Tomato grafting method for plant factory

A tomato and factory technology, applied in botany equipment and methods, grafting, planting substrates, etc., can solve the problems of tomato grafting with long seedling emergence time and low yield, and achieve the advantages of high-value seedling production, well-developed root system, and time-saving seedling cultivation Effect

Pending Publication Date: 2022-04-12
FUJIAN SANAN SINO SCI PHOTOBIOTECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] For this reason, it is necessary to provide a tomato grafting method in a plant factory t

Method used

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  • Tomato grafting method for plant factory
  • Tomato grafting method for plant factory
  • Tomato grafting method for plant factory

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] 1. Seed soaking: Soak the seeds in water at a constant temperature of 50-55°C for 10-30 minutes, then rinse with pure water 1-2 times, and then use absorbent cotton or absorbent paper to absorb the moisture on the surface of the seeds, so that the seeds are not sticky and easy to sow.

[0029] 2. Substrate preparation: The ratio of the sowing medium is as follows: the proportion of peat soil is 50-70%, and the proportion of perlite is 30-50%. The sowing medium can be selected from Table 1 for experimentation. Peat soil plays the role of fixing and providing nutrients. Perlite increases the air permeability of the matrix. When the proportion of peat in the matrix ratio is too high, the transpiration of the matrix water will be slow, and the root system of the plant will absorb water faster, and it is easy to grow excessively between the nodes. Therefore, the proportion of peat soil should not be too high Generally, coal cinders and vermiculites are used to improve the air...

Embodiment 2

[0041] A kind of tomato grafting method of plant factory, differs from embodiment 1 in the following steps:

[0042] 2. The proportioning of the sowing medium selected in this embodiment is: 60% peat soil+40% perlite.

[0043] 3. Sowing: The scion is sown 3 days earlier than the rootstock.

[0044] 4. Seedling raising stage: The light intensity during the seedling raising stage is 300μmol / ㎡·s, and the light duration is 12h / d. The ambient temperature during the seedling cultivation period is: the concentration of carbon dioxide is 900ppm; the nitrogen in the seedling nutrient solution is 6.0mol / L, potassium 5mol / L, phosphorus 2mol / L, calcium 2.5mol / L, magnesium 1.5mol / L, iron 0.1mol / L, manganese 0.01mol / L, copper 0.001mol / L, boron 0.06mol / L, zinc 0.002mol / L, molybdenum 0.0005mol / L, sulfur 2.5mol / L.

[0045] 5. Grafting: After 23 days of scion sowing, grafting was performed 20 days after rootstock sowing.

Embodiment 3

[0047] 2. The proportioning of the sowing medium selected in this embodiment is: 50% peat soil+50% perlite.

[0048] 3. Sowing: The scion is sown 4 days earlier than the rootstock.

[0049] 4. Seedling raising stage: The light intensity during the seedling raising stage is 280μmol / ㎡·s, and the light duration is 16h / d. The concentration of carbon dioxide in the nursery stage is 1250ppm; the nitrogen in the seedling nutrient solution is 10.0mol / L, potassium 9.0mol / L, phosphorus 3.0mol / L, calcium 3.0mol / L, magnesium 2.0mol / L, iron 0.15mol / L, manganese 0.015mol / L, copper 0.001mol / L, boron 0.07mol / L, zinc 0.004mol / L, molybdenum 0.0006mol / L, sulfur 2.8mol / L.

[0050] 5. Grafting: After 22 days of sowing the scion, grafting was carried out 18 days after the rootstock was sown.

[0051] Seedling time and emergence survival rate of table 2 embodiment 1-3 different cultivation environments

[0052]

[0053] General conventional greenhouse grafting rootstock grows very slowly, in ...

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Abstract

The invention relates to the technical field of tomato grafting, and discloses a tomato grafting method for a plant factory, which is characterized in that each stage in the whole cycle process of tomato scion and stock growth and each link after grafting are accurately controlled; comprising the steps of seed treatment, sowing and germination acceleration, seedling raising light environment management, nutrient solution management, irrigation frequency management and seedling raising environment temperature control, scion seeds are sown 2-4 days earlier than stock seeds during tomato sowing, grafting is conducted when tomato scions are sown for 22-24 days, namely, when stocks are sown for 18-22 days, the grafting node reaches 3.0 mm, at the moment, 2-3 leaves of the scions are grafted, and the seedling raising light environment and nutrient solution management are conducted. And after 10-13 days of seedling recovery, the tomato grafted seedlings can emerge within 30-39 days by adopting the method. According to the method, the seedling emergence time of grafted seedlings is shortened, the rate is greatly increased, and benefits are increased.

Description

technical field [0001] The invention relates to the technical field of tomato grafting, in particular to a tomato grafting method in a plant factory. Background technique [0002] The seedling industry is an excellent industry with good economic value and high output value in the vegetable industry. The current intensive seedling supply in my country is about 200 billion plants, of which solanaceous seedlings account for 84.78%. The market is gradually tending to grafted seedlings. Tomato has the characteristics of wide adaptability, high yield, and rich nutrition. With the expansion of the grafted seedling market, tomato, as one of the main solanaceous varieties in China, has great demand potential. Traditional greenhouses And open-field grafted seedlings are restricted by factors such as seasons and technologies. It takes 50-60 days from seedling cultivation to grafting and emergence, and the annual output is small, which is difficult to meet market demand. Plant factory gra...

Claims

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Application Information

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IPC IPC(8): A01G2/30A01G31/00A01G24/28A01G24/15
Inventor 李晶康娟
Owner FUJIAN SANAN SINO SCI PHOTOBIOTECH CO LTD
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