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Quick grafting method for jujube tree seedlings

A technology for seedlings and jujube trees, applied in the field of fruit tree grafting, can solve problems such as low efficiency, complicated procedures, and many tools involved, and achieve the effects of simple steps, meeting engineering requirements, and being conducive to rapid reproduction.

Inactive Publication Date: 2016-12-21
SHANDONG INST OF POMOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this method is still applicable to the re-grafting of large trees, but the process is complicated and involves many tools. If it is used for seedling grafting, the efficiency is low

Method used

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  • Quick grafting method for jujube tree seedlings
  • Quick grafting method for jujube tree seedlings
  • Quick grafting method for jujube tree seedlings

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Such as Figure 1 to Figure 5 Shown, a kind of fast grafting method of jujube seedling comprises the following steps,

[0032] (1) rootstock preparation: choose the wild jujube seedling that annual, dry stem is more than 0.8-1.5cm as grafting rootstock, standby;

[0033] (2) Scion preparation: From the end of February of the year of grafting to before germination, cut the annual branches on the crown of the mother tree of the "Golden Silk No. 4" variety. It is required that the buds on the branches are full. Melt the wax barrel to seal the whole fringe with wax, and store it in a cold storage at 4-8°C for later use;

[0034] (3) Grafting time: From the end of April to the middle and end of May of the year of grafting, the grafting rootstock selected in step (1) is truncated at a distance of 3-5 cm from the ground. Remove all thorns;

[0035] (4) Grafting: During grafting, the grafter is a worker with 20 years of grafting experience in the jujube research group of Sha...

Embodiment 2

[0040] A kind of fast grafting method of jujube seedling, grafting step is as described in embodiment 1, and its difference is: after grafting is finished, also comprise the step (5) of post-grafting management, dip polyvinyl alcohol boiling liquid with hairbrush (polyvinyl alcohol: water=1:4), smeared on the top of the scion to prevent the scion from dehydration and ensure survival. Observe the survival situation after 10-15 days of grafting. If the scion turns black, it does not survive, and it needs to be supplemented by the above method immediately. Generally, the interface can heal after 25 days, and water can only be watered after healing, otherwise the interface will affect the healing due to water ingress and reduce the survival rate.

[0041] Remove rootstock germination in time after healing, and when the new scion grows to 20cm, untie the plastic film and stabilize the pole to prevent wind breakage. When jujube seedlings grow to 1.5 meters, topping is carried out t...

Embodiment 3

[0044] Such as Figure 6 and Figure 7 Shown, a kind of fast grafting method of jujube seedling, grafting step is as described in embodiment 1, and its difference is: when step (4) carries out grafting, if scion diameter is bigger than stock dry diameter during grafting, then step (3) The both sides of middle rootstock are cut into wedge-shaped slopes of 2-3cm, and the center of the grafted end face of the ear bar that is taken out is cut upwards to a 3cm notch, and the notch of the ear bar is wrapped downwards on the wedge-shaped slope of the stock, so that the rootstock Align the cambium on both sides of the ear and ear, and tie the anvil and ear grafting place tightly with plastic film, and then complete the grafting of jujube seedlings.

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Abstract

The invention relates to a quick grafting method for jujube tree seedlings. The method comprises the following steps: selecting annual wild jujube seedlings with stems of more than 0.8-1.5cm as a grafting root stock, cutting two sides of a scion end into a wedge-shaped bevel, downward cutting a 3cm notch on the root stock, then directly inserting the wedge-shaped bevel of the scion end into the notch, and binding the grafting part with a plastic film; subsequently smearing a fruit tree wound healing agent or polyvinyl alcohol decocting liquid (polyvinyl alcohol: water=1: 4) at the top of the scion, watering after the wound is healed in 25 days, clearing root stock sprouts, after the young sprouts of the scion grow to 20cm, releasing the plastic film, and arranging a rod for stabilizing the young sprouts so as to prevent the young sprouts from being broken by wind; and after the jujube tree seedlings grow to 1.5m, carrying out top removal so as to accelerate stem growth. Compared with the traditional whip grafting method, the jujube tree seedlings obtained by the grafting method provided by the invention have the advantages of being greatly increased in grafting efficiency, high in survival rate of the jujube tree seedlings after grafting, capable of meeting project requirements, and suitable for large-scale popularization.

Description

technical field [0001] The invention relates to a rapid grafting method for jujube seedlings, belonging to the technical field of fruit tree grafting. Background technique [0002] Jujube is a unique fruit tree in my country. It is a pioneer tree species in rivers, beaches, ditches, ridges, and saline-alkali lands. The cultivated area has reached 30 million mu, ranking second only to apples. At this stage, the area of ​​jujube tree cultivation is still expanding, and there is an urgent need for a large number of high-quality seedlings. But the used grafting method of seedling propagation is tongue grafting at present, and this method procedure is loaded down with trivial details, and efficient is lower, has limited grafting efficiency greatly. [0003] Chinese patent document CN102523946A (application number 201210070358.2) discloses a kind of jujube tree grafting method, and this method is mainly through when grafting, scion is cut into crescent cut mouth, and the cortex o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/06A01G17/00A01G7/06
CPCA01G2/30A01G7/06A01G17/005
Inventor 王中堂周广芳张琼唐海霞
Owner SHANDONG INST OF POMOLOGY
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