CN102657206A - Weeding water-dispersible granules - Google Patents
Weeding water-dispersible granules Download PDFInfo
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- CN102657206A CN102657206A CN2012100933673A CN201210093367A CN102657206A CN 102657206 A CN102657206 A CN 102657206A CN 2012100933673 A CN2012100933673 A CN 2012100933673A CN 201210093367 A CN201210093367 A CN 201210093367A CN 102657206 A CN102657206 A CN 102657206A
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- dispersible granules
- weeding
- bensulfuron
- methyl
- water dispersible
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Abstract
The invention relates to the field of agricultural chemicals and especially relates to weeding water-dispersible granules. The weeding water-dispersible granules comprise 30 to 40% of clodinafop-propargyl, 25 to 30% of bensulfuron-methyl, 3 to 5% of cloquintocet-mexyl, 4 to 10 parts of a dispersant, 1 to 3% of a wetting agent, 3 to 5% of a disintegrating agent, 2 to 3% of a binder and the balance carriers. The weeding water-dispersible granules have obvious weeding effects. Compared with a clodinafop-propargyl single agent and a bensulfuron-methyl single agent, the weeding water-dispersible granules have better environmental friendliness, do not fire in transportation easily, are safer, have a low use amount and a low cost, improve a control effect, a fresh weight control effect and an integrated fresh weight control effect on monocotyledonous and dicotyledonous weeds in the field and are safe for crops in the field. Only through one process of applying the weeding water-dispersible granules, weeds are prevented and removed in the whole growth period of a crop. The weeding water-dispersible granules are safe for succeeding crops. At present, the weeding water-dispersible granules are ideal weeding granules for wheat stem leaf treatment after seedling.
Description
Technical field
The present invention relates to pesticide field, particularly a kind of weeding water dispersible granules.
Background technology
Alkynes oxalic acid, chemical name are (R)-2-[4-(5-chloro-3-fluoro-2-pyridine oxygen base) phenoxy group] propionic acid propargyl ester, and molecular weight is 349.74, is selective post-emergence herbicide.Add the safener cloquintocetmexyl, be mainly used in the annual gramineous weed that wheat paddock is prevented and kill off.To wheat safety.Effective dose is per hectare 45-67.5g (active ingredient).Being cauline leaf inorganic agent behind the seedling, is the important new varieties of wheat paddock weed killer herbicide.Can prevent and kill off amur foxtail, deceive grass, wild oat, annual bluegrass, annual gramineous weeds such as grass firmly.
Bensulfuron-methyl, chemical name are 3-(4,6-dimethoxypyridin-2-yl)-1-(2-methoxy methyl acyl group benzyl) sulfonylureas, and molecular formula is C
16H
18N
4O
7S, molecular weight are 410.4, and these article are selectivity inner sucting conduction type weed killer herbicide.Active ingredient is diffusion rapidly in water, for weeds root and blade absorb each one of weeds that transfers to, and the division and the growth of prevention cell.Be applicable to crops such as paddy rice, wheat.Can prevent and kill off broad leaved weeds such as mexicana, Procumbent Falsepimpernel, shepherd's purse, chickweed, clearvers
Alkynes oxalic acid, the agent of bensulfuron-methyl wettable powder list at present is used for the master as the wheat paddock weed killer herbicide.Environmental pollution has also increased peasant's dispenser cost.
Summary of the invention
In view of this, the present invention provides a kind of weeding water dispersible granules.The former medicine of alkynes oxalic acid, the former medicine of bensulfuron-methyl, cloquintocetmexyl 3～5, dispersant 4～10, wetting agent 1～3, disintegrant 3～5, adhesive 2～3 carriers supply 100 in this weeding water dispersible granules.
Compare with single agent, the preventive effect of weeds in field, fresh weight preventive effect, comprehensive fresh weight preventive effect are improved, field crops safety.
