WO2020101941A2 - Method of controlling nematodes - Google Patents
Method of controlling nematodes Download PDFInfo
- Publication number
- WO2020101941A2 WO2020101941A2 PCT/US2019/059785 US2019059785W WO2020101941A2 WO 2020101941 A2 WO2020101941 A2 WO 2020101941A2 US 2019059785 W US2019059785 W US 2019059785W WO 2020101941 A2 WO2020101941 A2 WO 2020101941A2
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- WIPO (PCT)
- Prior art keywords
- acre
- polysorbate
- rate
- grams
- abamectin
- 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.)
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01P—BIOCIDAL, PEST REPELLANT, PEST ATTRACTANT OR PLANT GROWTH REGULATORY ACTIVITY OF CHEMICAL COMPOUNDS OR PREPARATIONS
- A01P5/00—Nematocides
-
- 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
-
- 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
- A01N43/90—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
Definitions
- the present technology relates to compositions comprising abamectin, and in particular the application of abamectin compositions with high volumes of water.
- the present technology relates to an improved method of controlling or suppressing nematodes in farm fields and soils in general.
- the present technology includes application of abamectin and/or compositions comprising abamectin with high volumes of water.
- this application will be made through an application system commonly known as a chemigation system.
- Chemigation systems are well-known in the industry and commonly used to apply fertilizers, pesticides, and other chemicals through an existing irrigation system. Examples of commercially available chemigation systems include GROWSMARTTM by Lindsey Corporation of Omaha, California and systems sold by AGRI-INJECT of Yuma, Colorado.
- Chemigation systems can be used with any type of irrigation infrastructure, including hand-lines, wheel lines, center pivot systems and lateral systems, but are most commonly used with center pivot and lateral irrigation systems that utilize a fixed water feed (e.g. center pivot), single water feed (e.g. hose- fed lateral system), or carry an integrated chemigation system.
- a fixed water feed e.g. center pivot
- single water feed e.g. hose- fed lateral system
- chemigation system e.g. hose- fed lateral system
- a method of controlling or suppressing nematodes is achieved by applying a composition comprising abamectin at a rate of from 5 to 30 grams/acre in combination with the application of water applied at a rate of from 8,500,000 to 103,000,000 grams/acre.
- abamectin and water can be applied simultaneously or sequentially, or a combination thereof. While application applied simultaneously is expected, an application of abamectin followed by water is also envisioned.
- a combination application may include, for example that the abamectin be simultaneously applied with 5,000,000 g water/acre followed by a second 5,000,000 g water/acre application.
- a method of controlling or suppressing nematodes is achieved by applying a composition comprising abamectin at a rate of from 7 to 15 grams/acre in combination with the application of water applied at a rate of from 8,500,000 to 103,000,000 grams/acre.
- a method of controlling or suppressing nematodes is achieved by applying a composition comprising abamectin at a rate of from 7 to 10 grams/acre in combination with the application of water applied at a rate of from 8,500,000 to 103,000,000 grams/acre.
- a method of controlling or suppressing nematodes is achieved by applying a composition comprising abamectin at a rate of from 5 to 30 grams/acre in combination with the application of water applied at a rate of from 10,000,000 to 26,500,000 grams/acre.
- a method of controlling or suppressing nematodes is achieved by applying a composition comprising abamectin at a rate of from 7 to 15 grams/acre in combination with the application of water applied at a rate of from 10,000,000 to 26,500,000 grams/acre.
- a method of controlling or suppressing nematodes is achieved by applying a composition comprising abamectin at a rate of from 7 to 10 grams/acre in combination with the application of water applied at a rate of from 10,000,000 to 26,500,000 grams/acre.
- a method of controlling or suppressing nematodes is achieved by applying a composition comprising abamectin at a rate of from 5 to 30 grams/acre in combination with the application of water applied at a rate of from 15,000,000 to 25,000,000 grams/acre.
- a method of controlling or suppressing nematodes is achieved by applying a composition comprising abamectin at a rate of from 7 to 15 grams/acre in combination with the application of water applied at a rate of from 15,000,000 to 25,000,000 grams/acre.
