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Forcing cultivation technology for greenhouse potted rosa chinensis minima cutting seedlings

A technology for promoting cultivation and cutting seedlings, which is applied in the field of promoting cultivation of potted mini rose cutting seedlings in greenhouses. It can solve problems such as inconsistent development progress, broken and dropped roots, and slow seedling growth, so as to achieve uniform growth and development progress, improved uniformity, Early sprouting effect

Active Publication Date: 2020-02-18
东莞市粮作花卉研究所
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, for the factory production of potted mini roses, the traditional cutting propagation has the following disadvantages: First, for the pretreatment of cuttings, the traditional method of soaking the base of cuttings in rooting agent for a long time is not suitable for mini roses Yes, because the cuttings of miniature roses are too short, it is difficult to tie them; secondly, if the traditional method of first cutting in the plug and then potting is adopted, the finished product is 4 to 6 plants per pot, which is difficult to pot and may easily cause new shoots In addition, the traditional cutting propagation still has problems such as low survival rate, slow seedling growth, and inconsistent development progress.
In addition, if the air humidity is low during the rooting process, it is easy to cause yellowing of the old leaves of the cuttings, reducing the photosynthetic capacity of the cuttings, which in turn affects the germination of new shoots and the process of leaf expansion, and even causes the death of cutting seedlings, which eventually leads to slow growth of cutting seedlings. not neat
At present, the factory cutting propagation of miniature roses mainly adopts the full-light spraying method, but this method requires a large one-time production investment, which limits the production of cutting propagation
In recent years, the industrial seedlings of mini roses have all adopted the direct cutting method in flower pots, but this method requires high technical requirements, and it is difficult to ensure that the cutting seedlings in each pot have the same development progress
[0004] At present, there is a lack of a simple and effective method that can effectively advance the seedling time of cutting seedlings, improve the uniformity and commodity rate of potted flowers, reduce labor input costs and save time without full-light spray facilities. Cutting Propagation Method of Potted Mini Rose Seedlings

Method used

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  • Forcing cultivation technology for greenhouse potted rosa chinensis minima cutting seedlings
  • Forcing cultivation technology for greenhouse potted rosa chinensis minima cutting seedlings
  • Forcing cultivation technology for greenhouse potted rosa chinensis minima cutting seedlings

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0055] 1. Test method

[0056] The test was carried out in November 2018. During the test period, the temperature in the greenhouse was 11-32°C during the day and 11-24°C at night. The method for promoting the cultivation of potted miniature Chinese rose cutting seedlings comprises the following steps:

[0057] (1) Selection of cuttings. Select the semi-lignified branches of miniature rose varieties 'Huoying' and 'Fenjiaren' with a thickness of about 2-3 mm that grow uniformly, and cut the stem segment with a length of about 3 cm in the middle as cuttings, and keep 1 piece on the cuttings. Complete compound leaves with 5 leaflets.

[0058] (2) For cuttings treatment, quickly dip the cuttings into a mixture consisting of 50 ppm indolebutyric acid, 50 ppm naphthalene acetic acid, 18.75 ppm metalaxyl and 12.5 ppm fludioxonil disinfectant. Then its cutting is placed in the plastic flower pot of 110mm in diameter, and 5 cuttings are inserted in every pot.

[0059] (3) Cutting su...

Embodiment 2

[0072] 1. Experimental method

[0073] The experiment was carried out in May 2019. First, the miniature rose semi-lignified branches of the 'Red Lover' variety with a thickness of about 2 to 3 mm were selected, and the middle part of the stem with a length of about 3 cm was cut as cuttings, and one piece was kept intact on the cuttings. The compound leaves with 5 leaflets are 0.3-0.5cm away from the top of the cuttings, and the cuttings are cut in a substrate with a volume ratio of peat and perlite of 5:1, and 5 cuttings are inserted in each pot. Cuttings were cut according to the following experimental scheme. In this experiment, five treatments were set up, and a completely random design was adopted. Each treatment had 8 pots and was repeated three times, that is, each treatment had a total of 120 cuttings. After cutting, place all the cutting seedlings on a 2-layer 30g / m2 2 Seedbeds of non-woven mulch.

[0074] Treatment 1: Use 18.75ppm of metalaxyl and 12.5ppm of fludio...

Embodiment 3

[0109] 1. Experimental method

[0110] First select the 'Red Lover' miniature rose semi-lignified branches with a uniform thickness of about 2 to 3 mm, cut the stem section with a length of about 3 cm in the middle as cuttings, and keep a complete compound leaf with 5 leaflets on the cuttings. The compound leaves are 0.3-0.5cm away from the top of the cuttings, and the cuttings are placed in a substrate with a volume ratio of peat and perlite of 5:1, and 5 cuttings are inserted in each pot. Cuttings were cut according to the following experimental scheme. Two treatments were set up in this experiment, and a completely random design was adopted. Each treatment had 8 pots and was repeated three times, that is, a total of 120 cuttings per treatment. After cutting, place all the cutting seedlings on a 2-layer 30g / m2 2 Seedbeds of non-woven mulch.

[0111] Treatment 1: The cuttings are quickly dipped in the mixture of 50ppm indolebutyric acid, 50ppm naphthalene acetic acid, 18.7...

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Abstract

The invention discloses a forcing cultivation technology for greenhouse potted rosa chinensis minima cutting seedlings. The technology comprises the following steps: rosa chinensis minima cuttings aredisinfected by using 50 ppm of indolebutyric acid, 50 ppm of naphthylacetic acid, metalaxyl-M and fludioxonil, and the disinfected cuttings are subjected to cuttage in a mixed substrate of peat and perlite in volume ratio of (4-5):1, wherein the substrate needs to be disinfected by using a disinfectant liquid containing 0.08 ppm of brassinolide; after cuttage is performed, a flower pot is coveredwith a non-woven mulching film for moisturizing, a small plastic arch shed is constructed further moisturizing, and when new sprouts start to frondesce, the non-woven fabric mulching film is peeled off; and the interior of the small arch shed maintains full light and natural temperature. The forcing cultivation method for the rosa chinensis minima cutting seedlings provided by the invention is simple, efficient and low-cost, and meets the needs of factory production of the potted rosa chinensis minima; and by using the method, roots appears 10 to 12 days after cuttage, the cutting seedlings are rooted quickly and neatly, the root quantity is large, especially the quantity of secondary roots is large, the new sprouts have early germination, the cuttage survival rate is high, and the regularity of potted flowers is improved.

Description

technical field [0001] The invention relates to the technical field of plant planting, and more specifically relates to a technique for promoting the cultivation of potted miniature Chinese rose cutting seedlings in a greenhouse. Background technique [0002] Miniature rose (Rosa chinensis minima) is a special species in the rose family. It has a short plant shape, many flower heads, and the flowering period of a single flower can reach 10 to 30 days. It is very popular in the flower market at home and abroad. Cutting propagation is the main method of rose propagation. Seedlings propagated by cutting have a longer life span than grafted seedlings and are easy to operate. [0003] However, for the factory production of potted mini roses, the traditional cutting propagation has the following disadvantages: First, for the pretreatment of cuttings, the traditional method of soaking the base of cuttings in rooting agent for a long time is not suitable for mini roses Yes, because...

Claims

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Application Information

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IPC IPC(8): A01N43/38A01N37/10A01N37/46A01N43/36A01P21/00A01G2/10A01G31/00
CPCA01N43/38A01N37/10A01N37/46A01N43/36A01G2/10A01G31/00
Inventor 王燕赖永超王亚平王燕君张广燕王鸿昌
Owner 东莞市粮作花卉研究所
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