AU2020203679A1 - A composition of propyzamide and amino acid - Google Patents

A composition of propyzamide and amino acid Download PDF

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AU2020203679A1
AU2020203679A1 AU2020203679A AU2020203679A AU2020203679A1 AU 2020203679 A1 AU2020203679 A1 AU 2020203679A1 AU 2020203679 A AU2020203679 A AU 2020203679A AU 2020203679 A AU2020203679 A AU 2020203679A AU 2020203679 A1 AU2020203679 A1 AU 2020203679A1
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amino acid
propyzamide
agent
propyzamid
weeds
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AU2020203679B2 (en
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Hui Ming Zhang
Yi Xiang Zhang
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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
    • 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
    • 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
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
    • A01N43/04—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
    • A01N43/06—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom five-membered rings
    • A01N43/12—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom five-membered rings condensed with a carbocyclic ring
    • 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
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
    • A01N43/04—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
    • A01N43/22—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom rings with more than six members
    • 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
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
    • A01N43/80—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms five-membered rings with one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,2
    • 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
    • A01N57/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds
    • A01N57/18—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-carbon bonds
    • A01N57/20—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-carbon bonds containing acyclic or cycloaliphatic radicals
    • 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
    • A01N25/12—Powders or granules
    • 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
    • A01N25/12—Powders or granules
    • A01N25/14—Powders or granules wettable
    • 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
    • A01N25/34—Shaped forms, e.g. sheets, not provided for in any other sub-group of this main group
    • 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
    • A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
    • A01N37/18—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing the group —CO—N<, e.g. carboxylic acid amides or imides; Thio analogues thereof

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  • Life Sciences & Earth Sciences (AREA)
  • Agronomy & Crop Science (AREA)
  • Pest Control & Pesticides (AREA)
  • Plant Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

The invention discloses a new formulation for improving the weeding efficiency of propyzamide, which is prepared by compounding a propyzamide with an amino acid 5 and an acceptable auxiliary agent for pesticides to make a composite preparation. The mass ratio of the said propyzamide: amino acid is 100:0.1-100:1000, and the mass percentage of the total mass of the propyzamide + amino acid in the compound preparation is 5-80%. Compared with the prior art, the synergistic propyzamide compound preparation of the invention has the advantages that the biological activity of 0 weeding can be significantly improved, the usage amount is reduced, and the cost and environmental pollution are reduced compared with the single use.

