CN101541166A - Defoliant composition and method - Google Patents
Defoliant composition and method Download PDFInfo
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- CN101541166A CN101541166A CNA2007800290197A CN200780029019A CN101541166A CN 101541166 A CN101541166 A CN 101541166A CN A2007800290197 A CNA2007800290197 A CN A2007800290197A CN 200780029019 A CN200780029019 A CN 200780029019A CN 101541166 A CN101541166 A CN 101541166A
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- thidiazuron
- diuron
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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
- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
- A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
- A01N47/28—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
- A01N47/36—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the group >N—CO—N< directly attached to at least one heterocyclic ring; Thio analogues thereof
Abstract
An aqueous suspension or slurry (suspension concentrate) contains a synergistic amount of thidiazuron, diuron and surfactants. The aqueous suspension contains surfactants in amounts to obtain a stable suspension or slurry without the use of organic solvents.
Description
[0001] the application examines being incorporated by reference in this text of U.S. Provisional Patent Application 60/835,463 of submitting on August 4th, 2006.
Technical field
[0002] the present invention relates to comprise the waterborne compositions of the synergistic combination of thidiazuron and diuron.The invention still further relates to the waterborne compositions of the Synergistic mixtures that comprised thidiazuron and diuron as defoliant and under with an organic solvent situation not methods for the treatment of plants.
Background technology
[0003] Bayer CropScience sells the commercial defoliant product that contains thidiazuron and diuron of a kind of commodity GINSTAR by name.This product is used on the cotton plant usually, its objective is before gathering cotton leaf is dropped.Defoliant is generally used for the controlling plant growth.When the results cotton, often defoliant is applied on the cotton plant, so that leaves can not have side effects to cotton boll simultaneously.Just can gather cotton with machine by this method, and avoid the leaf on the plant to pollute cotton.
[0004] activity that it is believed that thidiazuron in the GINSTAR product derives from the solvent that is used to disperse and spray this active component.Numerous researchers once attempted two kinds of active components are merged with identical concentration.Consequently fail to obtain and single identical activity that is called the product of GINSTAR with thidiazuron or commodity.Thidiazuron is very insoluble in many solvents, therefore needs mixture external and expensive organic solvents and cosolvent.According to believing that these organic solvents help the active of this thidiazuron and as the validity of defoliant.GINSTAR is a kind of emulsus concentrate, and it contains 1-octyl group-2-Pyrrolidone and 1-dodecyl-2-Pyrrolidone generates this emulsus concentrate as necessary solvent.This emulsus concentrate mixes with water and is applied on the plant as emulsion.The organic solvent of GINSTAR has very strong toxicity, and its processing is abnormally dangerous.This organic solvent also is considered to cause the thickness character of GINSTAR.
[0005] this GINSTAR product is when being applied to cotton leaf, and organic solvent wherein can cause rapidly burns.This makes leaf demonstrate phytotoxicity, and leaf is sticking to be stayed on the plant thereby impel, but not drops to rapidly on the ground.It is believed that this solvent can prevent that middle lamella from dissolving fully, thereby stop leaf to come off rapidly.Because dry leaf is lighter than moist leaf, so leaf is longer from plant required time that comes off by factors such as gravity, wind nature.The leaf that remains on the cotton plant is sneaked in the cotton of harvesting then, and processed in the ginning process.The leaf of small pieces is sneaked into finished product subsequently, has reduced the quality of the velveteen that is used to produce cotton goods (as cloth).
[0006] thidiazuron acts on the middle lamella of cotton plant cane, and in a few days cane is dissolved.This can make leaf freely come off from plant the cane reduction, thereby has avoided the sticking problem of staying on the plant of leaf, and remains in the quality problems that cause on the plant by leaf.The thidiazuron of GINSTAR is sold as the independent defoliant of standard.Thidiazuron uses with the ratio of every acre of 0.05 to 0.01 pound of active component.GINSTAR uses with the ratio of every acre of 0.0625 to 0.03125 pound of active component.The organic solvent of GINSTAR is considered to make leaf to become dry, and stops the middle lamella of leaf to be dissolved fully, thereby stops leaves.Because leaf remains in the problem on the cotton plant, GINSTAR is not suitable for using in many american cottons producing region.GINSTAR is also very responsive to the plant kind of employed ratio and application.
