CN103271054A - Complex formulation herbicide for protective cultivation of corn field - Google Patents
Complex formulation herbicide for protective cultivation of corn field Download PDFInfo
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- CN103271054A CN103271054A CN2013100529862A CN201310052986A CN103271054A CN 103271054 A CN103271054 A CN 103271054A CN 2013100529862 A CN2013100529862 A CN 2013100529862A CN 201310052986 A CN201310052986 A CN 201310052986A CN 103271054 A CN103271054 A CN 103271054A
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Abstract
The invention relates to a complex formulation herbicide for protective cultivation of corn field, which is characterized in that the raw materials concretely comprises the following components by weight ratio: atrazine 10-15%, bromo benzonitrile 4-6%, pendimetalin 12-16%, thifensulfuron methyl 2%-4%, methanol 20-35%, Runong 160 5-8%, glycerol 1-4%, silicone oil 0.02-0.06%, sodium alginate 0.5-0.8% and deionized water which is added up to 100%. The herbicide has the advantages of good weeding effect, wide weeding spectrum, harmless and safety to the protective cultivation of corn field, etc.
Description
Technical field
The present invention relates to technical field of pesticide, be specifically related to a kind of conservation tillage corn field complex weedicide
Background technology
Conservation tillage is for improving agriculture work efficiency, and the liberation agricultural workforce has brought into play huge effect.Along with the expansion of conservation tillage implement scale and the continuity of time, expansion takes place rapidly in some zonal crop smotherings, and the harm of part weeds is on the rise.Conservation tillage is compared with conventional tillage; because having cancelled mouldboard plow turns over and handles the means of weeds; and the face of land has stalk to cover or the stalk stubble is retained; thereby make that weeds generation and harm benefit in conservation tillage ground are serious day by day, all bring certain difficulty for traditional chemical weed control, machinery or artificial weeding.Outstanding behaviours is in following several respects:
1. farmland weed increases, and grows unevenly, and the weeds occurrence degree increases the weight of;
2. the growing environment of farmland weed has been protected in no-tillage operation, causes back stubble weeds density height, grass big age, has increased difficulty of prevention and cure;
3. the weed killer herbicide consumption increases, and has increased the weight of the environmental pollution degree to a certain extent;
4. serious conservation tillage farmland grain drop in production takes place in weeds, and commodity reduces.
Weeds harm has now become the stable critical limitation factor of promoting conservation tillage.
Corn is one of staple food crop of China, also is that conservation tillage is used staple crops.In the corn whole growth process, weeds rely on himself distinctive growth competitive ability and corn contention sunlight, nutrient, moisture and growing space, have a strong impact on the corn normal growth, cause corn yield to descend.Simultaneously, because weeds propagation and widespread has blocked ventilation, printing opacity, be beneficial to and grow the corn disease insect pest, influence corn quality.At present, corn herbicide is of a great variety, in use, if inappropriate medication will produce the key, can suppress seed germination or cause the plant teratogenesis when serious.Therefore, the purpose of this research is to explore, the corn weeds can be more effectively prevented and kill off in screening, can guarantee the weed killer herbicide that the corn normal growth is grown again, in order to apply in conservation tillage field Maize Production.
Corn field weed mainly comprises grassy weed: lady's-grass, eleusine indica, barnyard grass grass, green foxtail, Radix seu Herba Astilbes rivularis, dayflower etc., broad leaved weeds: kitchen garden, Amaranthus retroflexus, acalypha copperleaf, lamb's-quarters, knotweed, piemarker, Siberian cocklebur, wild watermelon etc., and cyperus weeds such as the rhizome of nutgrass flatsedge.
The corn field herbicide that many types are arranged on the present market.
1, corn field herbicide list agent kind
(1) acetamide-group herbicides: this series products is the of paramount importance class weed killer herbicide of present corn field, can be absorbed by the weeds bud, carries out closed soil treatment before weeds germinate, and can effectively prevent and treat annual gramineous weed and part annual broadleaf weed.Such weed killer herbicide kind is more, as Acetochlor, alachlor, butachlor, isopropyl methoxalamine, propisochlor etc.
(2) triazine herbicide: can effectively prevent and treat annual broadleaf weed and annual gramineous weed, be absorbed as the master with the weeds root system, also can be absorbed on a small quantity by the weeds cauline leaf.Representing kind has atrazine, cyanazine, Simanex, pounces on Kusatsu etc., and wherein more with the atrazine use, safer to corn, activity is the highest; But atrazine should use to reduce consumption with Acetochlor etc., improves herbicidal effect and to the safety of succession crop.
