CN104756985A - Applications of pesticide dicamba and composition of pesticide dicamba as tobacco bud inhibitor - Google Patents
Applications of pesticide dicamba and composition of pesticide dicamba as tobacco bud inhibitor Download PDFInfo
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- CN104756985A CN104756985A CN201410000443.0A CN201410000443A CN104756985A CN 104756985 A CN104756985 A CN 104756985A CN 201410000443 A CN201410000443 A CN 201410000443A CN 104756985 A CN104756985 A CN 104756985A
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- Prior art keywords
- dicamba
- tobacco
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Abstract
The invention relates to applications of pesticide active ingredient dicamba in inhibiting tobacco axillalry bud growth or in preparing a tobacco bud inhibitor. The invention also discloses a composition comprising another pesticide active component, wherein the pesticide active component is selected from uniconazole, trifluralin, prodiamine, flumetralin, pendimethalin, and butralin; and the weight ratio of dicamba to the pesticide active component ranges from 1:60 to 60:1. The pesticide active component can be made into a soluble liquid preparation, a micron emulsion, a water emulsion preparation, a suspending agent, a water dispersible particle preparation, a microcapsule preparation, a wettable powder, a missible oil, and the like. It is confirmed by experiments that the composition is used for inhibiting bud growth, and bud growth inhibiting effect is excellent, wherein dicamba is taken as the main active ingredient, and the composition is prepared from dicamba, the pesticide active component, and an auxiliary agent; no adverse influence on tobacco leaf chemical composition is caused by application of 40% of dicamba soluble liquid preparation, potassium content is increased, and tobacco leaf quality is improved.
Description
Technical field
The present invention is the composition pesticide of a kind of agricultural chemicals dicamba and dicamba and other one or more material mixtures, as tobacco germination inhibitor, relates to the purposes of a class novel agrochemical plant growth regulator, platymiscium resist technology field.
Background technology
Dicamba: english common name: Dicamba.Structural formula:
Chinese another name is dicamba, Dicamba; Chemical name is the chloro-O-Anisic Acid of 3,6-bis-.Molecular formula: C
8h
6cl
2o
3; Molecular weight: 221.04.CAS registration number: 1918-00-9.
Dicamba, former medicine is pale yellow crystals solid, and sterling is white crystals.Fusing point 114 ~ 116 DEG C, flash-point 150 DEG C, decomposes when 200 DEG C, relative density 1.57 (25 DEG C), vapour pressure 0.5Pa (100 DEG C).Solvability when 25 DEG C: ethanol 922g/L, isopropyl alcohol 760g/L, acetone 810g/L, toluene 130g/L, carrene 260g/L ， diox 1180g/L, water 6.5g/L.Phase mixcibility is good, stable storage, has anti-oxidant and resistant to hydrolysis ability.
Dicamba.Former medicine is to rat acute per os LD
50be 1879 ~ 2740mg/kg, Rabbits with Acute is through skin LD
50> 2000mg/kg; Rabbit eyes spinosity is swashed and corrosiveness.Rabbit is subacute through skin action-less dose 500mg/kg, and rat 2 years feeding experiment action-less doses are 25mg/kg every day, and dog is 1.25mg/kg.Teratogenesis, carcinogenic, mutagenesis is had no under experimental condition.
Dicamba is in the market for weed killer herbicide.Belong to benzoic acid system weed killer herbicide.There is Uptake and translocation effect, have remarkable preventive effect to annual and perennial broadleaf weed.Prevent and kill off clearvers, corn-bind, lamb's-quarters, ox chickweed, common vetch for gramineous crops such as wheat, corn, millet, paddy rice, broadcast ma's lettuce, Siberian cocklebur, Bao Shuocao, field bindweed, field thistle, meadow pine, carp intestines etc.Spray after seedling, medicament, by the stem of weeds, leaf, root absorption, is conducted up and down by phloem and xylem, hinders the normal activity of plant hormone, thus makes it dead.
Tobacco axillary bud: on tobacco planting, tobacco growing to initial bloom stage in squaring period, needs manually to pinch, prevents its excessive growth, to ensure the Quality and yield of tobacco leaf.But after pinching, cigarette strain endotrophic element promotes that between its cigarette strain and tobacco leaf, lateral bud (being commonly called as axillalry bud) is suddenly long, has a strong impact on quality of tobacco and output especially.Remove if manually beaten, weak effect, efficiency are low, and can not control nutrition in time, for a long time to axillalry bud transmission.Suckering agents then can suppress tobacco axillary bud to grow in time, effectively.
Tobacco germination inhibitor: the medicament that can effectively suppress tobacco axillary bud to grow is referred to as Suckering agents.The main tobacco germination inhibitor that current tobacco grower uses has 12.5 ~ 25% flumetralim missible oil, 33% pendimethalin missible oil, 36% butralin missible oil, and 30% diformazan penta uniconazole P missible oil all has certain inhibition.But owing to using extension rate low, use cost is high; Drug effect is general; And owing to being all that missible oil damages people; And serious environment pollution.
Therefore, according to current present situation, develop new efficient, low toxicity, low cost and environment amenable tobacco germination inhibitor, the seed output and quality improving tobacco leaf is very important, be badly in need of.
Summary of the invention
The technical problem to be solved in the present invention is: overcome that existing tobacco germination inhibitor service efficiency is low, cost is high and the shortcoming of contaminated environment, provide a kind of efficient, low toxicity, use cost are low, easy to process and eco-friendly product.