Description

A composition of propyzamide and amino acid
Technical Field
The invention relates to the technical field of biochemical pesticide, in particular
to a technical method for improving the efficacy of propyzamide herbicide.
Background Art
Propyzamide, also known as pronamide, is a kind of selective amide herbicide
with intake transportation. Its mechanism of action is to interfere with the orderly
division of weed cells through root absorption and conduction. It is mainly used to
control monocotyledonous weeds and is safe for broad-leaved crops. Its duration of
validity in soil is about 60 days. It can effectively control the emergence of weeds, even
after emergence, the weeds will die by absorbing the insecticide through coleoptile.
Propyzamide is a selective herbicide after coleoptile treatment. The dosage is
0.56-2kgAI/ha.
Phytonutrient amino acid can accelerate nutrient transport and accumulation, and
enhance plant's resistance to cold, drought, disease and so on. It can promote the growth
stage of plant, such as rooting, growth, reproduction, fruiting and swelling, and the
dosage is 1030g/ha.
With the development of agriculture and the wide application of herbicides, many weeds
become resistant to insecticides. At the same time, the species of weeds are complex, and the
species of monocotyledon, dicotyledon and broad-leaved weeds are mixed. As a result, the
application amount per unit area in agriculture is increasing, but the effect is not significantly
improved. Besides, excessive application of herbicides may cause certain harm to the
environment and crops.
It is an object of the present invention to overcome or ameliorate at least one of the
disadvantages of the prior art, or to provide a useful alternative.
Description of the Invention
The object of the invention is to provide a new formulation for improving the
weeding efficiency of propyzamide by compounding a propyzamide with an amino acid
and an acceptable auxiliary agent for pesticides to make a compound weedicide with
synergistic effect, which can be used in farmland, orchard, turf and bare place to control
the weeds.
The technical proposal provided by the invention is that a propyzamide is
compounded with an amino acid and an acceptable auxiliary agent for pesticides to
prepare a composite preparation. The mass ratio of the said propyzamide: amino acid is
100:0.1-100:1000, and the preferred mass ratio of the propyzamide: amino acid is
100:1-100:100. In the technical proposal of the invention, the mass percentage of the total mass of
propyzamide + amino acid in the compound preparation is 5-95% and the preferred mass
percentage is 45-80%.
In the technical proposal of the invention, the amino acid is selected from aliphatic
amino acid, aromatic amino acid, heterocyclic amino acid and heterocyclic imino acid,
and L-type amino acid is preferred.
In the technical proposal of the invention, the compound preparation can be water
suspension agent, oil suspension agent, soluble powder, wettable powder, soluble
granule, water dispersive granule, dry flowable, tablet, etc. The preferred one is water
dispersing granule and dry flowable.
In the technical proposal of the invention, the auxiliary agent is selected from one
of or mixture of several of wetting agent, dispersant, defoamer, disintegrating agent,
binder, anti hard water agent and filler.
The auxiliary agent is selected from any one of or a combination of more than two
of organosilicon polyether, N-Polyoxyethylated-N-tallow-alkylamine,
alkylnaphthalenesulfonic acid condensate sodium salt, polycarboxylate and condensate,
fatty amine polyoxyethylene ether, lignosulfonate, ethylene oxide-propylene oxide
segmented copolymer, polyoxypropylene-polyoxyethylene alkylphenyl ether, polyoxyethylene fatty acid, AEO alkylnaphthalene sulfonic acid formaldehyde condensate, lauryl sodium sulfate, EDTA, polyethylene glycol, carboxymethyl cellulose or soluble starch.
The filler is selected from any one of or a combination of more than two of water,
methyl oleate, epoxidized soybean oil, kaolin, light calcium carbonate, ammonium
sulfate (potassium, sodium), diammonium hydrogen phosphate (potassium, sodium),
ammonium chloride (potassium, sodium), ammonium nitrate (potassium, sodium), silica,
sodium carbonate, sodium bicarbonate or sodium tripolyphosphate.
The invention adds amino acid to the propyzamide to prepare a suitable
preparation. When the roots, stems and leaves of weeds absorb the amino acid, the
physiological function of the weeds can be activated to increase or accelerate the
absorption of the herbicide by the plant, and thus accelerating the death of the weeds.
However, the protected crops have metabolic effects on herbicides, and they will not
have adverse effects, so they can improve the bioactivity of herbicides to reduce usage.
Compared with the prior art, the synergistic propyzamide compound preparation
of the invention has the advantages that:
1. Compared with single agent, it can obviously improve the bioactivity of
weeding;
2. The combination of the two effective ingredients can reduce the usage, cost
and environmental pollution;
3. It can be recombined through experiments.
Detailed Description of the Preferred Embodiments
The following is a further detailed description of the above proposal in
combination with the specific embodiments. It should be understood that these
embodiments are for explaining the invention and are not limited to limiting the scope of
the invention. The implementation conditions adopted in the embodiments can be further
adjusted according to the conditions of specific manufacturers, and the implementation
conditions not specified are usually those in conventional experiments.
Various aspects of the invention will be described below. However, it will be
apparent to those skilled in the art that the invention may be practiced in accordance with only some or all aspects of the invention. For the purpose of illustration, specific numbers, materials, and configurations are given to enable a thorough understanding of the invention. However, it will be apparent to those skilled in the art that the invention may be practiced without specific details. In other examples, well-known features are omitted or simplified so as not to obscure the invention.
The test method for the co-toxicity coefficient in embodiments: Put a 25*25 cm
petri dish in an artificial test chamber, select and remain 100 normal growing 2-leaf
