WO2018174239A1 - 植物栽培剤 - Google Patents

植物栽培剤 Download PDF

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Publication number
WO2018174239A1
WO2018174239A1 PCT/JP2018/011666 JP2018011666W WO2018174239A1 WO 2018174239 A1 WO2018174239 A1 WO 2018174239A1 JP 2018011666 W JP2018011666 W JP 2018011666W WO 2018174239 A1 WO2018174239 A1 WO 2018174239A1
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WO
WIPO (PCT)
Prior art keywords
cellulose
agent
mass
plant
plant cultivation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2018/011666
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English (en)
French (fr)
Japanese (ja)
Inventor
田中　裕之
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chuetsu Pulp and Paper Co Ltd
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Chuetsu Pulp and Paper Co Ltd
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Application filed by Chuetsu Pulp and Paper Co Ltd filed Critical Chuetsu Pulp and Paper Co Ltd
Priority to EP18770218.8A priority Critical patent/EP3610726A4/en
Priority to JP2019507018A priority patent/JP6639036B2/ja
Priority to US16/496,616 priority patent/US11490616B2/en
Publication of WO2018174239A1 publication Critical patent/WO2018174239A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/02—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing liquids as carriers, diluents or solvents
    • A01N25/04—Dispersions, emulsions, suspoemulsions, suspension concentrates or gels
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N61/00—Biocides, pest repellants or attractants, or plant growth regulators containing substances of unknown or undetermined composition, e.g. substances characterised only by the mode of action
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change

Definitions

  • the present invention relates to a plant cultivating agent having an average thickness of 3 to 200 nm and comprising cellulose nanofibers obtained by defibrating cellulose with a high-pressure water stream and can be used as a spray.
  • Patent Document 1 aims to provide a control composition for animal ectoparasites having excellent efficacy.
  • Insecticidal component (I) [Q is a C1-C3 haloalkyl group containing at least one fluorine atom, or a fluorine atom.
  • R1 and R3 are the same or different and may be a C1-C4 chain hydrocarbon group, halogen atom or hydrogen atom optionally substituted with a halogen atom, and R2 and R4 are the same or different and are substituted with a halogen atom
  • a C1-C4 chain hydrocarbon group, -C ( G) R5, a cyano group, a halogen atom, or a hydrogen atom; G represents an oxygen atom or a sulfur atom] and an adipate
  • An animal ectoparasite control composition comprising: an animal ectoparasite control composition comprising administering an effective amount of the animal ectoparasite control composition to an animal.
  • Patent Document 2 pest control agent containing the cocoa and insecticidal active ingredient as object to provide a method of combating pest control agents and insect pests having an excellent attraction extermination effects against pests, the cocoa and insecticidal active ingredient Disclosed is a pest control method that applies an effective amount to a pest habitat.
  • Patent Document 3 proposes at least one selected from the group consisting of milk, cheese, coffee, and eggs, and insecticides , with the object of providing a pest control agent having an attractive control effect against pests and a method for controlling pests.
  • a method for controlling pests wherein an effective amount of at least one selected from the group consisting of a pest control agent, milk, cheese, coffee, and egg containing an active ingredient and an insecticidal active ingredient is applied to a pest habitat. did.
  • An object of this invention is to provide the plant cultivation agent which can be utilized as a spray agent with a small environmental load and high safety in view of the problem in the above prior art.
  • the present inventors have conducted extensive studies to find a material having excellent insecticidal efficacy.
  • the average thickness is 3 to 200 nm, and cellulose is obtained by defibrating cellulose with a high-pressure water stream.
  • the present inventors have found that nanofibers have high insecticidal efficacy, promote plant growth, and have protection against bacteria and pests, thereby completing the present invention.
  • the plant cultivating agent of the present invention contains cellulose nanofibers and is added or sprayed or sprayed directly or indirectly on a plant, and the insecticidal active ingredient is a non-chemical synthetic product.
  • an insecticidal active ingredient is a component which expresses an insecticidal function specifically.
  • a non-chemically synthesized product is a natural product obtained without depending on chemical synthesis techniques.
