CN104304269A - Herbicidal composition for paddy field - Google Patents
Herbicidal composition for paddy field Download PDFInfo
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- CN104304269A CN104304269A CN201410469385.6A CN201410469385A CN104304269A CN 104304269 A CN104304269 A CN 104304269A CN 201410469385 A CN201410469385 A CN 201410469385A CN 104304269 A CN104304269 A CN 104304269A
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- herbicidal composition
- active ingredient
- weeds
- paddy field
- evil humulone
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Abstract
The invention discloses an herbicidal composition for a paddy field. The herbicidal composition comprises two effective components of pyriminobac-methyl as an effective component a and one of oxadiazon, oxaziclomefone and oxadiargyl as effective component b. A weight part ratio of the effective component a to the effective component b is in a range of 1:20 to 20:1 and the total weight of the two effective components is 1-90% that of the herbicidal composition. The herbicidal composition is suitable for preventing and extirpating annual weeds of a paddy field. Compared with a single dose, the herbicidal composition has remarkably improved prevention and control effects, reduces both the use dosage of pesticides and the adverse effects of pesticides on the ecological environment, has an important significance to the comprehensive control of weeds resistance and has huge economic and social benefits.
Description
Technical field
A kind of Herbicidal composition for rice field that the present invention relates to, belongs to pesticide combination technology.
Background technology
Chemical method weeding is one of Main Means of paddy field weed prevention and control, uses single kind compound herbicide easily to cause weeds to develop immunity to drugs.Meanwhile, grass when paddy field weed occurs is mutually complicated, and the polymorphic type such as grassy weed, broad leaved weed weeds are mixed raw, uses single kind compound herbicide all can show defect in a certain respect and limitation, can not solve farmland weed completely.Variety classes compound herbicide combines, and can expand herbicide spectrum, promote actual effect, delays herbicide resistance, time and labour saving advantage.
KIH 6127 is that a kind of inner sucting conduction type specialty of Japanese combinatorial chemistry research and development is except barnyard grass agent, belong to pyrimidinylthiobenzoate herbicides, it can by the cauline leaf of weeds and root absorption, and conduct to complete stool rapidly, suppress acetolactate synthestase (ALS) and amino acid whose biosynthesis, thus suppress and hinder the cell division in weeds bodies, weeds are stopped growing, finally makes weeds albefaction and withered.
Evil humulone is before selectivity bud, post-emergence herbicide, floods and droughts field uses, soil treatment, contacted with medicament by weeds young shoot or seedling, absorb and cause effect, dispenser after seedling, weeds are absorbed by acrial part, and medicament is accumulated in the vigorous position of growth after entering plant corpus, Developing restraint, causes weeds to organize perish.Competence exertion herbicide effect under illumination condition, but do not affect photosynthetic Hill reaction.Weeds from rudiment to the 2 ~ 3 leaf phase all to this susceptibility sense, best with weeds budding period pesticide supplying effect, with weeds grow up effect decline.
Oxaziclomefone belongs to organic heterocyclic class, is inner sucting conduction type herbicide for paddy field, primarily of root and the cauline leaf basal sink of weeds, weeds contact medicament after leaves and stems chlorosis, stop growing, until withered.
Bing Que Evil humulone is a kind of efficient, and wide spectrum herbicides for use in paddy, to annual gramineae, sedge family, broad leaved weed and some perennial weed Be very effective, has good preventive effect to malignant weed four leaf duckweed.
The present inventor to halosulfuronmethyl with Evil humulone (Huo oxaziclomefone; Or Bing Que Evil humulone) mixture conduct in-depth research, on the basis of a large amount of formula indoor screening tests and field medicine effect test, find to show obvious synergistic effect to weeds within the scope of certain mixed ratio, after further study, complete the present invention.
Summary of the invention
The object of the invention is to solve in prior art to farmland weed develop immunity to drugs problem and actual control efficiency poor, a kind of efficient, broad weed-killing spectrum is provided, is conducive to the Herbicidal combinations of the paddy field weed comprehensive regulation.
Another object of the present invention is used for preventing and kill off paddy field annual weed by this composition pesticide.
