CN107897188A - A kind of Wheat field weeding composition containing iso-propyl-ester nitrofen and fluroxypyr - Google Patents
A kind of Wheat field weeding composition containing iso-propyl-ester nitrofen and fluroxypyr Download PDFInfo
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- CN107897188A CN107897188A CN201711141469.7A CN201711141469A CN107897188A CN 107897188 A CN107897188 A CN 107897188A CN 201711141469 A CN201711141469 A CN 201711141469A CN 107897188 A CN107897188 A CN 107897188A
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- propyl
- fluroxypyr
- iso
- ester nitrofen
- ester
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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
- A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
- A01N43/40—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings
-
- 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
- A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
- A01N43/54—1,3-Diazines; Hydrogenated 1,3-diazines
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- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
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- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The present invention discloses a kind of Wheat field weeding composition containing iso-propyl-ester nitrofen and fluroxypyr, the Herbicidal combinations include effective ingredient, the effective ingredient is made of iso-propyl-ester nitrofen and fluroxypyr, and the mass ratio of the iso-propyl-ester nitrofen and fluroxypyr is 1 ~ 50：1~50.The Herbicidal combinations of the present invention have synergistic effect, expand herbicide controlling spectrum, it is mainly used for wheat paddock annual grassy weeds, such as grassy weed amur foxtail, Alopecurus, bromegrass, annual bluegrass, hard grass, caput grass, Chinese silvergrass, broad leaved weed ox chickweed, clearvers, wartwort, shepherd's purse, Herb of Common Nipplewort etc., 30 days average decline rates are up to 90.09% after its medicine, averagely prevent and kill off rate as 98.57%.
Description
Technical field
It is more particularly to a kind of containing iso-propyl-ester nitrofen and fluroxypyr the invention belongs to pesticide herbicide technical field
Wheat field weeding composition.
Background technology
According to national weeds reconnaissance information, China's wheat weeds species has kind more than 200, and crop smothering area accounts for wheat planting face
Long-pending more than 30%, loss account for the 15% of wheat total output.Wherein ox chickweed, clearvers, Descurainia sophia, common vetch etc. endanger
Seriously.But with long-term, the large scale application of herbicide, there are Weed Resistance, population succession for farmland weed chemical control
It is on the rise with drug injury problem, seriously affects the high yield of wheat and the safety of succession crop.At present, medicament is commonly used in wheatland to exist
Some drawbacks：Such as sulfonylurea herbicide tribenuron-methyl, bensulfuron-methyl dosage is excessive and use too late can be to succession crop peanut, big
Beans cause poisoning；Phenoxy carboxylic acid herbicides 2,4- d butyl esters, mcpa sodium dosage are excessive and administration is improper easily causes work
Thing poisoning, which produces drift, to produce poisoning to neighbouring dicotyledonous crops.Although in addition if long-time service single herbicide is prevented and kill off
Sensitization weeds quantity declines, but insensitive or malignant weed quantity rises, and causes weed community to change.
The winter wheat producing region of herbicide single use, there occurs serious change, clearvers, wartwort, grandmother's sodium, shepherd's purse for weed community in wheat field
The malignant weed that a variety of herbicides such as dish are difficult to prevent increases year by year, and has seriously affected the harvest of wheat crop yield.
Iso-propyl-ester nitrofen is a kind of new herbicides for belonging to miazines, and iso-propyl-ester nitrofen is China's independent intellectual property right
Rapeseed Field novel herbicide, is absorbed by root, bud, stem, leaf and is conducted in plant, based on root, stem absorption and conducting upwards.It is main
It is used for Rapeseed Field, annual gramineous weed and part broad leaved weed can be prevented and kill off, such as：Amur foxtail, crack rice grass, chickweed etc..
Fluroxypyr is inner sucting conduction type herbicide after seedling, is absorbed by plants quickly after medicine, sensitive plant occurs
The reaction of classical hormones class herbicide, plant deformity, distortion are final withered.Suitable for wheat, barley, corn, grape, orchard,
Prevent and kill off broad leaved weed in the ground such as pasture, forest land, lawn；Such as clearvers, volume stem smartweed, purslane, black nightshade, field bindweed, knotweed, amaranth, it is right
Grassy weed is invalid.
The content of the invention
The purpose of the present invention is be just to provide a kind of synergistic effect significantly, broad weed-killing spectrum, to wheat and succession crop safety
The herbicide composition for wheat field containing iso-propyl-ester nitrofen and fluroxypyr.
