CN107960418A - A kind of Wheat field weeding composition containing iso-propyl-ester nitrofen and florasulam - Google Patents
A kind of Wheat field weeding composition containing iso-propyl-ester nitrofen and florasulam Download PDFInfo
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- CN107960418A CN107960418A CN201711141470.XA CN201711141470A CN107960418A CN 107960418 A CN107960418 A CN 107960418A CN 201711141470 A CN201711141470 A CN 201711141470A CN 107960418 A CN107960418 A CN 107960418A
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- propyl
- florasulam
- 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
- A01N43/90—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
- 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)
- Dentistry (AREA)
- 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 florasulam, the Herbicidal combinations include effective ingredient, the effective ingredient is made of iso-propyl-ester nitrofen and florasulam, and the mass ratio of the iso-propyl-ester nitrofen and florasulam 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 after its medicine, average decline rate is up to 92.78%, averagely prevents and kill off rate as 97.93%.
Description
Technical field
It is more particularly to a kind of small containing iso-propyl-ester nitrofen and florasulam the invention belongs to pesticide herbicide technical field
Cornfield herbicidal 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..
Florasulam category sulfonamides herbicide, similar with sulfonylurea herbicide, sulfonamides herbicide is also allusion quotation
The inhibitor of acetolactate synthetase of type.They are be related to pyruvic acid and b1thiaminpyrophosphate (TPP) mixed using ALS as target
Mould assembly inhibitor, is at war with the binding site of enzyme, and does not have Competition to matrix or co-factor.Florasulam is main
Winter wheat field broad leaved weed is prevented and kill off for after seedling.
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 Wheat field weeding composition containing iso-propyl-ester nitrofen and florasulam.
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 florasulam, the Herbicidal combinations include effective
Composition, the effective ingredient are made of iso-propyl-ester nitrofen and florasulam, the iso-propyl-ester nitrofen and florasulam
Mass ratio is 1~50：1~50.
Further scheme, the mass ratio of the iso-propyl-ester nitrofen and florasulam is 8~30：1~10.
Further scheme, further includes synergist, the mass ratio of the iso-propyl-ester nitrofen, florasulam and synergist is 1
~50：1~50：1~5.
Further scheme, the synergist are organosilicon, cyclohexanedione or pyrrolidones.
Preferably, the mass ratio of the iso-propyl-ester nitrofen, florasulam and synergist is 8~30：1~10：1.5~3.
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 suspending agent.
Active component is iso-propyl-ester nitrofen, florasulam in Herbicidal combinations of the present invention, its dosage depends on individually making
Used time respective amount of application and the two portfolio ratio and synergy degree, special protection of the present invention Herbicidal combinations active ingredients
Iso-propyl-ester nitrofen 1~50% and active ingredient florasulam 1~50%, agriculturally synergist and its acceptable surface-active
Agent and carrier, are made wettable powder, missible 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 suspending agent etc..Wherein surfactant is alkylphenol polyoxyethylene ether, aliphatic alcohol polyethenoxy
Ether, phenethyl phenol polyethenoxy ether, phenethyl phenol polyoxyethylene poly-oxygen propylene aether, castor oil ethylene oxide adduct, alkyl phenol
Polyoxyethylene ether formaldehyde condensation products, alkylphenol polyoxyethylene ether phosphate, phenethyl phenol polyethenoxy ether phosphate, benzylphenol gather
Ethylene oxide 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 polyoxyethylene ether first
Aldehyde condensate 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 when stubble wheat and succession crop it is all safe, belong 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, florasulam are mixed in proportion with carrier to be remixed wettable after airslide disintegrating mill crushes
Property pulvis.By iso-propyl-ester nitrofen, florasulam according to a certain ratio with surfactant, defoamer and mineral oils or organic molten
Agent is dispersed, is crushed through sand mill and former medicine slurries are made, then mixed with adjuvant (antifreezing agent, preservative), after filtering
Suspending agent is made.
Embodiment 1：40% wettable powder
Embodiment 2：25% wettable powder
Embodiment 3：20% suspending agent
Embodiment 4：12% suspending agent
Embodiment 5：22% missible oil
Embodiment 6：16% missible oil
2nd, indoor biological determination of activity
Below by way of iso-propyl-ester nitrofen, florasulam and silicon composition herbicide to weeds of wheat indoor biological
The reasonability of formula is verified in determination of activity.
In the present composition, iso-propyl-ester nitrofen (98% active compound) is produced by Shandong Qiaochang Chemical Co., Ltd, double fluorine sulphurs
Careless amine (98% active compound) is produced by Anhui Zhong Shan Chemical Co., Ltd.s, and organosilicon is given birth to by Shanghai Hui Jin Chemical trades Co., Ltd
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 florasulam composition0- E is worth between 11.02~21.18, connection
Conjunction type of action is synergistic effect, with iso-propyl-ester nitrofen, florasulam, organosilicon weight ratio 10：2：2 suspending agents prepared
Effect it is most obvious, E0- E values 21.18.