(3) phenoxy carboxylic acid herbicides: be mainly used in preventing and treating broad leaved weed and the rhizome of nutgrass flatsedge behind the maize seedling.Represent kind 2 first, 4 chlorine sodium salts, 2,4-D butyl ester are arranged.Wherein 2 first, 4 chlorine sodium salts are widely used in the corn field control rhizome of nutgrass flatsedge, but improper easy generation poisoning of use age.
(4) sulfonylurea herbicide: nicosulfuron, rimsulfuron can be used for corn field control grassy weed, sedge weed and part broad leaved weed; Thiophene methyl can be used for corn field control annual broadleaf weed.
(5) other weed killer herbicide: paraquat and glyphosate are steriland herbicides, can carry out directed spraying later at corn 40cm height, effectively prevent and treat multiple weeds; Also can be with making kind control of maize field broad leaved weeds such as it is grand, Dicamba, Brominal, Bentazon.
2, main weed killer herbicide mixture kind
(1) 1: 1 mixture of Acetochlor and atrazine: what such Herbicidal compositions was produced the earliest is atrazine plus acetochlar, second green bristlegrass suspending agent, and early prevention and treatment annual gramineous weed and broad leaved weed before can being used for corn and broadcasting the back bud, behind the maize seedling are to corn and succession crop safety.Similar product has butachlor+Acetochlor+atrazine, butachlor+atrazine, alachlor+Acetochlor+atrazine, isopropyl methoxalamine+atrazine, propisochlor+atrazine etc.
(2) 2: 3 mixtures of Acetochlor and atrazine: this Herbicidal compositions can be used for corn broadcast the back bud before, early prevention and treatment corn field annual gramineous weed and broad leaved weed behind the maize seedling, to corn safety; The similar kind of performance has chlortoluron+Acetochlor+atrazine mixture, but after cannot being used for maize seedling.
(3) pounce on Kusatsu and atrazine mixture: effectively control of maize field annual gramineous weed and broad leaved weed.Broadcasting the back at corn, to use herbicidal effect before the bud stable, is subjected to the soil moisture content influence degree less, but rainwater is when big, and leaching is more can to reduce herbicidal effect; Use at corn growing season, unsuitable environmental conditions such as chance high temperature and drought can bring out corn phytotoxicity.
(4) nicosulfuron and atrazine mixture: be a kind of desirable weed killer herbicide mixture, not only can effectively prevent and treat multiple annual weed, and can prevent and treat perennial grassy weed and sedge weed, use conveniently, to corn and succession crop safety.But can not mix use with organophosphorus insecticides before and after using, can use with chrysanthemum ester insecticide.
(5) Acetochlor, atrazine and paraquat mixture: have go out natural disposition and sealing herbicidal effect concurrently, use the effectively multiple weeds in control of maize field at corn growing season.Similar products like is more, and the weed killer herbicide mixture of replacing paraquat with glyphosate is also arranged.
More or less there is following problem in above prior art:
1, single use of planting weed killer herbicide often can only be satisfied the removal effect of a certain class weeds, namely or to broad leaved weeds produces effect, or grassy weed is produced effect, the wider weed killer herbicide of not good grass spectrum.In two kinds of weeds serious area very all, use two kinds of weed killer herbicides targetedly respectively, cost increases, and consumption is difficult to hold, even produces safety issue.
2, the use year number of some weed killer herbicide is long, cause in the evolutionary process of weeds it being produced resistance gradually, so its herbicide effect that has originally reduces year by year even disappear, for example atrazine etc.
Though 3, share of two or more weed killer herbicides arranged in the prior art, but this share only is to compose in order to reach the wider grass that kills, the weed killer herbicide mixing that namely simply will kill broadleaved herb and kill grassy weed, do not go to consider the synergy brought behind two or more herbicide mixtures, for example weeding ratio improves, the weed killer herbicide consumption reduces, safety relevant issues etc.
4, can cause the poisoning to succession crop after some weed killer herbicide uses.
Then introduce the herbicidal composition that some are used in the present invention below.
