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Grafting method for the diameter of the grafting part of pecans with thin shells greater than 30 centimeters

A technology of thin-shelled pecans and parts, applied in the field of thin-shelled pecans, can solve the problems of difficult healing, long wound healing time, and low survival rate of grafted branches, so as to prevent weak branches from dying and promote rapid healing. Effect

Active Publication Date: 2022-05-03
YUNNAN ACAD OF FORESTRY
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Problems solved by technology

[0005] The application provides a grafting method for the diameter of the grafted portion of pecan with a thin shell greater than 30 centimeters, which is used to solve the problem in the prior art that after grafting the pecan with a thin shell, the wound heals for a long time, it is difficult to heal, and the survival rate of grafted branches low technical issues

Method used

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  • Grafting method for the diameter of the grafting part of pecans with thin shells greater than 30 centimeters

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Embodiment 1

[0044] Select 100 stocks of 35cm rootstocks with a cut-off diameter, on the cut-off faces of every rootstock, graft new ears of good varieties at equal intervals according to the following steps:

[0045] Step S100: Saw off the rootstock at the grafting site with a hand saw, and flatten the cross-section, select grafting points at equal intervals on the periphery of the rootstock, and use multi-branch grafting at each grafting point to graft at each grafting point. See Table 1 for other grafting parameters of improved scion.

[0046] When grafting, first use a hand saw to cut off the rootstock at the predetermined grafting position, and flatten the cut surface, select a straight and smooth bark under the cut surface, and cut off a piece of old bark whose length and width are slightly larger than the cortex on the back of the cut surface of the scion , to reveal the tender skin, so that it is blue but not white;

[0047]When cutting the scion, first cut into 1 / 2 of the thick d...

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Abstract

The present application discloses a grafting method for the grafting part of the thin-shell hickory whose diameter is greater than 30 centimeters, including the following steps: Step S100: sawing off the rootstock and flattening the section, and selecting multiple grafts at equal intervals on the periphery of the section of the rootstock. point, adopt the multi-branch cutting skin grafting method to graft the good-bred scion at each grafting point; the truncated diameter of the rootstock is greater than 30cm; After the upper peripheral skin of the branches is peeled off, a tender bark area is formed, and after the tender bark areas of each branch are abutted against each other, a plastic film is used to bind the abutment part; A new shoot of the total scion grows out. In this method, on the basis of even multi-branch grafting on the incision of the rootstock, the branches from the scion of the surviving good variety grafted in different directions are connected together again, so as to prevent the weak branches from dying and promote the rapid healing of the wound.

Description

technical field [0001] The application relates to a grafting method for grafting parts of pecans with a diameter greater than 30 centimeters, and belongs to the technical field of pecans with thin shells. Background technique [0002] Carya illinoensis K.Koch, also known as long hickory and American hickory, is native to the United States and Mexico. It belongs to the tall deciduous tree species of Juglandaceae Hickory. It is a world famous oil-bearing dried fruit tree species. [0003] In the existing grafting method, a good variety of branches is used to insert the graft between the phloem and the xylem of the rootstock, and a plurality of good variety scion branches are inserted on the grafted section to promote the healing of the rootstock section. [0004] The existing grafting method only binds and fixes the wound surface of the hickory nut part, but when the diameter of the grafting part is greater than 30cm when the hickory nut tree is grafted and replanted, the mul...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G2/30
CPCA01G2/30
Inventor 习学良苏连波王高升
Owner YUNNAN ACAD OF FORESTRY
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