Grafting protection device

Abstract

The utility model discloses a kind of grafting protection devices, including protective tube and annular bottom cover, protective tube is surrounded in scion and stock union;Annular bottom cover is buckled on stock and makes the brim of annular bottom cover is set in the bottom of protective tube, for the moisturizing filler between protective tube and stock.This utility model not only can play mechanical protection function, but also can regulate grafting microenvironment, effectively reduce wind breakage harm, improve the survival rate and preservation rate of fruit tree branch grafting.

Description

Technical Field

[0001] This utility model relates to the field of grafting tools, and more specifically to a grafting protection device. Background Technology

[0002] Fruit tree grafting can maintain and develop superior varieties, not only increasing production and income, saving costs, shortening the growth cycle, and expanding propagation efforts, but also having a positive effect on environmental adaptation. Branch grafting is one of the common methods in fruit tree grafting techniques.

[0003] Statistics show that the grafting coverage rate in orchards currently exceeds 75%, but in arid and windy areas, the graft preservation rate has long been below 60%, with wind breakage losses accounting for as much as 40%. Therefore, preventing wind breakage and external interference from grafted scions is of great significance.

[0004] However, traditional wind protection measures, such as binding with bamboo poles, have problems such as incomplete protection and inability to regulate the grafting microenvironment.

[0005] Therefore, providing a grafting protection device is a problem that urgently needs to be solved by those skilled in the art. Utility Model Content

[0006] In view of this, the present invention provides a grafting protection device that can effectively reduce wind damage and improve the survival rate and preservation rate of fruit tree branches grafted.

[0007] To achieve the above objectives, the present invention adopts the following technical solution:

[0008] A grafting protection device, comprising:

[0009] A protective tube is provided around the junction of the scion and the rootstock.

[0010] An annular bottom cover is fastened to the rootstock and its edge is fitted over the bottom of the protective tube to receive the moisture-retaining filler between the protective tube and the rootstock.

[0011] By adopting the above technical solutions, the beneficial effects of this utility model are as follows:

[0012] It not only provides mechanical protection but also regulates the grafting microenvironment, effectively reducing wind damage and improving the survival and preservation rates of fruit tree branch grafts.

[0013] Furthermore, the protective pipe is a PVC pipe.

[0014] Furthermore, the inner diameter of the protective tube is 15-200mm, and the wall thickness is 1.5-6mm.

[0015] Furthermore, the annular bottom cover includes a left ring body and a right ring body. The left bottom plate of the left ring body has a first semi-circular hole and slots located on both sides of the first semi-circular hole. The right bottom plate of the right ring body has a second semi-circular hole and locking blocks located on both sides of the second semi-circular hole. The two locking blocks are respectively engaged in the two slots, so that the first semi-circular hole and the second semi-circular hole form a circular hole for the rootstock to pass through. The left edge of the left ring body and the right edge of the right ring body form the edge for being fitted onto the protective tube.

[0016] Furthermore, the edge is secured to the bottom of the protective tube by cable ties.

[0017] Furthermore, the moisturizing filler is a mixture of wet soil and vermiculite.

[0018] Therefore, this utility model provides a grafting protection device, which has the following advantages compared with the prior art:

[0019] 1) Physical protection mechanism and mechanical support: PVC pipes can resist wind force and prevent the cambium from separating due to displacement of the scion and rootstock. The bonding part of the scion and rootstock after grafting is not affected by wind speed and wind force, and will not be displaced or broken. The cambium is always tightly attached.

[0020] 2) Improved microenvironment: PVC pipes reflect sunlight, reducing daytime temperature fluctuations inside the pipes by 62% (25.3℃ → 21.7℃), lowering the internal temperature (which can be 3-5℃ lower than the outside temperature), while maintaining relative humidity at 85%-90%, thus reducing scion water loss to 1.2mm. 3 / h (control is 4.8mm) 3 / h), avoid direct sunlight and wind to reduce transpiration and water loss;

[0021] 3) Fill the grafting site with a mixture of moist soil and vermiculite (with a moisture content of about 60%) to maintain the humidity of the grafting site and promote callus formation (optimal humidity 85%-90%). The wet soil and vermiculite mixture inside the tube can maintain the humidity, and the wet soil inside the tube absorbs the impact force, reduces the damage from collisions with external objects, and promotes healing.

[0022] 4) After grafting, the scion and rootstock are wrapped in PVC pipe for closed protection. The stable physical environment allows the cambium cells to continue to divide (shortening the division cycle by 1-2 weeks). Microscopic observation shows that the cambium cells divide 7-10 days earlier, the callus density increases by 40%, and it promotes cell activity and accelerates healing.