Atrazine is before the interior suction selectivity seedling, herbicide after seedling.Root absorption is main, and cauline leaf absorbs seldom.Kill grass effect and the same Simanex of selectivity, easily by rainwater drip washing to soil than deep layer, also effective to some dark root grass, but easily produce poisoning.Lasting period is also longer.The scope of application is that corn, jowar, sugarcane, fruit tree, nursery, forest land are prevented and kill off lady's-grass, barnyard grass grass, green foxtail, nutgrass flatsedge, amur foxtail, knotweed, lamb's-quarters, Cruciferae, pulse family weeds, and some perennial weed is also had certain inhibitory action.
Brominal is with its caprylate, sodium salt, and cauline leaf was handled the contact killing type weed killer herbicide after the form of sylvite was widely used as the selectivity bud abroad.Mainly absorbed by blade, by suppressing photosynthetic each process, make necrosis rapidly.This agent is mainly used in crop fields such as wheat, barley, rye, corn, jowar, flax, prevents and kill off puncture, amaranth, conical silene herb, broad leaved weeds such as black nightshade, Siberian cocklebur, salsola collina, corn gromwell, field bindweed, corn-bind.The wheat consumption is every mu of 22.5～35g (effective ingredient); Chinese sorghum, corn are every mu of 18.7～30g; Flax is no more than 18.7g for every mu.
Pendimethalin can be removed annual gramineous weed, part broad leaved weed and nutgrass flatsedge.As: barnyard grass grass, lady's-grass, green foxtail, moleplant seed, eleusine indica, kitchen garden, amaranth, lamb's-quarters, piemarker, black nightshade, cyperus iria, difformed galingale herb etc.Preventive effect to grassy weed is better than broad leaved weed, to the perennial weed weak effect.
Thifensulfuron methyl belongs to selective herbicide behind the inner sucting conduction type seedling, is the branched-chain amino acid synthetic inhibitor, can suppress the biosynthesis of valine, leucine, isoleucine, stops cell division, and sensitive crop is stopped growing.Be mainly used in preventing and kill off the broad leaved weed between cereal crop wheat, barley, oat, corn field, as Amaranthus retroflexus, kitchen garden, broadcast ma wormwood artemisia, shepherd's purse, salsola collina, clearvers, Veronica, ox chickweed etc., invalid to field thistle, field bindweed and dogstail etc.
The pertinent literature of prior art has:
" development of corn field chemical herbicide and in the application of China "
" test of pesticide effectiveness of the main corn field herbicide in the Northeast "
" novel corn field herbicidal mesotrione in soil residual efficient liquid phase chromatographic analysis "
" preventive effect of novel corn weed killer herbicide and evaluation study "
" different weed killer herbicides are prevented and kill off the corn field weed test of pesticide effectiveness "
" sulfonylurea herbicide is to the safety of corn and in the degraded in soil dynamic studies "
" 4 kinds of foliar herbicide preventive effects of corn field relatively "
" 3 kinds of weed killer herbicides such as benzene azoles humulone are to the safety of different corn varieties "
" development of corn field herbicide and use "
Summary of the invention
One object of the present invention is to provide a kind of conservation tillage corn field quaternary built weed killer herbicide, it is characterized in that concrete raw material weight proportioning is as follows:
Especially:
Deionized water is added into 100%
Another object of the present invention is to provide the preparation method of described conservation tillage corn field quaternary built weed killer herbicide; it is characterized in that: atrazine, Brominal, pendimethalin, thifensulfuronmethyl, methyl alcohol, breast farming 1600 are mixed by weight; make it be dissolved into even oil phase; glycerine, silicone oil, sodium alginate, deionized water are mixed by weight; become the homogeneous water; under high-speed stirred, water is added oil phase or oil phase is added water, obtain product behind the good dispersion.
Described product can be the product that uses during 3～5 leaves behind the seedling.
The advantage of gained weed killer herbicide of the present invention is:
1, has the more herbicidal effect of wide spectrum, for grassy weed, broad leaved weed, nutgrass flatsedge weeds very significant preventive effect is arranged all, and herbicidal effect is permanent.
2, have synergy between each medicine component, herbicidal effect is significantly better than a certain weed killer herbicide of independent use, and can correspondingly reduce consumption, uses and issuable negative effect thereby reduce chemical substance.
The chemistry that heavy dose is brought when 3, having solved certain weed killer herbicide of single use is poisoned problem.Described weed killer herbicide uses safety, all has no adverse effect for corn growing way etc.
