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Method for increasing grafting survival rate of populus tomentosa

A survival rate and technology of poplar tomentosa, which is applied in the field of improving the survival rate of poplar tomentosa grafting, can solve problems such as scion and rootstock cambium detachment, and achieve the effect of improving the survival rate of grafting, simple production, and easy operation

Inactive Publication Date: 2015-07-15
SHANDONG FOREST SCI RES INST
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Problems solved by technology

[0004] In order to solve the above-mentioned technical problems, the present invention provides a method for improving the survival rate of Populus tomentosa grafting. The grafted scion and rootstock are nailed and fixed, which solves the problem that the scion and rootstock are damaged due to external forces during the production process of Populus tomentosa grafting. The problem of cambium detachment, thereby improving the survival rate of grafted poplar seedlings, plays an important role in promoting the large-scale popularization and application of poplar tomentosa

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  • Method for increasing grafting survival rate of populus tomentosa
  • Method for increasing grafting survival rate of populus tomentosa

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Embodiment Construction

[0016] The present invention is described in detail below in conjunction with accompanying drawing and specific embodiment:

[0017] The method for improving Populus tomentosa grafting survival rate described in the present invention is realized through the following steps:

[0018] 1) Cut the scion and rootstock: Cut the harvested scion and rootstock into sections. The length of the scion is based on 2 to 3 full buds on it, and ensure that at least one of the top buds is intact. The length of the scion is generally 12-15cm, and the cut scion and rootstock sections should be graded according to the thickness standard. The thick scion is grafted on the thick rootstock, and the thin scion is grafted on the thin rootstock;

[0019] 2) Cut the scion: on both sides of a bud at the lower half of the scion, use a sharp knife to cut the scion into a wedge-shaped slope with a wider outside and a slightly narrower inside. Cut a knife obliquely on each side to make the lower end of ...

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Abstract

The invention discloses a method for increasing grafting survival rate of populus tomentosa, and relates to the field of forest tree species breeding. Union surfaces of a stock and cion which are grafted are fixed through nailing, so that layer separation cannot be easily formed between the cion and the stock under an exogenic action during transport, and therefore the grafting survival rate of the populus tomentosa is greatly increased to 98.3 percent; a fixing device is simple to manufacture and high in stability, can be continuously used for a long time, and is easy and simple in operation; higher economic benefit is obtained with low cost.

Description

technical field [0001] The invention relates to the field of forest tree breeding, in particular to a method for improving the survival rate of poplar tomentosa grafting. Background technique [0002] Poplar tomentosa ( Populus tomentosa Carr) is a large deciduous tree of Salicaceae and Populus, with fast growth, straight and straight trunk, and beautiful tree shape. It is an excellent tree species for afforestation and greening. Populus tomentosa is native to China and is widely distributed. It is an excellent landscaping tree species; it has strong adaptability and is also a good shelterbelt tree species; poplar tomentosa is also an important fast-growing timber tree species and raw material for pulp. [0003] However, it is extremely difficult to breed Populus tomentosa seedlings, and conventional cutting propagation does not take root; root propagation is restricted by the number of mother trees, and the seedlings are uneven and poor in quality. Grafted seedlings tend ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/06
Inventor 董玉峰姜岳忠王卫东秦光华荀守华李善文囤兴建
Owner SHANDONG FOREST SCI RES INST
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