[0023] 5) Antioxidant protection: Light-shielding conditions reduce the accumulation of reactive oxygen species, reduce membrane lipid peroxidation, and protect cell integrity. Attached Figure Description

[0024] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0025] Figure 1 The attached figure is a schematic diagram of the overall structure of a grafting protection device provided by this utility model;

[0026] Figure 2 The attached figure is an exploded view of the annular bottom cover provided by this utility model;

[0027] Figure 3 The attached figure is a cross-sectional view of the grafting protection device provided by this utility model in use. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] like Figure 1-3 As shown in the figure, this utility model discloses a grafting protection device, including a protective tube 1 and an annular bottom cover 2. The protective tube 1 surrounds the junction of the scion 3 and the rootstock 4. In this embodiment, the protective tube 1 is a PVC pipe with high rigidity (elastic modulus of about 2.4 GPa) and can withstand winds of level 8 or higher (wind speed > 28 m / s). The annular bottom cover 2 is fastened to the rootstock 4, with its edge fitting over the bottom of the protective tube 1, and is used to receive the moisture-retaining filler 5 between the protective tube 1 and the rootstock 4. In this embodiment, the moisture-retaining filler 5 is a mixture of moist soil and vermiculite. This utility model not only provides mechanical protection but also regulates the grafting microenvironment, effectively reducing wind damage and improving the survival rate and preservation rate of fruit tree branch grafts.

[0030] Specifically, the inner diameter of the protective tube 1 is 15-200mm, and the wall thickness is 1.5-6mm.

[0031] Specifically, the annular bottom cover 2 includes a left annular body 21 and a right annular body 22. The left bottom plate of the left annular body 21 has a first semi-circular hole and slots 211 located on both sides of the first semi-circular hole. The right bottom plate of the right annular body 22 has a second semi-circular hole and blocks 221 located on both sides of the second semi-circular hole. The two blocks 221 are respectively engaged in the two slots 211, so that the first semi-circular hole and the second semi-circular hole form a circular hole for the rootstock 4 to pass through. The left edge of the left annular body 21 and the right edge of the right annular body 22 form an edge for being fitted onto the protective tube 1.

[0032] To further optimize the technical solution of this utility model, the edge and the bottom of the protective tube 1 are fixed by cable ties to achieve a tight connection between the annular bottom cover 2 and the protective tube 1.

[0033] Understandably, for environmental protection purposes, protective tube 1 can also be made of biodegradable material.

[0034] The usage process of this utility model is as follows:

[0035] After grafting, first insert the PVC pipe into the junction of the scion 3 and the rootstock 4, with the top of the PVC pipe extending 35cm above the scion. Then, snap the left ring 21 and right ring 22 placed on either side of the rootstock 4 together, so that the combined annular bottom cover 2 is fastened onto the rootstock 4 and the edge of the annular bottom cover 2 fits over the bottom of the protective pipe 1. Fill the space between the PVC pipe and the rootstock 4 with a mixture of moist soil and vermiculite. Once the scion 3 and rootstock 4 are firmly bonded (usually after 1 year) and the desired effect is achieved, the PVC pipe and annular bottom cover 2 can be removed.

[0036] The various embodiments in this specification are described in a progressive manner, with each embodiment focusing on its differences from other embodiments. Similar or identical parts between embodiments can be referred to interchangeably. For the apparatus disclosed in the embodiments, since they correspond to the methods disclosed in the embodiments, the description is relatively simple; relevant parts can be referred to the method section.

[0037] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A grafting protection device, characterized in that, include: A protective tube is provided around the junction of the scion and the rootstock. An annular bottom cover is fastened to the rootstock and its edge is fitted over the bottom of the protective tube to receive the moisture-retaining filler between the protective tube and the rootstock.

2. The grafting protection device according to claim 1, characterized in that, The protective pipe is a PVC pipe.

3. The grafting protection device according to claim 2, characterized in that, The inner diameter of the protective tube is 15-200mm, and the wall thickness is 1.5-6mm.

4. The grafting protection device according to claim 1, characterized in that, The annular bottom cover includes a left ring body and a right ring body. The left bottom plate of the left ring body has a first semi-circular hole and slots located on both sides of the first semi-circular hole. The right bottom plate of the right ring body has a second semi-circular hole and locking blocks located on both sides of the second semi-circular hole. The two locking blocks are respectively engaged in the two slots, so that the first semi-circular hole and the second semi-circular hole form a circular hole for the rootstock to pass through. The left edge of the left ring body and the right edge of the right ring body form the edge for being fitted onto the protective tube.

5. A grafting protection device according to claim 4, characterized in that, The edge is fixed to the bottom of the protective tube by cable ties.

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