CN102326567B - Wheat field weeding composition and preparation thereof - Google Patents
Wheat field weeding composition and preparation thereof Download PDFInfo
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- CN102326567B CN102326567B CN201110323770.6A CN201110323770A CN102326567B CN 102326567 B CN102326567 B CN 102326567B CN 201110323770 A CN201110323770 A CN 201110323770A CN 102326567 B CN102326567 B CN 102326567B
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- former medicine
- fluroxypyr
- amine
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- sulphur grass
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- 238000002360 preparation method Methods 0.000 title claims abstract description 14
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention relates to the field of pesticide preparations, and discloses a wheat field weeding composition. The weeding composition consists of pyroxsulam and fluroxypyr. The invention also discloses a herbicide. The herbicide consists of the weeding composition and auxiliary materials acceptable in pesticide preparations, wherein the weeding composition accounts for 10 to 90 weight percent of the herbicide. According to the weeding composition and the preparation thereof, because the pyroxsulam and the fluroxypyr are used as active ingredients and are complementary in advantages, the pesticide resistance of weed is retarded, environmental pollution is reduced, meanwhile, the pesticide effect is improved, gramineous weed and broadleaf weed can be effectively prevented and controlled by one-time application, and the consumption, the using category and the using frequency of pesticides are reduced; and the weeding composition and the preparation thereof can be widely applied in the agricultural field.
Description
Technical field
The present invention relates to pesticidal preparations field, relate to specifically a kind of Wheat field weeding composition and preparation thereof.
Background technology
Wheat is one of staple food crop of northern China, be rich in starch, protein, fat, mineral matter, calcium, iron, thiamine, vitamin b3, nicotinic acid and vitamin A etc., the cereal crops of gross yield second in the world, more than 3,000 ten thousand hectares of the long-term cultivated areas of China, are only second to Monitoring of Paddy Rice Plant Area.The most of wheat paddock of China always has crop smothering in various degree to occur, and crop smothering area accounts for the more than 55% of wheat planting area, and wherein serious harm area accounts for 28%, and lost units accounts for 15% of wheat gross yield.Therefore, the usage ratio of domestic wheat paddock weed killer herbicide almost reaches 100%.
Fluroxypyr weed killer herbicide is the weed killer herbicide that wheat paddock is conventional, to broad leaved weed clearvers, kitchen garden, black nightshade, field bindweed, knotweed, amaranth, Commeline communis, field bindweed, broadcast ma wormwood artemisia, vetch etc. and have good preventive effect.After fluroxypyr dispenser, by ruderal plant, absorbed very soon, make susceptible weeds plant occur the reaction of typical hormone herbicide, plant deformity, distortion, finally withered, be applicable to wheat, barley, corn, grape, orchard, pasture, forest land, lawn etc. and prevent and kill off broad leaved weed.But it is main weeds that weeds of wheat be take grassy weed and broad leaved weed, and fluroxypyr can only be prevented and kill off broad leaved weed, to take grassy weed that bromegrass, hard grass be Typical Representative without preventive effect.In order to protect in all directions wheat to avoid weeds harm, need to use multiple weed killer herbicide, so just increase the risk of antagonism between each weed killer herbicide, and increased dosage, increased cost, the safety of harm environment and succession crop.
Summary of the invention
In view of this, the object of the invention is to provide a kind of Wheat field weeding composition and preparation thereof, makes the present invention can prevent and kill off grassy weed and broad leaved weed simultaneously, and has synergistic effect to preventing and kill off grassy weed.
For realizing object of the present invention, the present invention adopts following technical scheme:
A Wheat field weeding composition, is comprised of pyridine sulphur grass amine and fluroxypyr.
Fluroxypyr, belong in pyridines and inhale and conduct selectivity herbicide after seedling, its mechanism of action is for promoting the activity of adenosine triphosphatase, changed the configuration of mitochondrial volume and mitochondrial membrane, suppress respiration and disturbed metabolism of nucleic acid, finally cause weeds dead, be widely used in and prevent and kill off broad leaved weed.
