JPH11240805A - Bacterium/fungus-and alga-controlling material for plant, vegetation structure, prevention of growth of bacterium/fungus and alga, and bacterium/fungus-and alga-controlling agent for plant - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a bacterium/fungus- and alga-controlling material for plant which consists of chips molded with rubber or plastic preventing growth of bacterium/fungus and alga by placing around the plant, and allows prevention of disease injury of plants without directly scattering an agent and does not allow either outflow or dispersion of an agent. SOLUTION: This material consists of chips molded with rubber or plastic such as ethylenepropylene rubber, and prevents growth of bacterium/fungus and alga by placing around a plant. It is preferable that the chip contains at least one of zinc flower, stearic acid, an activating agent, and a processing material, a filler material, a vulcanizing accelerator, a resin, an adhesive supplementary agent, and sulfur, as well as at least one kind of agrochemical selected from antibacterial/antifungal agents, bactericide/fungicides, insecticides, herbicides, plant hormones, and repellants, It is preferable that the chip has a true specific gravity of 0.5-4.0 and a volume of 0.00005-3.0 cm<3> .

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to an antibacterial alga member for plants. In addition, the present invention relates to a vegetation structure in which antibacterial algal members for plants are arranged, and a method for suppressing the growth of fungal algae by arranging such antibacterial algal members for plants. Especially,
The present invention relates to preventing disease of a lawn or a plant and suppressing growth of fungal algae in a golf course, a sports stadium, or the like, a plant pot, or the like.

[0002]

2. Description of the Related Art Conventionally, lawn diseases have been treated by spraying chemicals at the time of the disease occurrence to cure the lawn diseases or, in severe cases, replanting the lawn.
There is no particular preventive method for algae, and the generation of algae is prevented by treatment such as drying as much as possible. Further, potted plants such as ornamental plants cause diseases at home and the like. In such a case, there is a method of curing the disease by spraying chemicals as in the case of lawn, but in most cases, the disease is withered as it is.

Conventionally, the following means have been used in lawn disease control methods when roughly classified. (1) Chemical methods for treating and preventing turf diseases with chemicals, (2) Physical methods for disinfection of turf with heat, light, etc., renewing turf and removing organic residues, (3) ) Biological methods include the use of biological pesticides, organic matter, etc.
(4) Cultivation methods such as improving aeration and water permeability.

As the lawn pathogens, Fusarium, Pissum, Rhizoctonia, Sclerotinia, and the like are typically known. As a method of controlling turf diseases caused by these pathogenic bacteria, a method of spraying a chemical suitable for controlling the bacteria by a chemical method has become mainstream at present.

[0005]

In such a conventional method of spraying a medicine, the medicine must be diluted and sprayed on a lawn by spraying or the like. In addition, the sprayed medicine may run off, flow out, or scatter when it rains, wind blows, or adheres to shoes when a person passes over it. For this reason, this method of spraying a medicine has a very small effect, takes much time for dilution, etc., and has many problems such as scattering of the medicine due to the wind at the time of spraying. In addition, such a method is also a problem of pollution in part.

[0006] As described above, there are various restrictions in responding to plant diseases with conventional drugs. This is because there is a limit to the use of chemicals due to restrictions on the amount of chemicals used and problems such as chemical damage. In addition, the use of chemicals may cause harm to humans and animals and should be avoided as much as possible.

[0007] However, in order to prevent plant diseases, drugs have a tremendous effect in practice and must rely on them.
In such a case, it is conceivable to use a chemical having a special antibacterial action. However, products having such special antibacterial properties are expensive in terms of cost and are currently difficult to use in large areas.

An object of the present invention is to solve the problems of conventional chemicals and the like and to develop a method for controlling plant diseases without directly spraying the chemicals.

[0009]

SUMMARY OF THE INVENTION The present invention relates to a plant antibacterial algal member comprising a chip molded from rubber or plastic, and by arranging the plant antibacterial algal member around a plant, the propagation of fungal algae. Is suppressed.

The disease control treatment for turf in which chemicals are sprayed takes time and labor such as dilution and spraying, and it is not possible to spray an appropriate amount of chemicals in a desired range. Further, the chemicals after being sprayed easily flow out by being exposed to the wind and rain, which causes environmental pollution. For this reason, the present inventor studied alternative means of spraying a medicine.

