Sunflower cut flower vase solution as well as use method and application thereof

Abstract

The invention relates to a sunflower cut flower vase solution as well as a use method and application thereof. The vase solution comprises a bactericide, an organic acid, a surfactant and water, and the bactericide is selected from at least one of sodium dichloroisocyanurate and aluminum sulfate; the organic acid is selected from at least one of citric acid and ascorbic acid. The invention also provides a method for carrying out vase preservation on the sunflower cut flowers by using the vase solution and application of the vase solution in vase preservation of the sunflower cut flowers. The vase solution can fully inhibit growth of bacteria, delay turbidity of the vase solution, promote water absorption and prolong the vase life of the sunflower cut flowers.

Description

Technical Field

[0001] The invention relates to the technical field of cut flower preservation, and in particular to a sunflower cut flower vase inserting liquid and a use method and application thereof. Background Art

[0002] Sunflower (Helianthus Annuus) is a plant of the genus Helianthus in the Asteraceae family, originating from North America. The growth cycle of sunflower is short, and it only takes about 70 days from sowing to harvesting. Although the color of sunflowers does not vary much, the color is bright and has high ornamental value, which is favored by many consumers. The main differences among ornamental sunflower varieties are the size of the flower, the color of the center of the flower, and the shape and number of petals.

[0003] However, sunflower cut flowers are a very special type of cut flower. When placed in a vase, the biggest problem is that the solution is easily turbid and has an odor, resulting in insufficient water absorption, premature wilting of the cut flowers, and change in flower color, which leads to a short viewing period and makes it difficult to extend its vase life.

[0004] CN201510561282.7 discloses a flower preservative, whose components are KNO3, NaCl, CaHPO4, sucrose, glycerol, and 3,3-dimethylcyclopropene (3,3-DMCP); and discloses that the preservative can be applied to roses, lilies, carnations, gerberas, chrysanthemums, and sunflowers. However, the preservative is not specifically used for preserving cut sunflowers, and it cannot solve the above-mentioned technical problems existing when cut sunflowers are placed in a vase.

[0005] Those skilled in the art know that vase liquids are generally developed according to the characteristics of different types of cut flowers. Using the existing vase liquids suitable for other cut flowers as vase liquids for sunflower cut flowers cannot effectively solve the above technical problems.

[0006] Therefore, it is very urgent to develop a special sunflower vase liquid that can effectively solve the above-mentioned problems of sunflower cut flowers.

[0007] In addition, on the one hand, there are differences in understanding among those skilled in the art; on the other hand, the applicant studied a large number of documents and patents when making the present invention, but due to space limitations, not all details and contents are listed in detail. However, this does not mean that the present invention does not have the characteristics of these prior arts. On the contrary, the present invention already has all the characteristics of the prior art, and the applicant reserves the right to add relevant prior art to the background technology. Summary of the invention

[0008] In view of the above technical problems existing in the process of vase insertion of cut sunflower flowers, the present invention provides a vase insertion liquid for cut sunflower flowers, which comprises a fungicide, an organic acid, a surfactant and water.

[0009] According to some preferred embodiments, the bactericide is at least one selected from sodium dichloroisocyanurate and aluminum sulfate.

[0010] According to some preferred embodiments, the fungicide is a combination of sodium dichloroisocyanurate and aluminum sulfate.

[0011] According to some preferred embodiments, the organic acid is at least one selected from citric acid and ascorbic acid.

[0012] According to some preferred embodiments, the organic acid is a combination of citric acid and ascorbic acid.

[0013] According to some preferred embodiments, the surfactant is Tween 20.

[0014] According to some preferred embodiments, the vial solution comprises 30-100 mg / L (e.g., 40, 50, 60, 70, 80 or 90 mg / L) of sodium dichloroisocyanurate, 50-100 mg / L (e.g., 60, 70, 80 or 90 mg / L) of aluminum sulfate, 100-500 mg / L (e.g., 200, 300 or 400 mg / L) of citric acid, 10-100 mg / L (e.g., 20, 50 or 80 mg / L) of ascorbic acid and 10-40 μl / L (e.g., 20, 25, 30 or 35 μl / L) of Tween 20.

[0015] According to some preferred embodiments, the vial solution comprises 30-100 mg / L sodium dichloroisocyanurate, 50-100 mg / L aluminum sulfate, 100-500 mg / L citric acid, 10-100 mg / L ascorbic acid, 10-40 μl / L Tween 20 and the balance water.