Technical scheme: for achieving the above object, the invention provides a kind of Herbicidal combinations, and comprise two kinds of active ingredient: active ingredient a and active ingredient b, active ingredient a is KIH 6127, the one in active ingredient b Xuan Zi Evil humulone, oxaziclomefone, Bing Que Evil humulone; The ratio of weight and number of active ingredient a and active ingredient b is 1:20-20:1, and two kinds of active ingredient weight summations percentage by weight is in the composition 1-90%, and surplus is agriculturally acceptable insecticides adjuvant
Described Herbicidal combinations according to well known to a person skilled in the art method, can be mixed with the application forms of the applicable agricultural uses such as wetting powder, suspending agent, granule.
Described Herbicidal combinations is also containing the agriculturally acceptable insecticides adjuvant of preparation needed for pesticidal preparations, be selected from one or more in solvent, emulsifier, wetting agent, stabilizing agent, dispersant, bleeding agent, thickener, defoamer, antifreezing agent, disintegrant, binding agent, filler, carrier, medium, surfactant, be known substance, various auxiliary agents conventional in pesticidal preparations, can change to some extent according to different situations, be not particularly limited.
The production technology of the various application forms of described Herbicidal combinations all belongs to existing known technology, does not repeat them here.
Herbicidal combinations provided by the invention, is applied to and prevents and kill off paddy field annual weed, and after paddy field is transplanted, period of seedling establishment uses.
Herbicidal combinations provided by the invention, usually adopts and is watered spraying, spreads fertilizer over the fields, gets rid of applying method use, also can adopt other operation techniques agriculturally applied as required.
The technology of the present invention is originated: for understanding the synergy of active ingredient a and active ingredient b to paddy field weed further, present inventor has performed formulation screening test:
Test material:
Barnyard grass (Echinochloa crusgalli), Monochoria vaginalis (Monochoria vaginalis), difformed galingale herb (Cyperus difformis), seed all gathers from Lao Keng village, Ren Shan town, Huidong County of Guangdong Province.
Test apparatus: controlled illumination box; The accurate laboratory spray tower of POTTER; Electronic balance (sensibility reciprocal 0.1mg); Micropipette rifle etc.
Test method: at high 6cm, the in-built quantitative soil of porcelain alms bowl of diameter 9cm, by target weed seed 15 sowing in porcelain alms bowl, be placed in greenhouse after the fine earth of lid 0.5 ~ 1cm and cultivate, soil spraying process is carried out when target weeds dew bud, every porcelain alms bowl quantitatively sprays 1ml, often process and repeat for 4 times, and set the process not containing medicament as contrasting, after process, examination material is placed in greenhouse and cultivates, the growing state of routine observation target weeds, target damage symptoms and growth inhibition situation is estimated after 15d, and claim weeds fresh weight, medicament is evaluated to the toxicity action of target weeds with target fresh weight inhibition.
Estimate target damage symptoms and growth inhibition situation after test process 15d, and claim acrial part fresh weight, calculate fresh weight inhibition (%).
Evaluate weed killer herbicide associated form (NY/T 1155.7-2006) according to Gowing method, its formula is as follows:
E
0﹦X﹢Y–XY/100。
In formula, X be active ingredient a alone with certain dosage time fresh weight inhibition to target weeds; Y is the fresh weight inhibition of active ingredient b when certain dosage is alone to target weeds; Theoretical value to target weeds fresh weight inhibition when E0 is active ingredient a, active ingredient b bis-kinds of pharmacy mix; Measured value to target weeds fresh weight inhibition when E is active ingredient a, active ingredient b two kinds of pharmacy mix.
Evaluation criterion: as E – E
0during > 10%, be expressed as synergistic effect; As ﹣ 10%≤E – E
0when≤10%, show as summation action; As E – E
0during < ﹣ 10%, show as antagonism.
All test datas all adopt DPSv14.10 statistical software to analyze.
Measurement result (see table 1, table 2 and table 3) shows that active ingredient a, active ingredient b combine, E – E
0> 10% or ﹣ 10%≤E – E
0≤ 10%, be expressed as synergy or summation action, combination of active principles of the present invention is rational.
Table 1, KIH 6127 are Yu Evil humulone combines weeds synergy measurement result.
Table 2, KIH 6127 are Yu oxaziclomefone combines weeds synergy measurement result.
Table 3, KIH 6127 and Bing Que Evil humulone combine weeds synergy measurement result.
Embodiment
In order to make object of the present invention, technical scheme and advantage more short and sweet, the following specific embodiment of the present invention is described, but the present invention is only limitted to absolutely not these examples.The following stated is only the good embodiment of the present invention, only for describing the present invention, can not be interpreted as the restriction to scope of the present invention.It should be pointed out that all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Embodiment 1.
