CN103109838B - Compound herbicide used in protective farming wheat paddock - Google Patents
Compound herbicide used in protective farming wheat paddock Download PDFInfo
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- CN103109838B CN103109838B CN201310058261.4A CN201310058261A CN103109838B CN 103109838 B CN103109838 B CN 103109838B CN 201310058261 A CN201310058261 A CN 201310058261A CN 103109838 B CN103109838 B CN 103109838B
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Abstract
The invention relates to a compound herbicide used in a protective farming wheat paddock. The compound herbicide comprises raw materials by weight percent of 6-10% of tribenuron-methyl, 1-3% of metsulfuron-methyl, 5-7% of clodinafop-propargyl, 7-13% of flucarbazone-sodium, 10-30% of methanol, 3-8% of pesticide emulsifier 600, 1-4% of glycerol, 0.01-0.08% of silicon oil, 0.3-0.6% of gelatin, and the balance of deionized water, the content percents of all the raw materials are up to 100%. The compound herbicide mixture has the advantages of good weeding effect and wide weed control spectrum, and is safe to protective farming wheats and afterreap crops.
Description
Technical field
The present invention relates to technical field of pesticide, be specifically related to a kind of conservation tillage wheat paddock complex weedicide.
Background technology
Conservation tillage is for improving agriculture work efficiency, and liberation agricultural workforce has played great function.Along with the expansion of conservation tillage implement scale and the continuity of time, there is expansion rapidly in some zonal crop smotherings, part Weed infestation is on the rise.Conservation tillage is compared with conventional tillage; due to eliminate mouldboard plow turn over process weeds means; and earth's surface has improving straw mulching or crop straw stubble to retain; thus the weeds in conservation tillage ground are occurred and endangers day by day serious, all bring certain difficulty to traditional chemical weed control, machinery or artificial weeding.Outstanding behaviours is in following several respects:
1. farmland weed increases, and grows uneven, and weeds occurrence degree increases the weight of;
2. no-tillage farming protects the growing environment of farmland weed, causes rear stubble weed density large for high, careless age, adds difficulty of prevention and cure;
3. weed killer herbicide consumption increases, and has increased the weight of environmental to a certain extent;
4. there is serious conservation tillage farmland grain drop in production in weeds, and commodity reduces.
Weed infestation has now become the important limiting factor of expansion and stable development conservation tillage further.
Wheatland crop smothering is the restricted factor affecting improving yield of wheat stable yields, and the wheat yield that China causes because of crop smothering every year about reaches 4,000,000 t.At present, on Control Techniques of Weed in Wheat Fields, make large quantity research both at home and abroad, proposed the cultural control artificial weeding for different weed community and the anti-careless technology of chemistry, also explore the new and high technologies such as photochemistry weeding electric current weeding.Based on China's national situation, chemical weed control will be China's the most practicable current herbicidal methods in actual production, improper due to weed killer herbicide variety adoption or operation technique, produces poisoning to this season or second stubble crop or under causing crop yield quality, degradation has harm.Research shows, there is larger difference in the susceptibility of Wheat Cultivars to weed killer herbicide, and same wheat breed is not identical to the susceptibility of different weed killer herbicide yet, using of weed killer herbicide, even routine dose is also that one is coerced to crop, do not come to harm on some crops are apparent, but there is complicated change in its body physiological biochemistry undoubtedly.
Nearly more than 40 sections more than 200 of wheat weeds plant.Grassy weed in wheatland mainly contains: wild oat, bromegrass, Triticum tauschii, amur foxtail, Alopecurus, net grass, barnyard grass, annual bluegrass, herba setariae viridis grass etc.Grassy weed grows in field and wheat simultaneously, and vitality is extremely strong, well developed root system, and Grain Ripening degree reaches more than 30% and survives with regard to germinateing, and its seedling and wheat are very similar.Broad leaved weed in wheatland mainly contains: Descurainia sophia, buries dish, conical silene herb, clearvers, corn gromwell etc., and easy and wheat distinguishes.
A variety of chemical herbicide is there is in prior art, it has and mainly acts on grassy weed, also to have and mainly act on broad leaved weed, also have both there being better protection effect, equally, also have the suggestion proposing number of chemical herbicide mixture in prior art, but more or less there is following problem in above prior art:
1, after some weed killer herbicide Long-Time Service, wheatland grass can be made to change mutually.