[0016] According to some more preferred embodiments, the vial solution comprises 50 mg / L sodium dichloroisocyanurate, 100 mg / L aluminum sulfate, 500 mg / L citric acid, 25 mg / L ascorbic acid, and 20 μl / L Tween 20.

[0017] According to some further preferred embodiments, the bottle insertion solution comprises 50 mg / L sodium dichloroisocyanurate, 100 mg / L aluminum sulfate, 500 mg / L citric acid, 25 mg / L ascorbic acid, 20 μl / L Tween 20 and the balance water.

[0018] The present invention provides in a second aspect a method for using the bottle insertion solution according to the first aspect of the present invention, characterized in that the method comprises:

[0019] (1) preparing the bottle insertion liquid according to the first aspect of the present invention and pouring it into a bottle insertion container;

[0020] (2) The lower leaves of the cut sunflower are removed, and the terminal flower stem is cut off by diagonally cutting in water by 3 to 5 cm, and then inserted into the vase container containing the vase liquid.

[0021] The third aspect of the present invention provides the use of the vase liquid described in the first aspect of the present invention in the preservation of cut sunflower flowers.

[0022] According to some preferred embodiments, the sunflower cut flowers after vase insertion can be placed in an environment with a temperature of 20-25° C. and a relative humidity of 60%-70%.

[0023] Compared with the prior art, the advantages of the present invention include:

[0024] (1) The sunflower cut flower vase liquid of the present invention can delay the wilting of petals and leaves, thereby extending the vase life of sunflowers.

[0025] (2) The sunflower cut flower vase liquid of the present invention has excellent sterilization effect, can keep the vase liquid clear during the vase insertion process, and has no odor caused by stem corruption, thereby improving the viewing experience of sunflowers.

[0026] (3) The sunflower cut flower vase liquid insertion method of the present invention has low cost and is easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 The water absorption of each example is shown as a function of the number of days of bottle placement.

[0028] Figure 2 The change of OD600 at different vase insertion time is shown. Among them, Comparative Example 1 (i.e., the control group) lost its ornamental value on the 7th day, so the change of OD600 of the control group was no longer detected on the 9th day.

[0029] Figure 3 This is a photograph of Comparative Example 1 at day 7 after vase insertion.

[0030] Figure 4 This is a photo of Example 1 at day 7 of vase insertion.

[0031] Figure 5 This is a photo of Example 2 at day 7 of vase insertion.

[0032] Figure 6 This is a photo of Example 3 at day 7 of vase insertion.

[0033] Figure 7 This is a photo of Example 4 at day 7 of vase insertion. DETAILED DESCRIPTION

[0034] The present invention will be described below by way of examples, but the protection scope of the present invention is not limited to these examples.

[0035] Example 1

[0036] The present embodiment provides a sunflower cut flower vase liquid, which comprises 100 mg / L sodium dichloroisocyanurate, 100 mg / L aluminum sulfate, 500 mg / L citric acid, 50 mg / L ascorbic acid, 40 μl / L Tween 20 and the balance water.

[0037] The preparation method of the vase liquid is as follows: adding the above components into tap water, stirring evenly until dissolved, and obtaining the sunflower cut flower vase liquid.

[0038] Fresh cut sunflowers purchased from the flower market were used as the experimental flowers. The lower leaves were removed and the terminal flower stems were cut diagonally to 4 cm in water.

[0039] Each treatment group was set up with 3 bottles, each bottle had 2 cut flowers, the ambient temperature was maintained at 22℃±2℃, and the relative humidity was 60-70%. The ornamental quality of the cut flowers was evaluated every day.

[0040] Determination of water absorption: weigh the weight of the bottle and the bottle every day, record it as W a . Water absorption (gg -1 d -1 )=(W a -W a+1 ) / W0. Where W a+1 W a W0 is the value of the last day, and W0 is the initial weight of the cut flowers in each vase on the day of vase insertion.

[0041] OD600 value of bacterial concentration in bottle culture solution: The concentration of bacterial culture solution is measured by the absorbance of bacteria, thereby estimating the bacterial growth.

[0042] Evaluation method for vase life: When the flowers wilt to the point of losing their ornamental value, the vase life of the cut flowers is considered to have ended, that is, the number of days from the date of vase placement to the end of the cut flower's vase placement.

[0043] The measured index value of each treatment group is the average measured value of the cut flowers in that treatment group.

