CN107810964A - A kind of Herbicidal combinations and its application process comprising pyraclonil - Google Patents
A kind of Herbicidal combinations and its application process comprising pyraclonil Download PDFInfo
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- CN107810964A CN107810964A CN201710118680.0A CN201710118680A CN107810964A CN 107810964 A CN107810964 A CN 107810964A CN 201710118680 A CN201710118680 A CN 201710118680A CN 107810964 A CN107810964 A CN 107810964A
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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
- 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
-
- 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
- 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
- A01N37/22—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 the nitrogen atom being directly attached to an aromatic ring system, e.g. anilides
-
- 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
- A01N43/86—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 six-membered rings with one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,3
-
- 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
The present invention relates to a kind of Herbicidal combinations and its application process comprising pyraclonil, each component of the Herbicidal combinations is according to following parts by weight：Herbicide：10‑25；Surfactant：1‑25；Oily matter：2‑30；White carbon：1‑10；Solid core core material：10‑80；KCl：1‑30；The herbicide is pyraclonil；The surfactant is that weight ratio is 1:20‑30:1 sulfonate lignin and the complexed surfactant of APES；The oily matter is that weight ratio is 1:10‑20:1 mineral oil and the compound oily matter of vegetable oil.The present invention is by selecting specific surfactant, and when particularly it is combined in certain proportion, its dispersiveness greatly reinforces, and diffusion velocity is fast, and more than 1.4m/min, active ingredient loss is down to less than 5%；And by selecting compound oily matter, its persistence improves at least 20% compared with prior art, there is preferable production application value.Further, when selecting specific active component, it has more excellent synergistic effect.
Description
Technical field
The present invention relates to pesticide field, and in particular to herbicide field, more particularly to the weeding group comprising pyraclonil
Compound and its application process.
Background technology
Direct sowing of rice technology refers to directly for seed to be seeded in the planting patterns cultivated in crop field.According to soil moisture shape
Irrigation method before and after condition and sowing, Direct-seeding Rice can be divided into four species such as water direct seeding, direct-sowing dry, wet direct-seeding and drought kind rice again
Type.Water direct seeding is most widely used at present.Rice is that a kind of one of most wide crop is planted by China at present, and total cultivated area reaches
4.5 hundred million mu.And the plantation of water direct seeding rice is very universal mostly at present.Compared compared to traditional transplanting rice seedling by hand, have and save
Work, it is laborsaving, labor productivity is high the advantages that；However, due to the process of no secondary rice transplanting, the weeds of Direct-sowing rice Tanaka send out
Life is more universal, due to traditional spray of going to the field, mixes soil and mixes the fertile weeding system spread fertilizer over the fields and generally inserted both for traditional craft
Seedling mode, do not consider in this special planting type of Direct sowing rice field for the demand of weeding.Wherein direct sowing of rice Tanaka
For example the generation of the weeds such as moleplant seed, barnyard grass is early for malignant weed, it is big that phase length, generating capacity occurs, and can account for out the 30-70% of careless total amount, go out grass
Phase is up to more than 25 days, is the malignant weed of direct sowing rice field, does not have effectively preventing method at present.
Pyraclonil belongs to the herbicides compounds of Pyrazolopyridine ring, and the annual tool awns that barnyard grass and colleague occur for it is broken
A variety of weeds of rice Cyperaceae, and broad leaved weed Chinese herbaceous peony shape Monochoria korsakowii etc. have a very high activity, but the kind is from long-term
Since, there is partial resistance, removed prior art discloses part official using pyraclonil and its with other
The herbicide of careless active component combination, such as Chinese patent 201410458494 disclose the compounding group of pyraclonil and pretilachlor
Compound, however in formulation this respect, it is only to be configured to traditional pesticidal preparations, such as granule, pulvis, missible oil；And not
Consider the specific of above-mentioned weeds, develop the preventing and treating suitable for paddy field weed, particularly direct sowing of rice field weed.