Surprisingly, the present inventor has found that chips formed of rubber or plastic exhibit antibacterial and antialgal effects on turf. Furthermore, the present inventor has conducted intensive studies, and as a result, has found that such a chip, by itself, suppresses the growth of fungal algae and sustains this antibacterial algal action, leading to the present invention.

The antibacterial and antialgal effects of the antibacterial alga member for plants of the present invention can be obtained without adding a special antibacterial agent or a bactericide. If the antibacterial algal member for plants of the present invention is arranged so as to be in direct contact with soil as a plant growth base, the growth of fungal algae is remarkably suppressed.

The antimicrobial algae member for plants of the present invention does not require complicated operations such as the conventional spraying method of chemicals, and is arranged around a plant, particularly, so as to be in direct contact with the growth base of the plant. By doing so, turf diseases can be effectively controlled. ADVANTAGE OF THE INVENTION According to this invention, the chemical disease control effect of a plant can be obtained relatively easily, and the effect can be maintained over a long period of time.

[0014]

BEST MODE FOR CARRYING OUT THE INVENTION The antibacterial algae member for plants of the present invention can be produced by processing and molding raw materials usually used in the rubber or plastic industry. The antibacterial alga member for plants of the present invention contains at least one component selected from the group consisting of zinc white, stearic acid, an activator, a processing aid, a filler, a vulcanization accelerator, a resin, an adhesion aid and sulfur. Is preferred. Further, these components preferably have the following compounding ratio.

At least one kind of rubber or polymer 100 parts by weight Zinc white 2-7 parts by weight Stearic acid 0.5-2 parts by weight Activator 0.3-5 parts by weight Filler 10-800 parts by weight Process oil 5-50 Parts by weight Pigment 1 to 10 parts by weight Vulcanization accelerator 0.5 to 5 parts by weight Sulfur 0.1 to 7 parts by weight

As the above-mentioned components, those usually used in the rubber or polymer industry, for example, the tire industry can be used. Chips containing any of these components exhibit antibacterial properties and anti-algal effects. In addition to these components, surfactants can be added. The surfactant is
The antibacterial algae member for plants of the present invention also serves to prevent the antibacterial algal member from flowing out of the soil surface by rainwater or watering.

The antibacterial algae member for plants of the present invention can be formed into various forms by molding various materials. However, the antibacterial algae member for plants of the present invention is preferably in the form of a chip which does not cause any trouble when used on lawn. Chips include small pieces such as fragments, fragments, etc., and are small pieces obtained by pulverizing vulcanized rubber, small pieces obtained by hot-cutting plastic, small pieces obtained by extruding a molding material, and cutting the obtained molded product. Good. The tip may be either regular or irregular. The size, application amount and density of the chips can be appropriately selected depending on the application site (the height of the plant, for example, lawn, growth density, etc.). The aggregate of chips used in the present invention refers to a collection of a plurality of such chips, and is spread on a plant growth base or the like. For such an aggregate of chips, for example, chips of different types in terms of size, shape, material, specific gravity and the like are used as a mixture or the like. As for the putting green, the volume of each chip is preferably 16 mm ³ or less.

The size of the chip plant antibacterial algae member of the present invention is preferably in the range of 0.00005～3.0Cm ³ by volume, and still more preferably, in the range of 0.0001~1.0cm ^3. Further, the chip of the antibacterial algae member for plants of the present invention preferably has a specific gravity of 0.5 to 4.0,
A specific gravity of 0.5 to 2.8 is even more preferred. The volume range is set in view of the fact that the chip according to the invention is advantageously located around a plant, for example a lawn. When the specific gravity is increased, it is more effective in preventing such antibacterial algae members for plants from flowing out. The reason why the specific gravity of 0.5 to 4.0 is preferable is that 0.5 is set in consideration of aquatic cultivation, whereas when the specific gravity exceeds 4.0 in such a case,
4.0 is set because the chip easily enters the ground.

The rubber or plastic used in the present invention includes simple rubber, simple plastic, a mixture of rubber and plastic, a mixture of various rubbers, and a mixture of various plastics. Rubber includes natural rubber and synthetic rubber (styrene-butadiene rubber, butadiene rubber, chloroprene rubber, isoprene rubber, ethylene-propylene rubber, etc.), and plastics include synthetic resins such as polystyrene, polyethylene, vinyl chloride, and polyethylene terephthalate. Resin included.