The wheat field herbicide composition of the present invention takes following scheme to realize：
A kind of Wheat field weeding composition containing iso-propyl-ester nitrofen and fluroxypyr, the Herbicidal combinations include
Composition is imitated, the effective ingredient is made of iso-propyl-ester nitrofen and fluroxypyr, iso-propyl-ester nitrofen and chlorine fluorine the pyrrole oxygen
The mass ratio of acetic acid is 1~50：1~50.
Further scheme, the mass ratio of the iso-propyl-ester nitrofen and fluroxypyr is 2~15：9~30.
Further scheme, further includes synergist, and the mass ratio of the iso-propyl-ester nitrofen, fluroxypyr and synergist is
1~50：1~50：1~5.
Further scheme, the synergist are organosilicon, cyclohexanedione or pyrrolidones.
It is preferred that the mass ratio of the iso-propyl-ester nitrofen, fluroxypyr and synergist is 2~15：9~30：1.5~3.
Further scheme, institute's Herbicidal combinations are also containing agriculturally acceptable surfactant and carrier.
Further scheme, the formulation of the Herbicidal combinations is wettable powder, missible oil or dispersible oil-suspending agent.
Active component is iso-propyl-ester nitrofen, fluroxypyr in Herbicidal combinations of the present invention, its dosage depends on independent
Respective amount of application and the two portfolio ratio and synergy degree during use, special protection of the present invention Herbicidal combinations effectively into
Divide iso-propyl-ester nitrofen 1~50% and active ingredient fluroxypyr B1~50%, agriculturally synergist and its acceptable table
Face activating agent and carrier, are made wettable powder, missible oil, dispersible oil-suspending agent.
Organosilicon refers to containing Si-O keys, and at least one organic group is the compound being directly connected with silicon atom.Have
Machine silicon has unique structure：C-H is nonpolarity, makes intermolecular interaction very faint；Si-O bond distance is longer, Si-O-Si
Key bond angle is big；Si-O keys are the covalent bonds with 50% ionic bond feature (covalent bond is non-directional with directionality, ionic bond).
Due to the structure of organosilicon uniqueness, inorganic material and the performance of organic material are had both, have had that surface tension is low, viscosity-temperature coefficient
Surface small, that pesticide can be promoted to soak, penetrate into plant rapidly, makes the effect of pesticide perform to maximum effectiveness, and extends medicament
Action time.
The herbicidal composition of the present invention, can add agriculturally acceptable surfactant and carrier, be made into wettable
Property pulvis, water dispersion granule or oil-suspending agent etc..Wherein surfactant is alkylphenol polyoxyethylene ether, fatty alcohol polyoxy second
Alkene ether, phenethyl phenol polyethenoxy ether, phenethyl phenol polyoxyethylene poly-oxygen propylene aether, castor oil ethylene oxide adduct, alkyl
Phenol polyethenoxy ether formaldehyde condensation products, alkylphenol polyoxyethylene ether phosphate, phenethyl phenol polyethenoxy ether phosphate, benzylphenol
Polyoxyethylene ether, polyoxyethylene carboxylate, calcium dodecyl benzene sulfonate, neopelex, lignosulfonates,
NNO, NO, MF, ZS -1, lauryl sodium sulfate, pull open powder, N- Methyl fatty acyl taurines sodium, alkylphenol-polyethenoxy
Ether formaldehyde condensation products sulfate, tea seed cake powder, saponin, lignosulfite, aliphatic alcohol sulfate, penetrant t, bleeding agent OT,
JFC, fatty acid amide-N-N-methyltaurine sodium salt, sodium sulfate of polyethenoxy ether of fatty alcohol, pull open powder etc..
Carrier is divided into solid carrier and solvent, and solid carrier has bentonite, White Carbon black, kaolin, precipitated calcium carbonate, sulfuric acid
Sodium, ammonium sulfate, diatomite, starch, clay etc.；Solvent have toluene, dimethylbenzene, chlorobenzene, solvent naphtha, α-methyl naphthalene, turpentine oil,
Dichloromethane, chloroform, methanol, ethanol, glycerine, ethylene glycol, butanol, isoamyl alcohol, propane diols, cyclohexanone, isophorone,
Acetophenone, ethyl acetate, propyl acetate, butyl acetate, DMF, DMSO, cellosolve etc., it is above-mentioned to can be used alone, also can two kinds with
Upper compound use.
Any of the above auxiliary agent or carrier are commercially available.
