CN102265887A - Herbicide for direct seeding rice farmland running to weeds and application method thereof - Google Patents
Herbicide for direct seeding rice farmland running to weeds and application method thereof Download PDFInfo
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- CN102265887A CN102265887A CN201110132921XA CN201110132921A CN102265887A CN 102265887 A CN102265887 A CN 102265887A CN 201110132921X A CN201110132921X A CN 201110132921XA CN 201110132921 A CN201110132921 A CN 201110132921A CN 102265887 A CN102265887 A CN 102265887A
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Abstract
The invention discloses a herbicide for a direct seeding rice farmland running to weeds and an application method thereof. The herbicide is formulated from quinclorac, fenoxaprop-p-ethyl, carfentrazone-ethyl and sulfonylureas. Effective elements of the raw drugs comprise, by weight, 57.6-88.8% of quinclorac, 3.7-13.4% of fenoxaprop-p-ethyl, 2.6-11.1% of carfentrazone-ethyl and 4.1-23.7% of sulfonylureas. According to the herbicide of the invention, rice 5 leaf stage is employed as a suitable time for drug application to the direct seeding rice farmland running to weeds; a plurality of weeds, such as large barnyard grass, resistant barnyard grass, spreading Chinese sprangletop, rotala indica (willd.) koehne, sagittaria pygmaea, sagittaria trifolia, murdannia malabaricum(L.)Bruckn, false loosestrife, eleocharis plantagineiformis and juncellus serotinus, are completely removed through one-time application; therefore, the herbicide is safe and efficient.
Description
Technical field
The present invention relates to a kind of weed killer herbicide and application process thereof, specifically a kind of Direct-seeding Rice farmland running to weeds field herbicidal and application process thereof.
Background technology
At present; some direct sowing rice field to during mid-term regular meeting the farmland running to weeds takes place; its reason has two: one, though direct sowing rice field was executed weed killer herbicide in earlier stage; but owing to reasons such as pesticide application technology or weather; weeds fail to be effectively controlled; so that to mid-term still residual big barnyard grass grass, resistance barnyard grass grass arranged, prolong multiple weeds such as climing moleplant seed, mexicana, short arrowhead, angustifolia arrowhead herb, nakedflower triquetrousc murdannia herb, false loosestrife, cause the farmland running to weeds.The 2nd, after the dispenser in early stage, progressively growth of wild water chestnut of perennial weed and Herba Cyperi Glomerati (hard convexutricle sedge herb), to mid-term add other residual weeds and form the farmland running to weeds.The farmland running to weeds will have a strong impact on output as not preventing and kill off.Such as, three more villages are taken place in the wild water chestnut in Tongxiang, Zhejiang Province city add up discovery in 8030 mu of rice fields altogether, 1648 mu in the rice field of wild water chestnut is arranged, account for the gross area 20.5%, wherein medium laying particular stress on serious rice field has 1047 mu, accounts for the gross area 13%.Medium rice field artificial weeding of laying particular stress on needs more than 200 yuan of cost for every mu, also pulls out unclean.These fields also have many other weeds harm also must prevent and kill off in the lump.For this reason, demand filtering out a kind of disposable herbicide safely and efficiently at present urgently, and clear and definite corresponding application process.
Summary of the invention
Technical problem to be solved by this invention is to propose a kind of safe and efficient, Direct-seeding Rice farmland running to weeds field herbicidal and application process thereof of can dispenser once eliminating multiple weeds.
For solving the problems of the technologies described above, a kind of Direct-seeding Rice of the present invention farmland running to weeds field herbicidal by dichloro quinolinic acid, fenoxapropPethyl, azoles humulone, the sulfonylurea material is composite forms, its former the effective elements of the medicine weight content is as follows: dichloro quinolinic acid 57.6～88.8%, fenoxapropPethyl 3.7～13.4%, azoles humulone 2.6～11.1% and sulfonylurea material 4.1～23.7%.
Above-mentioned a kind of Direct-seeding Rice farmland running to weeds field herbicidal, described sulfonylurea material are a kind of in grand of bensulfuron-methyl, pyrazosulfuron, cinosulfuron and ethoxy sulphur.