- a method of controlling or suppressing nematodes is achieved by applying a composition comprising abamectin at a rate of from 7 to 10 grams/acre in combination with the application of water applied at a rate of from 15,000,000 to 25,000,000 grams/acre.
- a method of controlling or suppressing nematodes is achieved by applying a composition comprising abamectin at a rate of from 8 to 9 grams/acre in combination with the application of water applied at a rate of from 15,000,000 to 25,000,000 grams/acre.
- the abamectin composition further comprises a polysorbate selected from polysorbate 20, polysorbate 40, polysorbate 60, or polysorbate 80.
- Polysorbates are generally used as emulsifiers and are derived from ethoxylated sorbitan esterified with fatty acids. Polysorbates are well known and sold under various brand names include TWEEN by Croda International, ALKEST by Oxiteno, and SCATTICS by Food Basics.
- Root-knot nematodes a common plant-parasitic nematode is from the genus Melodigoyne.
- Known root-knot nematode species include, among many others, M. javanica, M. arenaria, M. incognit, M. hapla and M. chitwoodi.
- Root-knot nematodes can survive in temperate climates and can devastate crops grown in the tropics. Most root-knot nematodes also have extremely wide host ranges. Although it is difficult to ascertain the number of hosts for any one root- knot nematode species, it is likely that some root-knot nematodes can survive on hundreds of different plant species. This can make it extremely difficult to control a root-knot nematode problem, particularly if the nematode can survive on weeds. In addition, root-knot nematodes have repeatedly been shown to predispose their host plants to infection by other crop pathogens, increasing the potential for crop loss.”
- lesion nematodes (Genus: pratylenchus), affect a great number of plant species are considered an economically damaging nematode. .
- Known lesion nematode species include, among many others, P. neglectus, P. throne, P. teres, and P. penetrans.
- nematodes counts For nematodes counts, five core samples, 12 inches in depth, and totaling 250 g soil were collected for each repetition and the live nematodes counted.
- Root-Knot Meloidogyne chitwoodi
- MINECTO PRO ® and AGRIMEK ® SC produced by Syngenta Crop Protection, Greensboro, North Carolina were applied through a chemigation system to fallow ground infested with lesion and root-knot nematodes for evaluating control and suppression of nematodes.
- MINECTO PRO ® is an insecticide product containing abamectin and cyantraniliprole and used to control various insect pests. MINECTO PRO ® contains 1.13 lbs of cyantraniliprole and 0.24 lbs of abamectin per gallon.
- AGRIMEK ® SC is a miticide/insecticide containing 0.7 lbs of abamectin per gallon. AGRIMEK ® SC also contains 1.5 lbs per gallon of Polysorbate 80.
- Treatment 1 MINECTO PRO ® - 10 floz/acre delivering a target rate of 8.5 g abamectin/acre
- Treatment 2 AGRIMEK ® SC - 3.5 floz/acre delivering a target rate of 8.5 g abamectin/acre
- Treatments 1 and 2 were each applied via chemigation, applying an equivalent of 5500 gals of water/acre (20,820,000 g of water/acre).
- Treatments 1 and 2 were each applied via chemigation, applying an equivalent of 5500 gals of water/acre (20,820,000 g of water/acre).
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- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Environmental Sciences (AREA)
- Engineering & Computer Science (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Dentistry (AREA)
- Agronomy & Crop Science (AREA)
- Toxicology (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Chemical & Material Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Catching Or Destruction (AREA)
Abstract
Methods for controlling nematodes in soil by delivering compositions of abamectin with high volumes of water through irrigation systems, such as center pivots and lateral irrigation systems having chemigation systems.
Description
TITLE
Method of Controlling Nematodes
FIELD OF THE INVENTION
The present technology relates to compositions comprising abamectin, and in particular the application of abamectin compositions with high volumes of water.
DETAILED DESCRIPTION
The present technology relates to an improved method of controlling or suppressing nematodes in farm fields and soils in general. The present technology includes application of abamectin and/or compositions comprising abamectin with high volumes of water. Generally, this application will be made through an application system commonly known as a chemigation system. Chemigation systems are well-known in the industry and commonly used to apply fertilizers, pesticides, and other chemicals through an existing irrigation system. Examples of commercially available chemigation systems include GROWSMART™ by Lindsey Corporation of Omaha, Nebraska and systems sold by AGRI-INJECT of Yuma, Colorado.