The herbicidal composition of the present invention has addition or synergistic effect, is mainly used for the spraying of wheatland after seedling, prevents and kill off wheatland
A variety of grass family and broad leaved weed.To amur foxtail, wild oat, hard grass, chickweed, Descurainia sophia, shepherd's purse, clearvers, Veronica, big nest
The weeds such as dish have good prevention effect.Grass production can be prevented and kill off at the same time in wheat seedling phase or the dispenser of wheat period of seedling establishment and broad-leaved is miscellaneous
Grass, control wheat whole breeding time is by Weed infestation.With activity of weeding is high, broad weed-killing spectrum, it is easy to use the characteristics of, the present invention
The Herbicidal combinations, are easy to degrade in the environment, overcome long residual herbicides and use to succession crop security difference
Shortcoming, to the succession crop safety when the stubble wheat after, belongs to environmentally friendly herbicide.
Embodiment
The present invention is further illustrated with the specific embodiments of several different dosage forms below.But the present invention is only limitted to absolutely not this
A little examples.Percentage is weight fraction in all formulas.
First, form formula example：
Iso-propyl-ester nitrofen, fluroxypyr are mixed with carrier in proportion remixed after airslide disintegrating mill crushes can
Wet powder.By iso-propyl-ester nitrofen, fluroxypyr according to a certain ratio with surfactant, defoamer and mineral oils or having
Solvent is dispersed, is crushed through sand mill and former medicine slurries are made, then mixed with adjuvant (antifreezing agent, preservative), passes through
Dispersible oil-suspending agent is made after filter.
Embodiment 1：40% wettable powder
Embodiment 2：25% wettable powder
Embodiment 3：20% dispersible oil-suspending agent
Embodiment 4：16% dispersible oil-suspending agent
Embodiment 5：30% missible oil
Embodiment 6：20% missible oil
2nd, indoor biological determination of activity
Below by way of iso-propyl-ester nitrofen, fluroxypyr Herbicidal combinations or iso-propyl-ester nitrofen, fluroxypyr and
Synergist Herbicidal combinations verify the determination of activity of weeds of wheat indoor biological the reasonability of formula.
In the present composition, iso-propyl-ester nitrofen (95% active compound) is produced by Japanese Nissan chemical industry Co., Ltd., chlorine
Fluorine pyrrole fluoroacetic acid (95% active compound) is produced by Jiangsu Flag Chemical Industry Co., Ltd., and organosilicon is by the present chemical industry trade of Shanghai favour
Easy Co., Ltd's production.
Test method is to use greenhouse pot culture method, and quantitative weeds (per 40 plants of basin) and wheat seed are sowed in basin, is treated
When weeds are grown to the 2-4 leaf phases after being unearthed, cauline leaf spraying treatment is carried out with spraying machine, after processing 6 it is small when after be placed in greenhouse continuation
Culture observation, investigates the preventive effect to weeds and the security to wheat after 15 days.Investigation method uses absolute value investigation method,
First investigate the fresh weight preventive effect per basin remaining weeds, then by following equation calculate fresh weight preventive effect E1=(C-T)/C of each processing ×
100%, E1 is fresh weight preventive effect in formula, and C is control weeds fresh weight, and T is processing weeds fresh weight；Then actual survival rate E=100-E1.
Then the co-toxicity effect to weeds is detected to weeds activity with Colby methods, by Colby methods, works as E0-E>10% is increasing
Effect acts on；Work as E0-E<- 10% is antagonism；As -10%≤E0- E≤10% is addition.
Table 1：Herbicidal composition acts on (spray-on process) to the co-toxicity of amur foxtail
Note：Proportioning is weight ratio in upper table 1.
From upper table can, the E of iso-propyl-ester nitrofen and fluroxypyr composition0- E is worth between 11.62~21.56,
Synergy type is synergistic effect, with iso-propyl-ester nitrofen, fluroxypyr, organosilicon weight ratio 5：15：2 prepare can
The effect of soluble powder is most obvious, E0- E values 21.56.
3rd, test examples
1st, trial crops and object：It is winter wheat for studying thing, subjects are wealthy based on clearvers, Veronica etc.
Leaf grass weeds and grassy weed.
Test medicine：40% iso-propyl-ester nitrofen fluroxypyr (10% iso-propyl-ester nitrofen, 30% chlorine in embodiment 1
2% organosilicon of fluorine pyrrole fluoroacetic acid) wettable powder (our company's production)；
Comparison medicament：10% iso-propyl-ester nitrofen suspending agent (being produced by Shandong Qiaochang Chemical Co., Ltd)
288g/L fluroxypyrs missible oil (is produced) by Anhui Zhong Bang bioengineering Co., Ltd
Spraying time and method：Then dispenser on November 02 in 2016 is tested, at that time one heart stage of 3 leaf of wheat, clearvers 2~
One heart stage of 3 leaf, one heart stage of 1~4 leaf of Veronica, routinely preparating liquid 15KG rows are sprayed per acre, do not occur frost in 1 week after dispenser
Freeze weather.
