CN102027964B - Herbicidal composition containing diflufenzopyr and atrazine and application thereof - Google Patents
Herbicidal composition containing diflufenzopyr and atrazine and application thereof Download PDFInfo
- Publication number
- CN102027964B CN102027964B CN 200910036131 CN200910036131A CN102027964B CN 102027964 B CN102027964 B CN 102027964B CN 200910036131 CN200910036131 CN 200910036131 CN 200910036131 A CN200910036131 A CN 200910036131A CN 102027964 B CN102027964 B CN 102027964B
- Authority
- CN
- China
- Prior art keywords
- atrazine
- diflufenzopyr
- herbicidal combinations
- weeds
- application
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention belongs to the field of pesticides, and discloses a herbicidal composition containing diflufenzopyr and atrazine and application thereof. The diflufenzopyr and the atrazine serve as main active ingredients; the diflufenzopyr and the atrazine account for 10 to 85 percent of the total mass of the herbicidal composition; and the mass ratio of the diflufenzopyr to the atrazine is 1-65:1-70. The herbicidal composition provided by the invention can be applied to preparation of herbicides for controlling post-emergence weeds in a corn field, and particularly has an obvious effect when used for preparing herbicides for controlling various gramineous and broadleaf weeds in the corn field. Compared with a single-component herbicide, the herbicidal composition reduces dosage, delays resistance of weeds, has broad herbicidal spectrum and acts for a long time on the premise of improving herbicide effect, and is safe for corn and afterculture crops.
Description
Technical field
The invention belongs to pesticide field, relate to a kind of corn field postemergence weed control composition, be specifically related to a kind of Herbicidal combinations and application thereof that contains diflufenzopyr and atrazine.
Background technology
Corn is important crops, also is important forage crop, is described as " king of feed ", and in recent years, along with the development of livestock breeding, food processing and wine-making industry, market demand constantly increases.China is corn major country of production in the world, and national annual cultivated area reaches 2,140 ten thousand hm at present
2, account for 18.9% of cereal crops cultivated area, be only second to paddy rice and wheat, occupy the 3rd.Divide spring sowing, summer sowing, northern spring sowing corn district, based on northeast 3 provinces, the Inner Mongol and Ningxia, cultivated area is stabilized in more than 650 ten thousand hectares, accounts for the whole nation about 36%; More than 2,700 ten thousand tons of gross outputs account for about 40% of the whole nation.The Yellow River and Huai He River sea plain summer sowing corn district, based on Shandong and Henan, about more than 600 ten thousand hectares of cultivated area accounts for the whole nation 32%, and about 2,200 ten thousand tons of gross output accounts for the whole nation about 34%.
It is reported that national corn has 1/2 area to be subjected in various degree crop smothering approximately, serious crop smothering area is about 10～20%, if not weeding of field can make the corn underproduction more than 50%.The weeds of corn field are taken place general, and are of a great variety.According to national weeds findings of the survey, whole nation corn field weed has 22 sections, 38 belong to, 43 kinds, as barnyard grass grass, lady's-grass, eleusine indica, moleplant seed, green foxtail, india lovegrass, wild oat, lamb's-quarters, knotweed, amaranth, piemarker, salsola collina, field bindweed, lettuce Mai Lay, field thistle, Siberian cocklebur, Acalypha-austratis-L, Ageratum conyzoides etc.; Wherein, main weeds has lady's-grass, barnyard grass grass, green foxtail, eleusine indica, Amaranthus retroflexus, kitchen garden, acalypha copperleaf, lamb's-quarters, Siberian cocklebur, the rhizome of nutgrass flatsedge etc.Corn is subjected to crop smothering the most serious seedling stage, the corn growth middle and later periods weeds little to the influence of output.When seedling stage, corn was subjected to weed encroachment, plant was short and small, stalk spire Huang, caused the middle and later periods corn growth bad, the serious underproduction.Corn field weed vitality is extremely vigorous, and some seeds are embedded in the soil 20 years and still can germinate, as the rhizome of nutgrass flatsedge, lamb's-quarters, knotweed, kitchen garden, japanese bearbind etc.General weeds have ripe early, irregular, characteristics such as segmentation is emerged, be unfavorable for control, and a lot of weeds can wake up from death, perennial weed was especially shone 3 days in the field manually pulling out the back as kitchen garden, met rain and still can recover growth.In addition, weeds also have surprising fertility, and the solid number of most weeds is several times of crop, hundred times even up to ten thousand times.According to investigations, a strain lady's-grass has 220,000 seeds approximately, and as seen how strong its fertility have.The corn field weed growth rapidly, amount of growth is big, strive water with corn, strive fertilizer, strive the space, bigger to corn seedling growth harm, cause that seedling is thin, a little less than the seedling, influence output and reach 10-50%, in order to reduce the economic loss that crop smothering causes, reduce labor intensity, also because chemical weed control is convenient, quick-acting, the control time is long, chemical weed control is accepted by people gradually simultaneously.
