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Citrus germination accelerating device and hydroponic culture seedling raising method

A germination and seed technology, applied in the field of citrus seed germination device and water culture seedlings, can solve problems such as rot, complicated management process, and no large-scale application

Active Publication Date: 2019-05-03
CITRUS RES INST OF CHINESE ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because citrus is a perennial woody plant, its root system is suitable for an environment with sufficient oxygen and rich beneficial microbial populations. Citrus hydroponics is relatively difficult, and there are still no successful cases and large-scale applications at home and abroad.
The biggest problem in citrus hydroponics is the problem of root rot. Air pumps are often used to add oxygen and root disinfection. However, after a long period of hydroponics, the problem of root rot cannot be avoided, and the management process is complicated and requires high equipment requirements.

Method used

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  • Citrus germination accelerating device and hydroponic culture seedling raising method
  • Citrus germination accelerating device and hydroponic culture seedling raising method
  • Citrus germination accelerating device and hydroponic culture seedling raising method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] (1) Pre-treatment of seeds: in October 2016, the mature fruits of Hovenia trifoliate were collected, 1kg of seeds were mixed with 200g of slaked lime and 50mL of water, washed by rubbing, the surface pectin was removed, and then the lime was rinsed with water to obtain clean seeds; The seeds were placed in a 52°C water bath for 10 minutes, then transferred to a solution with a pH of 11 and a sodium hypochlorite concentration of 2.5%, treated at 37°C for 20 minutes, and finally the inner and outer testa were removed by hand rubbing.

[0041] (2) Sowing and accelerating germination: 300 of the above-mentioned pretreated seeds were sown to the attached figure 2 In the box shown, add 900mL of water to each box, wrap the seeds with clean filter paper and ensure that the filter paper touches the water surface to keep the filter paper moist, and then cover the seed box with a plastic cover to keep the humidity above 80%, at 28°C Germinate until 2-4 true leaves grow.

[0042]...

Embodiment 2

[0055] Except that the seeds in the mature fruit of Ziyang orange collected in October, 2016 were selected, all the other conditions were the same as in Example 1.

[0056] When sowing for 20 days and 30 days, the germination rate was counted; when the hydroponic culture was 60 days and 90 days, the root rot rate and average plant height were counted, and the results are shown in Table 2.

Embodiment 3

[0067] Using the same operating method as in Example 1, the seeds of Tangerine, Shatian Pomelo, Carrizo Citrange, Hamlin Sweet Orange, and Golden Orange were selected as materials for hydroponic cultivation. The test results are shown in Table 3 below:

[0068] Table 3 Germination rate, root rot rate and average plant height of different citrus hydroponics

[0069]

[0070] The result shows, adopt embodiment 3 method to carry out the tangerine, Shatian pomelo, Carrizuo citrange, Hamlin sweet orange, golden orange seed hydroponic culture, 30 days germination rate can reach 92.3~97.3%, 90 days rot root rate only 6.3 to 12.3%.

[0071] The invention provides a citrus germination accelerating device and a water seedling cultivation method thereof. The water seedling cultivation carried out by the device of the invention can reach a germination rate of 92.3-97.3% in 30 days, and a root rot rate of only 6.3-12.3% in 90 days. The method of the invention realizes the hydroponics o...

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Abstract

The invention provides a citrus germination accelerating device and a hydroponic culture seedling raising method, and relates to the technical field of crop planting. The device comprises a box body (1) and a cover body (2); the top of the box body (1) is provided with an opening; the cover body (2) covers the box body (1); holes (3) are uniformly formed in the cover body (2). The device is used for hydroponic culture seedling raising, the 30-day germination rate can reach 92.3-97.3%, and the 90-day root rotting rate is only 6.3-12.3%. According to the method, citrus hydroponic culture under the non-aerobic condition is realized, and the problem of root rotting in the long-time citrus hydroponic culture is solved.

Description

technical field [0001] The invention belongs to the technical field of crop planting, and in particular relates to a device for accelerating germination of citrus seeds and a method for cultivating seedlings in water. Background technique [0002] Citrus is a perennial woody fruit tree. In 2016, the planting area of ​​citrus in my country reached more than 38 million mu, ranking first among fruit trees. It is the main source of income for farmers in southern mountainous areas of my country. Citrus is composed of underground rootstock and aboveground scion varieties, which need to be propagated by grafting to maintain variety characteristics and early flowering and fruiting. Citrus sowing and seedling cultivation are mainly used for rootstock propagation, seedling raising and scientific research. The general practice of citrus sowing and seedling cultivation is to sow the seeds in loose and air-permeable soil, and transplant them to containers or fields after growing to a ce...

Claims

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Application Information

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IPC IPC(8): A01C1/02A01G31/00
Inventor 付行政彭良志凌丽俐曹立淳长品何义仲
Owner CITRUS RES INST OF CHINESE ACAD OF AGRI SCI
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