[0044] The results are shown in Table 1. The average vase life of the sunflower cut flowers was 8.2 days when the vase liquid of the sunflower cut flowers of this embodiment was used for vase placement. From the 5th day, the stems gradually changed color and deepened, and the edges of some of the lower leaves dried up. Since a lot of leaves were retained in the experiment, the dried leaves in this part can be removed to reduce the impact on the ornamental value.

[0045] Table 1

[0046]

[0047] The inventors of the present invention have tried a flower preservative disclosed in CN201510561282.7 in preliminary experiments, but it was not possible to prevent the problem of turbidity and odor of the solution, and the flowers wilted prematurely due to insufficient water absorption.

[0048] Therefore, the inventors used the following vase liquid as a control group in Comparative Example 1: 50 mg / L aluminum sulfate, 250 mg / L citric acid, 20 μl / L Tween 20 and the rest water for vase insertion, and the results are shown in Table 2. The average vase life of the sunflower cut flowers in Comparative Example 1 was 6.6 days. Comparative Example 1 was turbid from the third day, became opaque on the fifth day, and had a layer of bacterial film on the vase wall. The water absorption of Comparative Example 1 was relatively low throughout the vase insertion period.

[0049] Table 2

[0050]

[0051] Comparing the experimental results of the experimental group in Table 1 and the comparative example 1 in Table 2, it can be seen that the vase liquid of the experimental group is not turbid, but the stems are obviously discolored, indicating that the higher concentration of fungicide has played a role, but has a certain toxic effect on the stems; the water absorption capacity of the cut flowers during the vase period is higher than that of comparative example 1. The vase life of the experimental group is extended by 1.6 days, that is, the vase life of the cut flowers in the experimental group is extended by 24% relative to comparative example 1.

[0052] Example 2

[0053] This embodiment is a further improvement on Embodiment 1, and the repeated contents will not be repeated here.

[0054] This embodiment provides a sunflower cut flower vase liquid, comprising 50 mg / L sodium dichloroisocyanurate, 50 mg / L aluminum sulfate, 250 mg / L citric acid, 25 mg / L ascorbic acid, 20 μl / L Tween 20 and the balance water. That is, the formula in Example 1 is diluted 1 time.

[0055] The experimental results of using the vase liquid provided in this embodiment to vase cut flowers are shown in Table 3. The vase liquid is slightly turbid after 5 days, and the stems do not change color. The effect of sunflower cut flowers absorbing water is similar to that in Example 1. The average lifespan of sunflowers is 8.5 days, which is 29% longer than that in Comparative Example 1.

[0056] Table 3

[0057]

[0058] By comparing the experimental results of the experimental groups in Table 3 and Table 1 and Comparative Example 1 in Table 2, it can be concluded that reducing the concentration of the vase liquid can reduce the discoloration of the stems, and the water absorption and vase life do not change significantly. The vase liquid becomes slightly turbid in the later stage of vase insertion.

[0059] Example 3

[0060] This embodiment provides a sunflower cut flower vase solution, including 50 mg / L sodium dichloroisocyanurate, 100 mg / L aluminum sulfate, 250 mg / L citric acid, 25 mg / L ascorbic acid, and 20 μl / L Tween 20. That is, the aluminum sulfate concentration is increased to the concentration of Example 1.

[0061] The experimental results of using the vase liquid provided in this embodiment to vase cut flowers are shown in Table 4. The vase liquid is relatively clear and the stems do not have obvious discoloration. The water absorption capacity of the sunflower cut flowers is increased, and the average life span is 9.3 days, which is 41% longer than that of Comparative Example 1.

[0062] Table 4

[0063]

[0064] Comparing the formulas and experimental results of Examples 1, 2, and 3 with those of Comparative Example 1, it can be seen that when the content of sodium dichloroisocyanurate is 50 mg / L and aluminum sulfate is 100 mg / L in the bottle insertion solution, the bactericidal effect and toxic side effects are relatively balanced.

[0065] Example 4

[0066] The present embodiment provides a sunflower cut flower vase liquid, which comprises 50 mg / L sodium dichloroisocyanurate, 100 mg / L aluminum sulfate, 500 mg / L citric acid, 25 mg / L ascorbic acid, 20 μl / L Tween 20 and the balance water.

[0067] The experimental results of using the vase liquid provided in this embodiment to vase cut flowers are shown in Table 5. The water absorption capacity of the sunflower cut flowers is further increased, and the average lifespan is 10.2 days, which is 55% longer than that of Comparative Example 1.