Diflufenzopyr (diflufenzopyr), have another name called fluorine pyrrole acyl grass amine, ((4-(3 for 1-for chemical name: 2-, 5-difluorophenyl) semicarbazone) nicotinic acid ethyl), it is a kind of amino carbamide herbicides, be mainly used in the corn postemergence weed control, its broad weed-killing spectrum can be prevented and kill off multiple broad leaved weed and and undergraduate course weeds effectively.It is reported that the weeding of diflufenzopyr is general to be better than present used corn field herbicide.It has resistant weed or weeds such as Bermuda grass, Veronica that special efficacy is arranged to atrazine.But diflufenzopyr is produced less at home, and price is higher, and the unit are use cost is big, it is sold with usage amount all be restricted.
Atrazine (Atrazine), have another name called atrazine, a kind of triazine herbicide, formal name used at school 2-chloro-4-ethylamino-6-isopropylamino-1,3, the 5-triazine, before belonging to selectivity inner sucting conduction type seedling, herbicide after seedling, be absorbed as the master with root, cauline leaf absorbs seldom, be transmitted to plant meristematic tissue and leaf portion rapidly, disturb photosynthesis that weeds are caused death.In resistance crop bodies such as corn, decomposed the generation innocuous substance by the corn ketolase, thereby to safety such as corns.Its spectrum of grass extremely is wider, can prevent and kill off multiple annual gramineae and broad leaved weed.Easily by rainwater drip washing to soil than deep layer, also effective to some dark root grass, but easily produce poisoning, usage amount is difficult for excessive, and atrazine has only inhibitory action to perennial weed, therefore, its herbicidal spectrum is narrower, in addition, because corn field uses atrazine for a long time, there have been multiple weeds that it has been produced resistance.
Corn field herbicide is limit by crop safety at present, it is also limited to kill the grass spectrum, be used alone the agent of weed killer herbicide list and can not control the generation of corn field weed completely effectively, moreover some weed killer herbicide is because water-soluble big or the field lasting period is oversize, consumption is excessive or the inhomogeneous residual hazard that all causes easily this season crop or succession crop of dispenser.
Summary of the invention
The purpose of this invention is to provide a kind of Herbicidal combinations that contains diflufenzopyr and atrazine.
Another object of the present invention provides the application of this Herbicidal combinations in the weed killer herbicide of preparation control of maize field weed.
A kind of Herbicidal combinations that contains diflufenzopyr and atrazine is characterized in that this Herbicidal combinations is main active ingredient with diflufenzopyr and atrazine, and wherein the mass ratio of diflufenzopyr and atrazine is 1～65: 1～70.The mass ratio of preferred diflufenzopyr and atrazine is 1～50: 5～60.
In Herbicidal combinations, the two gross mass percentage composition in Herbicidal combinations of diflufenzopyr and atrazine is 10～85%, and preferred gross mass percentage composition is 25～80%.
