A hydroponic solution and hydroponic method for begonia

Abstract

The present invention relates to a hydroponic solution and a hydroponic method for begonia. The hydroponic solution includes an auxin, wherein the auxin is indoleacetic acid, and the concentration of the indoleacetic acid is 10 mg / L. The auxin can enable begonia to generate a rich root system and luxuriant branches and leaves, which is beneficial to vegetative growth and improves the hydroponic survival rate. The hydroponic solution of the present invention is used to hydroponic begonia, specifically including the steps of seedling removal and root disinfection, tap water acclimation, hydroponic rooting, nutrient solution cultivation, etc. The cultivation method has low cost, simple operation, high survival rate, and is suitable for courtyard and indoor home delivery viewing, thereby improving people's life taste.

Description

Technical Field

[0001] The invention belongs to the technical field of hydroponics, and in particular relates to a hydroponic solution and a hydroponic method for begonia. Background Art

[0002] Hydroponic flowers are a new generation of high-tech agricultural projects that use modern bioengineering technology, physical engineering, chemical engineering, and bioengineering methods to domesticate and induce ordinary flowers so that they can grow normally in water. It uses original modern biological improvement technology to domesticate, improve, and cultivate flowers that originally adapted to the growth of terrestrial environments through short-term scientific and technological domestication, improvement, and cultivation, so that they can quickly adapt to the growth of aquatic environments. Since Sachs and Knop of Germany successfully cultivated plants with nutrient solution from 1859 to 1865 and called it "water culture", a planting revolution has arisen. At present, only a few countries in the world, such as the Netherlands, are researching, developing, and planting hydroponic flowers. The relevant technologies used mainly include nutrient film cultivation, NFT deep liquid flow hydroponics, DFT mist cultivation, etc. However, the technical content and technical requirements of these technologies are relatively high, and they are more suitable for large-scale industrial production rather than for family cultivation.

[0003] As a new type of specialty flower, hydroponic potted flowers are clean, hygienic and easy to maintain, which can better meet the needs of consumers. Therefore, they have triggered a new revolution in flower consumption with their unique elegance and multiple functions. Begonia is a flower native to humid tropical and subtropical regions. It has strict requirements on environmental conditions, is not cold-resistant and afraid of heat. The suitable temperature for growth is 20℃-25℃. It will not grow well when it exceeds 25℃ or is lower than 1℃. At present, the cultivation of begonia mainly adopts soil culture. It requires slightly acidic sandy soil rich in humus, loose soil, and good drainage. Its demand for fertilizer varies according to seasonal changes. Considering the specific properties of begonia, the use of hydroponic methods can better provide more suitable conditions for its growth, especially for small-scale or family-style cultivation. Summary of the invention

[0004] In view of the above problems, the present invention provides a hydroponic solution and a hydroponic method for begonia.

[0005] The specific technical solution is:

[0006] A hydroponic solution for begonia comprises an auxin, wherein the auxin is indoleacetic acid, and the concentration of the indoleacetic acid is 10 mg / L.

[0007] Furthermore, a hydroponic solution for begonia also includes a nutrient solution, wherein the nutrient solution includes components of the following concentrations:

[0008] Ca(NO3 ) 2 ·4H 2 O 945 mg / L;

[0009] KNO 3 607mg / L;

[0010] (NH 4 ) 2 HPO 3 115mg / L;

[0011] MgSO 4 7H 2 O 493 mg / L;

[0012] EDTA-2NaFe 20mg / L;

[0013] H 3 BO 3 2.86mg / L;

[0014] MnSO 4 ·4H 2 O 2.13 mg / L;

[0015] ZnSO 4 7H 2 O 0.22mg / L;

[0016] CuSO 4 ·5H 2 O 0.08 mg / L;

[0017] (NH 4 ) 6 Mo 7 O 4 ·4H 2 0 0.02mg / L.

[0018] The present invention also provides a method for hydroponically growing begonia using the culture solution, comprising the following steps:

[0019] S1: Seedling removal and root disinfection: Select begonia seedlings, wash the roots with water, and then soak them in 0.05% potassium permanganate solution for 10 minutes;

[0020] S2: tap water acclimation: the initially treated begonia seedlings were planted in a transparent container, tap water was injected to 2 / 3 of the root system, and tap water acclimation was carried out for 4 days. During the acclimation process, the water was changed once a day, and daily maintenance was carried out to ensure that the environmental conditions were suitable for growth;

[0021] S3: Hydroponic rooting: soak the roots of the domesticated begonia seedlings in the auxin solution for 2 hours;

[0022] S4: Cultivation in nutrient solution. Take out the soaked begonia seedlings, clean them, and then put them into the nutrient solution for cultivation. Keep a 3cm air layer between the root and the liquid surface. Ensure air circulation and natural scattered light during the cultivation process.

[0023] Furthermore, the height of the begonia seedlings described in step S1 does not exceed 8 cm.

[0024] Furthermore, the hydroponic environment temperature is 20°C-25°C; the nutrient solution is changed once a week during the hydroponic process.