[0007] therefore, in the industry the defoliant composition of improveing is existed long-term demand.
Summary of the invention
Summary of the invention
[0008] the present invention relates to be used for the defoliant composition of plant disleave.The invention still further relates to by the number of applications epipodium so that the composition of plant disleave carries out the method for plant treatment and plant disleave.The present invention be more particularly directed to be used to handle the method and composition of cotton plant.
[0009] the present invention relates to following discovery: can by generation comprise sprout before the waterborne compositions of mixture of weed killer herbicide and defoliant strengthen the effectiveness of this defoliant.The present invention be more particularly directed to following discovery: the waterborne suspension or the slurries that have comprised the mixture of thidiazuron and diuron have shown stronger activity, particularly compare with the composition that includes the machine solvent before to have stronger disleave activity.The composition that it is found that these compositions is used more effective than each composition list.The mixture that it is found that gained has shown synergy, expects the activity of level when using similar quantity because this mixture has shown to be higher than.It is found that this mixture is effective especially to promote in the disleave at the processing cotton plant.
[0010] various aspects of the present invention relate to the waterborne compositions of the surfactant that comprises thidiazuron and diuron and this active component that suspends in this aqueous medium.The amount of contained diuron is enough to strengthen the effectiveness of this thidiazuron, and prevents the regeneration of leaf.This waterborne compositions is not for containing the waterborne suspension or the slurries of organic solvent.This thidiazuron and diuron exist with the form of solid particle, and its particle is enough little, thereby can keep suspending in aqueous medium.
[0011] another aspect of the present invention further provides the method for coming controlling plant by the waterborne compositions that is enough to effectively to handle this plant on the plant number of applications, and wherein said composition comprises thidiazuron and diuron.Method of the present invention is effective especially to the disleave of plants such as cotton.
[0012] various aspects of the present invention will become apparent by the following specific descriptions that disclosed various embodiments of the present invention.
Detailed Description Of The Invention
[0013] the present invention relates to waterborne compositions and by this waterborne compositions methods for the treatment of plants.The present invention be more particularly directed to comprise the water-based defoliant composition of the mixture of thidiazuron and diuron.Said composition comprises surfactant, so that active substance is suspended in this aqueous medium.The invention still further relates to the method that makes the plant disleave by composition from effective dose to plant that use, wherein said composition comprises the mixture of thidiazuron and diuron.In one embodiment, this waterborne compositions has comprised the mixture of independent thidiazuron or thidiazuron and diuron, and the surfactant of effective dose, dispersant, emulsifier and other additive.
[0014] an aspect of of the present present invention is following discovery: the synergy that obtains during as defoliant with the mixture of thidiazuron and diuron.This Synergistic mixtures is particularly suitable on cotton plant using causing leaf to come off from plant, thereby can gather in the crops the more velveteen of cleaning, but not by the velveteen of leaf fragment pollution.
[0015] waterborne compositions that contains this active component can be used for most of vegetation types.Said composition is particularly suitable as the defoliant as plants such as trees, fruit tree and vegetables.It is found that the cotton plant disleave before composition of the present invention is for cotton picking is effective especially.Said composition is used separately or is united use with other activating agent (for example plant growth regulator, insecticide, fertilizer etc.).