In the binary built preparation of diflufenzopyr of the present invention and atrazine, except active ingredients such as diflufenzopyr and atrazine, can also add the auxiliary agents such as conventional surfactants, thickener, solvent or solid packing that allow on the pesticidal preparations and be mixed with any one formulation that allows on the agricultural chemicals.Preferably be processed into oil-suspending agent, do outstanding agent, water dispersion granule, wetting powder etc.
Herbicidal combinations of the present invention can be after the corn field seedling is prevented and kill off in preparation be used in the weed killer herbicides of weeds, particularly uses to have remarkable result in the weed killer herbicide of various grass family and broad leaved weed in the corn field is prevented and kill off in preparation.
Herbicidal combinations of the present invention has the following advantages:
1, activity of weeding height.The weeding mechanism of diflufenzopyr is to suppress the plain transfer of weed growth, and atrazine is to disturb photosynthesis.That is to say that Herbicidal combinations of the present invention can kill weeds by two kinds of different approaches, can greatly improve the removing activity of weed killer herbicide.
2, herbicidal spectrum is wide, and the lasting period is long.Diflufenzopyr and atrazine all are the broad spectrum weeding agent, after both mix, herbicidal spectrum is wideer, and, because atrazine has the preceding activity of weeding of bud, makes this combinations of herbicides when preventing and kill off the weeds of being unearthed, and the weeds of being unearthed that soon germinate are had certain activity, suppress the unearthed growth of weeds, prolonged the lasting period of medicament.
3, delay the weeds resistance.Because weeds easily produce resistance to atrazine, and contain diflufenzopyr in the weed killer herbicide of the present invention, make medicament can prevent effectively weeds except anti-atrazine in addition, having reduced the pesticide resistance of weeds, prolonged the service life of medicament.
4, safe.Herbicidal combinations of the present invention is applied to the corn field postemergence weed control, and it can prevent and kill off various grass family and broad leaved weed in the corn field, has avoided this season is done the deposits yields poisoning and succession crop produced the possibility of residual hazard.
Embodiment
Embodiment 1
Diflufenzopyr 8%, atrazine 22%, NNO 6%, neopelex 4%, alkylphenol polyoxyethylene 3%, thickener 2%, water supplies 100%, and being mixed with active ingredient gross mass percentage composition according to the formulation method of routine is 30% suspending agent.
Embodiment 2
Diflufenzopyr 5%, atrazine 20%, NNO (di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate) 5%, dodecyl sodium sulfate 4%, sodium lignin sulfonate supplies 100%, and being mixed with active ingredient gross mass percentage composition according to the formulation method of routine is 25% the outstanding agent of doing.
Embodiment 3
Diflufenzopyr 15%, atrazine 60%, sodium lignin sulfonate 7%, neopelex 5%, ammonium sulfate 5%, diatomite supplies 100%, and being mixed with active ingredient gross mass percentage composition according to the formulation method of routine is 75% water dispersion granule.
Embodiment 4
Diflufenzopyr 10%, atrazine 40%, NNO (di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate) 6%, sodium lignin sulfonate 4%, white carbon 9%, kaolin supplies 100%, and being mixed with active ingredient gross mass percentage composition according to the formulation method of routine is 50% wetting powder.
Embodiment 5
Diflufenzopyr 35%, atrazine 5%, NNO (di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate) 6%, neopelex 4%, alkylphenol polyoxyethylene 3%, thickener 2%, water supplies 100%, and being mixed with active ingredient gross mass percentage composition according to the formulation method of routine is 40% suspending agent.
Embodiment 6
Diflufenzopyr 1%, atrazine 60%, NNO (di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate) 6%, sodium lignin sulfonate 4%, white carbon 9%, kaolin supplies 100%, and being mixed with active ingredient gross mass percentage composition according to the formulation method of routine is 61% wetting powder.
Embodiment 7
Diflufenzopyr 50%, atrazine 30%, NNO (di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate) 10%, sodium lignin sulfonate 6%, white carbon 9%, kaolin supplies 100%, and being mixed with active ingredient gross mass percentage composition according to the formulation method of routine is 80% wetting powder.