Chemigation systems can be used with any type of irrigation infrastructure, including hand-lines, wheel lines, center pivot systems and lateral systems, but are most commonly used with center pivot and lateral irrigation systems that utilize a fixed water feed (e.g. center pivot), single water feed (e.g. hose- fed lateral system), or carry an integrated chemigation system.
In an embodiment of the present technology, a method of controlling or suppressing nematodes is achieved by applying a composition comprising abamectin at a rate of from 5 to 30 grams/acre in combination with the application of water applied at a rate of from 8,500,000 to 103,000,000 grams/acre.
The application of abamectin and water can be applied simultaneously or sequentially, or a combination thereof. While application applied simultaneously is expected, an application of abamectin followed by water is also envisioned. A combination application, may include, for example that the abamectin be simultaneously applied with 5,000,000 g water/acre followed by a second 5,000,000 g water/acre application.
In another embodiment of the present technology, a method of controlling or suppressing nematodes is achieved by applying a composition comprising abamectin at a rate of from 7 to 15 grams/acre in combination with the application of water applied at a rate of from 8,500,000 to 103,000,000 grams/acre.
In another embodiment of the present technology, a method of controlling or suppressing nematodes is achieved by applying a composition comprising abamectin at a rate of from 7 to 10 grams/acre in combination with the application of water applied at a rate of from 8,500,000 to 103,000,000 grams/acre.
In another embodiment of the present technology, a method of controlling or suppressing nematodes is achieved by applying a composition comprising abamectin at a rate of from 5 to 30 grams/acre in
combination with the application of water applied at a rate of from 10,000,000 to 26,500,000 grams/acre.
In another embodiment of the present technology, a method of controlling or suppressing nematodes is achieved by applying a composition comprising abamectin at a rate of from 7 to 15 grams/acre in combination with the application of water applied at a rate of from 10,000,000 to 26,500,000 grams/acre.
In another embodiment of the present technology, a method of controlling or suppressing nematodes is achieved by applying a composition comprising abamectin at a rate of from 7 to 10 grams/acre in combination with the application of water applied at a rate of from 10,000,000 to 26,500,000 grams/acre.
In another embodiment of the present technology, a method of controlling or suppressing nematodes is achieved by applying a composition comprising abamectin at a rate of from 5 to 30 grams/acre in combination with the application of water applied at a rate of from 15,000,000 to 25,000,000 grams/acre.
In another embodiment of the present technology, a method of controlling or suppressing nematodes is achieved by applying a composition comprising abamectin at a rate of from 7 to 15 grams/acre in combination with the application of water applied at a rate of from 15,000,000 to 25,000,000 grams/acre.
In another embodiment of the present technology, a method of controlling or suppressing nematodes is achieved by applying a composition comprising abamectin at a rate of from 7 to 10 grams/acre in combination with the application of water applied at a rate of from 15,000,000 to 25,000,000 grams/acre.
In another embodiment of the present technology, a method of controlling or suppressing nematodes is achieved by applying a composition comprising abamectin at a rate of from 8 to 9 grams/acre in combination with the application of water applied at a rate of from 15,000,000 to 25,000,000 grams/acre.
It is also shown in the data below that Treatment 2 generally outperformed Treatment 1 while delivering the same target rate of abamectin. While not being bound to particular theory, it is theorized that such improvement comes from the inclusion of Polysorbate 80 found in Treatment 2. Therefore, in another embodiment of the present technology the abamectin composition further comprises a polysorbate selected from polysorbate 20, polysorbate 40, polysorbate 60, or polysorbate 80.
Polysorbates are generally used as emulsifiers and are derived from ethoxylated sorbitan esterified with fatty acids. Polysorbates are well known and sold under various brand names include TWEEN by Croda International, ALKEST by Oxiteno, and SCATTICS by Food Basics.
Additional embodiments of the present technology include a method of controlling or suppressing nematodes by applying a composition comprising abamectin and polysorbate in combination with water in the rate ranges of the embodiments below:
Nematodes
The American Phytopathological Society estimates that nematodes account for approximately 14% of all worldwide plant losses, translating to $100 billion dollars annually.