In order to realize the foregoing invention purpose, the present invention provides following technical scheme:
A kind of weeding water dispersible granules, the former medicine of alkynes oxalic acid, the former medicine of bensulfuron-methyl, cloquintocetmexyl 3～5, dispersant 4～10, wetting agent 1～3, disintegrant 3～5, adhesive 2～3 carriers supply 100.
A kind of weeding water dispersible granules provided by the invention is characterized in that, comprises that alkynes oxalic acid uses cloquintocetmexyl.
A kind of weeding water dispersible granules provided by the invention, the said dispersant that comprises.
As preferably, a kind of weeding water dispersible granules provided by the invention also comprises wetting agent.
As preferably, a kind of weeding water dispersible granules provided by the invention also comprises disintegrant.
Preferably, a kind of weeding water dispersible granules provided by the invention also comprises adhesive.
The invention provides a kind of water dispersible granules, the former medicine of alkynes oxalic acid, the former medicine of bensulfuron-methyl, cloquintocetmexyl 3～5, dispersant 4～10, wetting agent 1～3, disintegrant 3～5, adhesive 2～3 carriers supply 100.
Result of the test shows; Behind the dispenser 15d; Contain respectively 55%, 60%, 70% alkynes oxalic acid bensulfuron-methyl water dispersible granules to the preventive effect of monocotyledon weed, broadleaf weed all more than 90%; Compare with single agent, the grass spectrum is killed in the preventive effect, the expansion that have all improved weeds, has utmost point significant difference (P＜0.01);
Behind the dispenser 30d; Contain 55%, 60%, 70% alkynes oxalic acid bensulfuron-methyl water dispersible granules respectively the preventive effect of monocotyledon weed, broadleaf weed is 100%; Compare with single agent; All improved the preventive effects of weeds and lasting period, fresh weight preventive effect, comprehensive fresh weight preventive effect, had utmost point significant difference (P＜0.01);
Comprehensive above-mentioned result of the test; Alkynes oxalic acid bensulfuron-methyl water dispersible granules provided by the invention; Compare with alkynes oxalic acid, the agent of bensulfuron-methyl wetting powder list, all improved preventive effect, fresh weight preventive effect, comprehensive fresh weight preventive effect, field crops safety to the single, double cotyledon weeds of wheat paddock.
Embodiment
The invention discloses a kind of weeding water dispersible granules, those skilled in the art can use for reference this paper content, suitably improve technological parameter and realize.Special needs to be pointed out is that all similarly replace and change apparent to those skilled in the art, they all are regarded as and are included in the present invention.Method of the present invention and application are described through preferred embodiment; The related personnel obviously can change or suitably change and combination methods and applications as herein described in not breaking away from content of the present invention, spirit and scope, realizes and use technology of the present invention.
A kind of weeding water dispersible granules, the former medicine of alkynes oxalic acid, the former medicine of bensulfuron-methyl, cloquintocetmexyl 3～5, dispersant 4～10, wetting agent 1～3, disintegrant 3～5, adhesive 2～3 carriers supply 100.