Embodiment 8
1), indoor active determination test
Utilize the preparation among the embodiment 1～4, measure it to the co-toxicity coefficient of corn field common weed dayflower.
Test method: the seed of quantitative dayflower is seeded in respectively in the Disposable paper cup of 9cm, sows 10～15 seeds in every glass, in illumination box, cultivate, treat dayflower 3～6 leaves during the phase, do the composition spray processing of spraying in crawler type.Handle in the greenhouse, back and continue to cultivate, each handles preventive effect to weeds routine observation, and each weeds fresh weight after handling of weighing behind the 30d is pressed the method for nineteen sixty propositions such as Sun Yunpei, calculates its toxicity regression curve and co-toxicity coefficient.Co-toxicity coefficient shows that greater than 100 two kinds of active principles have synergistic effect, and co-toxicity coefficient shows that less than 100 two kinds of active principles have antagonism.Measurement result is as shown in table 1.
The indoor determination of activity result of table 1
As can be seen from the above table, the co-toxicity coefficient after two kinds of active principles are composite illustrates that all greater than 100 the present invention has obvious synergistic effect.
2), field control effectiveness test.
4 kinds of re-compounded binary herbicides among reagent agent: the embodiment 1～4.
Contrast medicament: 38% atrazine suspending agent (commercially available), 20% diflufenzopyr WG (commercially available).
For studying thing: corn
Maize seedling was 3～5 leaf phases, grew fine, and robust plant does not have other damage by disease and insect.
Prevent and kill off object:
Corn field advantage weeds such as lady's-grass, green foxtail, Ya Zhi grass, little lamb's-quarters, willow leaf knotweed.
Test method:
According to the area of experimental plot, the accurate good various medicaments of weighing, and after converting the water dilution, utilize knapsack sprayer, and carrying out even spraying, shower nozzle is selected the Fan spray head of weed killer herbicide special use for use.During spraying, note soup is evenly sprayed application in the experimental plot, accomplish not leak the phenomenon of spray, many sprays.
After the test respectively behind medicine 20d, 40d observe the weeds death condition, and the activity of weeding of more various medicaments.In addition, also to behind medicine, observe the condition of production of crop in 1～15d, to investigate medicament whether crop be had poisoning.
Embodiments of the invention preparation weeding test effect see the following form 2 (20d behind the medicine) and table 3 (40d behind the medicine), medicament the results are shown in Table 4 to the security survey of crop.
Table 2 field control effectiveness test result (20d behind the medicine)
| Handle medicament | Consumption (ga.i./mu) | Grass family preventive effect (%) | Broad leaved weed preventive effect (%) | Total preventive effect (%) |
| Embodiment 1 | 20 | 95 | 91 | 94 |
| Embodiment 2 | 20 | 89 | 94 | 91 |
| Embodiment 3 | 20 | 93 | 90 | 90 |
| Embodiment 4 | 20 | 92 | 92 | 92 |
| 38% atrazine hangs agent | 80 | 80 | 70 | 74 |
| 20% diflufenzopyr WG | 20 | 85 | 87 | 85 |
Table 3 field control effectiveness test result (40d behind the medicine)
| Handle medicament | Consumption (ga.i./mu) | Grass family preventive effect (%) | Broad leaved weed preventive effect (%) | Total preventive effect (%) |
| Embodiment 1 | 20 | 90 | 91 | 90 |
| Embodiment 2 | 20 | 89 | 92 | 91 |
| Embodiment 3 | 20 | 87 | 89 | 88 |
| Embodiment 4 | 20 | 92 | 88 | 89 |
| 38% atrazine hangs agent | 80 | 75 | 60 | 70 |
| 20% diflufenzopyr WG | 20 | 75 | 77 | 77 |
Consumption in table 2 and the table 3 all refers to the consumption of active ingredient in each preparation.
