CN104012532A - A weeding composition for ginger fields - Google Patents
A weeding composition for ginger fields Download PDFInfo
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- CN104012532A CN104012532A CN201410240932.3A CN201410240932A CN104012532A CN 104012532 A CN104012532 A CN 104012532A CN 201410240932 A CN201410240932 A CN 201410240932A CN 104012532 A CN104012532 A CN 104012532A
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- propyzamide
- pendimethalin
- composition
- weeding
- ginger
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Abstract
The invention discloses a weeding composition for ginger fields. The composition comprises an active weeding component propyzamide and an active weeding component pendimethalin, with the balance being pesticide adjuvants. The weight ratio of the propyzamide to the pendimethalin is 1:20-20:1. The total weight of the pendimethalin and the propyzamide is 20-80% of the weight of the composition. According to pesticide processing technology in the prior art, the weeding composition can be prepared into water dispersible granules, wettable powder and a suspending agent, and can be used for controlling annual weeds in ginger fields. The weeding effects of the composition are superior to that of a propyzamide single agent and a pendimethalin single agent. The weeding composition broadens the weed controlling range, reduces the using amount of herbicides and delays weed resistance to herbicides.
Description
Technical field
The present invention relates to a kind of ginger field weeding composition, is that to take propyzamide and pendimethalin be active ingredient.
Background technology
Chemical method weeding is one of upper Main Means of controlling weeds of agricultural.Weed killer herbicide kind large area is used separately, easily causes weeds to develop immunity to drugs.Meanwhile, grass when weeds occur is complicated mutually, grassy weed, broad leaved weed, the mixed life of nutgrass flatsedge multiclass weeds, and single variety weed killer herbicide is used can not solve farmland weed, all can show defect and limitation in a certain respect.Variety classes weed killer herbicide is mixed, have herbicidal spectrum wide, promote actual effect, delay herbicide resistance, time and labour saving advantage.
Propyzamide is a kind of interior suction conduction selectivity acetamide-group herbicides, and its mechanism of action is to conduct by Root Absorption, disturbs the mitosis of weeds cell.Main control monocotyledon weed, to broad leaf crop safety.Lasting period in soil can reach 60d left and right.Can effectively control emerging of weeds, even after emerging, still can absorb medicament death by bud scale.Generally broadcast rear bud front more effective than early stage medication after seedling.
Pendimethalin mainly suppresses meristematic cell division, does not affect the sprouting of weed seed, but after young shoot, stem and root absorption medicament, works in suppressing weed seed germination process.Dicotyledon absorption site is hypocotyl, and monocotyledon is young shoot, and its symptom of being injured is that young shoot and secondary root are suppressed.
Variety classes weed killer herbicide is mixed, have herbicidal spectrum wide, promote actual effect, delay herbicide resistance, time and labour saving advantage.By formulation of pesticide, screening, can effectively improve actual control efficiency, reduce dosage, reduce costs, delay disease, worm, the drug-fast generation of crop smothering, is the important means that agricultural synthesis is administered.The inventor conducts in-depth research propyzamide and pendimethalin combination, finds that propyzamide and pendimethalin are combined in certain mixed ratio scope ginger field annual weed is had to synergistic effect, after further study, has completed 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, herbicide composes single problem, and a kind of environmental protection, efficient, broad weed-killing spectrum are provided, and is conducive to the Herbicidal combinations of the ginger field weed comprehensive regulation.
Technical scheme: for achieving the above object, the invention provides a kind of ginger field weeding composition, active ingredient is propyzamide and pendimethalin, the ratio of quality and the number of copies of propyzamide and pendimethalin is 1:20～20:1, and propyzamide and the mass percent of pendimethalin quality summation in composition are 20～80%.
Herbicidal combinations of the present invention is prepared into and is applicable to upper any one formulation used of agricultural by known method, and reasonable formulation has water dispersible granules, wetting powder, suspending agent.The processing technology of the various preparations of the present composition is prior art, according to different situations, can change to some extent.
The auxiliary agent using in Herbicidal combinations of the present invention comprises that solvent, emulsifier, wetting agent, stabilizing agent, dispersant, thickener, pH adjusting agent, defoamer, antifreezing agent, packing agent etc. are of value to active ingredient and in preparation, stablize and bring into play the known substance of drug effect, be all various compositions conventional in pesticidal preparations or that allow to use, concrete composition and consumption require to determine by test according to formula.
Product described in the invention can finished product preparation form provide, in composition, each material mixes, the form that the composition of composition also can single dose provides, and before use, directly in tank or bucket, mixes, and is then diluted to needed concentration.The frequency of administration of the present composition and amount of application change with weather conditions and weeds situation, can be by using suitable dosage to reach the object of preventing and kill off.
The present invention is applicable to prevent and kill off ginger field annual weed.