Below in conjunction with embodiment, further set forth the present invention:
Embodiment 1 preparation weeding water dispersible granules provided by the invention
Take by weighing alkynes oxalic acid 30kg, bensulfuron-methyl 25kg, cloquintocetmexyl 3kg, D-425 6kg, EFW2kg, ammonium sulfate 5kg, polyethylene glycol 2kg and kaolin 27kg,, get dispersible granule through fully mixing, comminution by gas stream, mixing, granulation, drying and screening
Embodiment 2 preparations weeding water dispersible granules provided by the invention
Take by weighing alkynes oxalic acid 30kg, bensulfuron-methyl 30kg, cloquintocetmexyl 3kg, sodium lignin sulfonate 7kg, DBS-na1.5kg, sodium carbonate 3kg, starch 2kg and precipitated calcium carbonate 23.5kg; Through fully mixing, comminution by gas stream, mixing, granulation, drying and screening, get dispersible granule
Embodiment 3 preparations weeding water dispersible granules provided by the invention
Take by weighing alkynes oxalic acid 40kg, bensulfuron-methyl 30kg, cloquintocetmexyl 3kg, sodium lignin sulfonate 4kg, DBS-na1kg, sodium carbonate 3kg, starch 2kg and precipitated calcium carbonate 17kg,, get dispersible granule through fully mixing, comminution by gas stream, mixing, granulation, drying and screening
Embodiment 4 alkynes oxalic acid bensulfuron-methyl water dispersible granules provided by the invention are prevented and kill off the field trial of cutting weeds
The dispenser place: the live wheat paddock in recklessly big Feng Lenongization proving ground, the capital of the ancient state of Chu, Baojing village, Shucheng County Hang Bu town, Anhui Province, preceding stubble is idle field.Fertility uniformity experimental field, physical features is smooth.The inclined to one side grittiness of soil, middle fertility, humidity is moderate.Sowing winter wheat (raising wheat 13), the main annual monocotyledon weed of winter wheat field have amur foxtail, deceive grass, wild oat, annual bluegrass etc., and the broadleaf weed master has clearvers, chickweed, shepherd's purse etc., is evenly distributed.
Spraying time: in 3～4 leaf phases of winter wheat, the concrete time is dispenser in afternoon on March 12 in 2011.
The dispenser condition: dispenser was fine the same day, 5 ℃～20 ℃ of temperature.
Dispenser dosage and mode: formulation rate 10g/667m
2, soup adopts the dilution method preparation of two steps.Medical instruments adopt workers and peasants-16 knapsack sprayer, dress fan type shower nozzle, and artificial even spraying, water consumption are 40kg/667m
2
Experimental group: be divided into water dispersible granules experimental group, wetting powder experimental group; Wherein, in the water dispersible granules experimental group according to 10g/667m
2Dosage spray the 50% alkynes oxalic acid bensulfuron-methyl water dispersible granules that contains that makes in the embodiment of the invention 1, the wetting powder experimental group is according to 15% alkynes oxalic acid 30g/667m
2, 30% bensulfuron-methyl 15g/667m
2Dosage spray (commercially available).
Blank group: spray clear water according to equal consumption.
Test method: each experimental group and blank group all repeat 4 times, and each experimental group and blank group take sub-district, experimental field area 30m respectively
2, the sub-district randomized arrangement.Before the dispenser, in the sub-district of each experimental group and blank group, get 4 points at random; Investigate weeds kind, leaf age and radix respectively.Behind dispenser 15d, the 30d, write down each experimental group and blank group sub-district survival number (strain/m respectively
2), calculate weeds preventive effects (%); Behind the dispenser 30d, extract weeds and take by weighing fresh weight (g/m
2), calculate fresh weight preventive effect (%).
The herbicidal effect of each experimental group is seen table 1.
Each formulation herbicidal effect of table 1 alkynes oxalic acid bensulfuron-methyl
Can know by table 1; Behind the dispenser 15d, the embodiment of the invention 1 makes contain 50% alkynes oxalic acid bensulfuron-methyl water dispersible granules agent to the preventive effects of single, double cotyledon weeds all more than 90%, contain 15% alkynes oxalic acid wetting powder to the preventive effect of monocotyledon weed about 85%; 30% bensulfuron-methyl wetting powder is 0% to the preventive effect of monocotyledon weed; The preventive effect of broadleaf weed about 80%, is compared with each single agent, not only improved preventive effect weeds; The colleague has also enlarged grass spectrum extremely, has utmost point significant difference (P＜0.01).