[0068] Table 5

[0069]

[0070] Comparing the experimental results of Example 3 and Example 4, it can be seen that by increasing the concentration of citric acid in the vase liquid, the water absorption of Example 4 is significantly increased, and the vase life is further extended.

[0071] The formula concentrations of the bottle insertion solutions of Comparative Example and Examples 1-4 (the balance is water) are shown in Table 6.

[0072] Table 6

[0073]

[0074] Comparing the experimental results of the experimental groups of Example 1, Example 2, Example 3 and Example 4, it can be concluded that the formula of the vase liquid of Example 4 has the best effect of promoting water absorption of sunflower cut flowers and extending the vase life, and extends the life of sunflower by 55% compared with Comparative Example 1. Comparing the experimental results of the experimental groups of Example 4 and Example 3, it can be concluded that increasing the amount of citric acid in the vase liquid formula of Example 4 can promote water absorption and extend the vase life of cut flowers. Comparing the experimental results of the experimental groups of Example 3, Example 2 and Example 1, it can be concluded that sodium dichloroisocyanurate and aluminum sulfate can effectively inhibit the growth of bacteria in the vase liquid of sunflower cut flowers, but when the concentration of sodium dichloroisocyanurate is too high, the sunflower stems will change color and have certain toxic side effects.

[0075] The above results can be found in the attached Figures 1 to 7 .

[0076] It should be noted that the above-mentioned specific embodiments are exemplary, and those skilled in the art can come up with various solutions inspired by the disclosure of the present invention, and these solutions also belong to the disclosure scope of the present invention and fall within the protection scope of the present invention. Those skilled in the art should understand that the present invention specification and its drawings are illustrative and do not constitute a limitation of the claims. The scope of protection of the present invention is defined by the claims and their equivalents. The present invention specification contains multiple inventive concepts, such as "preferably", "according to a preferred embodiment" or "optionally", all of which indicate that the corresponding paragraph discloses an independent concept, and the applicant reserves the right to file a divisional application based on each inventive concept. Throughout the text, the features guided by "preferably" are only an optional method and should not be understood as being required. Therefore, the applicant reserves the right to abandon or delete the relevant preferred features at any time.

Claims

1. A sunflower cut flower vase liquid, characterized in that: The bottle insertion solution comprises a bactericide, an organic acid, a surfactant and water, wherein: The bactericide is at least one selected from sodium dichloroisocyanurate and aluminum sulfate; The organic acid is at least one selected from citric acid and ascorbic acid.

2. The bottle insertion liquid according to claim 1, characterized in that: The surfactant is Tween 20.

3. The bottle insertion liquid according to claim 1 or 2, characterized in that: The bactericide is a combination of sodium dichloroisocyanurate and aluminum sulfate.

4. The bottle insertion liquid according to any one of claims 1 to 3, characterized in that: The organic acid is a combination of citric acid and ascorbic acid.

5. The bottle insertion liquid according to any one of claims 1 to 4, characterized in that: The vial solution comprises the bactericide, the organic acid, a surfactant and the balance of water.

6. The bottle insertion liquid according to any one of claims 1 to 5, characterized in that: The bottle insertion solution contains 30-100 mg / L sodium dichloroisocyanurate, 50-100 mg / L aluminum sulfate, 100-500 mg / L citric acid, 10-100 mg / L ascorbic acid and 10-40 μl / L Tween 20.

7. The bottle insertion liquid according to any one of claims 1 to 6, characterized in that: The bottle insertion solution contains 30-100 mg / L sodium dichloroisocyanurate, 50-100 mg / L aluminum sulfate, 100-500 mg / L citric acid, 10-100 mg / L ascorbic acid, 10-40 μl / L Tween 20 and the balance of water.

8. The bottle insertion liquid according to any one of claims 1 to 7, characterized in that: The bottle insertion solution comprises 50 mg / L sodium dichloroisocyanurate, 100 mg / L aluminum sulfate, 500 mg / L citric acid, 25 mg / L ascorbic acid, and 20 μl / L Tween 20; preferably, the bottle insertion solution further comprises a balance of water.

9. A method for preserving cut sunflower flowers in a vase, characterized in that: The method comprises: (1) preparing the bottle insert liquid according to any one of claims 1 to 8 and pouring it into a bottle insert container; (2) The lower leaves of the cut sunflower are removed, and the terminal flower stem is cut obliquely by cutting it in water by 3 to 5 cm, and then inserted into the vase container containing the vase liquid.

10. Use of the vase liquid according to any one of claims 1 to 8 in preserving cut sunflower flowers.

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