  • the cellulose nanofiber has a crystallinity of 50 or more and can be sprayed together with a medium.
  • a medium for example, water can be used as the medium.
  • the cellulose nanofibers may have an average thickness of 3 to 200 nm and may be obtained by defibrating cellulose having an ⁇ -cellulose content of 60% to 99% by mass with a high-pressure water stream. Further, defibration can be efficiently advanced by setting the ⁇ -cellulose content to 60% to 90% by mass.
  • Cellulose nanofibers having an average thickness of 3 to 200 nm and defibrated cellulose with a high-pressure water stream have strong adhesion, so that they adhere by their own force and do not require an adhesive. It is presumed that mite extermination using the spray agent that is a plant cultivating agent exerts an effect by blocking the tick air gate and stopping breathing. In addition, the effect of stopping the movement of ticks is presumed by sticking to the tick body surface. Therefore, other fixing materials and surfactants are unnecessary, and it is effective by spraying only water dispersion of cellulose nanofibers. Spraying can be done with labor savings because normal watering equipment can be used. Also, spraying on household futons and carpets is also effective, so it is safe and can be used at home.
  • Starch has an airway action stop effect similar to cellulose nanofibers, but when starch is sprayed, it has the disadvantage of deteriorating the plant growth environment due to the growth of mold and the like.
  • Cellulose nanofibers are not easily decomposed but are degraded at a slow rate by enzymes such as cellulase in the soil, and glucose, which is the degradation product, is rapidly absorbed from the roots of the plant, causing deterioration of the growth environment. Rather, the effect of promoting growth can be expected.
  • the cellulose nanofibers can be obtained by colliding high-pressure water of about 50 to 400 MPa with cellulose made into a 0.5 to 10% by mass water mixture.
  • the cellulose nanofibers can have a solid content concentration in an aqueous dispersion state of less than 20%.
  • the cellulose nanofiber content When the cellulose nanofiber content is 0.01% or more, the mite control effect is exhibited. Moreover, even if it is 4.0%, it can spray easily with a normal spray. Therefore, the cellulose nanofiber content is preferably 0.01% to 4.0%, and most preferably 3.0% by mass. Furthermore, it has sufficient mite control effect by setting it as 0.05% or more and 0.15% or less.
  • the plant cultivating agent of the present invention exhibits an excellent insecticidal effect, has a low environmental load and high safety, and has an excellent plant growing function.
  • FIG. 1 It is a conceptual diagram of an example of the manufacturing apparatus of the cellulose nanofiber which is a component of the plant cultivation agent of this invention. It is a conceptual diagram which expands and shows a part of manufacturing apparatus of the cellulose nanofiber shown in FIG. It is a conceptual diagram of the other example of the manufacturing apparatus of the cellulose nanofiber which is a component of the plant cultivation agent of this invention. It is a conceptual diagram of the further another example of the manufacturing apparatus of the cellulose nanofiber which is a component of the plant cultivation agent of this invention.
  • cellulose nanofibers having a specific average fiber diameter and average fiber length as the plant cultivating agent material, the cohesiveness of cellulose is suppressed and an efficient insecticidal effect can be realized.
  • this cellulose nanofiber for example, it is produced from natural plant-derived cellulose nanofiber such as wood fiber, bamboo fiber, sugarcane fiber, seed hair fiber, leaf fiber and the like, natdecocco produced by acetic acid bacteria, seaweed, sea squirt, etc. These cellulose nanofibers may be used singly or in combination of two or more.
  • the cellulose it is preferable to use pulp having an ⁇ -cellulose content of 60% to 99% by mass.
  • the fiber diameter and fiber length can be easily adjusted, and entanglement between fibers can be suppressed, and the ⁇ -cellulose content less than 60% by mass is used. Compared to the case, the deterioration with time during storage is not caused, and the effect of the present invention can be further improved. Furthermore, when 99 mass% or more is used, it becomes difficult to defibrate the fiber to the nano level.
  • the cellulose nanofiber in the present invention has an average thickness of 3 to 200 nm and is obtained by defibrating cellulose with a high-pressure water stream.