Behind the dispenser 30d; The embodiment of the invention 1 makes contain 50% alkynes oxalic acid bensulfuron-methyl water dispersible granules agent to the preventive effects of single, double cotyledon weeds all more than 95%; Contain 15% alkynes oxalic acid wetting powder to the preventive effect of monocotyledon weed about 90%, 30% bensulfuron-methyl wetting powder is 0% to the preventive effect of monocotyledon weed, to the preventive effect of broadleaf weed about 90%; Compare with each single agent; Not only improved the preventive effect to weeds, the colleague has also enlarged grass spectrum extremely, has utmost point significant difference (P＜0.01).
Dispenser 30d extracts weighing fresh weight behind the weeds; The embodiment of the invention 1 makes, and to contain 50% alkynes oxalic acid bensulfuron-methyl water dispersible granules agent be 100% to the fresh weight preventive effects of single, double cotyledon weeds; Contain 15% alkynes oxalic acid wetting powder to the fresh weight preventive effect of monocotyledon weed more than 90%; 30% bensulfuron-methyl wetting powder, is compared with each single agent more than 90% the fresh weight preventive effect of broadleaf weed, has not only improved the fresh weight preventive effect to weeds; The colleague has also enlarged grass spectrum extremely, has utmost point significant difference (P＜0.01).
Behind the dispenser 15d; The embodiment of the invention 3 makes contain 70% alkynes oxalic acid bensulfuron-methyl water dispersible granules agent to the preventive effects of single, double cotyledon weeds all more than 95%; Contain 15% alkynes oxalic acid wetting powder to the preventive effect of monocotyledon weed about 85%, 30% bensulfuron-methyl wetting powder is 0% to the preventive effect of monocotyledon weed, to the preventive effect of broadleaf weed about 80%; Compare with each single agent; Not only improved the preventive effect to weeds, the colleague has also enlarged grass spectrum extremely, has utmost point significant difference (P＜0.01).
Behind the dispenser 30d, the embodiment of the invention 3 makes contains 70% alkynes oxalic acid bensulfuron-methyl water dispersible granules agent the preventive effects of single, double cotyledon weeds is 100%, contain 15% alkynes oxalic acid wetting powder to the preventive effect of monocotyledon weed about 90%; 30% bensulfuron-methyl wetting powder is 0% to the preventive effect of monocotyledon weed; The preventive effect of broadleaf weed about 90%, is compared with each single agent, not only improved preventive effect weeds; The colleague has also enlarged grass spectrum extremely, has utmost point significant difference (P＜0.01).
Dispenser 30d extracts weighing fresh weight behind the weeds; The embodiment of the invention 3 makes contains 70% alkynes oxalic acid bensulfuron-methyl water dispersible granules agent the fresh weight preventive effects of single, double cotyledon weeds is 100%; Contain 15% alkynes oxalic acid wetting powder to the fresh weight preventive effect of monocotyledon weed more than 90%; 30% bensulfuron-methyl wetting powder, is compared with each single agent more than 90% the fresh weight preventive effect of broadleaf weed, has not only improved the fresh weight preventive effect to weeds; The colleague has also enlarged grass spectrum extremely, has utmost point significant difference (P＜0.01).
Behind the dispenser 30d, each experimental group all has no adverse effects to the heading of wheat early growth and later stage, and with the difference of blank group not significantly (P＞0.05), therefore, what the embodiment of the invention 3 made contains 70% alkynes oxalic acid bensulfuron-methyl water dispersible granules to wheat safety.
Comprehensive above-mentioned result of the test shows that alkynes oxalic acid bensulfuron-methyl water dispersible granules is compared with alkynes oxalic acid wetting powder, bensulfuron-methyl wetting powder, preventive effect, the fresh weight preventive effect of weeds in field is improved, to field crops safety.
The dispenser place: recklessly big Feng Lenongization proving ground, the capital of the ancient state of Chu, Baojing village, Shucheng County Hang Bu town, Anhui Province wheat paddock, preceding stubble is idle field.Fertility uniformity experimental field, physical features is smooth.The inclined to one side grittiness of soil, middle fertility, humidity is moderate.Sowing wheat (raising wheat No. 13), the annual monocotyledon weed of wheat paddock mainly contain amur foxtail, deceive grass, annual bluegrass etc., broadleaf weed, and main clearvers, chickweed, shepherd's purse etc. are evenly distributed.