50% phonetic careless ether Evil humulone wetting powder preparation method: mix entering in blender after following material in proportion coarse crushing, more namely 50% phonetic careless ether Evil humulone wetting powder is obtained after 2 air-flow crushings.
Embodiment 2.
10% Mi Cao Mi oxaziclomefone suspending agent preparation method: following material is pulverized in proportion in advance, then add in sand mill and grind, the obtained 10% Mi Cao Mi oxaziclomefone suspending agent system of allotment after high shear mixing.
Embodiment 3.
1% KIH 6127 Bing Que Evil humulone process for producing granula: following active ingredient and auxiliary agent are mediated through mixing and water adding; pinch-out granulator is used to pinch out and be shaped; afterwards by particle fluid-bed drying, screening, 1% KIH 6127 Bing Que Evil humulone granule can be obtained.
Embodiment 4: prevent and kill off transplanted rice field annual weed field control effectiveness test.
Reagent agent and consumption:
(1#) 50% Mi Cao Mi Evil humulone wetting powder (KIH 6127 5%; Evil humulone 45%), 667m
2effective ingredient consumption 20 grams.
(2#) 10% Mi Cao Mi oxaziclomefone suspending agent (KIH 6127 5%; Oxaziclomefone 5%), 667m
2effective ingredient consumption 2 grams.
(3#) 1% KIH 6127 Bing Que Evil humulone granule (KIH 6127 0.6%; Bing Que Evil humulone 0.4%), 667m
2effective ingredient consumption 3 grams.
(4#) 10% KIH 6127 wetting powder, 667m
2effective ingredient consumption 3 grams.
(5#) 13% Evil humulone missible oil, 667m
2effective ingredient consumption 25 grams.
(6#) 1% oxaziclomefone suspending agent, 667m
2effective ingredient consumption 3 grams.
(7#) 80% Bing Que Evil humulone suspension emulsion, 667m
2effective ingredient consumption 5 grams.
(8#) artificial weeding
Test period: spraying time on April 10th, 2014, April 30 2014 control time
Test site: Lao Keng village, Ren Shan town, Huizhou Huidong County
Application method: after rice transplanting, 5 days mixed fertilizer spreads fertilizer over the fields
Result of the test: as can be seen from table 1 result of the test, Herbicidal composition for rice field 50% Mi Cao Mi Evil humulone wetting powder of the present invention, 10% Mi Cao Mi oxaziclomefone suspending agent, 1% KIH 6127 third alkynes Evil humulone granule control transplanted rice field annual weed preventive effect 94.6%, 93.1%, 94.3%, effect is better than 10% KIH 6127 wetting powder preventive effect 71.1%, 13% Evil humulone missible oil preventive effect 71.7%, 1% oxaziclomefone suspending agent preventive effect 80.6% and 80% Bing Que Evil humulone suspension emulsion preventive effect 87.8%, test proves that Herbicidal combinations of the present invention is improved effect, expand herbicide spectrum, reduce the advantage of consumption.
Table 1, control transplanted rice field annual weed field control effectiveness test result.
Claims (5)
1. a Herbicidal composition for rice field, it is characterized in that comprising two kinds of active ingredient: active ingredient a and active ingredient b, wherein active ingredient a is KIH 6127, and active ingredient b is the one in Evil humulone, oxaziclomefone, the third alkynes Evil humulone.
2. a kind of Herbicidal composition for rice field according to claim 1, is characterized in that: the ratio of weight and number of active ingredient a and active ingredient b is 1:20-20:1.
3. a kind of Herbicidal composition for rice field according to claim 1, is characterized in that: two kinds of active ingredient weight summations percentage by weight is in the composition 1-90%, and surplus is agriculturally acceptable insecticides adjuvant.
4. a kind of Herbicidal composition for rice field according to claim 1, is characterized in that: the formulation of described Herbicidal combinations is the one in wetting powder, suspending agent, granule.
