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Efficient expanding propagation method for dahlia toxin-free seedlings

A technology for dahlias and virus-free seedlings, applied in the field of agricultural science, can solve the problems of low seedling transplanting survival rate, low induction rate, low seedling proliferation efficiency, etc., and achieves improved transplanting survival rate, simple disinfection method and good disinfection effect. Effect

Inactive Publication Date: 2015-11-11
济南怡然苗木种植有限公司
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Problems solved by technology

[0005] In order to solve the problems of low induction rate, poor quality of induced seedlings and many weak seedlings, low proliferation efficiency of seedlings, and low survival rate of transplanted seedlings existing in current dahlia virus-free seedling propagation methods, the invention provides a virus-free dahlia seedling The high-efficiency multiplication method of seedlings improves the quality, proliferation efficiency and transplanting survival rate of induced seedlings by establishing and improving the cultivation procedures, cultivation conditions and the ratio of cultivation components, thus establishing a high-quality and high-quantity rapid propagation system

Method used

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  • Efficient expanding propagation method for dahlia toxin-free seedlings
  • Efficient expanding propagation method for dahlia toxin-free seedlings
  • Efficient expanding propagation method for dahlia toxin-free seedlings

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Embodiment

[0046] The high-efficiency propagation method of dahlia virus-free seedlings in this embodiment was implemented in 2012-2013. The pre-treatment, plant regeneration and seedling hardening of dahlia virus-free seedlings were carried out in Lianyungang City Zhenxing Flower Garden, and the tissue-cultured seedlings were transplanted in It is carried out in the flower test base of Dongxin Farm in Lianyungang City. The detailed steps are as follows:

[0047] 1) Dahlia virus-free pre-seedling treatment:

[0048] Rinse the detoxified dahlia seedlings with tap water repeatedly first, wash once with a brush dipped in detergent, then rinse with ultrapure water, soak in 70% alcohol for 15 seconds, then rinse twice with sterile water, 0.1% mercury liter Add a few drops of Tween 20 solution to soak for 5 minutes, rinse 5 times with sterile water, blot dry with filter paper, and transfer the petiole and receptacle of the virus-free Dahlia seedlings into adventitious bud induction medium (med...

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Abstract

The invention discloses an efficient expanding propagation method for dahlia toxin-free seedlings. The method includes the following steps of 1, pretreatment of dahlia toxin-free seedlings, 2, induction of adventitious buds, 3, cutting of adventitious buds for mulitiplication, 4, hardening-seedling, 5, water planting and rooting, 6, water planting of strong seedlings and 7 transplanting. The efficient expanding propagation method solves the problems that dahlia toxin-free seedlings are low in efficiency in the expanding propagation process and prone to secondary pollution. A great number of excellent dahlia toxin-free seedlings can be cultured in an expanding propagation mode in a short period of time, the problem of variety degeneration brought by dahlia division propagation and seed propagation can be avoided, and the method is easy to operate and has higher practical value in production, and industrialized popularization is achieved easily.

Description

technical field [0001] The invention relates to a high-efficiency multiplication method for virus-free dahlia seedlings, in particular to a method for multiplication of a large number of high-quality dahlia virus-free seedlings in a short time, and belongs to the field of agricultural science and technology. Background technique [0002] Dahlia ( Dahlia pinnata Cav) is a perennial bulbous flower of the genus Dahlia in the Asteraceae family. It belongs to about 27 species. It is also known as dahlia chrysanthemum, geranium peony, passion flower, peony, dahlia, sweet potato flower, sweet potato flower, etc. It is native to Mexico, Colombia and Guatemala. and other countries, and later spread to Europe, Japan and my country. Dahlia has thick stems, large leaves, similar flower shape to peony, large and colorful flowers, beautiful flowers, various flower shapes, long flowering period, and various varieties. It is known as the darling of flowers. Dahlia is a natural interspecies...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01H4/00A01G31/00
Inventor 不公告发明人
Owner 济南怡然苗木种植有限公司
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