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Grafting method for pinus massoniana

A technology of masson pine and grafted seedlings, applied in grafting, botany equipment and methods, horticulture, etc., can solve the problems of low survival rate of transplanted seedlings, low survival rate of transplanted seedlings, increase of cultivation cost, etc., and improve the efficiency of seedling cultivation and survival rate, the effect of short seedling time

Inactive Publication Date: 2016-12-21
贵州省林业科学研究院
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In the prior art, the grafting of Pinus massoniana is usually more than two years, and the seedlings with a ground diameter greater than 10cm are used as rootstocks. Because the bare-root seedlings of Pinus massoniana transplanted for more than two years have a very low survival rate, in order to solve the problem, the survival rate of transplanted seedlings is low. In the prior art, annual rootstocks are usually planted on the mountain first, and then grafted when the diameter grows to meet the grafting conditions, or larger containers are used to cultivate large-sized container seedling rootstocks; although these two methods To a certain extent, the survival rate of transplanted seedlings has been improved, but both methods have greatly increased the cost of cultivation

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] The time for the grafting is mid-April, and the annual masson pine seedlings are used as the rootstock, and the grafting position of the rootstock is 12cm on the ground of the rootstock; the ground diameter of the rootstock is 0.5cm; the plant height of the rootstock is 40cm; After using scissors to remove the needles at the grafted part of the rootstock, the rootstock was cut, and the skin of 11 cm on the top of the grafted part of the rootstock was cut with a single-sided knife, exposing 33% of the cambium of the rootstock.

[0036] Adopt the new branch that the needle leaf that germinates the excellent clone of Masson pine excellent clone with a length of 15cm in the year of selection is not yet grown from the leaf sheath. Cut from the center of the middle pith at the bottom of the scion to the top, and cut it gently to 1 / 3 of the top to obtain the scion to be grafted, and connect the cut rootstock and the top of the scion to be grafted with a length of 11 cm through ...

Embodiment 2

[0042]The time of the grafting is in late March, adopting annual masson pine seedlings as a rootstock, and the rootstock grafting position is 10cm on the ground of the rootstock; the ground diameter of the rootstock is 0.4cm; the plant height of the rootstock is 30cm; After using scissors to remove the needles at the grafted part of the rootstock, the rootstock was cut, and the skin of 10 cm on the top of the grafted part of the rootstock was cut with a single-sided knife, exposing 29% of the cambium of the rootstock.

[0043] Use the new shoots that have germinated masson pine spikes with a length of 13cm and have not yet grown out of the sheaths, and cut them from the center of the middle pith at the bottom of the spikes to the top, and cut to a gentle slope at 1 / 3 from the top. Cut to obtain the scion to be grafted, and dock the cut rootstock and the top length of the scion to be grafted with a length of 10 cm through the pith cambium butt jointing method. After the butt joi...

Embodiment 3

[0049] The time of described grafting is the last ten days of a month in April, adopt annual masson pine fruit seedling of nutrition bag to be rootstock, and rootstock grafting position is rootstock ground with 12cm; The ground diameter of described rootstock is 0.6cm; The plant height of described rootstock is 38cm; After using scissors to remove the needles at the grafted part of the rootstock, the rootstock was cut, and the skin of 10 cm on the top of the grafted part of the rootstock was cut with a single-sided knife, exposing 35% of the cambium of the stock.

[0050] Adopt the new branch that the coniferous leaf that germinated masson pine excellent clone spike length of 25cm has not yet grown from the leaf sheath in the year of breeding. Cut from the center of the middle pith at the bottom of the scion to the top, and cut it gently to 1 / 3 from the top to obtain the scion to be grafted, and connect the cut rootstock and the top of the scion to be grafted with a length of 1...

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Abstract

The invention provides a grafting method for pinus massoniana. The method includes the following steps that 1, needle point leaves at grafting positions of stocks are removed, the grafting positions of the stocks are 10 cm-25 cm away from the ground where the stocks are located, and the stocks are nourishing-bag seedlings of annual pinus massoniana; 2, the grafting positions of the stocks are cut one time to expose forming layers; 3, cutting is carried out from the pitch position of the bottom end of each scion to the top end till the 1 / 3 position away from the top end, and then mild inclined cutting is carried out; 4, the scions obtained through the step3 and the stocks obtained through the step2 are in butt joint. With the nourishing-bag seedlings of annular pinus massoniana being the stocks, the cultivating efficiency of seedlings is improved, the survival rate of the seedlings is increased, and the cost is also greatly lowered.

Description

technical field [0001] The invention relates to the technical field of masson pine seedling cultivation, in particular to a masson pine grafting method. Background technique [0002] The Latin scientific name of masson pine is Pinus massoniana Lamb., which belongs to the genus Pinus in the family Pinaceae. Masson pine is a tree, 45 meters high, 1.5 meters in diameter at breast height; the bark is reddish-brown, the lower part is gray-brown, split into irregular scaly pieces; the branches are flat or oblique, the crown is wide tower or umbrella, and the branches are annual One round is grown, but in southern Guangdong usually two rounds are grown. Masson pine likes light, does not tolerate shade, and likes warm and humid climates. Masson pine is a deep-rooted tree species that can grow in dry, barren red soil, gravel soil and sandy soil, or in rock crevices. It is a pioneer tree species for forest restoration on barren mountains. ; Masson pine often forms secondary pure for...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/06A01G17/00
CPCA01G2/30A01G17/005
Inventor 王港朱亚艳侯娜徐嘉娟吴明长耿阳阳
Owner 贵州省林业科学研究院
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