The preparation suitable on rice terrace, applicant itself have done more research to rice terrace Agrotechnical formulation, such as
201310710822.4（A kind of big granula of paddy field weed-killer and preparation method thereof）, disclose herbicide pretilachlor, pyrazosulfuron
Big granula is mixed to prepare Deng with auxiliary agents such as alkylamide APEO, phenyl phenol polyethenoxy ethers；201410670721.3（One
Paddy field weed-killer big granula of the kind containing pyrazosulfuron and dichloro quinolinic acid）, disclose containing above-mentioned active component and surface-active
The auxiliary agents such as agent, oily matter, solid core core material are mixed to prepare big granula；201610290446.1（One kind preventing and treating rice banded sclerotial blight
The composition of disease and rice blast floats big granula and preparation method thereof）Also disclose containing active component, dispersant, expansion
The big granula that the auxiliary agents such as spreader are mixed to prepare；But applicant has found that it had previously been developed big by later stage considerable research
Granula facilitates unsatisfactory in the dispersiveness, stability and slow release effect of big granula, therefore applicant is by adjusting big granula
In multiple components and respective components content, newly develop the more excellent big granule formulations of effect.
The content of the invention
It is an object of the invention to provide the weeds in a kind of effectively preventing and treating rice terrace, particularly can routinely prevent and treat,
The especially Herbicidal combinations of a variety of weeds of direct sowing of rice Tanaka.
The present invention is achieved through the following technical solutions：
A kind of Herbicidal combinations for including pyraclonil, it is characterised in that each component of the Herbicidal combinations is according to following weight
Measure part：
Herbicide：10-26；
Surfactant：1-25；
Oily matter：2-30；
White carbon：1-10；
Solid core core material：10-80
KCl：1-30；
The herbicide is pyraclonil；
The surfactant is that weight ratio is 1:20-30:1 sulfonate lignin and the composite table of APES
Face activating agent；
The oily matter is that weight ratio is 1:10-20:1 mineral oil and the compound oily matter of vegetable oil.
Preferably, the herbicide is 17-22 parts by weight, most preferably 20 parts by weight；
Preferably, the dosage of surfactant is 3-22 parts by weight, more preferably 8-20 parts by weight, most preferably 15-18 weight
Part；
Preferably, in complexed surfactant, the weight ratio of sulfonate lignin and APES is 1:10-15:
1, more preferably 1:3-5:1, most preferably 2:1；
Preferably, the dosage of compound oily matter is 5-25, more preferably 10-20, most preferably 14-16；
Preferably, in compound oily matter, the weight ratio of mineral oil and vegetable oil is 1:5-10:1, more preferably 1:2-4:1, most
Preferably 2:1.
The solid core core material is calcining float stone, calcines vermiculite, obsidian, perlite or glass pearl；Most preferably
Glass pearl.
Alternatively, the herbicide is that weight ratio is 15:1-1:5 pyraclonil and the mixture of pretilachlor Huo oxaziclomefones
Composition, preferably the weight of the two is than 5:1-1:1, the most preferably weight ratio of the two is 3:1；
Preferably, the herbicide can be that weight ratio is 15:1-1:5-1:5 pyraclonils, the second component and third component
Mixture composition, the second component are pretilachlor Huo oxaziclomefones, and third component is piperazine pyrazosulfuron, promazine Sulfometuron Methyl, and chlorine pyrrole is phonetic
Sulphur is grand, imazosulfuron or orthosulfamuron, and most preferably the weight ratio of three is 3:1:1；
Further, the present invention provides the method that above-mentioned Herbicidal combinations are applied to prevent and kill off Direct-sowing rice field weed, and its feature exists
In being thrown in rice transfer Tanaka, after rice transplanting and apply above-mentioned Herbicidal combinations；Or in direct sowing of rice Tanaka, when rice length to two leaves
Thrown during one heart stage and apply above-mentioned Herbicidal combinations；Dosage is 30-75g/ mus.
Preferably, the weeds are barnyard grass or nutgrass flatsedge.
