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High-efficiency propagation method of calathea zebrina

A technology of velvet and arrowroot, applied in the field of plant propagation, can solve the problems of high cost of waste liquid recovery and treatment, high risk of environmental pollution, threat to human health, etc., and achieve the effect of easy promotion, environmental friendliness, and slow speed of overcoming

Inactive Publication Date: 2020-07-17
LANGFANG NORMAL UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The investment in tissue culture is large, and a professional tissue culture factory needs to be built, which requires professional equipment and a sterile environment. The technical requirements are high, and it is difficult for ordinary growers to master; the disinfection of explants requires highly toxic drugs such as mercuric acid and sodium hypochlorite, and the cost of waste liquid recycling is high. , the risk of environmental pollution is high, and the inoculation environment needs to be fumigated with formaldehyde regularly, which threatens human health

Method used

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  • High-efficiency propagation method of calathea zebrina
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  • High-efficiency propagation method of calathea zebrina

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Embodiment 1

[0029] Figure 2-3 Shown is the finished plant of Velvet with flowers and mixed buds from the first node of the flower stem.

[0030] During the flower stem formation period, topdress the leaves with 1000-2000 times of N:P:K=5:20:15 compound fertilizer; spray 100-300mg / L gibberellin on the leaves (add the spreading agent Tween 80, 1 drop ); the two methods are sprayed alternately, with an interval of 5-7 days, until the flower stems are drawn out;

[0031] Pedicel elongation period ( Figure 4 ), flower buds outcrop, spray IAA100-300mg / L, add spreader Tween 80, 1 drop, promote leaf bud growth; spray 2-3 times, interval 5-7 days.

[0032] At the end of flower opening ( Figure 5 ), apply 200-300mg / L IBA to the base of leaf buds, add Tween 80, a spreading agent, 1 drop; promote rooting of leaf buds, spray 2-3 times, with an interval of 3-5 days;

[0033] After the first leaf bud takes root ( Image 6 ), remove the buds with a sharp blade, and take root seedlings ( Figure ...

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Abstract

The invention discloses a high-efficiency propagation method of calathea zebrina. Due to combination of nutrition control and auxin supplying, the development process of leafbuds on the scape of calathea zebrina is adjusted and controlled; therefore, two leafbuds on the scape grow, take root and are developed into a complete plant; then, buds are taken down and planted; and the high-efficiency propagation method of calathea zebrina is realized. According to the high-efficiency propagation method of calathea zebrina in the invention, propagation is carried out by utilization of leafbuds on thescape; the propagation is vegetative propagation of nutrients; the hereditary feature is steady; 10-20% variation loss by tissue culture is avoided; good characteristics of female parents can be kept;the high-efficiency propagation method of calathea zebrina in the invention overcomes the disadvantages of being low in ramet propagation speed and low in efficiency, and overcomes the shortcomings that the tissue culture investment is high, special workshops, equipment and aseptic environments are needed and the technical requirement is high; the method is easy to grasp; and the technology is easy to popularize and use.

Description

technical field [0001] The invention belongs to the field of plant propagation, and in particular relates to a high-efficiency propagation method of velvet arrowroot. Background technique [0002] Velvet arrowroot (Calathea zebrina), is a perennial evergreen herb of the arrowroot family Arathea genus, and is one of the large-leaved species of the arrowroot family. The plant height is about 50cm, the leaves are oblong, thick and glossy, the whole plant is graceful, and the color is gorgeous. It is a very popular indoor shade-loving foliage plant in the world. So far, the propagation of velvet arrowroot is carried out by division or tissue culture. [0003] Branch reproduction: The vigorously growing plants are divided once every 1-2 years. When dividing, pour the plants out of the flowerpot, remove the root soil, and separate the strong and neat clusters with a sterilized knife. 3-4 small The plant is a clump, planted in a new flower pot, and kept in a semi-shade place. Gen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G22/60A01G7/06A01G9/029A01C21/00
CPCA01G22/60A01G7/06A01G9/0299A01C21/005
Inventor 郝海平只艳玲韩淑伟齐颖
Owner LANGFANG NORMAL UNIV
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