Control time and number：Weeds radix is investigated before dispenser, 3,5 days observation treatment region rice shoot leaf colors after dispenser,
Upgrowth situation, records in detail if any abnormal.(on November 17th, 2016), 30 days (on December 02nd, 2015) 15 days after dispenser
Strain preventive effect and weeds overground part fresh weight are investigated respectively.
Investigation method：Using 5 point samplings, each cell random selection 5 points of investigation, every area 0.25m2, dispenser
The strain number of two kinds of main weeds and total weed is investigated after 15 days respectively, investigates the strain number of all kinds of weeds and total weed after 30 days at the same time
And overground part fresh weight, calculate decline rate and anti-efficiency.
Drug effect computational methods are as follows：
CK represents clear water control in above formula.
Table 2：Prevent and kill off winter wheat field Weed-control effect
Interpretation of result：The 40% iso-propyl-ester nitrofen fluroxypyr wettable powder of the present invention prevents and kill off winter wheat weeds
To the preventive effect of total weed, the preventive effect highest of 30 days after medicine, average decline rate is up to 94.04%, and the averagely rate of preventing and kill off is
97.82%.And the average decline rate of 10% iso-propyl-ester nitrofen suspending agent and 288g/L fluroxypyr missible oil is only 72.91%
With 82.32%, averagely the rate of preventing and kill off is respectively 84.27%, 85.66% for both.Illustrate 40% iso-propyl-ester nitrofen chlorine fluorine pyrrole oxygen second
Single dose effect of the sour wettable powder to the prevention effects of winter wheat weeds apparently higher than iso-propyl-ester nitrofen, fluroxypyr,
Therefore there is preferable popularizing application prospect.
2nd, trial crops and object：It is winter wheat for studying thing, subjects are wealthy based on clearvers, Veronica etc.
Leaf grass weeds and grassy weed.
Test medicine：6 Chinese medicine of embodiment：20% iso-propyl-ester nitrofen fluroxypyr missible oil (5% isopropyl ester grass
15% fluroxypyr of ether, 2% organosilicon) (our company's production)；
Comparison medicament：10% iso-propyl-ester nitrofen suspending agent (being produced by Shandong Qiaochang Chemical Co., Ltd)
288g/L fluroxypyrs missible oil (is produced) by Anhui Zhong Bang bioengineering Co., Ltd
Spraying time and method：Then dispenser on November 02 in 2016 is tested, at that time one heart stage of 2~3 leaf of wheat, clearvers
One heart stage of 2~3 leaf, one heart stage of 1~4 leaf of Veronica, routinely preparating liquid 15KG sprays per acre, after dispenser in 1 week not
There is frosty weather.
Control time and number：Weeds radix is investigated before dispenser, 3,5 days observation treatment region rice shoot leaf colors after dispenser,
Upgrowth situation, records in detail if any abnormal.(on November 17th, 2016), 30 days (on December 02nd, 2016) 15 days after dispenser
Strain preventive effect and weeds overground part fresh weight are investigated respectively.The decline rate of 15 days after medicine, the decline rate of 30 days and prevents and kill off rate such as table 3 after medicine
It is shown.
Investigation method：Using 5 point samplings, each cell random selection 5 points of investigation, every area 0.25m2, dispenser
The strain number of two kinds of main weeds and total weed is investigated after 15 days respectively, investigates the strain of all kinds of weeds and total weed after 30 days at the same time
Number and overground part fresh weight, calculate decline rate and anti-efficiency.
Drug effect computational methods are as follows：
CK represents clear water control in above formula.
Table 3：Prevent and kill off winter wheat field Weed-control effect
Interpretation of result：20% iso-propyl-ester nitrofen fluroxypyr missible oil prevents and kill off the preventive effect of winter wheat field weeds：
The preventive effect highest of 30 days after medicine, average decline rate are up to 90.09%, averagely prevent and kill off rate as 98.57%.And 10% isopropyl ester is careless
It is only 72.91%, 82.32% that ether, which suspends with the average decline rate of 288g/L fluroxypyr missible oil, both averagely prevent and kill off rate
Respectively 84.27%, 85.66%.Illustrate that the 20% iso-propyl-ester nitrofen fluroxypyr missible oil of the present invention is miscellaneous to winter wheat
The prevention effect of grass therefore is promoted and applied apparently higher than the single dose effect of iso-propyl-ester nitrofen, fluroxypyr with preferable
Prospect.