On floating the selection of big granula auxiliary agent：In fact, applicant studies always in recent years floats big granula, such as
Applicant in authorized 201310710822.4 patent, is directed to using 16.5% pyrazosulfuron and pretilachlor
The obtained big granula of floating of complex composition prevent and treat big field weed, surfactant therein is the alkylamide of 3 parts by weight
APEO, the phenyl phenol polyethenoxy ether of 5 parts by weight is as surfactant, although preventing with good a variety of weeds
Effect, but in production practices, it has been found that the big granula bad dispersibility of the floating, it is inadequate that it is embodied in through target speed,
That is diffusion velocity is less than 0.8m/min, and then is being applied to the water surface to when reaching weeds target, its active ingredient loss 10-15%；
Applicant has found, by selecting specific surfactant, to be particularly it in certain proportion by largely studying and groping
During combination, its dispersiveness greatly reinforces, and diffusion velocity is fast, and more than 1.5m/min, active ingredient loss is down to less than 4.5%；
In addition, applicant has been unexpectedly discovered that, when the specific compound oily matter of selection, particularly the two is answered with specific ratio
Timing, the persistence that big granula is adhered at target more preferably, compared to 201310710822.4 in 16.5% pyrazosulfuron and third grass
For the complex composition of amine, its persistence improves at least 20%.
In addition, when bicyclic yellow grass ketone and pretilachlor or oxaziclomefone are configured to binary or ternary weeding composition by selection
When, it has excellent synergistic effect, and co-toxicity coefficient is more than 120.
Embodiment
In order to deepen the understanding of the present invention, below in conjunction with embodiment, the invention will be further described, these implementations
Example is only used for explaining the present invention, is not intended to limit the scope of the present invention..
First, embodiment is prepared
Prepare embodiment 1：The 18 pyraclonil white carbon of 8 parts by weight is adsorbed, then it is wooden with the sulfonate of 9 parts by weight
After element, the KCl of the phenyl phenol polyethenoxy ether of 9 parts by weight, 12 parts by weight are well mixed, after airslide disintegrating mill ultramicro grinding
To female powder.It is that glass pearl amounts to 100 by the mineral oil of female powder and 7.5 parts by weight, the vegetable oil of 7.5 parts by weight, and surplus
Parts by weight are well mixed, and are transferred in extruding granulation equipment and are granulated, and obtain irregular cylindrical particle, and obtained particle is entered
Row drying, screening, obtain the big granula finished product of pyraclonil that active constituent content is 18%.
Prepare embodiment 2：In addition to the pyraclonil of 20 parts by weight, remaining is the same as preparation embodiment 1.
Prepare embodiment 3：In addition to pyraclonil, 10 parts by weight oxaziclomefones except 10 parts by weight, remaining is implemented with preparation
Example 1.
Prepare embodiment 4：Pyraclonil except 18 parts by weight, in addition to the pretilachlor of 2 parts by weight, remaining is the same as preparing embodiment 1.
Prepare embodiment 5：Pyraclonil except 5 parts by weight, in addition to the pretilachlor of 15 parts by weight, remaining is the same as preparing embodiment 1.
Prepare embodiment 6：Pyraclonil except 15 parts by weight, in addition to the pretilachlor of 5 parts by weight, remaining is the same as preparing embodiment 1.
Prepare embodiment 7：Except surfactant is the sulfonate lignin of 20 parts by weight, the phenyl phenol polyoxy of 1 parts by weight
Outside vinethene, remaining is the same as preparation embodiment 6.
Prepare embodiment 8：Except surfactant is the sulfonate lignin of 12 parts by weight, the phenyl phenol polyoxy of 6 parts by weight
Outside vinethene, remaining is the same as preparation embodiment 6.
Prepare embodiment 9：Except surfactant is the sulfonate lignin of 1 parts by weight, the phenyl phenol polyoxy of 20 parts by weight
Outside vinethene, remaining is the same as preparation embodiment 6.