Pyridine sulphur grass amine, belongs to sulfonamides inner sucting conduction type, selectivity winter wheat field herbicide after seedling, and broad weed-killing spectrum, activity of weeding is high, drug action is fast.Its mechanism of action is the inhibitor of acetolactate synthestase (ALS), via grass cutting blade, sheath portion, stem or root absorption, at growing point, accumulate, suppress the synthetic of acetolactate synthestase, cause synthesizing branched-chain amino acid, and then it is synthetic to affect protein, affects weeds cell division, cause weeds to stop growing, then dead.Can effectively prevent and kill off wheatland amur foxtail, Alopecurus, hard grass, bromegrass, wild oat, Veronica, broadcast grassy weed and the broad leaved weeds such as ma wormwood artemisia, shepherd's purse, chickweed, rice crock, Herb of Common Nipplewort, and can effectively suppress the weeds such as annual bluegrass, clearvers, wartwort.
In weight portion, as preferably, Herbicidal combinations of the present invention is comprised of 1-90 part pyridine sulphur grass amine and 1-90 part fluroxypyr, more preferably 2-10 part pyridine sulphur grass amine and 20-50 part fluroxypyr, consists of, and most preferably is by 6 parts of pyridine sulphur grass amine and 45 parts of fluroxypyrs and forms.
Different herbicidal activity components are mixed rear each active component due to the difference of composition, structure, physicochemical property, make the synergy between each active component be typically expressed as synergistic effect, summation action or antagonism.So-called synergistic effect is exactly the mutual synergism between different material, and the effect of its generation is greater than the sum total of each composition effect; And the effect that summation action is exactly its generation equals the sum total of each composition effect; Antagonism refers to that when two kinds of materials act on living organism, a kind of material disturbs the effect of another kind of material, or the effect of interfering with an opponent each other, the phenomenon that general effect is declined.
The present invention, according to Sun Yunpei (Sun Y-P) method, calculates co-toxicity coefficient and evaluates pyridine sulphur grass amine effect mixed with fluroxypyr, and result shows that co-toxicity coefficient is all greater than 120, shows that the mixing use of the two has notable synergistic effect.
In addition, the present invention has carried out control of weeds test to each single-activity composition in described Herbicidal combinations and Herbicidal combinations respectively, and in described Herbicidal combinations, each active component consumption is less than the consumption of single this active component of use, result shows, the preventive effect of Herbicidal combinations of the present invention is higher than the preventive effect of single use active component, show that in Herbicidal combinations of the present invention, each active component is without cross tolerance, control efficiency has synergistic effect.
In addition, the present invention also provides a kind of weed killer herbicide, acceptable auxiliary material on Herbicidal combinations of the present invention and pesticidal preparations, consists of, and the percentage by weight that described Herbicidal combinations accounts for described weed killer herbicide is 10-90%.
Weed killer herbicide of the present invention can be by selecting corresponding carrier, surfactant, dispersant or other agricultural agents to make various formulations, and this is known in the field.As preferably, described weed killer herbicide is wetting powder, and wherein to account for the percentage by weight of described wetting powder be 20-50% to Herbicidal combinations of the present invention.Wetting powder of the present invention is by 20-50% active component, 4-10% auxiliary agent, and surplus is filler, through air-flow crushing hybrid process, obtains, and fineness meets spraying requirement, and 98% by 325 orders.
Weed killer herbicide of the present invention is also preferably water dispersible granules, and wherein to account for the percentage by weight of described water dispersible granules be 10-90% to Herbicidal combinations of the present invention.Water dispersible granules of the present invention is by 10-90% active component, 1-6% wetting agent, 1-8% dispersant, 0.1-5% interleaving agent, 1-80% carrier, and by mixing, adding, water is mediated, extruder grain forms.Disintegration, dispersion, the equal symbol water dispersible granules of the performance technical standard such as wetting.