[0025] Beneficial effects of the present invention:

[0026] (1) The present invention mainly studies the effect of auxin on the root system and growth of begonia, and obtains the optimal concentration of auxin that is most conducive to its growth, which can enable begonia to generate abundant root systems and lush branches and leaves, is conducive to nutritional growth, and improves the survival rate of hydroponics.

[0027] (2) The present invention uses the above-mentioned nutrient solution to hydroponically culture begonias, which has low cost, simple operation, high survival rate, and is suitable for courtyard and indoor viewing, thereby improving people's life taste. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 This is a growth comparison diagram of the begonia of the present invention after being treated in a solution with an auxin (IAA) concentration of 20 mg / L (left figure) and 10 mg / L (right figure);

[0029] Figure 2 This is a data analysis chart showing the effect of different concentrations of auxin (IAA) on the root number of hydroponic begonia;

[0030] Figure 3 This is a data analysis chart showing the effect of different concentrations of auxin (IAA) on the average root length of Begonia;

[0031] Figure 4 This is a data analysis chart showing the effect of different concentrations of auxin (IAA) on the increment of begonia plant height;

[0032] Figure 5 This is a data analysis chart showing the effect of different concentrations of auxin (IAA) on the mass increment of Begonia plants;

[0033] Figure 6 This is a data analysis chart showing the effects of different concentrations of auxin (IAA) on the leaf increment of Begonia. Implementation

[0034] In order to make the technical problems and technical solutions solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0035] Example 1: Study on the root system of Begonia using auxin

[0036] This study selected healthy begonia plants without diseases or insect pests. The tap water used in the experiment was tap water that had been left standing for one day. The auxin used by begonia was indoleacetic acid (IAA).

[0037] Select begonia plants with basically the same growth, wash the roots with water, and then soak them in 0.05% potassium permanganate solution for 10 minutes for disinfection; plant the initially treated begonia seedlings in a transparent container, inject tap water to 2 / 3 of the root system, and domesticate them with tap water for 4 days. During the domestication process, change the water once a day, and perform daily maintenance to ensure that the environmental conditions are suitable for growth; then divide the domesticated begonia seedlings into 5 groups, and soak the roots of the plants in auxin solutions of different concentrations (10mg / L, 20mg / L, 40mg / L, 80mg / L) for 2 hours. Each group of experiments has 10 replicates, with tap water as the control treatment, and the control group has 5 replicates. After the soaking is completed, take it out and rinse it with clean water. After the treatment is completed, change it to 1 / 4 Hogland nutrient solution for cultivation, and change the nutrient solution once a week. Ensure air circulation and natural scattered light during the culture process, and the hydroponic environment temperature is 20℃-25℃.

[0038] The morphological indices were measured once every 20 days after transplantation into the nutrient solution. The measured morphological indices included root number, average root length, plant height increment, plant mass increment, and leaf increment. The data were analyzed for significant differences using Excel and Spss13.0 software.

[0039] Research Results and Analysis:

[0040] (1) Effects of different concentrations of auxin (IAA) on the root number of hydroponic begonia: Figure 2 As shown in the figure, the number of roots of begonia plants was different after being treated with different concentrations of IAA; when treated with 80 mg / LIAA, the number of roots was similar to that of tap water treatment, and there was no significant difference; when treated with less than 80 mg / LIAA, auxin had a significant promoting effect on the number of roots of begonia hydroponically, among which the number of roots in the 10 mg / L IAA treatment was the largest, followed by the 20 mg / L IAA treatment and the 40 mg / L IAA treatment, and there was no significant difference between the two concentrations. When the IAA concentration continued to increase, the rooting effect significantly deteriorated.

[0041] (2) Effects of different concentrations of auxin (IAA) on the average root length of Begonia: Figure 3 As shown, there were significant differences between the 10 mg / L IAA treatment and the tap water treatment, 20 mg / L IAA treatment, 40 mg / L IAA treatment, and 80 mg / L IAA treatment, but there was no significant difference between the 20 mg / L IAA treatment, 40 mg / L IAA treatment, 80 mg / L IAA treatment and tap water. It can be seen that IAA treatment within a certain concentration range can promote the increase in average root length, but with the increase of IAA concentration, the average root length decreased, but the effect of different high concentration IAA treatments on the average root length did not show significant differences.

[0042] (3) Effects of different concentrations of auxin (IAA) on the increase in plant height of Begonia: Figure 4 As shown in the data, different concentrations of IAA treatments had different effects on the increment of begonia plant height. When the IAA concentration was 10 mg / L and 20 mg / L, the begonia plants increased significantly, and the effect of 10 mg / LIAA treatment was better. When the concentration increased to 40 mg / L and 80 mg / L, the increment of begonia plant height decreased significantly, and there was no significant difference between the two high concentration treatments. It can be seen that high concentrations of IAA are not conducive to the increase of begonia plant height.

[0043] (4) Effects of different concentrations of auxin (IAA) on the mass increment of begonia plants: Figure 5 As shown in the data, begonia plants treated with 10 mg / LIAA had the highest plant mass increment of 6.43 g, and there was a significant difference between the treatments with other concentrations; however, there was no significant difference between the 20 mg / LIAA treatment and the 40 mg / L IAA treatment, the 40 mg / LIAA treatment and the 80 mg / L IAA treatment, and the 80 mg / LIAA treatment and the tap water treatment, that is, after the IAA concentration increases to a certain value, its concentration increases and the mass increment of begonia plants decreases.

