new buds growing densely on the branches need to be removed in time, partial plump tender buds are reserved according to the situation and are used for forming the growing branches conveniently, when the cutting shoots 1 grow to be 10cm long, urea solution with the concentration of 0.8% can be used for spraying and fertilizing the leaf surfaces of the cutting shoots to promote the growth of new branches of the cutting shoots 1, the cutting shoots 1 are continuously trimmed in the subsequent cultivation process, the steel pipes are removed in the spring of the next year, and the rooted plants are transplanted.

According to the shallow-cutting high-cultivation method for the large trees, the large tree cutting slips are high-cultivated by using the wide and thick film with the coated vegetable sand, the exposed area of the cutting slips is small, water volatilization is reduced, meanwhile, the plant cell division and rooting are promoted by using the plant growth hormone, and finally, the cutting survival of the large tree cutting slips is realized. The large ancient trees and rare trees cultivated by the cuttage method not only can save and continue the ancient trees and rare trees, but also can multiply increase the number of individual plants, and has important significance for protecting, saving and continuing some ancient trees and rare trees with historical values.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. A shallow-cutting high-cultivation method for large trees is characterized by comprising the following steps: the method comprises the following steps:

(1) and filling gravel, coarse sand and river sand with certain thickness in the open field cuttage bed from bottom to top in sequence to prepare the special cuttage bed.

(2) And (3) soaking the cutting slips in clear water for 8-24 hours for replenishing water, and dipping the base wounds of the cutting slips with a oxytocin solution before cutting.

(3) During cutting, inserting the steel pipe into the cutting bed, inserting the cutting slips into the river sand layer of the cutting bed for 15-20cm, and firmly binding the cutting slips and the steel pipe by using a rope.

(4) And (3) after cutting, tightly wrapping the cutting slips with plain sand by using a wide and thick film belt to wrap most of the cutting slips.

(5) Regularly sprinkling water in the process of cutting cultivation, paying attention to shading, timely erasing too dense weak buds when the cutting sprouts, reserving a proper amount of strong buds, and spraying urea solution on the leaf surfaces of cutting branches when the cutting branches grow to 10cm long to perform fertilizer application outside roots to promote growth.

2. The shallow-cutting high-cultivation method for large trees according to claim 1, which is characterized in that: the thickness of the broken stones and the coarse sand in the slotting machine is 15-30cm, and the thickness of the river sand is 35-45 cm.

3. The shallow-cutting high-cultivation method for large trees according to claim 1, which is characterized in that: the cutting is a large tree branch which is broken or fallen to the ground, and the length of the cutting is 60-170 cm.

4. The shallow-cutting high-cultivation method for large trees according to claim 1, which is characterized in that: the oxytocin solution is preferably a 500ppm solution of indolebutyric acid.

5. The shallow-cutting high-cultivation method for large trees according to claim 1, which is characterized in that: the number of the steel pipes is 1-2.

6. The shallow-cutting high-cultivation method for large trees according to claim 1, which is characterized in that: the width of the wide and thick film tape in the step (4) is 20-30cm, the thickness of the packed plain sand is 1-3cm, and the wrapping area of the cutting slips is more than 80%.

7. The shallow-cutting high-cultivation method for large trees according to claim 1, which is characterized in that: the shading means in the step (5) is to arrange a shading net 1-1.5m above the cutting, use 70% shading net in the early stage of cutting, use 50% shading net in the later stage, and remove the shading net in autumn.

8. The shallow-cutting high-cultivation method for large trees according to claim 1, which is characterized in that: the concentration of the urea solution in the step (5) is 0.8%.