As can be seen, the present invention has significant preventive effect to grassy weed and broad leaved weed from table 2 and table 3, and synergy is remarkable, and the lasting period is long.
The embodiments of the invention preparation sees Table 4 to the safety of crop
Table 4 medicament is to the security survey result of crop
Each corn of handling in the residential quarter grows fine, and does not see any medicine spot, illustrates that various medicaments are to the equal safety of corn.
Claims (12)
1. Herbicidal combinations that contains diflufenzopyr and atrazine, it is characterized in that this Herbicidal combinations is main active ingredient with diflufenzopyr and atrazine, and prepare by the following method: diflufenzopyr 8%, atrazine 22%, NNO 6%, neopelex 4%, alkylphenol polyoxyethylene 3%, thickener 2%, water supplies 100%, and being mixed with active ingredient gross mass percentage composition according to the formulation method of routine is 30% suspending agent.
2. Herbicidal combinations that contains diflufenzopyr and atrazine, it is characterized in that this Herbicidal combinations is main active ingredient with diflufenzopyr and atrazine, and prepare by the following method: diflufenzopyr 5%, atrazine 20%, NNO5%, dodecyl sodium sulfate 4%, sodium lignin sulfonate supplies 100%, and being mixed with active ingredient gross mass percentage composition according to the formulation method of routine is 25% the outstanding agent of doing.
3. Herbicidal combinations that contains diflufenzopyr and atrazine, it is characterized in that this Herbicidal combinations is main active ingredient with diflufenzopyr and atrazine, and prepare by the following method: diflufenzopyr 15%, atrazine 60%, sodium lignin sulfonate 7%, neopelex 5%, ammonium sulfate 5%, diatomite supplies 100%, and being mixed with active ingredient gross mass percentage composition according to the formulation method of routine is 75% water dispersion granule.
4. Herbicidal combinations that contains diflufenzopyr and atrazine, it is characterized in that this Herbicidal combinations is main active ingredient with diflufenzopyr and atrazine, and prepare by the following method: diflufenzopyr 10%, atrazine 40%, NNO6%, sodium lignin sulfonate 4%, white carbon 9%, kaolin supplies 100%, and being mixed with active ingredient gross mass percentage composition according to the formulation method of routine is 50% wetting powder.
5. the application in the weed killer herbicide of the described Herbicidal combinations of claim 1 weeds after the corn field seedling is prevented and kill off in preparation.
6. the application in the weed killer herbicide of the described Herbicidal combinations of claim 2 weeds after the corn field seedling is prevented and kill off in preparation.
7. the application in the weed killer herbicide of the described Herbicidal combinations of claim 3 weeds after the corn field seedling is prevented and kill off in preparation.
8. the application in the weed killer herbicide of the described Herbicidal combinations of claim 4 weeds after the corn field seedling is prevented and kill off in preparation.
9. the application in the weed killer herbicide of the described Herbicidal combinations of claim 1 various grass family and broad leaved weed after the corn field seedling is prevented and kill off in preparation.
10. the application in the weed killer herbicide of the described Herbicidal combinations of claim 2 various grass family and broad leaved weed after the corn field seedling is prevented and kill off in preparation.
11. the application in the weed killer herbicide of the described Herbicidal combinations of claim 3 various grass family and broad leaved weed after the corn field seedling is prevented and kill off in preparation.
