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Method for increasing cuttage survival rate of hybrid Chinese tulip trees

A technology for hybridization of Liriodendron tulipifera and survival rate, which is applied in the field of plant breeding, can solve the problem of high cost of raising seedlings, and achieve the effect of improving economic benefits

Inactive Publication Date: 2015-11-04
张纪林
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AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a method for improving the survival rate of hybrid Liriodendron chinensis cuttings, so as to overcome the high cost of seedling cultivation caused by traditional propagation methods.

Method used

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Embodiment 1

[0017] In mid-June 2008, in Nanjing City, Jiangsu Province, a total of 98,390 cuttings were cut and 79,696 plants survived. The method is to make a cutting seedbed with perlite as the substrate, compact it, and water it once. Before cutting, sterilize the seedbed with 30% carbendazim solution 300 times. The cuttings are carried out in cloudy and rainy days. Select semi-lignified branches that grow vigorously, have good buds, and are disease-free. Cut the cuttings to a length of 7-15 cm, and keep 1-2 leaves on the upper part. The cuttings were soaked in 30% carbendazim 500 times solution for 5 to 15 minutes in bundles of 30. Then immerse the lower end 3-5cm of the cuttings in the self-prepared rooting agent solution for 1-2 hours. The row spacing of cuttings is 3×10 cm. The depth of inserting into the matrix is ​​3cm to 5cm, and then the perlite around the cuttings is compacted. And immediately pour water once, so that the cuttings and perlite are tightly combined. The cut...

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Abstract

The invention belongs to the field of plant breeding, and particularly relates to a method for increasing the cuttage survival rate of hybrid Chinese tulip trees. The method mainly includes selection of cuttage mediums and cuttage twigs of the hybrid Chinese tulip trees, concentration matching of rooting agents and corresponding soaking time, the sterilization anti-corrosion technology, moisture preservation and temperature regulation and control measures. The defects that roots of the cuttage twigs of the hybrid Chinese tulip trees are prone to rotting and the rooting rate is low are overcome, and the cuttage survival rate is increased to 81%.

Description

technical field [0001] The invention belongs to the field of plant breeding and relates to a method for improving the survival rate of hybrid tulip tree cuttings. Background technique [0002] Hybrid Liriodendron is a large deciduous tree in the Magnoliaceae family. It is formed by hybridizing the Chinese Liriodendron as the "female parent" and the American Liriodendron as the "male parent". It is peculiarly resembling a mandarin jacket, so it is also called hybrid mandarin tree. The flowers are light yellow and green, and the shape of the flower resembles a tulip, so it is also called a tulip tree. The leaves are golden yellow in autumn, and it is a beautiful shade tree and street tree species. The ornamental value is extremely high. Hybrid Liriodendron seed propagation has a relatively large separation of offspring, and generally adopts grafting and cuttings for propagation. Grafting is to use Liriodendron or American Liriodendron as rootstock for grafting. Although the...

Claims

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Application Information

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IPC IPC(8): A01G17/00A01G13/00A01G1/00
CPCA01G17/005A01G13/00A01G22/00
Inventor 张纪林
Owner 张纪林
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