2, after some weed killer herbicide uses a period of time, weeds can produce corresponding resistance, and the continuous action time of weed killer herbicide falls short of.
3, in the area that two kinds of weeds are all very serious, use two kinds of weed killer herbicides targetedly respectively, cost increases, and consumption is difficult to hold, and even produces safety issue.
4, some weed killer herbicide can cause rear stubble soybean, peanut, corn to occur large-area poisoning after using.
Tribenuron-methyl is mainly used in preventing and kill off various annual broadleaf weed, better to the effect such as Descurainia sophia, shepherd's purse, shepherd's purse of cracking rice, corn gromwell, lamb's-quarters, Amaranthus retroflexus, also certain preventive effect is had to summer cypress, chickweed, knotweed, clearvers etc., not remarkable to effects such as creeping thistle, volume stem knotweed, field bindweed, wartwort, invalid to grassy weeds such as wild oat, amur foxtail, bromegrass, Triticum tauschii.Meanwhile, tribenuron-methyl is the product close to being eliminated, and all declining to the preventive effect of most main weeds, even substantially invalid, in the compound product of routine, this constituents almost can be ignored.
Metsulfuron-methyl is high work, wide spectrum, has optionally inner sucting conduction type cornfield herbicidal.After being absorbed by weeds root and blade, conduct very fast in plant body, can Xiang Ding and to base portion conduction, within a few hours, suppress rapidly the growth on plant roots and young sprout top, within 3 ~ 14 days, plant is withered.Absorbed by wheat seeding and enter after in plant, by the enzymatic conversion in wheat strain, degrade rapidly, so wheat has larger tolerance to this product.The usage amount of this agent is little, and the solvability in water is very large, can by adsorption by soil, and the degradation speed in soil is very slow, especially in alkaline soils, degrades slower.Effectively can prevent and treat the weeds such as amur foxtail, Veronica, chickweed, common vetch, shepherd's purse, broken last shepherd's purse, Descurainia sophia, lamb's-quarters, knotweed, rice stranding grass, water peanut.Being used alone metsulfuron-methyl can only at rice wheat rotation wheatland early application, if the crops such as rear stubble maize planting, cotton, soybean, peanut and mung bean will produce serious poisoning.
Alkynes oxalic acid is the fluorine-containing high-efficiency low-toxicity weed killer herbicide of phenoxy carboxylic acid chirality, effective especially to pernicious grassy weed, mix with certain proportion with safener, for cereal crop, to grassy weed as Salvia japonica, amur foxtail, wild oat, perennial ryegrass, annual bluegrass, green foxtail etc. have excellent preventive effect.The mode of action: wide spectrum grassy weed foliar herbicide after interior absorption seedling.The mechanism of action of clodinafop-propargyl is suppress the activity of acetyl-CoA carboxylase in plant corpus, for Uptake and translocation weed killer herbicide, by blade and the leaf sheath absorption of plant corpus, phloem conducts, and accumulates in the meristematic tissue of plant corpus, suppresses acetyl-CoA carboxylase, fatty acid is synthesized stop, the growth division of cell can not normally be carried out, and membranous system etc., containing fat structural deterioration, finally cause Plant death.Very poor to control efficiency such as Triticum tauschii.
Flucarbazone is sulfonylurea internal-suction type efficient wheat field herbicidal, has obvious preventive effect to the grassy weeds such as wild oat, bromegrass, amur foxtail and multiple broadleaf weed.Its import name is called young tiger tiger, and be a kind of novel compounds, its active ingredient can be absorbed by the root of weeds and cauline leaf, by suppressing the activity of acetolactate synthestase in weeds body, destroying the normal Physiological and Biochemical Metabolism of weeds and playing activity of weeding.Young tiger tiger effectively can prevent and kill off wheat paddock major part grassy weed, simultaneously also can effective control section broad leaved weed.