Prepare embodiment 10：Mineral oil except 20 parts by weight, in addition to the mineral oil of 1 parts by weight, remaining is the same as preparing embodiment 8；
Prepare embodiment 11：Mineral oil except 10 parts by weight, in addition to the mineral oil of 5 parts by weight, remaining is the same as preparing embodiment 8；
Prepare embodiment 12：Mineral oil except 1 parts by weight, in addition to the mineral oil of 20 parts by weight, remaining is the same as preparing embodiment 8；
Prepare embodiment 13：In addition to the pretilachlor of pyraclonil, 2 parts by weight, the promazine Sulfometuron Methyl of 2 parts by weight except 16 parts by weight,
Remaining is the same as preparation embodiment 1；
Prepare embodiment 14：In addition to the pretilachlor of pyraclonil, 4 parts by weight, the promazine Sulfometuron Methyl of 4 parts by weight except 12 parts by weight,
Remaining is the same as preparation embodiment 1；
Prepare embodiment 15：In addition to the pretilachlor of pyraclonil, 2 parts by weight, the orthosulfamuron of 2 parts by weight except 12 parts by weight,
Remaining is the same as preparation embodiment 1；
Prepare embodiment 16：In addition to the pretilachlor of pyraclonil, 4 parts by weight, the orthosulfamuron of 4 parts by weight except 12 parts by weight,
Remaining is the same as preparation embodiment 1；
Prepare embodiment 17：Except the pyraclonil of 12 parts by weight, the pyraclonil of 4 parts by weight, 4 parts by weight imazosulfuron
Outside, remaining is the same as preparation embodiment 1；
Comparative example 1：In addition to surfactant is sulfonate lignin, remaining is the same as preparation embodiment 11；
Comparative example 2：In addition to surfactant is phenyl phenol polyethenoxy ether, remaining is the same as preparation embodiment 11；
Comparative example 3：In addition to surfactant is alkylamide APEO, remaining is the same as preparation embodiment 11；
Comparative example 4：In addition to surface-active is naphthalenesulfonic acid-formaldehyde condensate, remaining is the same as preparation embodiment 11；
Comparative example 5：Except surface-active is the alkylamide APEOs of 3 parts by weight, the phenyl phenol polyethenoxy ether of 5 parts by weight
Outside, remaining is the same as preparation embodiment 11；
Comparative example 6：In addition to oily matter is the mineral oil of 15 parts by weight, remaining is the same as preparation embodiment 11；
Comparative example 7：In addition to oily matter is the vegetable oil of 15 parts by weight, remaining is the same as preparation embodiment 11.
Comparative example 8：In addition to active component is the pyraclonil of 20 parts by weight, remaining is the same as preparation embodiment 11.
Comparative example 9：In addition to active component is the pyraclonil of 20 parts by weight, remaining is the same as preparation embodiment 11.
Comparative example 10：In addition to active component is the pretilachlor of 20 parts by weight, remaining is the same as preparation embodiment 11.
Comparative example 11：In addition to active component is the promazine Sulfometuron Methyl of 20 parts by weight, remaining is the same as preparation embodiment 11.
Comparative example 12：In addition to active component is the orthosulfamuron of 20 parts by weight, remaining is the same as preparation embodiment 11.
Comparative example 13：Except active component is the pyraclonil of 10 parts by weight, in addition to the promazine Sulfometuron Methyl of 10 parts by weight, remaining is same
Prepare embodiment 11.
Comparative example 14：Except active component is the pyraclonil of 10 parts by weight, in addition to the orthosulfamuron of 10 parts by weight, remaining is same
Prepare embodiment 11.
Comparative example 15：Except active component is the pretilachlor of 10 parts by weight, in addition to the promazine Sulfometuron Methyl of 10 parts by weight, remaining is the same as system
Standby embodiment 11.
Comparative example 16：Except active component is the pretilachlors of 10 parts by weight, in addition to the orthosulfamuron of 10 parts by weight, remaining is the same as making
Standby embodiment 11.
2nd, the big granula correlated performance embodiment of the present invention
1st, water surface diffusion velocity is tested
（1）Solution and instrument
Running water：Drink level；
Tank：Long 120cm, wide 20cm, high 10cm；Water bath with thermostatic control：(30±2)℃；
Stopwatch.