4, employed raw material all is this area comparatively cheap raw material of price commonly used, has realized the effect that expensive chemical herbicide is same creationary through the application after composite, so correspondingly has been to have reduced cost.
5, weed killer herbicide of the present invention is a kind of aqueous emulsion, and from preparation method's simple and easy degree, the many-sides such as quick performance of drug effect, other formulations such as relative wetting powder have advantage.
Embodiment:
Prepare raw material by following weight ratio (%):
Atrazine, Brominal, pendimethalin, thifensulfuronmethyl, methyl alcohol, breast farming 1600 are mixed by weight, make it be dissolved into even oil phase, glycerine, silicone oil, sodium alginate, deionized water are mixed by weight, become the homogeneous water, under high-speed stirred, water is added oil phase or oil phase is added water, obtain product behind the good dispersion.
Embodiment 7, the preventive effect comparative trial
Contrast medicament (being commercially available):
Contrast 1:50% atrazine wetting powder
Contrast 2:40% Brominal missible oil
Contrast 3:33% pendimethalin missible oil
Contrast 4:75% thifensulfuronmethyl suspending agent
All every mu in all preparations are converted before the experiment to spray behind the water 40kg and carried out, dispenser was carried out the Classification Count statistics to relevant weeds after 30 days.
Result of the test is as follows
| Numbering | ? | Dosage | Lady's-grass | The barnyard grass grass | Kitchen garden | Lamb's-quarters | The rhizome of nutgrass flatsedge |
| 1 | Embodiment 1 | 60g/ mu | 94.2 | 93.7 | 94.9 | 91.3 | 93.7 |
| 2 | Embodiment 1 | 100g/ mu | 99.2 | 99.1 | 99.4 | 97.8 | 98.1 |
| 3 | Embodiment 2 | 60g/ mu | 94.9 | 92.3 | 94.5 | 93.2 | 94.5 |
| 4 | Embodiment 2 | 100g/ mu | 99.5 | 99.6 | 99.1 | 97.9 | 98.4 |
| 5 | Embodiment 3 | 60g/ mu | 94.6 | 93.6 | 94.8 | 93.0 | 94.4 |
| 6 | Embodiment 3 | 100g/ mu | 98.9 | 99.5 | 99.2 | 98.4 | 97.9 |
| 7 | Embodiment 4 | 60g/ mu | 93.9 | 93.4 | 95.1 | 93.0 | 94.6 |
| 8 | Embodiment 4 | 100g/ mu | 99.2 | 99.4 | 99.1 | 97.9 | 97.7 |
| 9 | Embodiment 5 | 60g/ mu | 95.1 | 93.7 | 94.8 | 92.9 | 94.1 |
| 10 | Embodiment 5 | 100g/ mu | 98.8 | 99.4 | 99.3 | 96.7 | 98.3 |
| 11 | Embodiment 6 | 60g/ mu | 95.5 | 94.8 | 95.5 | 93.2 | 94.7 |
| 12 | Embodiment 6 | 100g/ mu | 100 | 100 | 99.8 | 98.6 | 98.6 |
| 13 | Contrast 1 | 60g/ mu | 79.1 | 81.3 | 73.5 | 67.9 | 9.2 |
| 14 | Contrast 1 | 100g/ mu | 82.3 | 82.6 | 78.9 | 72.6 | 11.0 |
| 15 | Contrast 2 | 60g/ mu | 0 | 0 | 79.7 | 80.6 | 34.6 |
| 16 | Contrast 2 | 100g/ mu | 0 | 0 | 84.5 | 83.7 | 38.1 |
| 17 | Contrast 3 | 60g/ mu | 82.5 | 81.2 | 78.3 | 77.4 | 38.9 |
| 18 | Contrast 3 | 100g/ mu | 85.6 | 84.4 | 80.9 | 82.3 | 40.5 |
| 19 | Contrast 4 | 60g/ mu | 0 | 0 | 83.6 | 79.8 | 82.4 |
| 20 | Contrast 4 | 100g/ mu | 0 | 0 | 86.5 | 83.4 | 85.6 |
As can be seen, complex weedicide of the present invention has good broad spectrum weeding function with respect to the independent use of the four kinds of main herbicidal compositions difference that has a significant effect for grassy weed, broad leaved weed, nutgrass flatsedge from the contrast of efficiency test,
Embodiment 8, herbicide safety test of the present invention
To weed killer herbicide of the present invention whether to the corn growing way is influential has carried out testing (numbering with on the think of of expressing the meaning consistent).