Plants include the flowers, lawns, houseplants and the like that we usually grow, and their seeds or seedlings. The lawn includes both Japanese turf and western turf. That is, such a lawn includes both types of a warm type lawn and a cold type lawn. The substrate on which the plant grows includes soil or an aqueous layer formed on the surface of the soil.
Natural and artificial soils and various media are included. Fungal algae refers to a class that collectively refers to fungi and algae, for example,
Pathogenic fungi on lawns such as Fusarium, Picium, Rhizoctonia and Sclerotinia, and algae such as green algae are included.

Further, the antibacterial alga member for plants of the present invention includes an antibacterial agent, a bactericide, an insecticide, a herbicide, a plant growth regulator, a repellent, etc., used for controlling plant diseases such as turf. It is preferable that at least one of various pesticides is contained. This is because such an agricultural chemical such as an antibacterial agent or a bactericide can impart a desired disease control effect to the antibacterial alga member for plants.

The antibacterial algal member for plants of the present invention is preferably formed from a polymer material to which at least one kind of agricultural chemical such as an antibacterial agent and a bactericide has been previously added, mixed and kneaded. The antibacterial algae material for plants incorporating antibacterial agents etc. is easy to mold,
The outflow of antibacterial agents and the like is small, and the disease control effect can be maintained.

Further, the antibacterial algal member for plants of the present invention comprises a main body and a coating layer adhered therearound, and this coating layer contains at least one kind of agricultural chemical such as an antibacterial agent and a bactericide. Is preferred. Such an antibacterial alga member for plants can be manufactured by adding an antimicrobial agent or the like in advance and applying a mixed coating agent to an appropriate material.

The antibacterial agent is for preventing the growth of bacteria or the generation of bacteria. In the present invention, a substance containing a metal component having a minimal effect on microorganisms such as mercury, silver, and copper can be used. Further, the bactericide kills the generated bacteria. In the present invention, a normal fungus registered fungus such as captan and thiuram can be used. The present invention is not particularly limited to these drugs, and drugs containing natural product extracts such as hinokitiol can be used in the same manner as these drugs.

The amount of the antibacterial agent, the bactericide and the like can be set within a desired range depending on the type of the chemical and the degree of turf disease. For example, in the case of using zeomic (trade name, manufactured by Sinanen Co., Ltd.) containing silver ions in the structure of zeolite, the amount of addition is preferably 0.1 to 2% by weight of the chip. If the amount is less than 0.1% by weight, the antibacterial effect of silver ions cannot be obtained. Further, even if it exceeds 2% by weight, the effect corresponding to the added amount cannot be obtained. When the antimicrobial agent is mixed, the main purpose is to prevent the spread of the disease, but the same effect as when the antimicrobial agent is mixed is observed.

The antibacterial algal member for plants of the present invention thus produced can exhibit an antibacterial and antialgal effect at a fixed position for a long period of time, regardless of the installation location and the spraying location. In addition, pesticides such as antibacterial agents and bactericides contained in the antibacterial algae member for plants of the present invention do not flow out by water or fly by wind or the like.

[0027]

The present invention will be specifically described below with reference to examples. Example 1 Raw materials having the compounding ratios shown in Table 1 were vulcanized by a kneading machine and a vulcanizing apparatus usually used in the rubber industry to produce rubber. This rubber was pulverized by a pulverizer to obtain a powder rubber. Thereafter, the powdered rubber was sieved with a JIS sieve, and 14 to 10 mesh (about 0.83 to 8
A 2.4 mm ³ ) rubber chip was collected. The true specific gravity of this rubber chip was adjusted to 2.3, and the rubber chip was adjusted to green so as to look pseudo green.

[0028]

[Table 1]

(1) Algae Prevention Test of Turf The antibacterial effect of the antibacterial alga member for plants of the present invention was tested. The rubber chips produced in this example were sprayed at a rate of 300 g / m ^{2 on} the green of a golf course where algae were generated.
The rubber chips were brought into direct contact with the soil surface by a brushing operation. FIG. 1 is a vertical cross-sectional view showing the state of the scattered rubber chips. The turf 2 is composed of upright stems 6, leaves 7, roots 5 and brooms 4. The rubber chip 1 is sprayed on the ground surface 3 on which the turf 2 grows.

After one week after spraying, visual observation showed that algae disappeared in the treated area where rubber chips were sprayed,
In the untreated section where the rubber chips were not sprayed, the algae remained as they were.