[0016] composition of the present invention is a kind of waterborne compositions, and wherein this active component exists with the form of stabilized aqueous suspension or slurries.Thidiazuron and diuron are water insoluble, only have limited dissolubility in a few known organic solvent.Active component of the present invention is insoluble to or is scattered in the organic solvent, is suspended in the aqueous medium but can be used as solid particle, and wherein this solid particle has enough little particle size distribution, thereby makes it can keep suspending and preventing particle sedimentation from suspension.Preferably, this active component has narrower particle size distribution, and has enough little centre (median) particle size this plant being provided good covering and distribution, thereby has strengthened more effective absorption of multidigit point on this plant.Waterborne suspension of the present invention or slurries have comprised the solid particle of this thidiazuron and diuron and quantitatively have been enough to suspend the surfactant of this particle.This water-soluble serous or suspension also can comprise one or more wetting agents, emulsifier, stabilizing agent and/or thickener.The suspension of gained or slurries are a kind of stable compositions, and it can be diluted to concentration required when using on plant in water.This dilute compositions comprises the thidiazuron of suspension and the particle of diuron, and it can be applied to plant by sprinkling or other known method.
[0017] composition of the present invention is waterborne suspension or slurries, does not preferably contain or do not contain substantially organic solvent.Especially, said composition does not contain 1-octyl group-2-Pyrrolidone and 1-dodecyl-2-Pyrrolidone.Term used herein " organic solvent " refer to solubilized or be partly dissolved thidiazuron at least and diuron or thidiazuron and diuron to be not enough to dissolve the organic liquid that exists in a small amount of this active component.
[0018] this waterborne suspension or slurries can comprise have surfactant, the organic liquid of emulsifier, thickener, defoamer or antifreezing agent effect.For example, in one embodiment, this waterborne compositions comprises as antifreezing agents such as propane diols.Propane diols is as solvent, and can not be as the solvent of thidiazuron or diuron.The preferred content of antifreezing agents such as propane diols is about 5wt% or still less.
[0019] thidiazuron of the present invention can adopt different quantity to reach required defoliant performance with the diuron composition.This waterborne compositions mixes with water, and is applied on the crops with the general consumption in the scope of every acre of about 2 to 8 ounces waterborne suspension or slurries.This is corresponding to every acre of about application percentage of 0.02 to 0.20 pound.This application percentage provides the defoliant attribute of improvement, and can not have phytotoxicity or have the leaf of burning that remains on the plant as previous technology or prescription.
[0020] term active component used herein refers to the thidiazuron that exists and the quantity of diuron in prescription.This waterborne suspension or slurries comprise per gallon about 0.5 to 6 pound thidiazuron and diuron as active component usually.In one embodiment, this active component is present in this waterborne suspension and the slurries with about 0.5 to the 1.5 pound amount of per gallon.This water-based thidiazuron and diuron suspension or slurries contain surfactant, by this active component is absorbed more equably, active component directly enters the middle lamella of base of leaf, make leaf come off from plant, thus the problem of having avoided adopting the technology formerly of organic solvent to cause.Water prescription of the present invention has been avoided the problem of technology formerly, and promptly this active component can't be absorbed the leaf texture of its transportation by this plant.In addition, prescription of the present invention provides more homogeneous and covering fully when being applied to climax leaves structure (have the thicker wax layer that can protect leaf, and have a plurality of absorptions site).These features can cause more active component by plant absorbing, and have improved activity.
[0021] prescription of the present invention has comprised and has been suspended in the thidiazuron in waterborne suspension or the slurries and the Synergistic mixtures of diuron as active component.Thidiazuron is the common name of 1-phenyl-3-(1,2,3-thiadiazoles-5-yl)-urea (CAS No.51707-2).Diuron is 3-(3, the 4-dichlorophenyl)-1, the common name of 1-dimethyl urea (CAS No.330-54-1).The ratio of active component can change with plant and other growth conditions.In one embodiment, the weight ratio of thidiazuron and diuron is about 1: 1 to about 5: 1, and preferred about 1: 1 to 3: 1.The weight ratio of finding thidiazuron and diuron in one embodiment is to be specially adapted to the cotton plant disleave at about 2: 1 o'clock.
