Method for producing miniature bonsai by single-node cuttage of poinsettia

A red single-section, first-class technology, applied in the field of plant cultivation, can solve the problems of poor growth quality and high plant height, achieve high rooting rate and germination rate, good crown width, and shorten the rooting time

Active Publication Date: 2015-03-25
ZHONGKAI UNIV OF AGRI & ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem solved by the present invention is to overcome the existing poinsettia miniature potted plant height too high and the problem of poor growth quality, and to provide a method for producing miniature potted plants from poinsettia single-section cuttings

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Cut off the terminal buds of 3 mature leaves from the poinsettia branches, and cut the single-node stem segments from the 3rd to the 7th nodes from top to bottom as cuttings. Each cutting has a complete leaf and an obvious axillary bud. The upper end of the cuttings is cut at 0.5 cm above the node, and the lower end of the cutting is cut at 1 cm below the node, and cut into a slope parallel to the petiole. The base of the cut single-section cuttings was stained with 0.5 g / kg naphthalene acetic acid (NAA) talcum powder. After the cuttings are inserted into the cutting foam, they are then placed on a spray cutting seedbed equipped with an automatic controller. During the cutting propagation, the vegetative growth state of the cuttings was maintained by the method of interruption in the dark period. After rooting, transplant it to a flower pot with a pot diameter of 90 or 110 cm for planting. Observe and record the rooting situation of cuttings, and the proterties of pl...

Embodiment 2

[0028] Cut off the terminal buds of 3 mature leaves from the poinsettia branch, and cut the single-node stem segment from the 3rd to the 7th node from top to bottom as cuttings. Each cutting has a complete leaf and an obvious axillary bud. Cut the upper end of the cuttings at 0.3 cm above the node, cut the lower end of the cutting at 1.2 cm below the node, and cut it into a slope parallel to the petiole. The base of cut single-node cuttings was stained with 1.0 g / kg indole butyric acid (BA) talcum powder. After the cuttings are inserted into the cutting foam, they are placed on a spray cutting bed equipped with an automatic controller. During cutting propagation, the cuttings are kept in a state of vegetative growth by interrupting the dark period. After rooting, transplant it to a flower pot with a pot diameter of 90 or 110 cm for planting. Observe and record the rooting situation of cuttings, and the proterties of plants after flowering, as shown in Table 1.

Embodiment 3

[0030] Cut off the terminal buds of 3 mature leaves from the poinsettia branch, and cut the single-node stem segment from the 3rd to the 7th node from top to bottom as cuttings. Each cutting has a complete leaf and an obvious axillary bud. The upper end of the cuttings is cut at 0.7 cm above the node, and the lower end of the cutting is cut at 0.8 cm below the node, and cut into a slope parallel to the petiole. The base of cut single-node cuttings was stained with 1.5 g / kg indole butyric acid (BA) talcum powder. After the cuttings are inserted into the culture medium, they are placed on a spray cutting bed equipped with an automatic controller. During cutting propagation, the cuttings are kept in a state of vegetative growth by interrupting the dark period. After rooting, transplant it to a flower pot with a pot diameter of 90 or 110 cm for planting. Observe and record the rooting situation of cuttings, and the proterties of plants after flowering, as shown in Table 1.

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PUM

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Abstract

The invention relates to the technical field of plant cultivation and discloses a method for producing a miniature bonsai by single-node cuttage of poinsettia. The method includes taking a single-node stem section of 3-7 node sections from a terminal bud of a branch of poinsettia as a cutting; cutting the cutting at a position of 0.3-0.7cm above a node and a position of 0.8-1.2cm below the node; enabling a base portion of the cutting after being cut to be stained with talc powder containing 0.3-0.7g/kg naphthylacetic acid or containing 0.8-1.2g/kg indolebutyric acid; inserting the cutting after being treated into a seedling-cultivating substrate for cultivation through a night break method. Rooting rate of the cutting can reach more than 98%. Height of a plant after flowering of the cutting is smaller than more than 5cm that that of a conventional terminal bud cuttage plant, node section of the plant is less than 4-8 sections than that of the conventional terminal bud cuttage plant, but the plant and the conventional terminal bud cuttage plant have no obvious difference in bract character, subsequent growing and development and crown breadth; the problems of lowering of plant height, poor effect in rooting and plant growing and the like of the miniature bonsai are solved effectively.

Description

technical field [0001] The invention relates to the technical field of plant cultivation, and more specifically relates to a method for producing miniature potted plants by poinsettia single-node cuttings. Background technique [0002] Poinsettia potted plants produced in the domestic market are mainly multi-branched large potted plants. With the improvement of the quality of life and the change of the personal consumption market, the domestic market demand for miniature potted poinsettias is also gradually increasing. Since the seedling propagation of poinsettia is carried out cutting propagation with the terminal bud cuttings with 2 to 3 mature leaves, it is very difficult to reduce the plant height of the poinsettia produced by the terminal bud cuttings to reach the miniature potted plant standard. At present, in order to avoid the height of the plant from being too high, producers often do cuttings until the short-day period, so that the plant can directly enter reprodu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/00
CPCA01G22/00
Inventor 王凤兰周厚高黄子锋
Owner ZHONGKAI UNIV OF AGRI & ENG
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