The document that prior art is relevant with wheat field herbicide has:
CN1057428C
CN1150824C
CN101278674B
" several herbicides is on the impact of wheat grain yield and physiological property "
" conventional 9 kinds of weed killer herbicides are on the herbicidal effect of wheat weeds and Safe to wheat impact "
" 6 kinds of complex weedicides prevent and kill off drug effect and the safety evaluatio of wheatland broadleaved herb clearvers "
" several herbicides is to the preventive effect of winter wheat field broad leaved weed and to Safe to wheat evaluation "
Summary of the invention
One object of the present invention is to provide a kind of conservation tillage wheat paddock quaternary built weed killer herbicide, it is characterized in that concrete raw material weight proportioning is as follows:
Tribenuron-methyl 6%-10%
Metsulfuron-methyl 1%-3%
Alkynes oxalic acid 5%-7%
Flucarbazone 7%-13%
Methyl alcohol 10%-30%
Agriculture breast 600 3%-8%
Glycerine 1%-4%
Silicone oil 0.01%-0.08%
Gelatin 0.3%-0.6%
Deionized water is added into 100%
Especially:
Tribenuron-methyl 8%
Metsulfuron-methyl 2%
Alkynes oxalic acid 6%
Flucarbazone 10%
Methyl alcohol 20%
Agriculture breast 600 5%
Glycerine 3%
Silicone oil 0.05%
Gelatin 0.5%
Deionized water is added into 100%
Another object of the present invention is the preparation method providing described wheat paddock quaternary built weed killer herbicide, it is characterized in that: by tribenuron-methyl, metsulfuron-methyl, alkynes oxalic acid, flucarbazone, methyl alcohol, agriculture breast 600 by weight mixing, it is made to be dissolved into homogeneous oil phase, by glycerine, silicone oil, gelatin, deionized water by weight mixing, become homogeneous aqueous phase, under high velocity agitation, aqueous phase added oil phase or oil phase is added aqueous phase, after good dispersion, obtaining product.
This product can after wheat is turned green weeds 2 ~ 4 leaf phase.
The advantage of gained weed killer herbicide of the present invention is:
1, there is the herbicidal effect of more wide spectrum, grassy weed, broad leaved weed, broadleaf weed are all had and removes effect very significantly, and herbicidal effect is permanent.
2, have synergy between each medicine component, herbicidal effect significantly better than being used alone a certain middle weed killer herbicide, and correspondingly can reduce consumption, thus reduces chemical substance use and issuable negative effect.
3, overcome the ill effect used for succession crop after metsulfuron-methyl, in the present invention, employ metsulfuron-methyl on a small quantity, namely ensure that this weed killer herbicide use in safety issue, simultaneously also by enhancing herbicidal effect with the synergy of other medicaments.
4, described weed killer herbicide use safety, growing way and constant etc. for wheat all have no adverse effect.
5, weed killer herbicide of the present invention is a kind of aqueous emulsion, and from many-sides such as the fast onset of the ease of preparation method, drug effect, other formulations such as relative wettabilities pulvis have advantage.
Embodiment:
Raw material is prepared by following weight ratio (%):
By tribenuron-methyl, metsulfuron-methyl, alkynes oxalic acid, flucarbazone, methyl alcohol, agriculture breast 600 by weight mixing, it is made to be dissolved into homogeneous oil phase, by glycerine, silicone oil, gelatin, deionized water by weight mixing, become homogeneous aqueous phase, under high velocity agitation, aqueous phase added oil phase or oil phase is added aqueous phase, after good dispersion, obtaining product.
Embodiment 7, preventive effect comparative trial
Contrast medicament (being commercially available):
Contrast 1:75% tribenuron-methyl water dispersible granule
Contrast 2:60% metsulfuron-methyl wetting powder
Contrast 3:15% alkynes oxalic acid wetting powder
Contrast 4:70% flucarbazone water dispersible granules
Spray after all every mu, preparations being watered 40kg before experiment and carry out, dispenser 45d carries out Classification Count statistics to relevant weeds.