[0044] (5) Effects of different concentrations of auxin (IAA) on the leaf increment of Begonia: Figure 6 As shown, the effect of different concentrations of IAA treatment on the increment of begonia leaves is similar to the trend of the effect of different concentrations of IAA treatment on the increment of plant weight. The increment of begonia leaves was the largest in the 10 mg / L IAA treatment, and it was significantly different from the effects of other treatments.

[0045] Based on the above research results, it can be seen that low concentration of auxin treatment can promote the rooting of hydroponic plants, while too high concentration has an inhibitory effect on plant rooting. The rooting effect and plant growth of begonias treated with 10 mg / LIAA and 20 mg / LIAA are better than those of the control, and the effect of 10 mg / L IAA treatment is better (see Figure 1 ).

[0046] According to Example 1, a hydroponic solution for begonia can be obtained, which includes auxin, wherein the auxin is indoleacetic acid, and the concentration of indoleacetic acid is 10 mg / L.

[0047] In addition, the hydroponic solution for begonia also includes nutrient solution, which is 1 / 4 Hoagland nutrient solution. See Table 1-2 for details.

[0048] Table 1: Macronutrient formula

[0049] Unit: mg / L

[0050]

[0051] Table 2: Trace element nutritional formula

[0052] Unit: mg / L

[0053]

[0054] Example 2: A method for hydroponically growing begonia using the above culture solution, comprising the following steps:

[0055] S1: Seedling removal and root disinfection: Select begonia seedlings, wash the roots with water, and then soak them in 0.05% potassium permanganate solution for 10 minutes;

[0056] S2: tap water acclimation: the initially treated begonia seedlings were planted in a transparent container, tap water was injected to 2 / 3 of the root system, and tap water acclimation was carried out for 4 days. During the acclimation process, the water was changed once a day, and daily maintenance was carried out to ensure that the environmental conditions were suitable for growth;

[0057] S3: Hydroponic rooting: soak the roots of the domesticated begonia seedlings in the auxin solution for 2 hours;

[0058] S4: Cultivation in nutrient solution. Take out the soaked begonia seedlings, clean them, and then put them into the nutrient solution for cultivation. Keep a 3cm air layer between the root and the liquid surface. Ensure air circulation and natural scattered light during the cultivation process.

[0059] The height of the begonia seedlings used for hydroponics should not exceed 8cm.

[0060] The hydroponic environment temperature is 20℃-25℃; the nutrient solution is changed once a week during the hydroponic process.

[0061] The present invention studies the effect of auxin (IAA) on the root system and growth of begonia, and obtains the optimal concentration of auxin that is most conducive to its growth, which can make begonia generate abundant root system and lush branches and leaves, which is conducive to vegetative growth and improves the survival rate of hydroponics. In addition, the present invention uses nutrient solution to hydroponically culture begonia, which has low cost, simple operation, high survival rate, and is suitable for courtyard and indoor home delivery viewing, thereby improving people's life taste.

[0062] The present invention is described in detail above through specific and preferred embodiments, but those skilled in the art should understand that the present invention is not limited to the embodiments described above, and any modifications, equivalent substitutions, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A hydroponic method for begonia, characterized in that: The steps include: S1: Seedling removal and root disinfection: Select begonia seedlings, wash the roots with water, and then soak them in 0.05% potassium permanganate solution for 10 minutes; S2: tap water acclimation: the initially treated begonia seedlings were planted in a transparent container, tap water was injected to 2 / 3 of the root system, and tap water acclimation was carried out for 4 days. During the acclimation process, the water was changed once a day, and daily maintenance was carried out to ensure that the environmental conditions were suitable for growth; S3: Hydroponic rooting: soak the roots of the domesticated begonia seedlings in the auxin solution for 2 hours. S4: Nutrient solution cultivation, take out the soaked begonia seedlings and wash them, then put them into the nutrient solution for cultivation, keep a 3cm air layer between the root and the liquid surface, and ensure air circulation and natural scattered light during the cultivation process; The auxin used in step S3 is indoleacetic acid, and the concentration of indoleacetic acid is 10 mg / L; The nutrient solution used in step S4 includes the following components: Ca(NO3)2·4H2O 945mg / L; KNO3 607mg / L; (NH4)2HPO3115mg / L; MgSO4·7H2O 493mg / L; EDTA-2NaFe 20mg / L; H3BO3 2.86mg / L; MnSO4·4H2O 2.13mg / L; ZnSO4·7H2O 0.22mg / L; CuSO4·5H2O 0.08mg / L; (NH4)6Mo7O4·4H20 0.02mg / L.

2. The hydroponic method of begonia according to claim 1, characterized in that: The height of the begonia seedlings described in step S1 does not exceed 8 cm.

3. The hydroponic method of begonia according to claim 1, characterized in that: The hydroponic environment temperature is 20℃-25℃; the nutrient solution is changed once a week during the hydroponic process.

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