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 florasulam (30% fluorine of iso-propyl-ester nitrofen 10% pair in embodiment 1
2% cyclohexanedione of sulphur grass amine) wettable powder (our company's production)；
Comparison medicament：10% iso-propyl-ester nitrofen suspending agent (being produced by Shandong Qiaochang Chemical Co., Ltd)
50g/L florasulams suspending agent (is produced) by Anhui Chun Hui plant pesticides factory
Spraying time and method：Test in dispenser on November 02 in 2016, at that time one heart stage of 3 leaf of wheat, clearvers 2~3
One heart stage of 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, 2016) 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 florasulam wettable powder of the present invention prevents and kill off winter wheat weeds pair
The preventive effect of total weed, the preventive effect highest of 30 days after medicine, average decline rate are up to 92.23%, and the averagely rate of preventing and kill off is
97.65%.And the average decline rate of 10% iso-propyl-ester nitrofen suspending agent and 50g/L florasulam suspending agents is only 76.56%
With 72.91%, averagely the rate of preventing and kill off is respectively 86.23%, 84.27% for both.Illustrate 40% iso-propyl-ester nitrofen florasulam
Single dose effect of the wettable powder to the prevention effects of winter wheat weeds apparently higher than iso-propyl-ester nitrofen, florasulam, therefore have
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：4 Chinese medicine of embodiment：12% iso-propyl-ester nitrofen florasulam suspending agent (10% isopropyl ester grass
2% florasulam of ether) (our company's production)；
Comparison medicament：10% iso-propyl-ester nitrofen suspending agent (being produced by Shandong Qiaochang Chemical Co., Ltd)
50g/L florasulams suspending agent (is produced) by Anhui Chun Hui plant pesticides factory
Spraying time and method：Test in dispenser on November 02 in 2016, at that time one heart stage of 2~3 leaf of wheat, clearvers 2
One heart stage of~3 leaf, one heart stage of 1~4 leaf of Veronica, routinely preparating liquid 15KG 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：12% iso-propyl-ester nitrofen florasulam suspending agent 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 92.78%, averagely prevent and kill off rate as 97.93%.And 10% isopropyl ester is careless
Ether suspending agent and the average decline rate of 50g/L florasulam suspending agents are only 76.56%, 72.91%, both averagely prevent and kill off
Rate is respectively 86.23%, 84.27%.Illustrate the 12% iso-propyl-ester nitrofen florasulam suspending agent of the present invention to winter wheat
The prevention effect of weeds therefore is promoted and applied apparently higher than the single dose effect of iso-propyl-ester nitrofen, florasulam 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 florasulam, the Herbicidal combinations include effectively into
Part, it is characterised in that：The effective ingredient is made of iso-propyl-ester nitrofen and florasulam, the iso-propyl-ester nitrofen and double fluorine
The mass ratio of sulphur grass amine is 1 ~ 50：1~50.
2. Wheat field weeding composition according to claim 1, it is characterised in that：The iso-propyl-ester nitrofen and double fluorine sulphur grass
The mass ratio of amine is 8 ~ 30：1~10.
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, florasulam 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, double fluorine sulphurs grass
The mass ratio of amine and synergist is 8 ~ 30：1~10：1.5~3.
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 suspending agent.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711141470.XA CN107960418A (en) | 2017-11-16 | 2017-11-16 | A kind of Wheat field weeding composition containing iso-propyl-ester nitrofen and florasulam |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711141470.XA CN107960418A (en) | 2017-11-16 | 2017-11-16 | A kind of Wheat field weeding composition containing iso-propyl-ester nitrofen and florasulam |
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| Publication Number | Publication Date |
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| CN107960418A true CN107960418A (en) | 2018-04-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112075433A (en) * | 2020-10-15 | 2020-12-15 | 安徽省农业科学院植物保护与农产品质量安全研究所 | Weeding composition containing metazachlor, isoproyl and cloransulam-methyl |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1513321A (en) * | 2003-07-04 | 2004-07-21 | ƽ | Herbicide composition used for rape field contg. propyl-ester nitorfen and iso-propyl-ester nitrofen |
-
2017
- 2017-11-16 CN CN201711141470.XA patent/CN107960418A/en not_active Withdrawn
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1513321A (en) * | 2003-07-04 | 2004-07-21 | ƽ | Herbicide composition used for rape field contg. propyl-ester nitorfen and iso-propyl-ester nitrofen |
Non-Patent Citations (1)
| Title |
|---|
| 侯珍 等: "双氟磺草胺的除草活性及对不同小麦品种的安全性评价", 《植物保护学报》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112075433A (en) * | 2020-10-15 | 2020-12-15 | 安徽省农业科学院植物保护与农产品质量安全研究所 | Weeding composition containing metazachlor, isoproyl and cloransulam-methyl |
| CN112075433B (en) * | 2020-10-15 | 2021-10-22 | 安徽省农业科学院植物保护与农产品质量安全研究所 | Weeding composition containing metazachlor, isoproyl and cloransulam-methyl |
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