FIGS. 2 to 7 show the results of the algal protection treatment.
FIG. 2 is a drawing substitute photograph comparing a treated section and a non-treated section. FIG. 3 is an explanatory diagram of FIG. In FIG. 3, a boundary line 8 indicates a boundary between the green 9 and the rough 10. In the central part of FIG. 3, there is an untreated section 11, in which the algae proliferate and the growth of turf is more inhibited than the surrounding treated section 12. As shown in FIG. 2, the unprocessed section 11 appears whitish as a whole. FIG. 4 is a drawing-substituting photograph showing the propagation state of algae. FIG. 5 is an explanatory diagram of FIG. In this figure, the black portions 14 distributed like spots between the turf 13 are breeding portions of algae. FIG. 6 is a drawing substitute photograph in which the boundary between the processing section and the non-processing section is close-up. FIG. 7 is an explanatory diagram of FIG. The upper part of these figures is a processing section 15 and the lower part is a non-processing section 16. The boundary line 17 indicates a boundary between the processing section 15 and the non-processing section 16.
In the processing zone 15, the turf 13 is growing smoothly. on the other hand,
In the untreated area 16, there is a black portion 18 where the algae propagate and the soil surface is discolored, and the growth of the turf 13 is inhibited.

FIGS. 8 to 11 show the green before and after the anti-algal treatment. FIG. 8 is a drawing substitute photograph of the green before processing. FIG. 9 is an explanatory diagram of FIG. As shown in these figures, in this green, it can be seen that algae breeding parts 19 are scattered on the ground between the turf 13. FIG. 10 is a drawing substitute photograph of the green after the processing. FIG. 11 is an explanatory diagram of FIG. In the anti-algae treatment, a substantially central part of the green shown in FIG. FIG. 10 shows the green after this treatment
It was taken on October 8, 2011 (21 days after spraying). As shown in these figures, in the treatment section 21, the algae have disappeared, and the growth of the turf 13 has been promoted. In the untreated area 22, the growth of the turf 13 is suppressed while the algae breeding part 19 remains.

FIGS. 12 to 14 show photographs taken on September 8, 1996. FIG. FIG. 12 is a drawing substitute photograph showing a processing section and a non-processing section side by side. The left side of FIG. 12 is a processing section, and the right side is a non-processing section. FIG. 13 is a photograph as a substitute for a drawing of the processing section. FIG. 14 is a drawing substitute photograph of a non-processing section. These photographs were taken at locations different from the locations shown in FIGS. 13 and 13
As shown in (a), in the treated area, the algae disappeared, and the growth of turf was promoted. On the other hand, as shown on the right side of FIG. 12 and in FIG. 14, in the untreated section, no algae disappeared, and turf growth was suppressed.

(2) Antibacterial treatment test of turf Also, perennial ryegrass was planted in a nursery of 500 m ² in size, cut to a height of 3.5 mm in February, and cut into a half area of 250 m ² . The rubber chips of this example were sprayed at a density of 300 g / m ² so as to be in direct contact with the soil. In July, symptoms caused by pisumum bacteria frequently occurred in the untreated plot, but in the treated plot, there was only one such symptom.
It did not occur in any places.

(3) Antibacterial effect test of rubber chip extract Further, for confirmation, 10 g of the rubber chip of this example was
An extract was prepared by immersion in 100 mL of each of aqueous solutions of pH 3, pH 7, and pH 12 at room temperature. At this time, a pH buffer solution was used for the aqueous solution. Each extract was subjected to a petri dish test by agar culture. As the pathogenic bacteria, three species of typical lawn bacteria, Pissum, Rhizoctonia AG2-2, and Sclerotinia were used. FIG. 15 shows the obtained results.
Shown in

FIG. 15 is a graph showing the degree of growth of three types of pathogenic bacteria. In this figure, for these pathogens,
The degree of growth obtained with ion-exchanged water is defined as 100%, and the degree of growth obtained with each extract is relatively shown. pH 3
In the above extract, S. cerevisiae showed 25% growth, and the other two species did not grow. In the extract of pH 7,
None of the pathogens grew. In the extract at pH 12, the bacterium Pissum showed 64% growth, the Rhizoctonia AG2-2 showed 6% growth, and the sclerotinia did not grow.