Above-mentioned a kind of Direct-seeding Rice farmland running to weeds field herbicidal, it be by weight content be 79.1% dichloro quinolinic acid (trade name: kill the barnyard grass king), weight content 6.3% fenoxapropPethyl that is (trade name: the prestige despot), the weight content 5.1% azoles humulone that is (trade name: the spirit of going out soon) and weight content be that 9.5% the former medicine of bensulfuron-methyl mixes.
The application process of a kind of Direct-seeding Rice farmland running to weeds field herbicidal, it comprise the steps: 1. with the 5 leaf phases of paddy rice for using optimum period; 2. use venting water in field the previous day; 3. use and should be no rainy day gas the same day, treat that dew is done after, will carry out the cauline leaf even spraying with knapsack sprayer by dichloro quinolinic acid, fenoxapropPethyl, azoles humulone, the composite weed killer herbicide that forms of sulfonylurea material to water 30L/ mu; 4. spray 1 day rehydration behind the medicine, water conservation 5～7 days.
The application process of above-mentioned a kind of Direct-seeding Rice farmland running to weeds field herbicidal when meeting hot weather, is postponed medication at 4 o'clock in the afternoon.
The application process of above-mentioned a kind of Direct-seeding Rice farmland running to weeds field herbicidal, for preventing and kill off multiple weeds in the mid-term field, farmland running to weeds of (comprising wild water chestnut and Herba Cyperi Glomerati), should adopt weight content is that 50% dichloro quinolinic acid (killing the barnyard grass king) 50g, weight content are that 6.9% fenoxapropPethyl (prestige despot) 30ml, weight content are that 40% azoles humulone (spirit of going out soon) 4g, weight content are 60% the composite weed killer herbicide that forms of bensulfuron-methyl 5g, is applied to field, one mu of farmland running to weeds.
The present invention is owing to adopted technique scheme, it is a kind of wide spectrum quaternary of the composite composition of raw material weed killer herbicide with dichloro quinolinic acid, fenoxapropPethyl, azoles humulone and sulfonylurea material, with the 5 leaf phases of paddy rice be optimum period, dispenser is carried out in field, Direct-seeding Rice farmland running to weeds, dispenser once can be to big barnyard grass grass, resistance barnyard grass grass, prolong multiple weeds such as climing moleplant seed, mexicana, short arrowhead, angustifolia arrowhead herb, nakedflower triquetrousc murdannia herb, false loosestrife, wild water chestnut, Herba Cyperi Glomerati is eliminated, safe and efficient.
Embodiment
Embodiment 1 Direct-seeding Rice farmland running to weeds field herbicidal is mixed by dichloro quinolinic acid, fenoxapropPethyl, azoles humulone and four kinds of raw materials of bensulfuron-methyl.The weight content of four kinds of former medicines is as follows: dichloro quinolinic acid 79.1%, fenoxapropPethyl 6.3%, azoles humulone 5.1%, bensulfuron-methyl 9.5%.
Use test and carry out in rich and influential family field, Xinhe River village, Pu Yuan town, Tongxiang city, soil property starch mud, slant acidity, middle fertility, rice varieties is elegant water 33 japonica rice.Afterwards rice tillering is slow because of wild water chestnut is taken place in a large number, and tiller is less.Sub-district area 133.4m
2, on June 4th, 2007 sowing, (July 11) the 9:20-10:30 dispenser of broadcasting back 37 days.Dispenser venting the previous day water in field, medicament is to water yield 30L/667m
2, knapsack sprayer spray mist.The same day is fine, temperature 26-33 ℃, paddy rice 6 leaves, wild water chestnut 28 leaves, plant height 37cm, Herba Cyperi Glomerati 9 leaves, barnyard grass grass 6.5 leaves, moleplant seed 13 leaves, prolong climing.1 day rehydration 5cm behind the medicine.Water conservation 7 days.Repeatedly estimating not behind the medicine, the water breakthrough rice has symptom of chemical damage to take place.Examination strain in 20 days is counted preventive effect, every district 3 points, every some 1/3m behind the medicine
2
Embodiment 2 Direct-seeding Rice farmland running to weeds field herbicidals, mixed by dichloro quinolinic acid, fenoxapropPethyl, azoles humulone and four kinds of raw materials of bensulfuron-methyl, its weight content is as follows: dichloro quinolinic acid 60.25%, fenoxapropPethyl 12.35%, azoles humulone 9.45%, bensulfuron-methyl 17.95%.