（2）Water surface diffusion velocity determines
In length × width × height=120cm × 20cm × 10cm tank, running water, water layer height >=2cm are put into；Claim 20mg samples
Product are placed on the water-surface areas on tank top, it is voluntarily spread, while are just spread in the water surface with manual time-keeping, determination sample
Required time during to 1m, parallel determination three times, are averaged.Sample is determined in water surface diffusion velocity v（m/min）；
（3）Determine active ingredient loss rate
Due to floating, it into metabolic system by playing a part of weeding after big granula only reaches target weeds, its length
Time, which can not reach weeds or weeds and nearby or after applying sink under water at once, is partly considered as the part that do not work, this experiment test
5 minutes after applying, reach within 10 minutes 8 centimetres of plant diameter scope, that more than water layer 2cm active material accounts for former active material is total
Measure percentage.
Measurement result such as table 1 below：
| Embodiment | Water surface diffusion velocity m/min | After 5 minutes（%） | After 10 minutes（%） |
| 1 | 1.52 | 95.5 | 96.5 |
| 2 | 1.55 | 95.6 | 96.6 |
| 3 | 1.53 | 95.7 | 96.4 |
| 4 | 1.55 | 95.6 | 97.1 |
| 5 | 1.55 | 95.6 | 97.3 |
| 6 | 1.62 | 96.2 | 97.5 |
| 7 | 1.58 | 96.0 | 97.5 |
| 8 | 1.64 | 95.9 | 97.8 |
| 9 | 1.60 | 95.7 | 97.5 |
| 10 | 1.64 | 95.8 | 97.2 |
| 11 | 1.68 | 96.3 | 97.6 |
| 12 | 1.65 | 95.3 | 96.2 |
| 13 | 1.55 | 95.5 | 96.3 |
| 14 | 1.56 | 95.5 | 96.8 |
| 15 | 1.58 | 95.6 | 96.2 |
| 16 | 1.57 | 95.8 | 96.7 |
| 17 | 1.56 | 95.7 | 96.8 |
| Comparative example 1 | 0.70 | 86.3 | 88.3 |
| Comparative example 2 | 0.69 | 86.0 | 88.1 |
| Comparative example 3 | 0.73 | 86.4 | 88.3 |
| Comparative example 4 | 0.68 | 86.3 | 87.0 |
| Comparative example 5 | 0.70 | 85.5 | 87.3 |
Interpretation of result：As can be seen from Table 1, embodiments of the invention 1-17 relative to comparative example 1-5 in water surface diffusion velocity
And quick-acting is more excellent, particularly the present invention uses compound surfactant for the single dose of comparative example 1 and 2,
Effect is more excellent, and for the comparative example 2-5 using other kinds of surfactant and combinations thereof, effect is also more excellent.
In addition, with regard to the application itself, when selecting specific Surfactant Ratio, such as the two in preparation example 8
For 2:When 1, its effect is better compared to embodiment 7,9, and when mineral oil and vegetable oil are special ratios, i.e. embodiment
11 effect is compared to embodiment 10,12 more preferably.
2nd, big granula endurance life test is floated
It is to play herbicide effect on the water surface and on certain water layer due to floating big granula, when through after a period of time, it is
Sink under water, then show that its flotation property is bad, corresponding persistence is poor.This experiment test apply after 1 hour and 5 hours,
8 centimetres of plant diameter scope, more than water layer 2cm active component account for former active material total amount percentage.
Measurement result such as table 2 below：
| Embodiment | After 1 hour（%） | After 5 hours（%） |
| 8 | 92.9 | 92.5 |
| 10 | 92.7 | 92.2 |
| 11 | 93.3 | 92.7 |
| 12 | 92.6 | 91.9 |
| Comparative example 6 | 71.2 | 68.4 |
| Comparative example 7 | 68.1 | 66.9 |
Interpretation of result：When it is single dose to float the oily matter in big granula, it is worse in terms of persistence compared to composite finisher,
In addition, when it is special ratios, its effect is also optimal with regard to composite finisher in itself.
3rd, crop field testing experiment
The inventive method：The big granula of the floating of the embodiment of the present invention 11 is shed in rice transplanting Tanaka, in the weeds 2-3 leaf phases,
The big granula of floating of the present invention is shed in rice transplanting Tanaka on ridge, every mu is shed at 20-30, dosage 100-
120g/ mus, during dispenser, water layer keeps 4cm, water conservation 7 days after dispenser.