Weed killer herbicide of the present invention is also preferably dry suspending agent, and wherein to account for the percentage by weight of described dry suspending agent be 10-85% to Herbicidal combinations of the present invention.Dry suspending agent of the present invention is by 10-85% active component, 1-10% wetting agent, dispersant 1-10%, thickener 0.5-5% mixing sand milling, spray-dried acquisition product.The performances such as granularity, suspensibility, wetability meet the requirement of dry suspending agent technical standard.
The single dose contrast that weed killer herbicide prepared by the present invention and single-activity composition are made, take each active component consumption is criterion calculation, each active component consumption in weed killer herbicide of the present invention is less than under the prerequisite of each single dose active component consumption, the preventive effect of weed killer herbicide of the present invention is higher than the preventive effect of single dose, and without cross tolerance, can effectively prevent and kill off grassy weed and broad leaved weed simultaneously.
From above technical scheme, Herbicidal combinations of the present invention and preparation thereof are usingd pyridine sulphur grass amine and fluroxypyr and are joined as active ingredient, the two mutual supplement with each other's advantages, delay the generation of herbicide resistance, and reduce the pollution to environment, and improving drug effect simultaneously, a drug can effectively be prevented and treated grassy weed and broad leaved weed, reduced the usage amount of agricultural chemicals and used kind, number of times, can be widely used in agriculture field.
Embodiment
The embodiment of the invention discloses a kind of Wheat field weeding composition and preparation thereof.Those skilled in the art can use for reference content herein, suitably improve technological parameter and realize.Special needs to be pointed out is, all similar replacements and change apparent to those skilled in the artly, they are all deemed to be included in the present invention.Product of the present invention is described by preferred embodiment, and related personnel obviously can change product as herein described or suitably change and combination within not departing from content of the present invention, spirit and scope, realizes and apply the technology of the present invention.
In order further to understand the present invention, below in conjunction with embodiment, a kind of Wheat field weeding composition provided by the invention and preparation thereof are elaborated.
Embodiment 1: the efficiency test of Herbicidal combinations of the present invention to weeds
Test in Zhengzhou, henan one wheat paddock and carry out, Herbicidal combinations is with the 96% pyridine sulphur grass former medicine of amine and the former medicine of 96% fluroxypyr.Wherein, every processing repeats for 4 times, and community area is 20m
2, Gong28Ge community, random district group is arranged, and each is processed, and former medicine clear water dissolves and final volume is identical, winter wheat, tillers the Sheng phase to jointing medication in early stage, evenly sprays.Before dispenser, add up respectively all kinds of weeds strain numbers, within after dispenser 10 days, add up respectively the dead strain number of weeds.Test processing and formulation rate are in Table 1, and control the results are shown in Table 2.Preventive effect is calculated according to formula below:
Preventive effect (%)=1-(after dispenser, the front weeds strain number of ÷ dispenser is counted in weeds strain) * 100%
Table 1 test is processed and formulation rate
Process | Reagent agent | Amount of application (g/ hectare) |
1 | The former medicine of 96% pyridine sulphur grass amine | 14 |
2 | The former medicine of 96% fluroxypyr | 120 |
3 | The former medicine of 96% pyridine sulphur grass former medicine+96% fluroxypyr of amine | 8+84 |
4 | The former medicine of 96% pyridine sulphur grass former medicine+96% fluroxypyr of amine | 8+110 |
5 | The former medicine of 96% pyridine sulphur grass former medicine+96% fluroxypyr of amine | 10+100 |
6 | The former medicine of 96% pyridine sulphur grass former medicine+96% fluroxypyr of amine | 12+90 |
7 | The former medicine of 96% pyridine sulphur grass former medicine+96% fluroxypyr of amine | 12+100 |
8 | The former medicine of 96% pyridine sulphur grass former medicine+96% fluroxypyr of amine | 13+84 |
9 | The former medicine of 96% pyridine sulphur grass former medicine+96% fluroxypyr of amine | 13+86 |
10 | Clear water |
The efficiency test of table 2 Herbicidal combinations of the present invention to weeds
As seen from the results in Table 2, active ingredient pyridine sulphur grass amine and fluroxypyr are mixed, each composition consumption is compared minimizing with the consumption of single use pyridine sulphur grass amine or fluroxypyr, but to bromegrass, hard grass, clearvers, the preventive effect of kitchen garden is higher than the preventive effect of single use pyridine sulphur grass amine or fluroxypyr, simultaneously to the overall preventive effect of grassy weed and broad leaved weed also higher than the overall preventive effect of single use pyridine sulphur grass amine or fluroxypyr, show that two kinds of active components of Herbicidal combinations of the present invention are without antagonism, and improved preventive effect, dosage and types of medicines have been reduced, number of times.