Application process: 1. with the 5 leaf phases of paddy rice for using optimum period; 2. one day venting water in field (can stay melon skin water) early; 3. selecting did not have rainy day gas the same day, and dew to water 30L/ mu, carries out the cauline leaf even spraying with knapsack sprayer with weed killer herbicide of the present invention after doing; 4. spray 1 day rehydration behind the medicine, water conservation 7 days.
Adopt above-mentioned weed killer herbicide, oppose than test with other weed killer herbicide, following table (wherein 7. kill the barnyard grass king 50+ prestige despot 30+ clever 4+ benzyl 5 that goes out soon be weed killer herbicide of the present invention)
Preventive effect is counted in table direct sowing rice field one-time weeding in mid-term test strain
Can find out from last table:
1. each weed killer herbicide is efficient to the equal tool of wild water chestnut, preventive effect 90.3-96.5%.Each weed killer herbicide all reaches 100% to Herba Cyperi Glomerati preventive effect excellence.
2. the effective ingredient of the 1st kind of weed killer herbicide, the 2nd kind of weed killer herbicide is azoles humulone+bensulfuron-methyl, the 3rd kind of weed killer herbicide is azoles humulone+2 first, 4 chlorine, wild water chestnut, Herba Cyperi Glomerati preventive effect are all belonged to efficiently, but the effects of other weeds (barnyard grass grass, mexicana, moleplant seed) is not still reached requirement in the production.
3. the 4th kind of weed killer herbicide, the 5th kind of weed killer herbicide add the prestige despot respectively again for the spirit+bensulfuron-methyl that goes out soon or kill the barnyard grass king, also can obtain higher effect to other weeds, but owing to kill the barnyard grass king or prestige despot dosage is on the low side, so that still not ideal enough to barnyard grass grass preventive effect.
4. the 6th kind of herbicide treatment adds a thousand pieces of gold and prestige despot again for the spirit+bensulfuron-methyl that goes out soon, and on the low side to barnyard grass grass preventive effect is 62.3%, does not have practical value so handle.
5. the 7th kind of weed killer herbicide is that four medicines are mixed, and kills barnyard grass king and Wei despot employing higher dosage, thereby big barnyard grass grass of acquisition antagonism and multiple weeds all have excellent effect, have reached the purpose of one-time weeding.
The checking of weed killer herbicide of the present invention:
1. land for growing field crops dispenser checking
2008-2009 in Bu Yuan town, Tongxiang city, ground such as Jiaxing City Xin Cheng town, Hong Yang town, Wang Dian town tries out, the various places area is 3～12 mu, rice varieties is japonica rice such as good 991, elegant water 03, elegant water 128, to big barnyard grass grass, resistance barnyard grass grass, prolong big grass such as climing moleplant seed and mexicana, Procumbent Falsepimpernel, Brittle Falsepimpernel Herb, Monochoria vaginalis, short arrowhead, angustifolia arrowhead herb, nakedflower triquetrousc murdannia herb, false loosestrife, difformed galingale herb, wild water chestnut, Herba Cyperi Glomerati and all obtained excellent effect, and to rice safety, a drug has solved a farmland running to weeds difficult problem.
Prevent and kill off weeds such as wild water chestnut and Herba Cyperi Glomerati, adopt weed killer herbicide of the present invention in Pu Yuan town, Tongxiang city, 200 mu of demonstrations in 2007,2008-2009 have promoted 980 mu, and rice varieties is japonica rice such as elegant water 114, elegant water 08, elegant water 33, has obtained safe effect well.
2, conventional weed killer herbicide will be postponed when high temperature and be played dispenser in the afternoon at 4 o'clock.For investigating the safety of weed killer herbicide of the present invention, test in Hong Xi town, Jiashan county: 9 thirty of the morning on July 25th, 2010, the face of land, field temperature is 40 ℃ during dispenser, and slight poisoning has taken place after the dispenser 31.5 ℃ of meteorological station thermometer screen temperature.Test in Haiyan County Tong Yuan town: face of land temperature is 41 ℃ during at 3 o'clock in afternoon June 19 dispenser, and under the condition that thermometer screen temperature is 35.8 ℃, the 10% rice outstanding person that poisoning never took place for many years is by 60ml/667m
2Handle slight poisoning has also taken place, must postpone in the afternoon medication after 4 o'clock as high temperature, for this reason in order to avoid poisoning.