Spraying time: in 3～4 leaf phases of winter wheat, the concrete time is dispenser in afternoon on March 12 in 2011.
The dispenser condition: dispenser was fine the same day, 5 ℃～20 ℃ of temperature.
Dispenser dosage and mode: formulation rate 10g/667m
2, soup adopts the dilution method preparation of two steps.Medical instruments adopt workers and peasants-16 knapsack sprayer, dress fan type shower nozzle, and artificial even spraying, water consumption are 40kg/667m
2
Experimental group: be divided into water dispersible granules experimental group, wetting powder experimental group; Wherein, in the water dispersible granules experimental group according to 10g/667m
2Dosage spray the 70% alkynes oxalic acid bensulfuron-methyl water dispersible granules that contains that makes in the embodiment of the invention 2, the wetting powder experimental group is according to 15% alkynes oxalic acid 30g/667m
2, 30% bensulfuron-methyl 15g/667m
2Dosage spray (commercially available).
Blank group: spray clear water according to equal consumption.
Test method: each experimental group and blank group all repeat 4 times, and each experimental group and blank group take sub-district, experimental field area 35m respectively
2, the sub-district randomized arrangement.Before the dispenser, in the sub-district of each experimental group and blank group, get 4 points at random; Investigate weeds kind, leaf age and radix respectively.Behind dispenser 15d, the 30d, write down each experimental group and blank group sub-district survival number (strain/m respectively
2), calculate weeds preventive effects (%); Behind the dispenser 30d, extract weeds and take by weighing fresh weight (g/m
2), calculate fresh weight preventive effect (%).
The herbicidal effect of each experimental group is seen table 1.
Each formulation herbicidal effect of table 1 alkynes oxalic acid bensulfuron-methyl
Associative list 1,2 can know, behind the dispenser 15d, the embodiment of the invention 1 makes contain 50% alkynes oxalic acid bensulfuron-methyl water dispersible granules to the preventive effects of single, double cotyledon weeds more than 90%; Compare with single agent; Improved preventive effect, enlarged and killed the grass spectrum, had utmost point significant difference (P＜0.01) weeds; The embodiment of the invention 3 makes contain 70% alkynes oxalic acid bensulfuron-methyl water dispersible granules to the preventive effects of single, double cotyledon weeds more than 90%, compare with single agent, improved preventive effect to weeds, enlarged and killed the grass spectrum, have utmost point significant difference (P＜0.01); Behind the dispenser 30d; The alkynes oxalic acid bensulfuron-methyl water dispersible granules that the embodiment of the invention 1,3 makes, is compared with single agent more than 95% the preventive effects of single, double cotyledon weeds, has improved the preventive effect to weeds; Enlarged and killed the grass spectrum, had utmost point significant difference (P＜0.01).
Dispenser 30d extracts weighing fresh weight behind the weeds; The alkynes oxalic acid bensulfuron-methyl water dispersible granules that the embodiment of the invention 1,3 makes takes by weighing the fresh weight effect 100% to preventing and kill off of single, double cotyledon weeds; Compare with single agent; Improved preventive effect, enlarged and killed the grass spectrum, had utmost point significant difference (P＜0.01) weeds.
The alkynes oxalic acid bensulfuron-methyl water dispersible granules provided by the invention field trial of cutting weeds
Method according to embodiment 1; The alkynes oxalic acid bensulfuron-methyl water dispersible granules that detection embodiment 2,3 makes is compared with single agent, behind the dispenser 30d the preventive effect of weeds in field; All improved preventive effect, fresh weight preventive effect and comprehensive fresh weight preventive effect, had significant difference (P＜0.05) weeds.Each experimental group all has no adverse effects to the heading of wheat early growth and later stage, and with the difference of blank group not significantly (P＞0.05), therefore, the alkynes oxalic acid bensulfuron-methyl water dispersible granules that the embodiment of the invention 1,2,3 makes is to wheat safety.