weeds in each dish, add a small amount of sterile water, cultivate for 3 days under
normal illumination, constant temperature at 25C and constant humidity at 50%, and
finally select and keep 50 normal growing weeds in each dish for standby.
Test range: Set 1 herbicide single agent group, and 7 groups of herbicides and
synergistic agents with different proportions, a total of 8 groups. Spray weeds with
different concentration gradients (the diluent is distilled water) and the distilled water is
as blank control. Each group sprays 2 petri dishes, and after 14 days, the test results were
observed, and two or more leaves were completely yellowed for plant death, and
mortality and corrected mortality were calculated.
Based on the survey data, calculate the corrected mortality of each treatment. With
reference to NY/Ti154.1-2006, Sun Yunpei method is used to calculate the co-toxicity
coefficient (CTC value) of the mixture. Co-toxicity coefficient (CTC value) >120 shows
synergistic effect; co-toxicity coefficient (CTC value) <80 shows antagonistic effect; and
80< co-toxicity coefficient (CTC value) <120 shows additive effect.
Embodiment 1: Determination of the combined action of propyzamide and amino acid on the killing of alopecurus aequalis sobol
Table 1: Determination of the combined action of different mixture ratio of propyzamide and amino
acid on the killing of alopecurus aequalis sobol
No. Experimentalinsecticide LC5o ATI TTI CTC (weight ratio of effective ingredients) (mg/L) 1 Propyzamide 1250 -- -- - 2 Propyzamide: amino acid (100:0.1) 1200 104.17 99.90 104.27 3 Propyzamide: amino acid (100:1) 900 138.89 99.01 140.28 4 Propyzamide: amino acid (100:10) 700 178.57 90.91 196.43 5 Propyzamide: amino acid (100:20) 800 156.25 83.33 187.50 6 Propyzamide: amino acid (100:100) 2000 62.50 50.00 125.00 7 Propyzamide: amino acid (100:500) 8000 15.63 16.67 93.75 8 Propyzamide: amino acid (100:1000) 24000 5.21 9.09 57.29 When propyzamide: amino acid = 100:0.1~100:1000, the determination of co-toxicity coefficient of the killing of alopecurus aequalis sobol shows: 1. When propyzamide: amino acid = 100: 1-100:100, the CTC value of the killing of alopecurus aequalis sobol> 120, indicating that the combination of propyzamide and amino acid has synergistic effect on the killing of alopecurus aequalis sobol. The best mass ratio of propyzamide: amino acid = 100:10 shows excellent control effect, indicating that the compound of propyzamide and amino acid is reasonable and feasible; 2. However, with the increase of amino acid ratio, the control effect decreases, showing that the amino acid effect increases, which has a protective effect on weeds, but reduce the control effect.
Embodiment 2: preparation of 45% propyzamid - 4.5% amino acid tablet
Weigh 45g of propyzamid, 4.5g of L-type amino acid, 2g of calcium dodecyl benzene sulfonate, 4g of alkyl polyoxyethylene ether succinate sodium, 2g of fatty alcohol polyoxyethylene polyoxyepropylene ether, 15g of sodium tripolyphosphate, 5g of silica, and 22.5g of kaolin, 100g in total. Mix the above materials evenly, crush them with hammer mill to more than 150 mesh, and 45% propyzamid - 5% amino acid tablet
is prepared by tablet press.
Embodiment 3: preparation of 60% propyzamid - 3% amino acid wettable powder
and water dispersible granule
Weigh 60g of propyzamid, 3g of L-type amino acid, 6g of
alkylnaphthalenesulfonic acid condensate sodium salt, 2g of polycarboxylate condensate,
3g of kieselguhr, and 26g of kaolin, 100g in total. Mix the above materials evenly, crush
them with jet mill to more than 325 mesh, and 60% propyzamid - 1% amino acid
wettable powder is prepared.
Add the above powder into kneader, add 12g of water, mix and knead for 15
minutes, use a rotary pelleting machine to extrude and granulate, dry the wet particle to
less than 1. 5 % of water within 70°C to prepare 60% propyzamid - 1% amino acid water
dispersible granule.
Embodiment 4: preparation of 80% propyzamid - 2% amino acid water suspension
agent and dry flowable
Weigh 80g of propyzamid, 2g of L-type amino acid, 2g of lauryl sodium sulfate,
8g of polycarboxylate and condensate, Ig of organosilicon polyether, 0.2g of EDTA,
0.5g of soluble starch, and 6.3g of ammonium sulfate, 100g in total. Mix the above
materials evenly, grind them with sand mill to 5um, and 80% propyzamid - 2% amino
acid water suspension agent is prepared.
The above water suspending agent is granulated in the spray dryer to prepare 90%
propyzamid - 0.5% amino acid dry flowable.
Embodiment 5: preparation of 90% propyzamid - 0.5% amino acid wettable
powder and water dispersible granule
Weigh 90g of propyzamid, 0.5g of L-type amino acid, 0.5g of organosilicon
polyether, 3g of lignosulfonate, 0.2g of EDTA, 3g of polycarboxylate and condensate,
and 2.8g of kaolin, 100g in total. Add 100g of water. Mix the above materials evenly,
crush them with jet mill to more than 325 mesh, and 90% propyzamid - 0.5% amino acid
wettable powder is prepared.
Add the above powder into kneader, add lOg of water, mix and knead for 15 minutes, use the rotary pelleting machine to extrude and granulate, dry the wet particle to less than 1.5% of water within 70 0 C to prepare 90% propyzamid - 0.5% amino acid water dispersible granule
This embodiment is used to the experiment of controlling weeds in lettuce field
and the overall control effect is investigated after 15 days. The results show that the
effect is higher than that of 50% wettable powder sold in the market, as shown in the
following table:
Table 2: Control effect of different preparations on weeds Description Dosage of Strain control Raw weight effective effect control effect ingredients Control effect Control effect (g/ha) (%) (%) 45% propyzamid- 4.5% amino acid Tablet 1200 88.47 90.47 60% propyzamid- 3% amino acid WP 1200 93.20 87.78 80% propyzamid- 2% amino acid DF 1200 96.77 94.32 90% propyzamid 0.5% amino acid WDG 1200 95.21 85.51 50% propyzamide WP 1200 82.65 79.41 Manual weeding --- 91.16 81.54 The experimental results show that the composition of the invention has an
apparent synergistic effect, and can reduce the dosage, reduce the cost and alleviate
pollution to the environment.
The above-mentioned embodiments are merely preferred embodiments of the invention.
It should be noted that those skilled in the art can make several improvements or substitutions
without departing from the principles of the invention, and such improvements or
replacements should also be considered as the protection scope of the invention.