Root-knot nematodes affect a vast amount of plant species are considered one of the most
economically damaging nematodes. Root-knot nematodes, a common plant-parasitic nematode is from the genus Melodigoyne. Known root-knot nematode species include, among many others, M. javanica, M. arenaria, M. incognit, M. hapla and M. chitwoodi.
As further stated by the American Phytopathological Society "[Root-knot nematodes] can survive in temperate climates and can devastate crops grown in the tropics. Most root-knot nematodes also have extremely wide host ranges. Although it is difficult to ascertain the number of hosts for any one root- knot nematode species, it is likely that some root-knot nematodes can survive on hundreds of different plant species. This can make it extremely difficult to control a root-knot nematode problem, particularly
if the nematode can survive on weeds. In addition, root-knot nematodes have repeatedly been shown to predispose their host plants to infection by other crop pathogens, increasing the potential for crop loss."
Likewise, lesion nematodes (Genus: pratylenchus), affect a great number of plant species are considered an economically damaging nematode. . Known lesion nematode species include, among many others, P. neglectus, P. throne, P. teres, and P. penetrans.
As such, there remains a need for new and innovative methods of controlling and/or suppressing nematode populations.
Examples/Trials:
Nematode Counts:
For nematodes counts, five core samples, 12 inches in depth, and totaling 250 g soil were collected for each repetition and the live nematodes counted.
Nematode Species in Trials:
Root-Knot: Meloidogyne chitwoodi
Lesion: Pratylenchus neglectus
Treatments:
MINECTO PRO® and AGRIMEK®SC (produced by Syngenta Crop Protection, Greensboro, North Carolina) were applied through a chemigation system to fallow ground infested with lesion and root-knot nematodes for evaluating control and suppression of nematodes.
MINECTO PRO® is an insecticide product containing abamectin and cyantraniliprole and used to control various insect pests. MINECTO PRO® contains 1.13 lbs of cyantraniliprole and 0.24 lbs of abamectin per gallon.
AGRIMEK® SC is a miticide/insecticide containing 0.7 lbs of abamectin per gallon. AGRIMEK® SC also contains 1.5 lbs per gallon of Polysorbate 80.
Application Rate:
Treatment 1: MINECTO PRO®- 10 floz/acre delivering a target rate of 8.5 g abamectin/acre Treatment 2: AGRIMEK®SC - 3.5 floz/acre delivering a target rate of 8.5 g abamectin/acre
Trial 1:
Treatments 1 and 2 were each applied via chemigation, applying an equivalent of 5500 gals of water/acre (20,820,000 g of water/acre).
Trial 2:
Treatments 1 and 2 were each applied via chemigation, applying an equivalent of 5500 gals of water/acre (20,820,000 g of water/acre).
Claims
1. A method controlling or suppressing nematodes, the method comprising:
applying, to the soil of a field having nematodes, a composition comprising abamectin and water, wherein the abamectin is applied at a rate of from 5 to 30 grams/acre and the water is applied at a rate of from 8,500,000 to 103,000,000 grams/acre.
2. The method of claim 1, wherein the composition further comprises a polysorbate.
3. The method of claim 2, wherein the polysorbate is polysorbate 20, polysorbate 40, polysorbate 60, or polysorbate 80.
4. The method of claim 2, wherein the polysorbate is applied at a rate of from 1 to 1000
grams/acre.
5. The method of claim 2, wherein the abamectin is applied at a rate of from 7 to 15 grams/acre; the water is applied at a rate of from 10,000,000 to 26,500,000 grams/acre; and the polysorbate is applied at a rate of from 5 to 100 grams/acre.
6. The method of claim 1 wherein the nematode is a root-knot nematode.
7. The method of claim 5 wherein the nematode is a root-knot nematode.
8. A method of controlling or suppressing nematodes, the method comprising:
applying, to the soil of a field having nematodes, a composition comprising (i) a pesticide consisting essentially of abamectin, and (ii) water, wherein the abamectin is applied at a rate of from 5 to 30 grams/acre and the water is applied at a rate of from 8,500,000 to
103,000,000 grams/acre.
