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Cuttage and seedling raising method for clematis hybrids

A technology for growing seedlings by cuttings and clematis, applied in botany equipment and methods, horticulture, soilless cultivation, etc., can solve problems such as low reproduction coefficient, long seedling cultivation time, and influence on industrialization development, and achieve broad market prospects , low cost and high utilization rate of cuttings

Inactive Publication Date: 2012-07-25
FLOWER RES INST OF YUNNAN ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention aims at the problem that the conventional cutting propagation coefficient of Clematis grandiflorum is low and the seedling cultivation time is long, which affects the development of industrialization, and provides a single bud of Clematis which is easy to reproduce, fast in reproduction speed and can promote the development of industrialization Twig cutting propagation method

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] (1) In August when clematis grows vigorously in spring and summer, cut the full-grown branches from the large-flowered clematis plant to make cuttings. When cutting, only one node is reserved for each cutting, and the node is the boundary. The upper node is 2 cm long and the lower node is 2.5 cm long. One side of the cutting is removed, and the other side is left, and the cutting is cut flat;

[0024] (2) The cutting inserts of step (1) are immersed in a naphthalene acetic acid (NAA) solution with a concentration of 1200 mg / L for 15 seconds, then inserted into the slotting bed, and the substrate is poured with water; the slotting bed is 30 cm high and 150 cm wide; A layer of stones with a particle size of 10cm is used as the water-permeable bottom layer, and then coarse river sand with a particle size of 0.5mm is used as the cutting layer, and the thickness of the cutting layer is 15cm; and a week before cutting, use a potassium permanganate solution with a mass concentrati...

Embodiment 2

[0036] (1) In May, when clematis grows vigorously in spring and summer, cut the well-developed branches from the large-flowered clematis plant to make cuttings. When cutting, only one node is reserved for each cutting, and the node is the boundary , 1.5 cm long at the node, 3 cm long at the bottom of the node, remove the leaves on one side of the cutting, and leave the leaves on the other side, and cut the cutting into a horse ear shape;

[0037] (2) The cutting inserts of step (1) are immersed in a naphthalene acetic acid (NAA) solution with a concentration of 1500 mg / L for 10 seconds, then inserted into the slotting bed, and water is poured into the matrix; the slotting bed is 25 cm high and 160 cm wide; A layer of stones with a particle size of 8cm is used as the water-permeable bottom layer, and coarse river sand with a particle size of 1.0mm is used as the cutting layer. The thickness of the cutting layer is 18cm; and a week before the cuttings are poured with a potassium per...

Embodiment 3

[0049] (1) In March when clematis grows vigorously in spring and summer, cut the well-developed branches from the large-flowered clematis plants that year to make cuttings. When cutting, only one node is reserved for each cutting, and the node is the boundary. The upper node is 2 cm long, and the lower node is 3 cm long. Leaves are removed on one side of the cuttings and leaves on the other side, and the cuttings are cut flat;

[0050] (2) The cutting inserts of step (1) are immersed in a naphthalene acetic acid (NAA) solution with a concentration of 1300 mg / L for 20 seconds, and then inserted into the slotting bed, and the substrate is poured with water; the slotting bed is 28 cm high and 200 cm wide; A layer of stones with a particle size of 9cm is used as the bottom layer of water, and then coarse river sand with a particle size of 0.8mm is used as the cutting layer, and the thickness of the cutting layer is 20cm; and a week before the cuttings are poured with a potassium perma...

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Abstract

The invention provides a cuttage and seedling raising method for clematis hybrids. In the method, branches which are grown fully are shorn from clematis hybrids plants grown in the current year to be used as cuttings; each cutting only reserves a knot during shearing, by taking the knot as a boundary, the length above the knot is between 1.5 and 2 centimeters, and the length below the knot is between 2.5 and 3 centimeters; leaves are removed on one side of each cutting and are reserved on the other side of each cutting, and cutting openings are shorn flatly or shorn to form a horse-ear shape;and after being immersed in naphthylacetic acid solution (NAA) with the concentration of between 1,200 and 1,500 mg / L for 10 to 20 seconds, the cutting openings are inserted into a cutting bed for growing until the cuttings root or / and foliate, seedlings are hardened for 7 to 10 days and transplanted, and the seedlings serving as finished products are cultivated after 3 months. The cuttage and seedling raising method has the advantages of high utilization rate of the cuttings, low cost, high survival rate, quick propagation and the like; moreover, a large number of clematis seedlings can be grown by utilizing finite female parent resources in a short time, so the method is favorable for the industrial development of the clematis hybrids serving as high-ornamental liana flowers and has a bright market prospect.

Description

Technical field [0001] The invention relates to a large-flowered clematis cutting seedling raising method, which belongs to the technical field of plant asexual reproduction. Background technique [0002] Clematis grandiflora ( Clematis hybrids ) Is a perennial woody vine, an excellent vertical greening material, known as the "Queen of Climbing Plants". Its leaves are opposite, with stalks, and the petioles have dense pubescent hairs, single leaves, three compound leaves or pinnate compound leaves, whole, serrated or divided. Cymes, panicles or solitary. Sepals 4~8 (10), rich in color, white, pink, red, purple or blue, etc.; single, double or semi-double; stamens are numerous, filaments usually widened, pilose or absent Hairs, anthers dehiscing laterally or inwardly, achenes are numerous, integrated capitate, containing 1 seed. The flowering period of various clematis is different, usually from April to September. [0003] Clematis plants have novel and unique flower shapes, g...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G1/00A01G31/00
Inventor 李世峰解玮佳李树发蔡艳飞
Owner FLOWER RES INST OF YUNNAN ACAD OF AGRI SCI
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