(4) Test for antibacterial treatment of cyclamen 60 pots in which cyclamen were planted in No. 6 pots (about 18 cm in diameter) were prepared. Thirty of the sixty pots were randomly selected in November, and the rubber chips of this example were sprayed at a rate of 5 g / pot so as to directly contact the soil surface. In that year, cyclamen bloomed normally in all treated and untreated pots. In April of the following year, all the flowers in 60 pots were removed, and all the 60 pots were cured in a place where the sunlight through the glass was half a day. In the following fall, untreated pots were infested with normal pathogens, so four of the 30 pots flowered. However, in the 30 treated pots, the normal flowers bloomed in 29 pots, and it was confirmed that the rubber chip of this example exhibited antibacterial properties.

Example 2 Sand loam was placed in 30 Wagner pots (approximately 16 cm in diameter), Japanese turf (nosiba) was planted, and brass (wheat skin) cultured with Rhizoctonia was added to these pots.
Inoculated on March 8. Raw materials having the compounding ratios shown in the following Table 2 were mixed in these pots in a mixer generally used in the plastics industry, and mixed with a hot cut machine to about 1 m.
It was cut into cubic pieces of m square and a true specific gravity of 2.3. The obtained sample was subjected to the following six conditions: 0 g, 1.0 g (about 50 g /
m ² ), 2.0 g (about 100 g / m ² ), 6.0 g (about 300 g / m ² ), 10.0 g (about 500 g / m ² ),
Under 20.0 g (approximately 1.0 kg / m ² ), the mixture was evenly sprayed on each pot.

[0039]

[Table 2] * 1 Low crystalline 1,2-syndiotack polybutadiene, RB
810 (manufactured by JSR) * 2 Process oil, PW-90 (manufactured by Idemitsu Kosan Co., Ltd.) The pot treated in this way was cured, and one month after the treatment, the occurrence of disease was observed. Table 3 shows the results.

[0040]

[Table 3]

The occurrence of the disease was determined based on whether or not it occurred in a large batch. For pots where no disease was observed (6.0 g, 10.0 g and 20.0 g), 9
On October 10, these pots were again inoculated with Rhizoctonia bacteria, and one month after the inoculation, the occurrence of disease was observed. Table 4 shows the results.

[0042]

[Table 4]

As described above, according to the present invention, it was possible to prevent the occurrence of large batches by Rhizoctonia bacteria for a long time.

Example 3 Aslam (aslam) 80% (ashlam was replaced with CaCO ₃
Preparations diluted to 80% with) (trade name: Ajiran 80)
SG) was kneaded with a rubber having a compounding ratio shown in Table 1 in a weight ratio of 1:10 (Argylan 1: Rubber 10), the kneaded mixture was vulcanized, and the vulcanized product was pulverized with a pulverizer. Crushed. These crushed pieces are sieved using a sieve.
Sieving pieces within the range of 0 to 3.0 mm were obtained. Next, the kneaded rubber chips made into these sieving pieces were put into 1 m ^{2 of} turf cloth.
Were sprayed on 16 sections used as four repetition test sections provided by fractionation. FIG. 16 is a plan view showing these 16 sections.

The test turf species was Noshiba (EL Toro), and the spraying day was 5
On the 20th of the month, the observation dates were on July 10 and October 10, and the weed species were Dutch minagusa, cyperaceae, Japanese sagebrush, Japanese beetle, Japanese moss, Japanese chickpea, and Chinese dust. The following items are shown in each section in FIG. 0.
0 to 300.0 g indicates the amount of sprayed chips, "+" means that there are 10 or less weeds, "-" means that there are no or 5 or less weeds, and "++" ~ "++++
"++++++" means that the number of weeds is 20 to 80 or less. In addition, symbols such as “+” in ()
The observation results on July 10 are shown in parentheses.
The specific data of the observation result of the day is shown. In addition, symbols such as “+” outside () indicate the observation results on October 10.

At the time of observation on October 10, intense red rust was generated only in the control plot, and the antibacterial algal member for plants of the present invention has a bactericidal action in addition to the powerful weed-suppressing action of the ashram agent. It is shown that. In this test, the antibacterial alga member for plants of the present invention remarkably shows that the antibacterial algal action was maintained for 5 months or more because the ashram agent was kneaded in the rubber. In addition, since no difference was observed in the lawn growth observed between the control section and the treatment section, it was confirmed that the plant antibacterial algal member of the present invention had no harmful effect on the lawn.