[0022] prescription of a kind of preferred form of the present invention is to be prepared as the waterborne suspension that contains this active component and surfactant or the suspension-concentrates of slurries.This prescription also can comprise emulsifier and dispersant.It is believed that this surfactant can promote this active component to the diffusion of the more multidigit point on this leaves of plants surface, thereby provide to the infiltration of plant tissue higher degree or penetrate.This surfactant also helps to keep this solid active agent in the suspension.In one embodiment, this suspension-concentrates comprises the gross activity composition of 1.5 pounds of per gallons.In another embodiment, this suspension-concentrates comprises the gross activity composition of 4.5 pounds of per gallons.This suspension-concentrates comprises about 1 to the 5 pound gross activity material of per gallon usually.In other embodiments, this waterborne suspension or slurries comprise about 12wt% thidiazuron and about 6wt% diuron.
[0023] in a kind of form of the present invention, said composition is to be prepared as water-soluble serous suspension-concentrates, and wherein this solid has the predetermined particle size that can be maintained at suspension in storage and transportation.This suspension-concentrates is diluted in the water by the end user before use, and is applied on the plant with predetermined ratio.This suspension-concentrates is prepared with high shear mixing and milling apparatus usually.One of this kind method merges water with target surface activating agent, emulsifier, insecticide, antifreezing agent, defoamer and suspending agent in blender mutually.These compositions are mixed, and add insoluble thidiazuron and diuron to form the homogeneous slurries.Make slurries by grinder to obtain the target particles size.In preferred embodiment, this thidiazuron and diuron active component are ground into to be enough to keep the particle size of active component in suspended state at lay up period when being used at last by the end user.Preferably, this active component is milled to median particle size and is not more than about 5 μ m, and preferably is not more than 3 μ m.Said composition generally includes the active substance of the about 1 μ m of median particle size to about 5 μ m, preferred about 1 μ m to the 3 μ m of median particle size.
[0024] these slurries can pass through filter (for example 100 μ m filters) to remove allogenic material.For example can add other additives such as wetting agent, emulsifier, dispersant, antifreezing agent, thinner to obtain final concentrate.
[0025] used thidiazuron is a kind of technical grade product in this concentrate, comprises about 98.3% thidiazuron usually.This diuron preferably comprises the diuron technical of about 98.4% diuron usually.
[0026] this concentrate can use separately, although it preferably is diluted in the water and is applied to plant.Can add extra wetting agent, surfactant or carrier if desired.In other embodiments, said composition can be used with for example solid carriers such as clay, talcum, kaolin, lime stone.
[0027] in one embodiment, this suspension-concentrates has comprised butyl EO/PO block copolymer emulsifier and the dispersant with good wet performance.One of example of the dispersant that is suitable for is the compound with commodity Altox 4913 by name of methacrylate skeleton and PEG side chain.The example of suitable emulsifier or surfactant is the compound of commodity Atlas G-5000 by name.The emulsifier that is suitable for is the methacrylate with PEG side chain.It is believed that this emulsifier and dispersant can with the thidiazuron of single usefulness or with the mixture synergy of thidiazuron and diuron, it can effectively be absorbed by plant, and need not to use poisonous organic solvent.The content of emulsifier and dispersant accounts for about 2% to about 6% of this concentrate weight usually.In one embodiment, the content of emulsifier and dispersant accounts for about 2% to about 4.5% of this thidiazuron and diuron active component weight.Also can use multiple other the known and commercial emulsifier, surfactant and the thickener that can be under the situation that does not adopt organic solvent this active substance be suspended in the aqueous medium.
[0028] in an embodiment of the invention, this waterborne suspension concentrate comprises about 12wt% thidiazuron, about 6wt% diuron, and about 2wt% surfactant, about 2wt% dispersant, and with water balance.This concentrate also comprises insecticide, defoamer, antifreezing agent and suspending agent or thickener usually.In another embodiment, this waterborne suspension concentrate comprises about 36wt% thidiazuron, about 18wt% diuron, and about 2.5wt% surfactant is contained in about 2.3wt% dispersant of aqueous diluent.