Result of the test is as follows
As can be seen from the contrast of efficiency test, complex weedicide of the present invention is used alone relative to four kinds of major herbicides compositions the difference that has a significant effect, and has good spectrum herbicide effect for grassy weed, broadleaf weed, broad leaved weed,
Embodiment 8, herbicide safety test of the present invention
First, on weed killer herbicide of the present invention whether on wheat growing way have impact carried out testing (number with on express the meaning think consistent).
| Numbering | Plant height (cm) | Spike number (ten thousand) | Grain number (fringe) | Thousand kernel weight (g) |
| 1 | 70 | 29.6 | 50 | 43.0 |
| 2 | 70 | 29.8 | 50 | 42.8 |
| 3 | 70 | 30.1 | 51 | 43.1 |
| 4 | 70 | 29.6 | 50 | 43.2 |
| 5 | 71 | 30.4 | 50 | 42.7 |
| Numbering | Plant height (cm) | Spike number (ten thousand) | Grain number (fringe) | Thousand kernel weight (g) |
| 6 | 71 | 31.0 | 50 | 42.9 |
| 7 | 70 | 29.6 | 49 | 42.8 |
| 8 | 69 | 29.8 | 50 | 43.1 |
| 9 | 70 | 30.6 | 50 | 43.0 |
| 10 | 70 | 29.9 | 50 | 43.0 |
| 11 | 70 | 31.6 | 51 | 42.9 |
| 12 | 70 | 31.8 | 50 | 43.3 |
| Clear water is blank | 71 | 29.5 | 50 | 43.2 |
As can be seen from the above table, the indices for wheat growing way uses the wheat of weed killer herbicide of the present invention and contrasts all without significant difference, visible weed killer herbicide of the present invention is safe for conservation tillage field wheat.
Secondly, whether have also been made related experiment safely for succession crop, take succession crop as corn:
Experimental result is known thus, and weed killer herbicide of the present invention is also safe and reliable for succession crop.
Claims (3)
1. a conservation tillage wheat paddock complex weedicide, is characterized in that raw material weight proportioning is as follows:
2. conservation tillage wheat paddock complex weedicide according to claim 1, wherein each raw material weight proportioning is:
3. the preparation method of conservation tillage wheat paddock complex weedicide described in claim 1-2; it is characterized in that: by tribenuron-methyl, metsulfuron-methyl, alkynes oxalic acid, flucarbazone, methyl alcohol, agriculture breast 600 by weight mixing; it is made to be dissolved into homogeneous oil phase; by glycerine, silicone oil, gelatin, deionized water by weight mixing; become homogeneous aqueous phase; under high velocity agitation, aqueous phase added oil phase or oil phase is added aqueous phase, after good dispersion, obtaining product.
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| CN103109838B true CN103109838B (en) | 2015-02-11 |
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| CN104222134B (en) * | 2014-09-11 | 2016-04-06 | 河南中天恒信生物化学科技有限公司 | A kind of Herbicidal combinations containing flucarbazone, alkynes oxalic acid and tribenuron-methyl and application thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19834629A1 (en) * | 1998-07-31 | 1998-12-03 | Novartis Ag | Broad-spectrum pre- or post=emergence herbicidal composition |
| CN1238663A (en) * | 1996-09-23 | 1999-12-15 | 拜尔公司 | Selective herbicides based on arylsulphonylaminocarbonyltriazolinones |
| CN1321066A (en) * | 1998-10-02 | 2001-11-07 | 拜尔公司 | Selective herbicides based on substd. phenyl sulfonyl amino carbonyl triazolinone |
| CN101843240A (en) * | 2010-06-02 | 2010-09-29 | 美丰农化有限公司 | Clodinafop-propargyl aqueous emulsion and preparation method thereof |
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2013
- 2013-02-04 CN CN201310058261.4A patent/CN103109838B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1238663A (en) * | 1996-09-23 | 1999-12-15 | 拜尔公司 | Selective herbicides based on arylsulphonylaminocarbonyltriazolinones |
| DE19834629A1 (en) * | 1998-07-31 | 1998-12-03 | Novartis Ag | Broad-spectrum pre- or post=emergence herbicidal composition |
| CN1321066A (en) * | 1998-10-02 | 2001-11-07 | 拜尔公司 | Selective herbicides based on substd. phenyl sulfonyl amino carbonyl triazolinone |
| CN101843240A (en) * | 2010-06-02 | 2010-09-29 | 美丰农化有限公司 | Clodinafop-propargyl aqueous emulsion and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 等效线法评价氟唑磺隆与苯磺隆相互作用关系;台文俊 等;《农药》;20080229;第47卷(第2期);第136-137页 * |
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