Claims (5)

Claims
1. A formulation for improving the weeding efficiency of propyzamide, wherein a
propyzamide is compounded with an amino acid and an acceptable auxiliary agent for
pesticides to prepare a composite preparation, and wherein the mass ratio of the said
propyzamide: amino acid is 100:0.1~100:1000.
2. The formulation according to Claim 1, wherein the preferred mass ratio of the
said propyzamide: amino acid is 100:1~100:100.
3. The formulation according to Claim 1, wherein the mass percentage of the total
mass of the propyzamide + amino acid in the compound preparation is 5-95% and the
preferred mass percentage is 45-80%.
4. The formulation according to Claim 1, wherein the amino acid is selected from
aliphatic amino acid, aromatic amino acid, heterocyclic amino acid and heterocyclic
imino acid, and L-type amino acid is preferred.
5. The formulation according to Claim 1, wherein the auxiliary agent is selected
from one of or mixture of several of wetting agent, dispersant, defoamer, disintegrating
agent, binder, anti hard water agent and filler.
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AU2018203305A AU2018203305A1 (en) 2018-03-12 2018-05-11 Technical method for increasing efficiency of systemic herbicide
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CN110432283A (en) * 2019-08-28 2019-11-12 广东省生物工程研究所（广州甘蔗糖业研究所） The Weed removal medicinal fertilizer and the preparation method and application thereof removed containing pungent Brominal, diuron and green bristlegrass
CN111670909A (en) * 2020-07-24 2020-09-18 江苏徐淮地区淮阴农业科学研究所 Wheat field herbicide and application thereof
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AU2018100609A4 (en) 2018-06-14
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AU2018203305A1 (en) 2019-09-26
AU2020203679B2 (en) 2020-10-22

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