[0029] example of suitable water prescription has comprised the 12wt% thidiazuron as described in the present invention, the 6wt% diuron, and 2.00wt%Atlas G-5000,2.00wt%Altox 4913, insecticide, defoamer, antifreezing agent, and thickener.
[0030] Pei Fang another example has comprised the 36wt% thidiazuron, the 18wt% diuron, and 2.3wt%Altox 4913,2.0wt%Atlas G-5000, defoamer, insecticide, antifreezing agent, and thickener.
[0031] Synergistic mixtures of this active component also can be united use with fungicide, insecticide, plant growth regulator (for example ethrel) and other activating agent.
Embodiment
[0032] Yi Xia non-limiting example has been described different aspect of the present invention.
Embodiment 1
[0033] in the present embodiment, can prepare the water-based concentrate by the aqueous carrier that generation comprises defoamer, surfactant, antibacterial agent and dispersant.It is water-soluble serous to form to add thidiazuron technical and diuron technical.It is about 3 μ m that these slurries are ground to median particle size.Add thickener then and as the propane diols of antifreezing agent, and mix and form the water-based concentrate.Final composition comprises the thidiazuron that accounts for this aqueous suspension composition gross weight 12wt% and the diuron of 6wt%, and does not contain organic solvent.
Embodiment 2
[0034] in the present embodiment, except the quantity of active substance, can prepare the waterborne suspension concentrate by the method for embodiment 1.In the present embodiment, this water-based concentrate comprises the 36wt% thidiazuron, 18wt% diuron, 2.3wt% dispersant, 2.0wt% emulsifier, defoamer, insecticide, antifreezing agent and thickener, and equilibrium water.Said composition does not contain organic solvent.
Embodiment 3
[0035] in the present embodiment, four parts with the mixture of the composition of embodiment 1 and ethrel repeat to be applied to respectively on the cotton plant in four different fields, Rio Grande mountain valley.Used ethrel is the aqueous mixture that per gallon contains 6 pounds of ethrels.The composition of dilute with water embodiment 1 and ethrel are to obtain spraying mixture.The mixture of gained is applied to cotton plant with the consumption of every acre of 32 ounces of ethrels and 4 ounces of embodiment 1 compositions.Ethrel is the trade name of 2-chloroethyl-phosphonic acids, and it is used to promote the plant growth regulator of blow-of-cottons.Estimation is calculated by fallen leaves after 14 to 15 days disleave percentage and blow-of-cottons percentage.This results are shown in table 1.
Table 1
| Use | Disleave % | Blow-of-cottons % |
| 1 2 3 4 | 97 92 98 97 | 96 96 95 95 |
| On average | 97.25 | 95.25 |
[0036] in the present embodiment, the ethrel with embodiment 1 mixes mutually with the emulsification concentrate product of the commodity of being sold by BayerCropScience GINSTAR (containing 12wt% thidiazuron, 6wt% diuron, 1-octyl group-2-Pyrrolidone and 1-dodecyl-2-Pyrrolidone) by name.The ratio that this mixture on the cotton plant of four parts of repeated application in the field in RioGrande mountain valley of this mixture is used is every acre of 32 ounces of ethrels and 4 ounces of GINSTAR.Estimation disleave percentage and blow-of-cottons percentage after 14 to 15 days.This results are shown in table 2.
Table 2
| Use | Disleave % | Blow-of-cottons % |
| 1 2 3 4 | 95 92 94 92 | 97 95 95 95 |
| On average | 93.25 | 95.5 |
[0037] table 1 shows with 2 result: when using with identical ratio, the disleave percentage of the waterborne compositions of embodiment 1 is higher than the emulsification concentrate of GINSTAR, and the blow-of-cottons effect is then constant substantially.