12. the application in the weed killer herbicide of the described Herbicidal combinations of claim 4 various grass family and broad leaved weed after the corn field seedling is prevented and kill off in preparation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910036131 CN102027964B (en) | 2009-09-28 | 2009-09-28 | Herbicidal composition containing diflufenzopyr and atrazine and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910036131 CN102027964B (en) | 2009-09-28 | 2009-09-28 | Herbicidal composition containing diflufenzopyr and atrazine and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102027964A CN102027964A (en) | 2011-04-27 |
| CN102027964B true CN102027964B (en) | 2013-08-07 |
Family
ID=43881845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910036131 Active CN102027964B (en) | 2009-09-28 | 2009-09-28 | Herbicidal composition containing diflufenzopyr and atrazine and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102027964B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104957158B (en) * | 2015-07-03 | 2017-06-06 | 陕西上格之路生物科学有限公司 | A kind of Herbicidal combinations of Han oxaziclomefones and benthiocarb |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101076255A (en) * | 2004-12-14 | 2007-11-21 | 拜尔作物科学有限合伙公司 | Methods for increasing maize yields |
-
2009
- 2009-09-28 CN CN 200910036131 patent/CN102027964B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101076255A (en) * | 2004-12-14 | 2007-11-21 | 拜尔作物科学有限合伙公司 | Methods for increasing maize yields |
Non-Patent Citations (2)
| Title |
|---|
| Brent A. Sellers, et al..Waterhemp Control in Transgenic and Conventional Corn Varieties.《Plant Management Network》.2004,第1-7页. |
| Waterhemp Control in Transgenic and Conventional Corn Varieties;Brent A. Sellers, et al.;《Plant Management Network》;20041208;第1-7页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102027964A (en) | 2011-04-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102027978B (en) | Mixed herbicidal composition containing nicosulfuron and application thereof | |
| CN102027981A (en) | Herbicidal composition containing nicosulfuron and clopyralid and application thereof | |
| CN102265871A (en) | Weeding composition containing bentazone and 2,4-dichlorophenoxyacetic acid and application thereof | |
| CN102027985B (en) | Synergistic herbicide composition containing rimsulfuron and clopyralid and application thereof | |
| CN102027963B (en) | Herbicidal composition containing diflufenzopyr and mesotrione and application thereof | |
| CN102027969A (en) | Herbicidal composition containing clopyralid and tribenuron-methyl and application thereof | |
| CN102027964B (en) | Herbicidal composition containing diflufenzopyr and atrazine and application thereof | |
| CN102027919B (en) | Synergistic herbicide composition containing fluroxypyr and pendimethialin and application thereof | |
| CN102027982A (en) | Synergistic herbicidal composition containing rimsulfuron and bromoxynil | |
| CN102027976B (en) | Herbicidal composition containing sulcotrione and rimsulfuron and application thereof | |
| CN102027965B (en) | Herbicidal composition containing diflufenzopyr and clopyralid and use thereof | |
| CN102027914B (en) | Herbicide composition containing dithiopyr and fluroxypyr and application thereof | |
| CN102027977A (en) | Synergistic herbicidal composition containing rimsulfuron and atrazine and application thereof | |
| CN102027975B (en) | Synergistic herbicidal composition containing rimsulfuron and fluroxypyp and use thereof | |
| CN102027961A (en) | Herbicidal composition containing diflufenzopyr and picloram and application thereof | |
| CN102027979A (en) | Mixed herbicidal composition containing nicosulfuron and rimsulfuron and application thereof | |
| CN102027973B (en) | Herbicidal composition containing rimsulfuron and diflufenzopyr and application thereof | |
| CN102027945A (en) | Synergistic weeding composition containing clopyralid and bentazone | |
| CN102461530B (en) | Mixed herbicide containing cinosulfuron, bensulfuron-methyl and pendimethalin and application thereof | |
| CN102027971B (en) | Herbicide composition containing diflufenzopyr, dicamba and nicosulfuron and application of herbicidal composition | |
| CN102027970B (en) | Herbicidal composition containing clopyralid and thifensulfuron-methyl and application thereof | |
| CN102027921B (en) | Synergistic herbicidal composition containing picloram and bromoxynil and application thereof | |
| CN102027966A (en) | Herbicidal composition containing diflufenzopyr and 2,4-dichlorophenoxyacetic acid and application thereof | |
| CN102027923B (en) | Synergistic herbicidal composition containing picloram and pendimethalin and application thereof | |
| CN105494391A (en) | Mixed herbicide containing halosulfuron-methyl and propyzamide |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |