CN118000210A - Sesame field closed herbicide containing isoproturon and flumioxazin - Google Patents
Sesame field closed herbicide containing isoproturon and flumioxazin Download PDFInfo
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- CN118000210A CN118000210A CN202410186881.4A CN202410186881A CN118000210A CN 118000210 A CN118000210 A CN 118000210A CN 202410186881 A CN202410186881 A CN 202410186881A CN 118000210 A CN118000210 A CN 118000210A
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- Prior art keywords
- flumioxazin
- isoproturon
- herbicide
- sesame
- sesame field
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- 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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- 239000004009 herbicide Substances 0.000 title claims abstract description 34
- 235000003434 Sesamum indicum Nutrition 0.000 title claims abstract description 33
- FOUWCSDKDDHKQP-UHFFFAOYSA-N flumioxazin Chemical compound FC1=CC=2OCC(=O)N(CC#C)C=2C=C1N(C1=O)C(=O)C2=C1CCCC2 FOUWCSDKDDHKQP-UHFFFAOYSA-N 0.000 title claims abstract description 27
- 230000002363 herbicidal effect Effects 0.000 title claims abstract description 27
- PUIYMUZLKQOUOZ-UHFFFAOYSA-N isoproturon Chemical compound CC(C)C1=CC=C(NC(=O)N(C)C)C=C1 PUIYMUZLKQOUOZ-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 244000000231 Sesamum indicum Species 0.000 title description 22
- 241000196324 Embryophyta Species 0.000 claims abstract description 36
- 235000007516 Chrysanthemum Nutrition 0.000 claims abstract description 11
- WVQBLGZPHOPPFO-UHFFFAOYSA-N 2-chloro-N-(2-ethyl-6-methylphenyl)-N-(1-methoxypropan-2-yl)acetamide Chemical compound CCC1=CC=CC(C)=C1N(C(C)COC)C(=O)CCl WVQBLGZPHOPPFO-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000004480 active ingredient Substances 0.000 claims abstract description 8
- 239000004615 ingredient Substances 0.000 claims abstract description 4
- 241000207961 Sesamum Species 0.000 claims abstract 11
- 240000008365 Celosia argentea Species 0.000 claims description 4
- 235000000722 Celosia argentea Nutrition 0.000 claims description 4
- 244000234609 Portulaca oleracea Species 0.000 claims description 4
- 235000001855 Portulaca oleracea Nutrition 0.000 claims description 4
- -1 defoamers Substances 0.000 claims description 3
- 239000011230 binding agent Substances 0.000 claims description 2
- 239000000969 carrier Substances 0.000 claims description 2
- 239000003086 colorant Substances 0.000 claims description 2
- 239000002270 dispersing agent Substances 0.000 claims description 2
- 239000003995 emulsifying agent Substances 0.000 claims description 2
- 239000003755 preservative agent Substances 0.000 claims description 2
- 239000000080 wetting agent Substances 0.000 claims description 2
- 244000189548 Chrysanthemum x morifolium Species 0.000 claims 1
- 239000007798 antifreeze agent Substances 0.000 claims 1
- 239000007884 disintegrant Substances 0.000 claims 1
- 241000723353 Chrysanthemum Species 0.000 abstract description 10
- 230000002195 synergetic effect Effects 0.000 abstract description 6
- 206010059866 Drug resistance Diseases 0.000 abstract description 5
- 238000013329 compounding Methods 0.000 abstract description 5
- 238000007789 sealing Methods 0.000 abstract description 4
- 230000002147 killing effect Effects 0.000 abstract description 3
- 230000003405 preventing effect Effects 0.000 abstract description 3
- 239000003795 chemical substances by application Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 10
- 239000002689 soil Substances 0.000 description 10
- 235000007871 Chrysanthemum coronarium Nutrition 0.000 description 8
- 244000067456 Chrysanthemum coronarium Species 0.000 description 8
- 239000007921 spray Substances 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 239000003814 drug Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 4
- 230000012010 growth Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 239000000575 pesticide Substances 0.000 description 3
- 235000010482 polyoxyethylene sorbitan monooleate Nutrition 0.000 description 3
- 229920000053 polysorbate 80 Polymers 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000004260 weight control Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 208000011231 Crohn disease Diseases 0.000 description 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 235000007215 black sesame Nutrition 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000029553 photosynthesis Effects 0.000 description 2
- 238000010672 photosynthesis Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000001988 toxicity Effects 0.000 description 2
- 231100000419 toxicity Toxicity 0.000 description 2
- 229910052902 vermiculite Inorganic materials 0.000 description 2
- 235000019354 vermiculite Nutrition 0.000 description 2
- 239000010455 vermiculite Substances 0.000 description 2
- 240000006995 Abutilon theophrasti Species 0.000 description 1
- KSFOVUSSGSKXFI-GAQDCDSVSA-N CC1=C/2NC(\C=C3/N=C(/C=C4\N\C(=C/C5=N/C(=C\2)/C(C=C)=C5C)C(C=C)=C4C)C(C)=C3CCC(O)=O)=C1CCC(O)=O Chemical compound CC1=C/2NC(\C=C3/N=C(/C=C4\N\C(=C/C5=N/C(=C\2)/C(C=C)=C5C)C(C=C)=C4C)C(C)=C3CCC(O)=O)=C1CCC(O)=O KSFOVUSSGSKXFI-GAQDCDSVSA-N 0.000 description 1
- 206010020772 Hypertension Diseases 0.000 description 1
- 229940087098 Oxidase inhibitor Drugs 0.000 description 1
- 108020001991 Protoporphyrinogen Oxidase Proteins 0.000 description 1
- 102000005135 Protoporphyrinogen oxidase Human genes 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000003042 antagnostic effect Effects 0.000 description 1
- 239000000729 antidote Substances 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004166 bioassay Methods 0.000 description 1
- 230000004071 biological effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 210000004027 cell Anatomy 0.000 description 1
- 230000003915 cell function Effects 0.000 description 1
- 230000010261 cell growth Effects 0.000 description 1
- 210000000170 cell membrane Anatomy 0.000 description 1
- 210000002390 cell membrane structure Anatomy 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- VXIVSQZSERGHQP-UHFFFAOYSA-N chloroacetamide Chemical group NC(=O)CCl VXIVSQZSERGHQP-UHFFFAOYSA-N 0.000 description 1
- 238000011161 development Methods 0.000 description 1
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- 239000010685 fatty oil Substances 0.000 description 1
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- 150000002632 lipids Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000010413 mother solution Substances 0.000 description 1
- 230000001338 necrotic effect Effects 0.000 description 1
- 239000003883 ointment base Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005502 peroxidation Methods 0.000 description 1
- 239000008177 pharmaceutical agent Substances 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 238000001243 protein synthesis Methods 0.000 description 1
- 229950003776 protoporphyrin Drugs 0.000 description 1
- 238000000611 regression analysis Methods 0.000 description 1
- 230000027756 respiratory electron transport chain Effects 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000012748 slip agent Substances 0.000 description 1
- 238000009331 sowing Methods 0.000 description 1
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- 230000009885 systemic effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 230000014616 translation Effects 0.000 description 1
- 150000003672 ureas Chemical class 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
Landscapes
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention belongs to the technical field of herbicides, and particularly relates to a sesame field sealing herbicide containing isoproturon and flumioxazin. The sesame field closed herbicide is prepared from an active ingredient and auxiliary ingredients which are allowed to be added in the agro-pharmacy; wherein the active ingredients are prepared from isoproturon and flumioxazin according to the proportion of 1-30:15-1 or by isoproturon, flumioxazin and metolachlor according to the mass ratio of 1:1-20:8-1 by mass ratio. The herbicide prepared by compounding isoproturon and flumioxazin or the herbicide prepared by compounding isoproturon, flumioxazin and flumioxazin has a co-toxicity coefficient of more than 120 in a certain mass ratio range, shows a synergistic effect on the sesame field weeds and the chrysanthemum, can improve the preventing and killing effects on the sesame field weeds and the chrysanthemum, can delay the generation of weed drug resistance, reduces the drug resistance risk of the herbicide, and can be used for developing novel efficient herbicides.
Description
Technical Field
The invention belongs to the technical field of herbicides, and particularly relates to a sesame field sealing herbicide containing isoproturon and flumioxazin.
Background
Sesame (academic name: sesamumindicum l.) is an annual herb of the family sesamiaceae. The sesame seeds can contain 55% of oil, and can squeeze out oil besides eating. The oil can be used for eating and applying to female hair, and can also be used for medicinal use as ointment base, stick-slip agent and antidote. The sesame seeds are divided into black and white, and are respectively corresponding to black sesame seeds and white sesame seeds. Wherein, the black sesame contains fatty oil, has the effects of nourishing and nourishing, and also has the effect of treating hypertension. In the sesame planting process, weeds such as purslane, crowndaisy chrysanthemum and feather cockscomb can compete with sesame for resources such as water, light and fertilizer, and the yield of the sesame is affected.
At present, the sesame field weeds are mainly prevented and removed by adopting chemical agents, and the chemical herbicide has the advantages of convenient application, quick effect and the like, but also easily causes the generation of weed resistance. With the gradual accumulation of weed resistance, the control effect of chemical herbicide is gradually reduced or even disabled. Therefore, development of novel high-efficiency herbicides is necessary.
Isoproturon is an inhibitor of photosynthesis electron transfer, belongs to substituted urea selective pre-and post-emergence herbicides, and also has selective systemic activity. Isoproturon is mainly absorbed by roots and stems and leaves of weeds, is upwards transmitted to leaves along with moisture in a catheter, is distributed on leaf tips and leaf edges, plays a role in green cells and interferes with photosynthesis. Oxygen and carbon dioxide cannot be emitted under illumination, the growth of organic matters is stopped, and sensitive weeds die due to starvation.
The flumioxazin is a cyclic imide herbicide, and the protoporphyrinogen oxidase inhibitor is a contact-killing type selective herbicide. After the soil surface is treated with flumioxazin, the chemical is absorbed by the soil particles, a treatment layer is formed on the soil surface, and when weeds germinate, seedlings die by contacting the chemical treatment layer. When the stem and leaf are treated, they can be absorbed by young stem and leaf of plant, and can be conducted in plant body, and can quickly act on leaf surface of sensitive weed to make protoporphyrin accumulate, so that the peroxidation of cell membrane lipid can be raised, and the cell membrane structure and cell function of sensitive weed can be irreversibly damaged, and the weed can be from withered, whitened to necrotic and dead.
Metolachlor is a chloroacetamide herbicide that inhibits cell growth mainly by blocking protein synthesis. The metolachlor is absorbed and conducted upwards through plant buds, namely coleoptiles of monocotyledonous plants and hypocotyls of dicotyledonous plants, and is planted and absorbed and conducted through roots and leaves, but the absorption amount is small, and the conduction speed is low. After emergence, the seedlings are mainly absorbed by roots and conducted upwards, so that growth of buds and roots is inhibited. Sensitive weeds die in poisoning after germination and before or immediately after emergence.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person of ordinary skill in the art.
Disclosure of Invention
The invention aims to provide a sesame field sealing herbicide containing isoproturon and flumioxazin, which can improve the prevention and removal effects on sesame field weeds such as purslane, crowndaisy chrysanthemum, feather cockscomb and the like.
In order to achieve the above purpose, the present invention provides the following technical solutions:
The sesame field closed herbicide is prepared from an active ingredient and auxiliary ingredients which are allowed to be added in the agro-pharmacy; wherein the active ingredients are prepared from isoproturon and flumioxazin according to the proportion of 1-30:15-1 or by isoproturon, flumioxazin and metolachlor according to the mass ratio of 1:1-20:8-1 by mass ratio.
Preferably, the mass of the active ingredient accounts for 0.5-80% of the mass of the sesame field closing herbicide.
Preferably, the auxiliary component is selected from one or more of wetting agents, dispersing agents, emulsifying agents, disintegrating agents, binders, antifreezing agents, defoamers, colorants, preservatives, synergists, safeners and inert carriers.
The invention also provides application of the sesame field sealing herbicide in preventing and killing sesame field weeds.
Preferably, the sesame field weeds comprise purslane, chrysanthemum and feather cockscomb.
Compared with the prior art, the invention has the following beneficial effects:
The herbicide prepared by compounding isoproturon and flumioxazin or the herbicide prepared by compounding isoproturon, flumioxazin and flumioxazin has a co-toxicity coefficient of more than 120 in a certain mass ratio range, shows a synergistic effect on the sesame field weeds and the chrysanthemum, can improve the preventing and killing effects on the sesame field weeds and the chrysanthemum, can delay the generation of weed drug resistance, reduces the drug resistance risk of the herbicide, and can be used for developing novel efficient herbicides.
Detailed Description
The following description of the embodiments of the present invention will be apparent from the description of the embodiments of the present invention, which is provided in part, but not in whole. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, are intended to fall within the scope of the present invention.
Examples: indoor biological Activity assay
1. Test weeds
Crowndaisy (Abutilon theophrasti): seed is collected in the Yuanyang county, the Henan province, the bridge and the north county
2. Test agent
97% Isoproturon technical, 99.2% flumioxazin technical and 96% flumetofen technical, all of which are from the laboratory of the national institute of plant protection, academy of agricultural sciences, henan province.
The test agent is diluted into a single-agent mother solution by 0.1 percent of Tween-80 water solution after being completely dissolved by dimethyl sulfoxide; then, a plurality of groups of mixed agents are arranged, each single agent and mixed agent are diluted into 5 mass concentration gradients by 0.1 percent of Tween-80 aqueous solution, and the medicaments are prepared for use at present.
3. The test method comprises the following steps: ( Reference to section 3 of the pesticide according to the biological assay guidelines in pesticide laboratory, NY/T1155.3-2006: activity determination test soil spray method )
3.1 Weed planting test
Taking soil of a test field of the academy of agricultural sciences of Henan province, drying in the shade, sieving with a 1.19mm sieve, and mixing with the soil: turf: the mass ratio of vermiculite is 3:1:1, adding turf and vermiculite in a proportion, uniformly mixing, and quantifying 4/5 parts of a pot (with the diameter of 8.5cm and the height of 8.2 cm) of the pot, and penetrating and absorbing water through the bottom of the pot until the soil is completely wetted. Uniformly sowing the germinated crowndaisy chrysanthemum seeds on the soil surface according to the amount of 20 grains/pot, covering fine soil of 0.5cm, and carrying out medicament treatment after 12 hours.
3.2 Pharmaceutical treatment
Soil pesticide spraying treatment was performed using a 3WP-2000 traveling spray tower, a TP6501 fan-shaped spray head, a spray height of 300mm, a spray pressure of 2kg/m 2, a cone-shaped spray head flow rate of 100mL/min, a liquid medicine amount of 450L/hm 2, and 4 replicates were set for each treatment, and 0.1% Tween-80 aqueous solution treatment was set as a blank control. The culture was continued at a temperature of 25℃and a relative humidity of 45%.
3.4 Investigation and calculation
After treatment, the emergence condition and the growth state of the weeds are observed by visual inspection at regular intervals, the fresh weight of overground parts of the weeds is weighed 14d after application, the fresh weight control effect is calculated, regression analysis is carried out on the logarithmic value of the dosage of the medicament and the probability value of the fresh weight control effect by DPS software, ED 50 of each single dose and mixed agents with different proportions is calculated, and the co-toxicity coefficient (CTC value) of the mixed agents is calculated according to the grand cloud method.