Embodiment 4
[0038] in the present embodiment, do not having to have used the waterborne compositions of embodiment 1 and the emulsification concentrate of GINSTAR under the situation of ethrel.The waterborne compositions of embodiment 1 and GINSTAR are applied on the cotton plant with 4 ounces every acre ratio.Disleave percentage after 14 days and blow-of-cottons percentage registration also are shown in the table 3.
Table 3
| Use | Disleave % | Blow-of-cottons % |
| Embodiment 1 embodiment 1 | 92 92 | 90 91 |
| On average | 92 | 90.5 |
| GINSTAR GINSTAR | 90 85 | 88 90 |
| On average | 87.5 | 89.0 |
[0039] result of table 3 shows: use the composition of embodiment 1 can obtain being higher than the disleave rate of GINSTAR, and obtain quite or slightly high blow-of-cottons rate.
Embodiment 5
[0040] in the present embodiment, with the mixture repeated application of the composition of embodiment 1 and ethrel on the cotton plant in field, Rio Grande mountain valley.Mixture is applied to cotton plant with the consumption of every acre of 32 ounces of ethrels and 4 ounces of embodiment 1 compositions.Table 4 has write down disleave percentage and blow-of-cottons percentage.
Table 4
| Use | Disleave % | Blow-of-cottons % |
| 1 2 3 | 92 95 96 | 90 90 92 |
| On average | 94.3 | 90.7 |
[0041] equally the mixture of ethrel and GINSTAR is applied to identical consumption (every acre of 32 ounces of ethrels and 4 ounces of GINSTAR) on the cotton plant in the field of same area.Table 5 has write down disleave percentage and blow-of-cottons percentage.
Table 5
| Use | Disleave % | Blow-of-cottons % |
| 1 2 3 | 85 95 90 | 85 91 90 |
| On average | 90.00 | 88.7 |
[0042] present embodiment shows that the combination of embodiment 1 compares the emulsification concentrate of GINSTAR and have higher disleave rate.
Embodiment 6
[0043] in the present embodiment, with the mixture repeated application of the composition of embodiment 1 and ethrel on the cotton plant in field, Rio Grande mountain valley.Mixture is applied to cotton plant with the consumption of every acre of 32 ounces of ethrels and 4 ounces of embodiment 1 compositions.Table 6 has write down disleave percentage and blow-of-cottons percentage.
Table 6
| Use | Disleave % | Blow-of-cottons % |
| 1 2 3 4 5 6 | 95 95 92 92 92 95 | 95 92 92 92 95 90 |
| On average | 93.5 | 92.7 |
[0044] equally the mixture of ethrel and GINSTAR is applied to identical consumption (every acre of 32 ounces of ethrels and 4 ounces of GINSTAR) on the cotton plant in the field of same area.Table 7 has write down disleave percentage and blow-of-cottons percentage.
Table 7
| Use | Disleave % | Blow-of-cottons % |
| 1 2 3 4 5 6 | 95 94 92 92 90 92 | 92 90 92 90 92 90 |
| On average | 92.5 | 91.0 |
[0045] although described various embodiment of the present invention, those skilled in the art are understood that: can carry out various changes and adjustment on the basis that does not break away from the defined scope of the present invention of claims.
Claims (26)
1. the composition that is used for controlling plant, it comprises thidiazuron, diuron and quantity are enough to thidiazuron and diuron are kept the surfactant of suspension in aqueous medium waterborne suspension or slurries.
2. composition as claimed in claim 1, wherein said thidiazuron and diuron exist with 1: 1 to 5: 1 weight ratio.
3. composition as claimed in claim 1, wherein said diuron exists with the collaborative amount that can strengthen this thidiazuron effectiveness.
4. composition as claimed in claim 1, wherein said composition further comprises at least a composition that is selected from emulsifier, wetting agent, thickener, dispersant and composition thereof.
5. composition as claimed in claim 4, wherein said composition does not contain organic solvent substantially.
6. composition as claimed in claim 1, wherein said composition is a suspension-concentrates.