  • the average thickness was measured by a field emission scanning electron microscope JSM-7001FTTLS manufactured by JEOL Ltd.
  • JSM-7001FTTLS manufactured by JEOL Ltd.
  • a plant cultivation agent having fluidity and excellent sprayability can be obtained. If the average thickness is less than 3 nm, the dehydrating property is deteriorated, so that it is difficult to increase the solid concentration, which is not preferable.
  • the defibration of cellulose with a high-pressure water flow is carried out by colliding high-pressure water of about 50 to 400 MPa against cellulose in a 0.5 to 10% by mass water mixture. This can be performed, for example, using the cellulose nanofiber manufacturing apparatus 1 shown in FIG.
  • the cellulose nanofiber production apparatus 1 includes a cellulose slurry supply path 3 which is a first liquid medium supply path arranged so as to be able to supply cellulose slurry to one chamber 2, and a non-cellulose slurry which is, for example, water. And a second liquid medium supply path 4 that circulates through the one chamber 2.
  • a cellulose slurry supply path 3 which is a first liquid medium supply path arranged so as to be able to supply cellulose slurry to one chamber 2, and a non-cellulose slurry which is, for example, water.
  • a second liquid medium supply path 4 that circulates through the one chamber 2.
  • an orifice injection section 5 that performs orifice injection of the non-cellulose slurry of the second liquid medium supply path 4 in a direction intersecting the cellulose slurry supply direction from the cellulose slurry supply path 3.
  • the cellulose slurry supply path 3 enables the cellulose slurry to circulate through the one chamber 2.
  • the cellulose slurry supply path 3 and the second liquid medium supply path 4 have a crossing portion 6 in one chamber 2.
  • the cellulose slurry supply path 3 is a cellulose slurry supply unit, and a tank 7 for storing the cellulose slurry and a pump 8 are arranged in the circulation path 9, while the second liquid medium supply path 4 is a tank 10, a pump 11, a heat
  • the exchanger 12 and the plunger 13 are arranged in the liquid medium supply path 4 which is a circulation path.
  • the non-cellulose slurry is water, for example, and is initially stored in the tank 10, and then the nano-sized cellulose stored in the tank 10 through the intersection 6 with the operation of the cellulose nanofiber manufacturing apparatus 1.
  • Those in a state of being included at a concentration according to the degree of operation are also generically referred to.
  • the circulation path 9 of the cellulose slurry supply path 3 is arranged in a manner penetrating the chamber 2, so that the non-cellulose slurry can be injected through the orifice in a direction crossing the cellulose slurry supply path 3 to penetrate the circulation path 9.
  • the orifice injection port 14 of the orifice injection unit 5 connected to the plunger 13 of the second liquid medium supply path 4 opens inside the chamber 2.
  • a discharge port 15 of the chamber 2 is provided at a position facing the orifice injection port 14 of the chamber 2, and a circulation path of the second liquid medium supply path 4 is connected to the discharge port 15 of the chamber 2, so that the second liquid state A medium supply path 4 is configured.
  • the circulation path 9 of the cellulose slurry supply path 3 is formed using, for example, a vinyl hose, a rubber hose or the like, and the one-way valve 16 opened only in the direction of the chamber 2 on the entry side of the circulation path 9 into the chamber 2. Is attached. Furthermore, a one-way valve 17 that is opened only in the direction of discharge from the chamber 2 is attached to the exit side of the circulation path 9 from the chamber 2. In addition, an air suction valve 18 is attached to the circulation path 9 between the chamber 2 and the one-way valve 17, and the air suction valve 18 is opened only in the direction of sucking air from the outside into the circulation path 9.
  • cellulose nanofibers are produced as follows.
  • the non-cellulose slurry is circulated through the second liquid medium supply path 4 through the chamber 2.
  • the non-cellulose slurry in the tank 10 is circulated through the liquid medium supply path 4 through the heat exchanger 12 and the plunger 13 using the pump 11.
  • the cellulose slurry is circulated in the cellulose slurry supply path 3 through the chamber 2.