In addition, from processing 1 and 2 result of the test, Herbicidal combinations of the present invention is not to obtain because another added active component directly acts on weeds to the synergy result of control grassy weed, but due to two kinds of composite rear interactions of active component, strengthened the effect of controlling weeds each other.
Embodiment: 2:20% pyridine sulphur grass amine fluroxypyr wetting powder
The careless former medicine of amine of the 96% pyridine sulphur of take and the former medicine of 96% fluroxypyr are active raw materials, get the former medicine 15kg of pyridine sulphur grass amine, the former medicine 185kg of fluroxypyr, auxiliary agent 70kg, filler 730kg, through air-flow crushing hybrid process, obtains the wetting powder of 1000kg 20%.
The single dose contrast that weed killer herbicide prepared by the present embodiment and single-activity composition are made, take each active component consumption is criterion calculation, each active component consumption in weed killer herbicide of the present invention is less than under the prerequisite of each single dose active component consumption, the preventive effect of weed killer herbicide of the present invention is higher than the preventive effect of single dose, and without cross tolerance, can effectively prevent and kill off grassy weed and broad leaved weed simultaneously.
Embodiment 3:40% pyridine sulphur grass amine fluroxypyr wetting powder
The careless former medicine of amine of the 96% pyridine sulphur of take and the former medicine of 96% fluroxypyr are active raw materials, get the former medicine 25kg of pyridine sulphur grass amine, the former medicine 375kg of fluroxypyr, auxiliary agent 90kg, filler 510kg, through air-flow crushing hybrid process, obtains the wetting powder of 1000kg 40%.
The single dose contrast that weed killer herbicide prepared by the present embodiment and single-activity composition are made, take each active component consumption is criterion calculation, each active component consumption in weed killer herbicide of the present invention is less than under the prerequisite of each single dose active component consumption, the preventive effect of weed killer herbicide of the present invention is higher than the preventive effect of single dose, and without cross tolerance, can effectively prevent and kill off grassy weed and broad leaved weed simultaneously.
Embodiment 4:50% pyridine sulphur grass amine fluroxypyr wetting powder
The careless former medicine of amine of the 96% pyridine sulphur of take and the former medicine of 96% fluroxypyr are active raw materials, get the former medicine 40kg of pyridine sulphur grass amine, the former medicine 460kg of fluroxypyr, auxiliary agent 100kg, filler 400kg, through air-flow crushing hybrid process, obtains the wetting powder of 1000kg 50%.
The single dose contrast that weed killer herbicide prepared by the present embodiment and single-activity composition are made, take each active component consumption is criterion calculation, each active component consumption in weed killer herbicide of the present invention is less than under the prerequisite of each single dose active component consumption, the preventive effect of weed killer herbicide of the present invention is higher than the preventive effect of single dose, and without cross tolerance, can effectively prevent and kill off grassy weed and broad leaved weed simultaneously.
Embodiment: 5:40% pyridine sulphur grass amine fluroxypyr water dispersible granules
The careless former medicine of amine of the 96% pyridine sulphur of take and the former medicine of 96% fluroxypyr are active raw materials, get the former medicine 25kg of pyridine sulphur grass amine, the former medicine 375kg of fluroxypyr, wetting agent 30kg, dispersant 50kg, interleaving agent 20kg, carrier 500kg, mixes, and makes wetting powder after pulverizing, add afterwards a certain amount of water mixing extruder grain, after drying screening, make 1000kg 40% water dispersible granules.