7. composition as claimed in claim 6, wherein this concentrate has comprised and has accounted for the about 10wt% of this concentrate gross weight to the thidiazuron of about 40wt%, and about 5wt% diuron of about 20wt% extremely.
8. composition as claimed in claim 6, wherein this concentrate has comprised and has accounted for the about 35wt% of this concentrate gross weight to the thidiazuron of about 40wt%, and about 15wt% diuron of about 20wt% extremely.
9. composition as claimed in claim 6, it further comprises dispersant.
10. composition as claimed in claim 9, wherein this thidiazuron and diuron have the intermediate particle diameter that is not more than about 5 μ m.
11. composition as claimed in claim 9, wherein this concentrate has comprised and has accounted for the about 10wt% of this concentrate gross weight to the thidiazuron of about 40wt%, and about 5wt% is diuron, surfactant, dispersant and the equilibrium water of about 20wt% extremely.
12. composition as claimed in claim 1 wherein said composition does not contain 1-octyl group-2-Pyrrolidone and 1-dodecyl-2-Pyrrolidone.
13. the method for controlling plant, it comprises that the aqueous mixture that will quantitatively be enough to effectively to handle this plant is applied to the step of this plant, and wherein this mixture is obtained by suspension that has comprised thidiazuron, diuron and surfactant or slurries.
14. method as claimed in claim 13, wherein this diuron exists with the collaborative amount that can strengthen this thidiazuron effectiveness.
15. method as claimed in claim 13, wherein this waterborne suspension or slurries comprise part by weight be about 1: 1 to about 5: 1 thidiazuron and diuron.
16. method as claimed in claim 13, wherein to comprise part by weight be about 2: 1 thidiazuron and diuron for this waterborne suspension or slurries.
17. method as claimed in claim 13, it comprises with the amount of every acre of about 0.02 to 0.20 pound of gross activity composition uses this aqueous mixture.
18. method as claimed in claim 13, wherein this plant is a cotton plant.
19. method as claimed in claim 13, wherein this waterborne suspension or slurries do not contain organic solvent.
20. method as claimed in claim 13, wherein this waterborne suspension or slurries do not contain 1-octyl group-pyrrolidones and 1-dodecyl-2-Pyrrolidone.
21. method that makes the plant disleave, it comprises to this plant uses the mixture that quantitatively is enough to make this plant disleave, and wherein this mixture is by having comprised thidiazuron, being used to strengthen the diuron of the collaborative amount that this thidiazuron renders a service and the waterborne suspension or the slurries of surfactant obtain.
22. method as claimed in claim 21, wherein to have comprised ratio be about 1: 1 to 5: 1 thidiazuron and diuron to said composition, and wherein said composition is used with every acre of about ratio of 0.02 to 0.20 pound.
23. method as claimed in claim 21, wherein said plant are cotton plant.
24. method as claimed in claim 21, wherein this thidiazuron and diuron exist with solid particulate form, and have the median particle size that is not more than about 5 μ m.
25. method as claimed in claim 24, wherein this waterborne suspension or slurries do not contain the organic solvent that can dissolve this thidiazuron or diuron.