  • the cellulose slurry in the tank 7 is circulated in the circulation path 9 formed using a vinyl hose, a rubber hose or the like by using the pump 8.
  • the non-cellulose slurry circulating in the second liquid medium supply path 4 is injected into the orifice with respect to the cellulose slurry circulating in the cellulose slurry supply path 3 and flowing in the chamber 2.
  • high-pressure water is supplied from the plunger 13 to the orifice injection port 14 connected to the plunger 13, and this is orifice-injected from the orifice injection port 14 toward the circulation path 9 at a high pressure of about 50 to 400 MPa.
  • the slurry is discharged toward the discharge port 15 of the chamber 2 while entraining the cellulose slurry circulating in the circulation path 9 and flows into the second liquid medium supply path 4.
  • the non-cellulose slurry circulates in the second liquid medium supply path 4 again.
  • the cellulose in the cellulose slurry supply path 3 and the cellulose in the non-cellulose slurry circulating in the second liquid medium supply path 4 are gradually defibrated.
  • cellulose nanofibers having a high degree of defibration according to the application can be obtained.
  • a homogenization method in which a dispersion in which raw fibers are dispersed in a solvent is processed by a homogenizer equipped with a crushing type homovalve sheet as a method of defibrating cellulose with a high-pressure water stream.
  • a homogenizer equipped with a crushing type homovalve sheet as a method of defibrating cellulose with a high-pressure water stream.
  • FIG. 3 according to this homogenization treatment method, when the raw material fiber 101 pumped through the homogenizer at a high pressure passes through the small diameter orifice 102 which is a narrow gap, the wall surface of the small diameter orifice 102 (particularly the impact ring 103). And microfibrillation having a uniform fiber diameter is performed by being subjected to shear stress or cutting action.
  • an underwater facing collision method as a method of defibrating cellulose with a high-pressure water stream to obtain cellulose nanofibers.
  • the suspension water of natural microcrystalline cellulose fibers for example, funacell
  • the surface is nanofibrillated and peeled off, and the affinity with water as a carrier is improved. In particular, it becomes possible to reach a state close to dissolution.
  • FIG. 4 is of a liquid circulation type, and has a tank (FIG. 4: 109), a plunger (FIG. 4: 110), two opposing nozzles (FIG. 4: 108a, 108b), and heat as necessary.
  • An exchanger (FIG. 4: 111) is provided, and fine particles dispersed in water are introduced into two nozzles and sprayed from the nozzles (FIG. 4: 108a, 108b) facing each other under high pressure to collide against each other in water.
  • this method only water is used in addition to natural cellulose fibers, and only the interaction between the fibers is cleaved. Cellulose nanofibers can be obtained in a minimized state.
  • the degree of dehydration is such that the solid content concentration in an aqueous dispersion state is less than 20%. , It can be difficult to produce aggregates. Therefore, sprayability is improved.
  • the solid content concentration is 20% or more, since the cellulose nanofibers easily form aggregates, the aggregates cause deterioration of sprayability. Most preferably, it is less than 16%.
  • Squids such as Eka, Aedes such as Aedes aegypti, Aedes albopictus, Anopheles such as Aedes aegypti, House flies, Houseflies such as House flies, House flies, House flies, etc.
  • Rootworm Northern Corn Rootworm, Southern Corn Rootworm, Paddy Hispid, etc.
  • Beetles Chamodium beetle, Beetle, etc.
  • Beetle beetle Beetle beetle
  • Beetle beetle Beetle beetle
  • Beetle beetle Beetle beetle
  • Beetle beetle Beetle beetle
  • Beetle beetle etc.
  • Reticulate pests such as reticulate pests, black-eyed cockroaches, black-eyed cockroaches, black-eyed cockroaches, black-eyed cockroaches, black-eyed cockroaches, white-eyed cockroaches, etc. It is presumed that it is effective for worms such as lepidopterous insects such as lepidopterous insects, grasshoppers, etc.