Control 1：Shed in the weeds 4-5 leaf phases, remaining is same as above；
Control 2：Shed in the leaf phase of weeds 1, remaining is same as above；
Control 3：Water layer keeps 3cm, and remaining is same as above；
Control 4：Water layer keeps 4.5cm, and remaining is same as above；
Control 5:201310710822.1 the formula and throwing method of middle embodiment 9, remaining is same as above.
Test its preventive effect to paddy field weed, method of its method with 201310710822.1 embodiments 9.
Dosage is 12g/ mus；
Table 3：15 days Weed-control effects after medicine（%）
| Medicament | Barnyard grass | Monochoria vaginalis | Nutgrass flatsedge | Moleplant seed | Bog pondweed | Mexicana |
| The present invention | 87.4 | 98.8 | 98.4 | 95.0 | 89.6 | 77.4 |
| Control 1 | 85.3 | 97.5 | 97.3 | 94.2 | 88.3 | 75.5 |
| Control 2 | 84.6 | 96.3 | 97.2 | 93.3 | 87.2 | 75.2 |
| Control 3 | 85.5 | 96.6 | 97.1 | 94.0 | 88.0 | 74.3 |
| Control 4 | 85.1 | 97.0 | 97.6 | 94.3 | 87.0 | 76.4 |
| Control 5 | 80.1 | 96.8 | 96.3 | 92.5 | 86.3 | 72.2 |
As can be seen from the above table, for compared to control 5, the pharmacy control efficacy of the embodiment of the present invention 11 is more excellent, in addition, even if medicament phase
Together, it is also more excellent when selecting specific weed growth phase and specific water layer, its effect.
It should be further stated that, the corresponding herbicidal effect of transplanted rice field is as above only listed herein, substantially, when
When rice field is Direct sowing rice field, rice seedling bed and dry seeded rice field, its effect is suitable, and it is several frequently seen that method of the invention is applicable this
Rice field, it will not enumerate as follows.
4th, the synergy effect that two or three of herbicidal ative composition is included in Herbicidal combinations of the present invention is further tested
Fruit, concrete outcome such as table 4 below, table 5
Herbicide synergy is evaluated using Gowing methods, its formula is E0=X+Y-XY/100
X be pyraclonil with certain dosage when alone to the fresh weight inhibition of target weeds, Y be pretilachlor with certain dosage it is alone when pair
The fresh weight inhibition of target weeds；E0For two kinds of pharmacy mix when to the theoretical value of target weeds fresh weight inhibition；E is actual measurement
Value.Following ternarys it is also same.
Table 4：Binary Herbicidal combinations of the present invention prevent and kill off the herbicide effect of nutgrass flatsedge
As seen from the above table, E- E010% is all higher than, shows obvious synergistic effect, wherein the two weight ratio is 3：When 1, synergy
Effect is most notable.
Further, applicant also measured were the triple combination of the application and prevents and kill off the activity of weeding of nutgrass flatsedge, by pyraclonil, the third grass
Amine and promazine Sulfometuron Methyl（Or orthosulfamuron）Compounded：Wherein by pyraclonil and the weight ratio of pretilachlor mixture composition
For 3:1, when being compounded with pyraclonil, claim A1；Amount ratio with third component is 4:1 two kinds of active compounds are configured to by active ingredient
Triple combination, formula carry out toxicity test by Study on Fungicide Toxicity method respectively.
Table 5：Ternary weeding composition of the present invention prevents and kill off the herbicide effect of nutgrass flatsedge
As can be seen from the above table, the triple combination performance synergistic effect, particularly when ratio is 4:Under 1 ratio, i.e. triple
It is combined into 3:1:Under 1 ratio, synergistic effect is most notable.
In addition, when third component is piperazine pyrazosulfuron, halosulfuronmethyl, imazosulfuron, itself and pyraclonil, pretilachlor
Above-mentioned experiment is carried out after combination similarly has synergistic effect, its E- E010 are all higher than, and is also when ratio is 4:1 ratio
Under, i.e., triple combination is 3:1:Under 1 ratio, synergistic effect is most notable.