26. method as claimed in claim 24, wherein this waterborne suspension or slurries do not contain 1-octyl group-pyrrolidones and 1-dodecyl-2-Pyrrolidone.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US83546306P | 2006-08-04 | 2006-08-04 | |
| US60/835,463 | 2006-08-04 |
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| Publication Number | Publication Date |
|---|---|
| CN101541166A true CN101541166A (en) | 2009-09-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007800290197A Pending CN101541166A (en) | 2006-08-04 | 2007-08-03 | Defoliant composition and method |
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|---|---|
| CN (1) | CN101541166A (en) |
| AU (1) | AU2007282025A1 (en) |
| BR (1) | BRPI0715167A2 (en) |
| MX (1) | MX2009001213A (en) |
| WO (1) | WO2008019063A2 (en) |
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| CN102421294A (en) * | 2009-04-07 | 2012-04-18 | 拜尔农作物科学股份公司 | Defoliant comprising thidiazuron and 1,2,4-triazinones |
| CN104472521A (en) * | 2014-10-29 | 2015-04-01 | 浙江禾田化工有限公司 | Cotton defoliating agent |
| CN107853320A (en) * | 2017-11-10 | 2018-03-30 | 浙江天丰生物科学有限公司 | One kind compounding cotton defoliation composition |
| CN110754479A (en) * | 2019-12-03 | 2020-02-07 | 山东华阳农药化工集团有限公司 | 12% thidiazene diuron oil suspending agent and preparation method thereof |
| CN110833073A (en) * | 2019-11-27 | 2020-02-25 | 中国农业科学院棉花研究所 | Cotton defoliation ripening composition containing thidiazuron and L-lysine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2238835B1 (en) * | 2009-04-07 | 2016-04-06 | Bayer Intellectual Property GmbH | Defoliant based on thidiazuron and flufenacet |
| CN103125519A (en) * | 2013-01-17 | 2013-06-05 | 仲恺农业工程学院 | Stem section type potted plant defoliant and fallen leave processing method thereof |
| NZ720483A (en) * | 2013-12-11 | 2022-11-25 | Fine Agrochemicals Ltd | Water-dispersible plant growth regulating concentrate and processes for making and using same |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19911165B4 (en) * | 1999-03-12 | 2008-03-13 | Bayer Cropscience Ag | defoliants |
-
2007
- 2007-08-03 AU AU2007282025A patent/AU2007282025A1/en not_active Abandoned
- 2007-08-03 MX MX2009001213A patent/MX2009001213A/en active IP Right Grant
- 2007-08-03 WO PCT/US2007/017339 patent/WO2008019063A2/en active Application Filing
- 2007-08-03 CN CNA2007800290197A patent/CN101541166A/en active Pending
- 2007-08-03 BR BRPI0715167-5A2A patent/BRPI0715167A2/en not_active Application Discontinuation
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102421294A (en) * | 2009-04-07 | 2012-04-18 | 拜尔农作物科学股份公司 | Defoliant comprising thidiazuron and 1,2,4-triazinones |
| CN102421294B (en) * | 2009-04-07 | 2014-10-22 | 拜尔农作物科学股份公司 | Defoliant comprising thidiazuron and 1,2,4-triazinones |
| CN102396482A (en) * | 2011-12-28 | 2012-04-04 | 新疆锦华农药有限公司 | Thidiazuron suspension cotton defoliating agent |
| CN102396482B (en) * | 2011-12-28 | 2014-01-15 | 新疆锦华农药有限公司 | Thidiazuron suspension cotton defoliating agent |
| CN104472521A (en) * | 2014-10-29 | 2015-04-01 | 浙江禾田化工有限公司 | Cotton defoliating agent |
| CN107853320A (en) * | 2017-11-10 | 2018-03-30 | 浙江天丰生物科学有限公司 | One kind compounding cotton defoliation composition |
| CN110833073A (en) * | 2019-11-27 | 2020-02-25 | 中国农业科学院棉花研究所 | Cotton defoliation ripening composition containing thidiazuron and L-lysine |
| CN110833073B (en) * | 2019-11-27 | 2021-08-31 | 中国农业科学院棉花研究所 | Cotton defoliation ripening composition containing thidiazuron and L-lysine |
| CN110754479A (en) * | 2019-12-03 | 2020-02-07 | 山东华阳农药化工集团有限公司 | 12% thidiazene diuron oil suspending agent and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2008019063A2 (en) | 2008-02-14 |
| MX2009001213A (en) | 2009-02-13 |
| WO2008019063A3 (en) | 2008-09-04 |
| AU2007282025A1 (en) | 2008-02-14 |
| BRPI0715167A2 (en) | 2014-11-25 |
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Application publication date: 20090923 |