In the above formula: e- -fresh weight control effect (%); c—control weed aerial fresh weight (g); t- -fresh weight of the aerial parts of the treated weeds (g).
4. Evaluation of pharmaceutical Agents
And evaluating the synergy of the mixed medicaments according to the co-toxicity coefficient (CTC), wherein CTC is less than or equal to 80 and is antagonistic, CTC is less than or equal to 80 and is less than 120 and is additive, and CTC is more than or equal to 120 and is synergistic. The results are shown in tables 1-2.
TABLE 1 toxicity measurement results of isoproturon and flumioxazin on Crohn's disease
As can be seen from Table 1, at 1-30:15-1, wherein the co-toxicity coefficient of the isoproturon and the flumioxazin to the crowndaisy after being compounded is between 121.2540 and 393.6345, which is greater than 120, indicates that the isoproturon and the flumioxazin show synergistic effect to the crowndaisy after being compounded.
TABLE 2 toxicity measurement results of isoproturon, flumioxazin and metolachlor on Crohn's disease
As can be seen from table 2, at 1:1-20:8-1, only when the mass ratio of the three is 1:1: the co-toxicity coefficient is 118.4430 and is between 80 and 120 at 1, and the additive effect is shown; the co-toxicity coefficient of the other ratios is larger than 120, which indicates that the isoproturon, the flumioxazin and the metolachlor show synergistic effect on the crowndaisy chrysanthemum after being compounded, especially when the mass ratio is 1:10: in the 1, the co-toxicity coefficient reaches 253.0634, and the synergy is particularly remarkable.
In conclusion, the herbicide prepared by compounding isoproturon and flumioxazin or isoproturon, flumioxazin and metolachlor has a co-toxicity coefficient of more than 120 in a certain mass ratio range, shows a synergistic effect, can improve the prevention and removal effect on sesame field weeds such as crowndaisy chrysanthemum, can delay the generation of weed resistance, can reduce the drug resistance risk of the herbicide, and can be used for developing novel efficient herbicides.
The foregoing descriptions of specific exemplary embodiments of the present invention are presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain the specific principles of the invention and its practical application to thereby enable one skilled in the art to make and utilize the invention in various exemplary embodiments and with various modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (5)
1. The sesame field closed herbicide is characterized by being prepared from active ingredients and auxiliary ingredients which are allowed to be added in the agro-pharmacy; wherein the active ingredients are prepared from isoproturon and flumioxazin according to the proportion of 1-30:15-1 or by isoproturon, flumioxazin and metolachlor according to the mass ratio of 1:1-20:8-1 by mass ratio.
2. Sesame field-closing herbicide according to claim 1, characterized in that the mass of the active ingredient is 0.5-80% of the mass of the sesame field-closing herbicide.
3. The sesame field closing herbicide of claim 1, wherein the auxiliary ingredient is selected from one or more of wetting agents, dispersants, emulsifiers, disintegrants, binders, antifreeze agents, defoamers, colorants, preservatives, synergists, safeners and inert carriers.
4. Use of the sesame field closing herbicide according to any one of claims 1 to 3 for controlling sesame field weeds.
5. The use according to claim 4, wherein the sesame field weeds comprise purslane, chrysanthemum and feather cockscomb.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410186881.4A CN118000210A (en) | 2024-02-20 | 2024-02-20 | Sesame field closed herbicide containing isoproturon and flumioxazin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410186881.4A CN118000210A (en) | 2024-02-20 | 2024-02-20 | Sesame field closed herbicide containing isoproturon and flumioxazin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118000210A true CN118000210A (en) | 2024-05-10 |
Family
ID=90945979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410186881.4A Pending CN118000210A (en) | 2024-02-20 | 2024-02-20 | Sesame field closed herbicide containing isoproturon and flumioxazin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118000210A (en) |
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2024
- 2024-02-20 CN CN202410186881.4A patent/CN118000210A/en active Pending
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