The above-mentioned description to embodiment is understood that for ease of those skilled in the art and using this hair
It is bright.Person skilled in the art obviously easily can make various modifications to these embodiments, and described herein
General Principle is applied in other embodiment without by performing creative labour.Therefore, the invention is not restricted to implementation here
Example, those skilled in the art disclose according to the present invention, and not departing from improvement that scope made and modification all should be
Within protection scope of the present invention.
Claims (7)
1. a kind of Wheat field weeding composition containing iso-propyl-ester nitrofen and fluroxypyr, the Herbicidal combinations include effective
Composition, it is characterised in that：The effective ingredient is made of iso-propyl-ester nitrofen and fluroxypyr, the iso-propyl-ester nitrofen and
The mass ratio of fluroxypyr is 1 ~ 50：1~50.
2. Wheat field weeding composition according to claim 1, it is characterised in that：Iso-propyl-ester nitrofen and chlorine fluorine the pyrrole oxygen
The mass ratio of acetic acid is 2 ~ 15：9~30.
3. Wheat field weeding composition according to claim 1, it is characterised in that：Further include synergist, the isopropyl ester
The mass ratio of careless ether, fluroxypyr and synergist is 1 ~ 50：1~50：1~5.
4. Wheat field weeding composition according to claim 3, it is characterised in that：The synergist for organosilicon, ring
Diketone or pyrrolidones.
5. Wheat field weeding composition according to claim 3, it is characterised in that：The iso-propyl-ester nitrofen, chlorine fluorine pyrrole oxygen
The mass ratio of acetic acid and synergist is 2 ~ 15：9~30：1.5~3.
6. Wheat field weeding composition according to claim 1, it is characterised in that：Institute's Herbicidal combinations are also containing agriculturally
Acceptable surfactant and carrier.
7. Wheat field weeding composition according to claim 1, it is characterised in that：The formulation of the Herbicidal combinations is can
Wet powder, missible oil or dispersible oil-suspending agent.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711141469.7A CN107897188A (en) | 2017-11-16 | 2017-11-16 | A kind of Wheat field weeding composition containing iso-propyl-ester nitrofen and fluroxypyr |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711141469.7A CN107897188A (en) | 2017-11-16 | 2017-11-16 | A kind of Wheat field weeding composition containing iso-propyl-ester nitrofen and fluroxypyr |
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| Publication Number | Publication Date |
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| CN107897188A true CN107897188A (en) | 2018-04-13 |
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ID=61845995
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| CN201711141469.7A Withdrawn CN107897188A (en) | 2017-11-16 | 2017-11-16 | A kind of Wheat field weeding composition containing iso-propyl-ester nitrofen and fluroxypyr |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1347876A (en) * | 2001-04-20 | 2002-05-08 | 中国科学院上海有机化学研究所 | 2-pyrimidyloxybenzyl substituted naphthyl amine derivative and its synthesis and use |
| CN1348690A (en) * | 2000-10-16 | 2002-05-15 | 浙江省化工研究院 | 2-pyrimioxybenzyl substituted phenyl amine derivatives |
| CN1513321A (en) * | 2003-07-04 | 2004-07-21 | ƽ | Herbicide composition used for rape field contg. propyl-ester nitorfen and iso-propyl-ester nitrofen |
| CN103004771A (en) * | 2012-11-13 | 2013-04-03 | 中化蓝天集团有限公司 | Active composition and herbicide thereof for preventing and eliminating weeds in rape farmland |
-
2017
- 2017-11-16 CN CN201711141469.7A patent/CN107897188A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1348690A (en) * | 2000-10-16 | 2002-05-15 | 浙江省化工研究院 | 2-pyrimioxybenzyl substituted phenyl amine derivatives |
| CN1347876A (en) * | 2001-04-20 | 2002-05-08 | 中国科学院上海有机化学研究所 | 2-pyrimidyloxybenzyl substituted naphthyl amine derivative and its synthesis and use |
| CN1513321A (en) * | 2003-07-04 | 2004-07-21 | ƽ | Herbicide composition used for rape field contg. propyl-ester nitorfen and iso-propyl-ester nitrofen |
| CN103004771A (en) * | 2012-11-13 | 2013-04-03 | 中化蓝天集团有限公司 | Active composition and herbicide thereof for preventing and eliminating weeds in rape farmland |
Non-Patent Citations (1)
| Title |
|---|
| 邵晓峰 等: "20％氯氟吡氧乙酸EC对小麦田阔叶杂草防效分析", 《河南农业》 * |
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