[0047]

As described above, by arranging the antibacterial algal member for plants of the present invention around various plants, the growth of fungal algae is suppressed. In addition, by using the vegetation structure and the method for suppressing the growth of fungal algae of the present invention, plant diseases caused by pathogenic bacteria can be prevented, and the occurrence of algae can be prevented.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view showing a state where an antibacterial algae member for plants of the present invention is sprayed.

FIG. 2 is a photograph as a substitute for a drawing comparing a treated section and a non-treated section.

FIG. 3 is an explanatory diagram of FIG. 2;

FIG. 4 is a drawing-substituting photograph showing the propagation state of algae.

FIG. 5 is an explanatory diagram of FIG.

FIG. 6 is a drawing substitute photograph in which a boundary portion between a processing section and a non-processing section is close-up.

FIG. 7 is an explanatory diagram of FIG. 6;

FIG. 8 is a drawing substitute photograph of a green before processing.

FIG. 9 is an explanatory diagram of FIG.

FIG. 10 is a drawing substitute photograph of the green after the treatment.

FIG. 11 is an explanatory diagram of FIG.

FIG. 12 is a drawing substitute photograph comparing a treated section with a non-treated section.

FIG. 13 is a photograph as a substitute for a drawing of a processing section.

FIG. 14 is a photograph as a drawing substitute for a non-treated section.

FIG. 15 is a graph showing the degree of growth of pathogenic bacteria.

FIG. 16 is a plan view showing 16 sections used in the test.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Rubber chip 2 Turf 3 Ground surface 4 Cheek stalk 5 Root 6 Upright stalk 7 Leaf 8, 17 Borderline 9 Green 10 Rough 11, 16, 22 Untreated section 12, 15, 21 Treatment section 13 Lawn 14, 18 Black part 19 Algae Breeding part of 20 pole

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁶ Identification code FI A01N 59/16 A01N 59/16 AZ 61/00 61/00 D

Claims (11)

[Claims] 1. An antibacterial alga member for a plant, wherein the antibacterial algal member for a plant is formed of a rubber or plastic molded chip, and the antimicrobial algal member for a plant is disposed around a plant, whereby a fungal algae is obtained. An antibacterial algae member for plants, characterized in that proliferation of the plant is suppressed. 2. The method according to claim 1, wherein the chip comprises zinc white, stearic acid,
2. The composition according to claim 1, wherein the composition contains at least one component selected from the group consisting of an activator, a processing aid, a filler, a vulcanization accelerator, a resin, an adhesion aid and sulfur. Antibacterial algae member for plants. 3. The method according to claim 2, wherein the chip contains at least one pesticide selected from the group consisting of an antibacterial agent, a bactericide, an insecticide, a herbicide, a plant growth regulator and a repellent. The antibacterial algal member for plants according to claim 1 or 2. 4. The antibacterial algal member for plants according to claim 1, wherein the chip has a true specific gravity of 0.5 to 4.0. 5. The method according to claim 1, wherein the chip is 0.00005 to 3.0.
5. The method according to claim 1, wherein said volume has a volume of ³ cm ^3.
The antibacterial algal member for plants according to any one of the above. 6. A vegetation structure comprising a plant and a base on which the plant grows, wherein the antibacterial algal member for a plant according to any one of claims 1 to 5 is arranged around the plant. A vegetation structure, wherein the growth of fungal algae is suppressed. 7. The vegetation structure according to claim 6, wherein said base is made of soil, and said antibacterial algal member for plants is arranged so as to directly contact the surface of said soil. 8. The vegetation structure according to claim 6, wherein said base is made of soil, and said antibacterial algal member for plants is arranged inside said soil. 9. The method according to claim 6, wherein the base is made of soil, a water layer is formed on the surface of the soil, and the antibacterial algal member for plants is arranged in the water layer.
The vegetation structure according to any one of claims 8 to 13. 10. In a vegetation structure comprising a plant and a base on which the plant grows, for suppressing the growth of fungal algae, the antibacterial algal member for plants according to any one of claims 1 to 5, wherein A method for inhibiting the growth of fungal algae, wherein the method is arranged around a plant. 11. An antimicrobial algal agent for plants, wherein the antimicrobial algal agent for plants comprises an aggregate of chips formed by molding rubber or plastic, and the antimicrobial algal agent for plants is disposed around a plant. An antibacterial algal agent for plants, wherein the growth of fungal algae is suppressed.