Composition pesticide provided by the invention, Ying Jiang broadcasts before rear seedling in use, before the annual weed bud of ginger field, uses.
Technology origin of the present invention: be further to understand the synergy that propyzamide and pendimethalin are mixed to weeds, the inventor is mixed and has carried out formulation screening test propyzamide and pendimethalin.
Test material:
Chenopodium glaucum linn (Chenopodium glaucum), field is collected seed and is preserved.
Lady's-grass (Digitaria sanguinalis (L.) Scop.), field is collected seed and is preserved.
Test apparatus:
Controlled illumination box; The accurate laboratory of POTTER spray tower; Electronic balance (sensibility reciprocal 0.1mg); Micropipette rifle etc.
Test method:
With DMF, dissolve propyzamide, the former medicine of pendimethalin respectively, add the clear water containing 0.1%Tween80 emulsion to be made into mother liquor, then by propyzamide and pendimethalin make 40+2,40+4,20+20,4+40,2+40g a.i./ha combination solution is standby.
The in-built quantitative soil of porcelain alms bowl at high 6cm, diameter 9cm, by 15 sowings of target weed seed in porcelain alms bowl, after the fine earth of lid 0.5～1cm, be placed in greenhouse and cultivate, when target weeds reveal bud, carrying out soil spraying processes, every porcelain alms bowl quantitatively sprays 1ml, every processing repeats for 4 times, and establish not the contrast that is treated to containing medicament, after processing, examination material is placed in greenhouse and cultivates, the growing state of routine observation target weeds, after 15d, estimate target be injured symptom and growth inhibition situation, and claim weeds fresh weight, with target fresh weight inhibiting rate, evaluate the toxicity action of medicament to target weeds.
Test is processed and to be estimated target be injured symptom and growth inhibition situation after 15d, and claims acrial part fresh weight, calculates fresh weight inhibiting rate (%).
According to Gowing method, evaluate weed killer herbicide associated form (NY/T1155.7-2006), its formula is as follows:
E
0﹦X﹢Y–XY/100。
In formula, X is propyzamide fresh weight inhibiting rate to target weeds when alone with certain dosage; Y is pendimethalin fresh weight inhibiting rate to target weeds when alone with certain dosage; Theoretical value to target weeds fresh weight inhibiting rate when E0 is propyzamide, two kinds of pharmacy mix of pendimethalin; Measured value to target weeds fresh weight inhibiting rate when E is propyzamide, two kinds of pharmacy mix of pendimethalin.
Evaluation criterion: work as E-E
0during > 10%, be expressed as synergistic effect; As ﹣ 10%≤E – E
0in the time of≤10%, show as summation action; As E – E
0during < ﹣ 10%, show as antagonism.
All test datas all adopt DPS v14.10 statistical software to analyze.
Measurement result show (in Table 1 and table 2), propyzamide and pendimethalin at mixed ratio 1:20～20:1 (mass ratio) to chenopodium glaucum linn, lady's-grass measurement result E – E
0> 10%, shows as synergistic effect.
Table 1, propyzamide and pendimethalin combination are measured the synergy of chenopodium glaucum linn virulence.
Table 2, different proportioning propyzamide and pendimethalin are measured the synergy of lady's-grass virulence.
Compared with prior art, beneficial effect of the present invention is: 1. preventive effect is significantly improved; 2. expanded and prevented and kill off spectrum; 3. delaying weeds produces active ingredient resistance; 4. reduced agricultural chemicals usage amount, thereby reduced cost and reduced the impact on environment.
Embodiment
The present invention describes by following specific embodiment, but the invention is not restricted to following specific embodiment.In these embodiments, unless otherwise indicated, all percentage is all weight percentage.
Mono-: 70% propyzamide pendimethalin wetting powder of preparation method embodiment.
Above-mentioned material is taken to pour in blender in proportion mix, then grind and make 70% propyzamide pendimethalin wetting powder for 2 times through airslide disintegrating mill.
Bis-: 80% propyzamide pendimethalin water-dispersible granules of preparation method embodiment.
Above-mentioned formula is taken to pour in blender in proportion mix, through airslide disintegrating mill, grind 3 times, granulation, dry, screening make 80% propyzamide pendimethalin water-dispersible granules.
Preparation method executes three: 40% propyzamide pendimethalin suspensions of example.
Above-mentioned formula is pulverized in proportion in advance, then added in sand mill and grind, after high shear mixing, allotment makes 40% propyzamide pendimethalin suspension.
Field control effectiveness test embodiment mono-: the field control effectiveness test of preventing and kill off ginger field annual weed.