  • the pests with which the spray as one embodiment of the plant cultivation agent of the present invention exerts particularly excellent effects include: Lawrence (Northern corn root worm), Diabrotica undecimpunctata howardi (Southern corn root worm) ⁇ ⁇ ⁇ Corn root worms, Aulacophora genus Aulacophora femoralis ⁇ Muschulsky ⁇ genus Maladera castanea etc. Anomala genus Anomala cuprea Hope ⁇ Anomala rufocuprea Motshulsky ⁇ Anomala daimiana Harold ⁇ Pa Pa Pa Papillia japonica ⁇ ⁇ New soil Inhabit the insects that cause damage to crops), and the like.
  • the spray as an embodiment of the plant cultivating agent of the present invention is used as an active ingredient
  • the spray as an embodiment of the plant cultivating agent of the present invention is used as an active ingredient in a weight ratio of 0.01% in a solvent such as water. % To 4.0%, preferably 0.05% to 0.15%. It can be mixed with various gases and formulated into aerosols.
  • gaseous carriers i.e., propellants, include CFC gas, butane gas, and carbon dioxide gas.
  • cellulose nanofibers trade name [manufactured by Chuetsu Pulp Co., Ltd., average thickness 36.5 nm, ⁇ -cellulose content 85 mass%].
  • Test example 1 The water dilution of cellulose nanofibers was sprayed on a 200 tsubo section (one block in a house managed at 14 ° C or higher). In this way, the effect can be confirmed by carrying out the proof test only in a specific control section in the house because there is movement of ticks and insects. Pesticides are effective with their active ingredients, but cellulose nanofibers wrap up to protect fruits. The effect mechanism is completely different. As shown in FIG. 5, it was confirmed that the spider mite directly sprayed with 0.1% cellulose nanofiber was dead. It can be presumed that, like starch, cellulose nanofibers can block the tick air gate and prevent respiration. In the case of agricultural chemicals, it was diluted about 1000 times, but with cellulose nanofibers, 1% products could be used in stock solutions about 10 times.
  • Test example 2 The effect of cellulose nanofibers against the spider mite was confirmed. Cellulose nanofibers were directly sprayed on the adult spider mite and the effect was confirmed. As shown in Table 1, 0.05% cellulose nanofiber has 2 lethality for 3 specimens, and 0.1% cellulose nanofiber has 8 lethality for 8 specimens. The same effect as the pesticide Akaritouch was obtained.
  • Test example 3 Using a 1% cellulose nanofiber dispersion, this was diluted 100 times with water and sprayed on trees for growing mandarin oranges every 50 days. As a result, the occurrence of black spots due to rust mites that cause rust disease, a mandarin orange disease, was not observed.
  • an existing insecticide Sanmite wettable powder
  • mite getter floorable which is an existing insecticide was diluted 2000 times and sprayed. In this case, there was no occurrence of rust mites.
  • the plant cultivating agent of the present invention serves as a protective film on the surface of the plant and functions to prevent the invasion of bacteria and pests.
  • the plant cultivating agent of the present invention adhering to the surface of the plant by spraying is infiltrated into the soil with rain or the like, and is decomposed into sugar, acetic acid, etc. by celluloses and other degrading enzymes in the soil, and the soil microorganism distribution is The effect of preparing a desirable environment for training is recognized.
  • Test example 4 7 to 9 show the results of using the plant cultivating agent of the present invention for irrigation of soil in an ivy growing environment. As shown in FIGS. 7 and 9, it was confirmed that fine roots grew better when irrigated with the plant cultivation agent of the present invention than when irrigated with water. Further, as shown in FIG. 8, when the plant cultivation agent of the present invention is applied, the plant cultivation agent of the present invention is applied to any of the elongation, fresh weight, and dry weight of the ivy as compared with the case of using simple water. In this case, it was confirmed that the plant cultivation agent of the present invention was effective in promoting the rooting of ivy.
  • Table 2 shows the results of evaluating the sprayability of the plant cultivation agent of the present invention.
  • Table 2 shows the results of a spray test of the plant cultivation agent of the present invention using a commercially available spray container at room temperature. The determination was made according to the following criteria. ⁇ : Mist spread evenly. (Triangle
  • the content of cellulose nanofibers in the medium is less than 5.0% by mass, preferably 4.0% by mass or less, and most preferably 3.0%. It is good to set it as mass% or less.