Embodiment 3 Direct-seeding Rice farmland running to weeds field herbicidals, by 50% kill barnyard grass king (dichloro quinolinic acid) 50g, 6.9% prestige despot (fenoxapropPethyl) 30ml, 40% go out soon spirit (azoles humulone) 4g, 60% bensulfuron-methyl 5g is composite forms (percentage is weight content), can use field, one mu of farmland running to weeds.
To accomplish following 4 points when using conscientiously: the one, sealed row as paddy rice, need increase to 40 liters/667m to the water yield
2The 2nd, this prescription contains prestige despot, the spirit of going out soon, and the unavailable motor-driven mist sprayer of spraying instrument is in order to avoid poisoning; The 3rd, because of containing prestige despot, dispenser wants strict the grasp can dispenser in the 5 leaf phases of paddy rice, and every 5 leaf phase dispensers see never poisoning took place that poisoning can not take place the rice seedling to 5 leaf phases, even dead seedling, but does not advocate dispenser late yet, in order to avoid the excessive herbicidal effect that influences of weeds; The 4th, routinely, can not medication between the megathermal period, should postpone dispenser after 4 o'clock in the afternoon, in order to avoid poisoning.Because the emergence period of wild water chestnut is long, dispenser should be grasped for 1 time when this grass all sprouts substantially and carry out, and concrete the grasp is as the criterion with this grass plant height 33cm.
Weed killer herbicide of the present invention should in the 5 leaf phases of paddy rice for using optimum period, dangerous early than 5 leaf phases, the forbidding.Can not respray after the spraying.Simultaneously, for guaranteeing safety, unavailable mist sprayer spraying.As the present invention is examined test, bensulfuron-methyl should be used former medicine, unavailable wetting powder.Can not add with siliceous spreader-sticker or washing powder, in order to avoid influence herbicidal effect.The rehydration phase also can be behind medicine 2 days.Sealed row as paddy rice, should increase to 40 liters the water yield.
Among each embodiment; 40% spirit (azoles humulone) of going out soon is the product that adopts DF U.S. Fu Meishi company; 60% bensulfuron-methyl WDG system adopts the product of Jiangsu Prov. Hormone Inst., Co., Ltd.; 38% likes that with (azoles humulone+bensulfuron-methyl) be the product that adopts WP Shanghai Dubang Agricultural Chemicals Co., Ltd.; 70.5% Harry (azoles humulone+2 first, 4 chlorine) water dispersible granules system adopts the product of Fumeishi Plant Protecting Agent Co., Ltd., Suzhou; 50% kills barnyard grass king (dichloro quinolinic acid) WP system adopts the product of triumphant agricultural chemical company in the Xinyi; the product of the German Ai Gefu of 6.9% prestige despot (fenoxapropPethyl) emulsifiable concentrate system's employing company, 10% a thousand pieces of gold (cyhalofop-butyl) is the product that adopts EC The Dow Agrosciences, LLC..60% bensulfuron-methyl water dispersion granule is Jiangsu limited company of a hormone study institute product.
Claims (6)
1. Direct-seeding Rice farmland running to weeds field herbicidal, it is characterized in that, it by dichloro quinolinic acid, fenoxapropPethyl, azoles humulone, the sulfonylurea material is composite forms, its former the effective elements of the medicine weight content is as follows: dichloro quinolinic acid 57.6～88.8%, fenoxapropPethyl 3.7～13.4%, azoles humulone 2.6～11.1% and sulfonylurea material 4.1～23.7%.
2. a kind of Direct-seeding Rice as claimed in claim 1 farmland running to weeds field herbicidal is characterized in that, described sulfonylurea material is a kind of in grand of bensulfuron-methyl, pyrazosulfuron, cinosulfuron and ethoxy sulphur.