The above only is a preferred implementation of the present invention; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; Can also make some improvement and retouching, these improvement and retouching also should be regarded as protection scope of the present invention.
Claims (8)
1. a weeding water dispersible granules is characterized in that, alkynes oxalic acid 30～40, bensulfuron-methyl 25～30, cloquintocetmexyl 3～5, dispersant 4～10, wetting agent 1～3, disintegrant 3～5, adhesive 2～3 carriers supply 100.
2. weeding water dispersible granules as claimed in claim 1 is characterized in that, alkynes oxalic acid 30～40, bensulfuron-methyl 25～30, cloquintocetmexyl 3～5, dispersant 4～10, wetting agent 1～3, disintegrant 3～5, adhesive 2～3 carriers supply 100.
3. weeding water dispersible granules as claimed in claim 1 is characterized in that, alkynes oxalic acid 30～40, bensulfuron-methyl 25～30, cloquintocetmexyl 3～5, dispersant 4～10, wetting agent 1～3, disintegrant 3～5, adhesive 2～3 carriers supply 100.
4. weeding water dispersible granules as claimed in claim 1 is characterized in that, comprises that alkynes oxalic acid uses cloquintocetmexyl.
5. weeding water dispersible granules as claimed in claim 1 is characterized in that, comprises dispersant.
6. weeding water dispersible granules as claimed in claim 1 is characterized in that, also comprises wetting agent.
7. weeding water dispersible granules as claimed in claim 1 is characterized in that, also comprises disintegrant.
8. weeding water dispersible granules as claimed in claim 1 is characterized in that, also comprises adhesive.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100933673A CN102657206A (en) | 2012-03-30 | 2012-03-30 | Weeding water-dispersible granules |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100933673A CN102657206A (en) | 2012-03-30 | 2012-03-30 | Weeding water-dispersible granules |
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Family
ID=46766893
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|---|---|---|---|
| CN2012100933673A Pending CN102657206A (en) | 2012-03-30 | 2012-03-30 | Weeding water-dispersible granules |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4420325A (en) * | 1981-09-29 | 1983-12-13 | E. I. Du Pont De Nemours & Company | Herbicidal sulfonamides |
| US4713109A (en) * | 1981-12-31 | 1987-12-15 | Ciba Geigy Corporation | 2-(4-(5-chloro-3-fluoropyridin-2-yloxy)phenoxy)-propionic acid-propynyl ester with herbicidal activity |
| US4881966A (en) * | 1985-02-14 | 1989-11-21 | Ciba-Geigy Corporation | Use of quinoline derivatives for the protection of cultivated plants |
| CN101167470A (en) * | 2007-11-22 | 2008-04-30 | 杭州宇龍化工有限公司 | Compound herbicide |
-
2012
- 2012-03-30 CN CN2012100933673A patent/CN102657206A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4420325A (en) * | 1981-09-29 | 1983-12-13 | E. I. Du Pont De Nemours & Company | Herbicidal sulfonamides |
| US4713109A (en) * | 1981-12-31 | 1987-12-15 | Ciba Geigy Corporation | 2-(4-(5-chloro-3-fluoropyridin-2-yloxy)phenoxy)-propionic acid-propynyl ester with herbicidal activity |
| US4881966A (en) * | 1985-02-14 | 1989-11-21 | Ciba-Geigy Corporation | Use of quinoline derivatives for the protection of cultivated plants |
| CN101167470A (en) * | 2007-11-22 | 2008-04-30 | 杭州宇龍化工有限公司 | Compound herbicide |
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Application publication date: 20120912 |