9. The method of claim 8, wherein the composition further comprises a polysorbate.
10. The method of claim 9, wherein the polysorbate is polysorbate 20, polysorbate 40, polysorbate 60, or polysorbate 80.
11. The method of claim 9, wherein the polysorbate is applied at a rate of from 1 to 1000
grams/acre.
12. The method of claim 9, wherein the abamectin is applied at a rate of from 7 to 15 grams/acre; the water is applied at a rate of from 10,000,000 to 26,500,000 grams/acre; and the polysorbate is applied at a rate of from 5 to 100 grams/acre.
13. The method of claim 8 where the nematode is a root-knot nematode.
14. The method of claim 12 where the nematode is a root-knot nematode.
15. A method controlling or suppressing nematodes, the method comprising:
applying, to the soil of a field having nematodes, a composition comprising abamectin and water, wherein the abamectin is applied at a rate of from 5 to 30 grams/acre and the water is applied at a rate of from 8,500,000 to 103,000,000 grams/acre, with the proviso that the composition does not contain cyantraniliprole.
16. The method of claim 15, wherein the composition further comprises a polysorbate.
17. The method of claim 16, wherein the polysorbate is polysorbate 20, polysorbate 40, polysorbate 60, or polysorbate 80.
18. The method of claim 15, wherein the polysorbate is applied at a rate of from 1 to 1000
grams/acre.
19. The method of claim 15, wherein the abamectin is applied at a rate of from 7 to 15 grams/acre; the water is applied at a rate of from 10,000,000 to 26,500,000 grams/acre; and the polysorbate is applied at a rate of from 5 to 100 grams/acre.
20. The method of claim 19 where the nematode is a root-knot nematode.
21. The method of claim 5, 12, or 19 wherein the polysorbate is polysorbate 80.
22. The method claim 1, 8, or 15, wherein the composition is applied through an irrigation system.
23. The method of claim 22, wherein the irrigation system is a center pivot or lateral irrigation
system.
24. The method of claim 23, wherein the irrigation system is a center pivot irrigation system.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BR112021009096-7A BR112021009096B1 (en) | 2018-11-12 | 2019-11-05 | METHODS OF CONTROL OR SUPPRESSION OF NEMATODES |
| US17/292,896 US20210400974A1 (en) | 2018-11-12 | 2019-11-05 | Method of controlling nematodes |
| AU2019381615A AU2019381615B2 (en) | 2018-11-12 | 2019-11-05 | Method of controlling nematodes |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201862758790P | 2018-11-12 | 2018-11-12 | |
| US62/758,790 | 2018-11-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO2020101941A2 true WO2020101941A2 (en) | 2020-05-22 |
| WO2020101941A3 WO2020101941A3 (en) | 2020-07-23 |
Family
ID=70731152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/US2019/059785 Ceased WO2020101941A2 (en) | 2018-11-12 | 2019-11-05 | Method of controlling nematodes |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20210400974A1 (en) |
| AU (1) | AU2019381615B2 (en) |
| WO (1) | WO2020101941A2 (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AR056077A1 (en) * | 2005-09-19 | 2007-09-19 | Syngenta Participations Ag | IMPROVED METHODS FOR THE CONTROL OF EARTH PESTS AND / OR DISEASES EMERGED FROM THE EARTH |
| AU2008286879B2 (en) * | 2007-08-13 | 2013-08-22 | Monsanto Technology Llc | Compositions and methods for controlling nematodes |
| TWI524844B (en) * | 2008-05-12 | 2016-03-11 | 先正達合夥公司 | Pesticidal compositions |
| JP5717034B2 (en) * | 2012-08-27 | 2015-05-13 | 丸和バイオケミカル株式会社 | Soil nematode control agent containing macrolide compounds |
-
2019
- 2019-11-05 AU AU2019381615A patent/AU2019381615B2/en active Active
- 2019-11-05 US US17/292,896 patent/US20210400974A1/en active Pending
- 2019-11-05 WO PCT/US2019/059785 patent/WO2020101941A2/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| BR112021009096A2 (en) | 2021-08-10 |
| US20210400974A1 (en) | 2021-12-30 |
| WO2020101941A3 (en) | 2020-07-23 |
| AU2019381615B2 (en) | 2022-11-17 |
| AU2019381615A1 (en) | 2021-06-03 |
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