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A kind of citrus seed accelerating germination device and water seedling cultivation method

A seed and germination technology, which is applied in the field of citrus seed germination device and water cultivation, can solve the problems of no large-scale application, high equipment requirements, and complicated management process

Active Publication Date: 2021-11-12
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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  • A kind of citrus seed accelerating germination device and water seedling cultivation method
  • A kind of citrus seed accelerating germination device and water seedling cultivation method
  • A kind of citrus seed accelerating germination device and water seedling cultivation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] (1) Pre-treatment of seeds: Collect mature fruits of Hovenia citrifolia in October 2016, mix 1 kg of seeds with 200 g of slaked lime and 50 mL of water, wash them with rubbing hands, remove pectin on the surface, and then rinse the lime with water to obtain clean seeds; Put the seeds in a water bath at 52°C for 10 minutes, then transfer them to a solution with a pH of 11 and a sodium hypochlorite concentration of 2.5%, treat them at 37°C for 20 minutes, and finally remove the inner and outer seed coats by hand.

[0042] (2) Sowing and accelerating germination: Sow 300 of the above-mentioned pre-treated seeds in 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 seeding box with a plastic cover to keep the humidity above 80%.

[0043] Germinate at 28°C until 2-4 true leaves grow.

[0044] (3) Hydroponi...

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

[0066] 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:

[0067]

[0068] The results show that the tangerine, pomelo pomelo, Carrizuo citrange, Hamlin sweet orange, and golden orange seeds hydroponically cultured by the method of embodiment 3 can reach 92.3~97.3% in 30 days, and the root rot rate in 90 days is only It is 6.3~12.3%.

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Abstract

The invention provides a citrus germination accelerating device and a water seedling cultivation method, which relate to the technical field of crop planting. The device of the present invention comprises a box body (1) and a cover body (2), the top of the box body (1) is open, and the cover body (2) is closed on the box body (1); the cover Holes (3) are evenly opened on the body (2). In the hydroculture seedlings carried out by the device of the invention, the germination rate can reach 92.3-97.3% in 30 days, and the root rot rate in 90 days is only 6.3-12.3%. The method of the invention realizes the hydroponics of citrus under the condition of not adding oxygen, and solves the problem of root rot of citrus in the long-term hydroponics process.

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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Patent Type & Authority Patents(China)
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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