  • the maximum tolerated dose of the test substance using animal death as an index was estimated to be 360 mg / kg / day or more in both sexes. Therefore, the maximum practicable dose of 360 mg / kg / day is set as the highest dose of the test substance, and a total of 3 doses of 180 and 90.0 mg / kg / day diluted at a common ratio of 2 are set, and a micronucleus test is conducted. did. Only males were used because it was judged that there was no sex difference in toxicity.
  • a negative control group and a positive control group were set as a control group, and a medium (distilled water) was administered twice continuously at 20 mL / kg to the negative control group.
  • the positive control group was given a single intraperitoneal dose of mitomycin C at 2 mg / kg / day.
  • no deaths were observed at all doses of the test substance group up to the maximum dose of 360 mg / kg / day even at 24 hours after the second administration, which was the preparation time of the sample.
  • the specimen observation dose of the test substance was used, and the appearance frequency (MNPCE / PCE) of polychromatic erythrocytes having micronuclei of bone marrow cells was examined.
  • MNPCE / PCE was within the range of the background data of the negative control, so it was determined that administration of the test substance did not increase the appearance of polychromatic erythrocytes with micronuclei. . From the above results, nanoforest-S was judged not to induce micronuclei under the test conditions.
  • ⁇ EpiOcularTM EIT OCL-200 was used to evaluate the presence or absence of eye irritation of nanoforest-S.
  • OCL-200 the cell survival rate of nanoforest-S was 99.8%, exceeding the criterion of 60%. Therefore, under this test condition, nanoforest-S was determined to be “Non-irritant” (UN GHS not classified).
  • nanoforest-S was determined to be “Non-irritant” (UN GHS outside Category (including Category 3)).
  • nanoforest-S has the ability to induce chromosomal abnormalities using Chinese hamster lung fibroblasts (CHL / IU cells).
  • CHL / IU cells Chinese hamster lung fibroblasts
  • the frequency of appearance of cells with structural abnormalities and numerically abnormal cells was observed in both the absence of S9 mix and the presence of S9 mix as well as 24-hour continuous treatment. Since the test substance dose was within the range of the background data of the negative control, both structural abnormality and numerical abnormality were determined to be negative. From the above results, nanoforest-S was judged not to induce chromosomal abnormalities under the test conditions.

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  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental Sciences (AREA)
  • Plant Pathology (AREA)
  • Dentistry (AREA)
  • Pest Control & Pesticides (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Agronomy & Crop Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Toxicology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Textile Engineering (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Cultivation Of Plants (AREA)
  • Catching Or Destruction (AREA)
PCT/JP2018/011666 2017-03-24 2018-03-23 植物栽培剤 Ceased WO2018174239A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP18770218.8A EP3610726A4 (en) 2017-03-24 2018-03-23 AGENT FOR PLANT GROWTH
JP2019507018A JP6639036B2 (ja) 2017-03-24 2018-03-23 植物栽培剤
US16/496,616 US11490616B2 (en) 2017-03-24 2018-03-23 Plant growth promoting agent

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JP2017-058732 2017-03-24
JP2017058732 2017-03-24

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Cited By (5)

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WO2020059864A1 (ja) * 2018-09-21 2020-03-26 丸紅株式会社 植物病原菌防除剤
JP6867613B1 (ja) * 2020-11-13 2021-04-28 中越パルプ工業株式会社 畜舎環境改善用分散液及び畜舎環境改善方法
JP2021187917A (ja) * 2020-05-28 2021-12-13 石川県 複合樹脂組成物および繊維強化複合材料とその製造方法
JP2022079008A (ja) * 2020-11-14 2022-05-26 田中建設株式会社 セメント組成物及びその硬化体
JP7303349B1 (ja) 2022-04-28 2023-07-04 中越パルプ工業株式会社 補助剤含有組成物

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Publication number Priority date Publication date Assignee Title
US11490616B2 (en) * 2017-03-24 2022-11-08 Chuetsu Pulp & Paper Co., Ltd Plant growth promoting agent

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