5. a kind of Herbicidal composition for rice field according to claim 1 is applicable to prevent and kill off paddy field annual weed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410469385.6A CN104304269A (en) | 2014-09-15 | 2014-09-15 | Herbicidal composition for paddy field |
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|---|---|---|---|
| CN201410469385.6A CN104304269A (en) | 2014-09-15 | 2014-09-15 | Herbicidal composition for paddy field |
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| CN104304269A true CN104304269A (en) | 2015-01-28 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105052974A (en) * | 2015-08-11 | 2015-11-18 | 广东中迅农科股份有限公司 | Pesticide composition containing pyriminobac-methyl, oxaziclomefone and sulfonylurea herbicide |
| CN105076159A (en) * | 2014-05-07 | 2015-11-25 | 合肥星宇化学有限责任公司 | Weed killing composition and preparation thereof |
| CN105265450A (en) * | 2015-11-04 | 2016-01-27 | 广东中迅农科股份有限公司 | Weeding composition containing pyrithiobac-sodium, oxyfluorfen and oxadiazon |
| CN105284829A (en) * | 2015-11-04 | 2016-02-03 | 广东中迅农科股份有限公司 | Weeding composition containing (E)-pyriminobac-methyl, oxyfluorfen and oxadiargyl |
| CN105379734A (en) * | 2015-11-26 | 2016-03-09 | 广东中迅农科股份有限公司 | Weeding composition prepared from pyriminobac-methyl, oxadiargyl and triafamone |
| CN107018981A (en) * | 2017-05-27 | 2017-08-08 | 北京科发伟业农药技术中心 | A kind of Herbicidal combinations of Han oxaziclomefones |
| CN112088891A (en) * | 2020-10-26 | 2020-12-18 | 安徽润农腾辉生物科技有限公司 | Weeding composition containing oxaziclomefone, pretilachlor and pyriminobac-methyl |
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| CN1075479A (en) * | 1992-01-30 | 1993-08-25 | 三菱油化株式会社 | 1,3- piperazine-4-ketone derivatives and contain the weedicide of this derivative and be used to make the novel intermediates of this weedicide |
| CN103461351A (en) * | 2013-08-20 | 2013-12-25 | 湖南农大海特农化有限公司 | Weeding composition containing bentazone and pyriminobac-methyl |
| CN103749480A (en) * | 2014-02-12 | 2014-04-30 | 中国中化股份有限公司 | Paddy field herbicide composition and application |
| CN103960254A (en) * | 2014-04-08 | 2014-08-06 | 广东中迅农科股份有限公司 | Herbicide composition containing mesotrione |
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2014
- 2014-09-15 CN CN201410469385.6A patent/CN104304269A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1075479A (en) * | 1992-01-30 | 1993-08-25 | 三菱油化株式会社 | 1,3- piperazine-4-ketone derivatives and contain the weedicide of this derivative and be used to make the novel intermediates of this weedicide |
| CN103461351A (en) * | 2013-08-20 | 2013-12-25 | 湖南农大海特农化有限公司 | Weeding composition containing bentazone and pyriminobac-methyl |
| CN103749480A (en) * | 2014-02-12 | 2014-04-30 | 中国中化股份有限公司 | Paddy field herbicide composition and application |
| CN103960254A (en) * | 2014-04-08 | 2014-08-06 | 广东中迅农科股份有限公司 | Herbicide composition containing mesotrione |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105076159A (en) * | 2014-05-07 | 2015-11-25 | 合肥星宇化学有限责任公司 | Weed killing composition and preparation thereof |
| CN105052974A (en) * | 2015-08-11 | 2015-11-18 | 广东中迅农科股份有限公司 | Pesticide composition containing pyriminobac-methyl, oxaziclomefone and sulfonylurea herbicide |
| CN105265450A (en) * | 2015-11-04 | 2016-01-27 | 广东中迅农科股份有限公司 | Weeding composition containing pyrithiobac-sodium, oxyfluorfen and oxadiazon |
| CN105284829A (en) * | 2015-11-04 | 2016-02-03 | 广东中迅农科股份有限公司 | Weeding composition containing (E)-pyriminobac-methyl, oxyfluorfen and oxadiargyl |
| CN105379734A (en) * | 2015-11-26 | 2016-03-09 | 广东中迅农科股份有限公司 | Weeding composition prepared from pyriminobac-methyl, oxadiargyl and triafamone |
| CN107018981A (en) * | 2017-05-27 | 2017-08-08 | 北京科发伟业农药技术中心 | A kind of Herbicidal combinations of Han oxaziclomefones |
| CN112088891A (en) * | 2020-10-26 | 2020-12-18 | 安徽润农腾辉生物科技有限公司 | Weeding composition containing oxaziclomefone, pretilachlor and pyriminobac-methyl |
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Application publication date: 20150128 |
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