The single dose contrast that weed killer herbicide prepared by the present embodiment and single-activity composition are made, take each active component consumption is criterion calculation, each active component consumption in weed killer herbicide of the present invention is less than under the prerequisite of each single dose active component consumption, the preventive effect of weed killer herbicide of the present invention is higher than the preventive effect of single dose, and without cross tolerance, can effectively prevent and kill off grassy weed and broad leaved weed simultaneously.
Embodiment 6:50% pyridine sulphur grass amine fluroxypyr dry suspending agent
The careless former medicine of amine of the 96% pyridine sulphur of take and the former medicine of 96% fluroxypyr are active raw materials, get the former medicine 40kg of pyridine sulphur grass amine, the former medicine 460kg of fluroxypyr, wetting agent 30kg, dispersant 50kg, thickener 40kg, carrier 380kg mixing frosted, spray-dried acquisition 1000kg 50% dry suspending agent.
The single dose contrast that weed killer herbicide prepared by the present embodiment and single-activity composition are made, take each active component consumption is criterion calculation, each active component consumption in weed killer herbicide of the present invention is less than under the prerequisite of each single dose active component consumption, the preventive effect of weed killer herbicide of the present invention is higher than the preventive effect of single dose, and without cross tolerance, can effectively prevent and kill off grassy weed and broad leaved weed simultaneously.
The explanation of above embodiment is just for helping to understand method of the present invention and core concept thereof.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of the claims in the present invention.
Claims (5)
1. a Wheat field weeding composition, is characterized in that, pyridine sulphur grass amine and the fluroxypyr of following weight, consists of:
The 96% pyridine sulphur grass former medicine 8g of amine and the former medicine 84g of 96% fluroxypyr;
The 96% pyridine sulphur grass former medicine 8g of amine and the former medicine 110g of 96% fluroxypyr;
The 96% pyridine sulphur grass former medicine 10g of amine and the former medicine 100g of 96% fluroxypyr;
The 96% pyridine sulphur grass former medicine 12g of amine and the former medicine 90g of 96% fluroxypyr;
The 96% pyridine sulphur grass former medicine 12g of amine and the former medicine 100g of 96% fluroxypyr;
The 96% pyridine sulphur grass former medicine 13g of amine and the former medicine 84g of 96% fluroxypyr;
Or, the 96% pyridine sulphur grass former medicine 13g of amine and the former medicine 86g of 96% fluroxypyr.
2. a wheat paddock weed killer herbicide, is characterized in that, acceptable auxiliary material on Herbicidal combinations described in claim 1 and pesticidal preparations, consists of, and the percentage by weight that described Herbicidal combinations accounts for described weed killer herbicide is 10-90%.
3. weed killer herbicide according to claim 2, is characterized in that, it is wetting powder, and the percentage by weight that described Herbicidal combinations accounts for described wetting powder is 20-50%.
4. weed killer herbicide according to claim 2, is characterized in that, it is water dispersible granules, and the percentage by weight that described Herbicidal combinations accounts for described water dispersible granules is 10-90%.
5. weed killer herbicide according to claim 2, is characterized in that, it is dry suspending agent, and the percentage by weight that described Herbicidal combinations accounts for described dry suspending agent is 10-85%.
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CN104054724A (en) * | 2014-06-25 | 2014-09-24 | 北京燕化永乐生物科技股份有限公司 | Weeding composition |
CN106689156A (en) * | 2016-12-23 | 2017-05-24 | 陕西上格之路生物科学有限公司 | Ternary weeding composition containing pinoxaden |
CN108990998A (en) * | 2018-08-24 | 2018-12-14 | 扬州大学 | A kind of Herbicidal combinations and its application containing trichlopyr and pyroxsulam |
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CN101808520B (en) * | 2007-08-27 | 2014-06-18 | 陶氏益农公司 | Synergistic herbicidal composition containing certain pyridine or pyrimidine carboxylic acids and certain cereal and rice herbicides |
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