A kind of Herbicidal combinations comprising pyraclonil and its application process of the present invention are entered by specific example
Description is gone, it is corresponding to realize that those skilled in the art can use for reference the link such as present invention, appropriate feed change, process conditions
Other purposes, its correlation changes all without departing from present disclosure, and all similar replacements and change are for this area skill
It is it will be apparent that being considered as being included within the scope of the present invention for art personnel.
Claims (10)
1. a kind of Herbicidal combinations for including pyraclonil, it is characterised in that each component of the Herbicidal combinations is according to as follows
Parts by weight：
Herbicide：10-25；
Surfactant：1-25；
Oily matter：2-30；
White carbon：1-10；
Solid core core material：10-80
KCl：1-30；
The herbicide is pyraclonil；
The surfactant is that weight ratio is 1:20-30:1 sulfonate lignin and the composite table of APES
Face activating agent；
The oily matter is that weight ratio is 1:10-20:1 mineral oil and the compound oily matter of vegetable oil.
2. Herbicidal combinations according to claim 1, it is characterised in that the herbicide is 20 parts by weight.
3. Herbicidal combinations according to claim 1, it is characterised in that the dosage of the surfactant is 15-18 weights
Measure part.
4. Herbicidal combinations according to claim 1, it is characterised in that sulfonate lignin and alkyl phenol the polyoxy second
The weight ratio of alkene ether is 2:1.
5. Herbicidal combinations according to claim 1, it is characterised in that the dosage of the compound oily matter is 14-16,
The weight of mineral oil and vegetable oil ratio is 2:1.
6. Herbicidal combinations according to claim 1, it is characterised in that the solid core core material is calcining float stone, forged
Burn vermiculite, obsidian, perlite or glass pearl.
7. Herbicidal combinations according to claim 1, it is characterised in that the herbicide is that weight ratio is 15:1-1:5
Pyraclonil and the mixture composition selected from pretilachlor Huo oxaziclomefones.
8. Herbicidal combinations according to claim 1, it is characterised in that the herbicide is that weight ratio is 15:1-1:5-
1:The mixture composition of 5 pyraclonils, the second component and third component, the second component are pretilachlor Huo oxaziclomefones, the 3rd group
It is divided into piperazine pyrazosulfuron, promazine Sulfometuron Methyl, halosulfuronmethyl, imazosulfuron or orthosulfamuron.
9. the method for being applied to prevent and kill off Direct-sowing rice field weed according to any described Herbicidal combinations of claim 1-8, it is special
Sign is, in rice transfer Tanaka, is thrown after rice transplanting and applies above-mentioned Herbicidal combinations；Or in direct sowing of rice Tanaka, when rice grow to
Thrown during two one heart stages of leaf and apply above-mentioned Herbicidal combinations；Dosage is 30-75g/ mus.
10. according to the method for claim 9, the weeds are barnyard grass or nutgrass flatsedge.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103688971A (en) * | 2013-12-20 | 2014-04-02 | 南京高正农用化工有限公司 | Weeding macro granule for paddy field and preparation method thereof |
| CN103828822A (en) * | 2014-02-28 | 2014-06-04 | 海利尔药业集团股份有限公司 | Weeding composition containing oxaziclomefone and pyraclonil |
| CN104255750A (en) * | 2014-09-10 | 2015-01-07 | 广东中迅农科股份有限公司 | Herbicide composition containing pyraclonil and pretilachlor |
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2017
- 2017-03-02 CN CN201710118680.0A patent/CN107810964A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103688971A (en) * | 2013-12-20 | 2014-04-02 | 南京高正农用化工有限公司 | Weeding macro granule for paddy field and preparation method thereof |
| CN103828822A (en) * | 2014-02-28 | 2014-06-04 | 海利尔药业集团股份有限公司 | Weeding composition containing oxaziclomefone and pyraclonil |
| CN104255750A (en) * | 2014-09-10 | 2015-01-07 | 广东中迅农科股份有限公司 | Herbicide composition containing pyraclonil and pretilachlor |
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Application publication date: 20180320 |