| Numbering | Plant height after 8 days (cm) | Plant height after 15 days (cm) | 15 days bright quality (g) of plant |
| 1 | 51.4 | 57.9 | 6.8 |
| 2 | 51.3 | 58.1 | 6.9 |
| 3 | 51.0 | 58.2 | 6.9 |
| 4 | 51.1 | 58.4 | 6.9 |
| 5 | 49.8 | 58.3 | 7.0 |
| 6 | 50.4 | 58.3 | 6.9 |
| 7 | 50.8 | 58.6 | 6.8 |
| 8 | 51.2 | 58.5 | 6.9 |
| 9 | 50.7 | 58.5 | 6.9 |
| 10 | 51.0 | 58.3 | 7.0 |
| 11 | 51.5 | 58.5 | 7.0 |
| 12 | 51.6 | 58.7 | 7.1 |
| The clear water blank | 51.3 | 58.6 | 6.9 |
As can be seen from the above table, using the corn of weed killer herbicide of the present invention and contrast all not to have significant difference for every index of corn growing way, visible weed killer herbicide of the present invention is safe for conservation tillage field corn.
Claims (3)
1. corn field complex weedicide is characterized in that concrete raw material weight proportioning is as follows:
2. complex weedicide according to claim 1, the wherein wt proportioning is:
3. the preparation method of the described conservation tillage corn field of claim 1-2 complex weedicide; it is characterized in that: atrazine, Brominal, pendimethalin, thifensulfuronmethyl, methyl alcohol, breast farming 1600 are mixed by weight; make it be dissolved into even oil phase; glycerine, silicone oil, sodium alginate, deionized water are mixed by weight; become the homogeneous water; under high-speed stirred, water is added oil phase or oil phase is added water, obtain product behind the good dispersion.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103493837A (en) * | 2013-09-12 | 2014-01-08 | 薛列驹 | Compound herbicide for paddy field |
| CN104982448A (en) * | 2015-06-03 | 2015-10-21 | 赵志平 | Herbicide for corn field |
| CN106538533A (en) * | 2016-10-31 | 2017-03-29 | 广西兴业县至珍生态园农业科技有限公司 | A kind of steriland herbicide |
| CN106538548A (en) * | 2016-10-31 | 2017-03-29 | 广西兴业县至珍生态园农业科技有限公司 | It is a kind of can improved soil steriland herbicide |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1382017A (en) * | 1999-10-22 | 2002-11-27 | 阿温提斯作物科学有限公司 | Synergistic herbicidal agents that contain herbicides from group of hydroxy phenylpyruvate dioxygenase inhibitors |
| WO2012122171A1 (en) * | 2011-03-09 | 2012-09-13 | E. I. Du Pont De Nemours And Company | Herbicidal bis-nitrogen-containing oxo heterocycles |
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2013
- 2013-02-01 CN CN201310052986.2A patent/CN103271054B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1382017A (en) * | 1999-10-22 | 2002-11-27 | 阿温提斯作物科学有限公司 | Synergistic herbicidal agents that contain herbicides from group of hydroxy phenylpyruvate dioxygenase inhibitors |
| WO2012122171A1 (en) * | 2011-03-09 | 2012-09-13 | E. I. Du Pont De Nemours And Company | Herbicidal bis-nitrogen-containing oxo heterocycles |
Non-Patent Citations (1)
| Title |
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| DOUGLAS E. SHOUP ET AL.: "Control of Protoporphyrinogen Oxidase Inhibitor-Resistant Common Waterhemp(Amaranthus rudis) in Corn and Soybean", 《WEED TECHNOLOGY》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103493837A (en) * | 2013-09-12 | 2014-01-08 | 薛列驹 | Compound herbicide for paddy field |
| CN104982448A (en) * | 2015-06-03 | 2015-10-21 | 赵志平 | Herbicide for corn field |
| CN106538533A (en) * | 2016-10-31 | 2017-03-29 | 广西兴业县至珍生态园农业科技有限公司 | A kind of steriland herbicide |
| CN106538548A (en) * | 2016-10-31 | 2017-03-29 | 广西兴业县至珍生态园农业科技有限公司 | It is a kind of can improved soil steriland herbicide |
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