Reagent agent and dispenser dosage:
(1) 70% propyzamide pendimethalin wetting powder (40% propyzamide: 30% pendimethalin), 60g (a.i.)/667m
2;
(2) 80% propyzamide pendimethalin water-dispersible granules (40% propyzamide, 40% pendimethalin), 60g (a.i.)/667m
2;
(3) 40% propyzamide pendimethalin suspensions (15% propyzamide, 25% pendimethalin), 60g (a.i.)/667m
2;
Contrast medicament and dispenser dosage:
(4) 80% propyzamide suspending agents, 100g (a.i.)/667m
2(5#);
(5) 330 grams per liter pendimethalin missible oil, 50g (a.i.)/667m
2(6#);
(6) artificial weeding.
Spraying time: on May 6th, 2013, ginger is watered 45 kilograms of soil sprayings for after planting 2 days.
Test site: Xi Liu village, Yang Li town, Laiwu City Laicheng district, Shandong Province.
Result of the test: in Table 3, as can be seen from the test results: after dispenser 30 days, propyzamide of the present invention and pendimethalin composition were prevented and kill off ginger field annual weed preventive effect more than 97.81%, significantly better than single dose of propyzamide, each contrast of pendimethalin.In process of the test, each medicament is showed no generation poisoning, to Jiang Anquan.Ginger field annual weed field control effectiveness test result (after medicine 30 days) is prevented and kill off in table 3, propyzamide and pendimethalin combination.
Claims (3)
1. a ginger field weeding composition, it is characterized in that: active ingredient is propyzamide and pendimethalin, the ratio of quality and the number of copies of propyzamide and pendimethalin is 1:20～20:1, and propyzamide and the mass percent of pendimethalin quality summation in composition are 20～80%.
2. a kind of ginger field weeding composition according to claim 1, is characterized in that: when reality is used, be prepared into a kind of of water dispersible granules, wetting powder, suspending agent.
3. a kind of ginger field weeding composition according to claim 1 is used for preventing and kill off ginger field annual weed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410240932.3A CN104012532A (en) | 2014-05-30 | 2014-05-30 | A weeding composition for ginger fields |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410240932.3A CN104012532A (en) | 2014-05-30 | 2014-05-30 | A weeding composition for ginger fields |
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| Publication Number | Publication Date |
|---|---|
| CN104012532A true CN104012532A (en) | 2014-09-03 |
Family
ID=51429763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410240932.3A Pending CN104012532A (en) | 2014-05-30 | 2014-05-30 | A weeding composition for ginger fields |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104012532A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106172397A (en) * | 2015-05-07 | 2016-12-07 | 南通嘉禾化工有限公司 | A kind of pentyl xanthate water dispersible granules |
| CN106962364A (en) * | 2017-05-31 | 2017-07-21 | 佛山市盈辉作物科学有限公司 | A kind of herbicidal composition comprising atrazine and propyzamide |
| CN107897183A (en) * | 2017-12-19 | 2018-04-13 | 山东潍坊润丰化工股份有限公司 | A kind of Herbicidal combinations and its application containing propyzamide and Oxyfluorfen |
| US20210378241A1 (en) * | 2020-06-03 | 2021-12-09 | Generic Crop Science LLC | Combination comprising a benzamide herbicide and a pyridine carboxylic acid herbicide, and a method for making and using the combination |
-
2014
- 2014-05-30 CN CN201410240932.3A patent/CN104012532A/en active Pending
Non-Patent Citations (4)
| Title |
|---|
| PHILLIP R. FROST ET AL.: "Evaluation of new herbicides in lettuce crops", 《FOURTEENTH AUSTRALIAN WEEDS CONFERENCE》 * |
| TRUNKENBOLTZ, M. ET AL.: "A contribution to the study of weed control in garlic (Allum sativum L.). shallot (A. ascalonium L.) and onion (A. cepa L.) crops.", 《COMPTE RENDU DE LA 9E CONFERENCE DU COLUMA》 * |
| 刘刚 等: "农药产品登记简讯", 《农药市场信息》 * |
| 王迪轩: "生姜、芋头田，有什么好的除草剂？", 《农药市场信息》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106172397A (en) * | 2015-05-07 | 2016-12-07 | 南通嘉禾化工有限公司 | A kind of pentyl xanthate water dispersible granules |
| CN106962364A (en) * | 2017-05-31 | 2017-07-21 | 佛山市盈辉作物科学有限公司 | A kind of herbicidal composition comprising atrazine and propyzamide |
| CN107897183A (en) * | 2017-12-19 | 2018-04-13 | 山东潍坊润丰化工股份有限公司 | A kind of Herbicidal combinations and its application containing propyzamide and Oxyfluorfen |
| CN107897183B (en) * | 2017-12-19 | 2020-11-06 | 山东潍坊润丰化工股份有限公司 | Weeding composition containing propyzamide and oxyfluorfen and application thereof |
| US20210378241A1 (en) * | 2020-06-03 | 2021-12-09 | Generic Crop Science LLC | Combination comprising a benzamide herbicide and a pyridine carboxylic acid herbicide, and a method for making and using the combination |
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| PB01 | Publication | ||
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Application publication date: 20140903 |
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