3. a kind of Direct-seeding Rice as claimed in claim 1 or 2 farmland running to weeds field herbicidal, it is characterized in that it is that the 5.1% azoles humulone that is and weight content are that 9.5% the former medicine of bensulfuron-methyl mixes by weight content is 79.1% dichloro quinolinic acid, weight content is 6.3% fenoxapropPethyl, weight content.
4. the application process of Direct-seeding Rice farmland running to weeds field herbicidal according to claim 1 is characterized in that, it comprise the steps: 1. with the 5 leaf phases of paddy rice for using optimum period; 2. use venting water in field the previous day; 3. use and should be no rainy day gas the same day, treat that dew is done after, will carry out the cauline leaf even spraying with knapsack sprayer by dichloro quinolinic acid, fenoxapropPethyl, azoles humulone, the composite weed killer herbicide that forms of sulfonylurea material to water 30L/ mu; 4. spray 1 day rehydration behind the medicine, water conservation 5～7 days.
5. the application process of a kind of Direct-seeding Rice as claimed in claim 4 farmland running to weeds field herbicidal is characterized in that, when meeting hot weather, postpones medication at 4 o'clock in the afternoon.
6. as the application process of claim 4 or 5 described a kind of Direct-seeding Rice farmland running to weeds field herbicidals, it is characterized in that, adopting weight content is that 50% dichloro quinolinic acid 50g, weight content are that 6.9% fenoxapropPethyl 30ml, weight content are that 40% azoles humulone 4g, weight content are 60% the composite weed killer herbicide that forms of bensulfuron-methyl 5g, is applied to field, one mu of farmland running to weeds.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110132921XA CN102265887A (en) | 2011-05-20 | 2011-05-20 | Herbicide for direct seeding rice farmland running to weeds and application method thereof |
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| CN201110132921XA CN102265887A (en) | 2011-05-20 | 2011-05-20 | Herbicide for direct seeding rice farmland running to weeds and application method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104604605A (en) * | 2015-01-08 | 2015-05-13 | 上海交通大学 | Composite control method for paddy field weeds |
| CN106538580A (en) * | 2016-11-14 | 2017-03-29 | 江苏丰山集团股份有限公司 | A kind of Herbicidal combinations containing flupyrsulfuron-methyl-sodium and its application |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05170609A (en) * | 1991-12-20 | 1993-07-09 | Nissan Chem Ind Ltd | Herbicide composition |
| CN1108882A (en) * | 1994-12-30 | 1995-09-27 | 娄底地区粮油科学研究所 | High effective and broad spectrum herbicide for rice field |
| CN1401232A (en) * | 2001-08-10 | 2003-03-12 | 江苏省新沂中凯农用化工有限公司 | Herbicidal composition contg. fenoxaprop-P-ethyl, its preparation method and use |
| CN101653137A (en) * | 2009-08-12 | 2010-02-24 | 徐宝玉 | Mixed herbicide of carfentrazone-ethyl, pyrazosulfuron-ethyl and quinclorac |
-
2011
- 2011-05-20 CN CN201110132921XA patent/CN102265887A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05170609A (en) * | 1991-12-20 | 1993-07-09 | Nissan Chem Ind Ltd | Herbicide composition |
| CN1108882A (en) * | 1994-12-30 | 1995-09-27 | 娄底地区粮油科学研究所 | High effective and broad spectrum herbicide for rice field |
| CN1401232A (en) * | 2001-08-10 | 2003-03-12 | 江苏省新沂中凯农用化工有限公司 | Herbicidal composition contg. fenoxaprop-P-ethyl, its preparation method and use |
| CN101653137A (en) * | 2009-08-12 | 2010-02-24 | 徐宝玉 | Mixed herbicide of carfentrazone-ethyl, pyrazosulfuron-ethyl and quinclorac |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104604605A (en) * | 2015-01-08 | 2015-05-13 | 上海交通大学 | Composite control method for paddy field weeds |
| CN104604605B (en) * | 2015-01-08 | 2017-01-25 | 上海交通大学 | Composite control method for paddy field weeds |
| CN106538580A (en) * | 2016-11-14 | 2017-03-29 | 江苏丰山集团股份有限公司 | A kind of Herbicidal combinations containing flupyrsulfuron-methyl-sodium and its application |
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Application publication date: 20111207 |