For solving the problems of the technologies described above, the invention provides the composition pesticide of a class agricultural chemicals dicamba and dicamba and other one or more material mixtures, as tobacco germination inhibitor.
The object of the present invention is achieved like this:
1, pesticide activity component dicamba is for suppressing tobacco axillary bud growth or the purposes for the preparation of tobacco germination inhibitor.2, according to above-mentioned purposes, it is characterized in that, comprise other pesticide activity component further, other pesticide activity component described is selected from: uniconazole P, trefanocide, prodiamine, flumetralim, Pendimethalin, butralin; The weight ratio of dicamba and other active component described is 1: 60 ~ 60: 1
3, by above-mentioned purposes, the wherein preferred dicamba of pesticide activity component and uniconazole P, the weight ratio 1: 60 ~ 60: 1 of the two, is preferably 1: 10 ~ 10: 1, most preferably is 7: 2.
4, according to above-mentioned purposes, the wherein preferred dicamba of pesticide activity component and flumetralim, the weight ratio 1: 30 ~ 30: 1 of the two, is preferably 1: 20 ~ 20: 1, most preferably is 2: 13.
5, according to above-described purposes, it is characterized in that, pesticide activity component is prepared into the formulations such as soluble liquid, microemulsion, aqueous emulsion, suspending agent, water dispersible granules, microcapsule formulations, wetting powder, missible oil.
6, the composition pesticide for suppressing tobacco axillary bud to grow, wherein active component comprises a) dicamba; B) uniconazole P, trefanocide, prodiamine, flumetralim, Pendimethalin, butralin is selected from ... in one or more active components; Wherein weight ratio a) and b) is 1: 60 ~ 60: 1.
7, medicament drenched with cup, smear, spray, fill with the method dispenser of root.
Embodiment
Below by example, the invention will be further described:
Processing method routinely, is processed into former for dicamba medicine:
40% soluble liquid (single dose),
9% weed eradication fear uniconazole P (7: 2 composition) microemulsion,
15% dicamba flumetralim (2: 13 composition) water dispersible granules,
Carry out field control effectiveness test.
Because dicamba is the new tobacco germination inhibitor of the present invention, whether have harmful effect to the yield and quality of tobacco, this test is special have been carried out surveying producing and Quality Detection to dicamba.Further illustrate test method of the present invention below.
Experimental scheme and arrangement
Test medicine process
1 40% dicamba soluble liquid
2 9% dicamba uniconazole P (7: 2) microemulsions
3 15% dicamba flumetralim (2: 13) water dispersible granules
4 contrast medicament 33% pendimethalin missible oils
5, medicament 5% uniconazole P wetting powder is contrasted
6, medicament 25% flumetralim missible oil is contrasted
Reagent agent experimental scheme
Table 1 reagent agent experimental scheme
Community arranges
Community arranges
The group arrangement of random district
The group arrangement of random district
| 1 | 2 | 6 | 3 | 1 | 6 | 2 | 5 |
| 5 | 4 | 4 | 3 | 7 | 3 | 6 | 7 |
| 6 | 7 | 8 | 8 | 4 | 2 | 8 | 8 |
| 3 | 5 | 1 | 5 | 2 | 7 | 4 | 1 |
Plot area and repetition
Plot area: 50m
2.Number of repetition: 4.
1 application method
1.1 using method
At full field Yan Zhu 1/2 center, the flowers are in blossom puts, top length at more than 20cm time pinch, and extract all axillalry buds being longer than 2cm.After pinching in certain hour, adopt cup to drench method dispenser, every strain amount of liquid medicine is 20ml.
1.2 spraying equipment
Field operation measuring cup.
1.3 usage amount
According to respective concentration, every 667m
224Kg is about by amount of liquid medicine.(by 1200 strains/667m
2calculate).
2 investigation, record and measuring method
2.1 investigation number of times and methods
2.1.1 investigate number of times field and investigate 3 times altogether.
2.1.2 investigation method
3 points are got in every community, often 10 strains, within 2,4,6 weeks, respectively investigate bud number (more than 2cm) of once living after administration, adopt bud alive the last time and weigh during investigation.
2.2 drug effect computational methods
2.3 crop investigation
2.3.1 investigation method
Whether range estimation investigation each process community tobacco growing situation is normal.
2.3.2 control time and number of times.Within after dispenser 2 weeks, 4 weeks, 6 weeks, respectively investigate once.
2.4 yield and qualities measure
2.4.1 the output value measures
Carry out Output value mensuration to the tobacco picking and roasting of each process community, observation medicament is on the impact of tobacco production and the output value.
2.4.2 interior quality measures
Choose 40% dicamba soluble liquid, 4000 times of dilution process groups, 330 grams per liter pendimethalin missible oil (except bud leads to) (contrast) 100 times of dilution process groups and manually smear fork process three tobacco samples, carrying out interior quality analysis by tobacco industry product quality supervision and inspection test center of the Ministry of Agriculture.
3 results and analysis
The 3.1 each process cigarette districts of range estimation, cigarette strain is grown fine, no abnormal.
The bud inhibition effect of 3.2 pairs of tobacco axillary buds
Table 2 dicamba and composition thereof are to the inhibition of tobacco axillary bud
Note: in table, numeral is repeat mean value four times.
As shown in Table 2, after dispenser 2 weeks, 40% dicamba soluble liquid diluted 4000 times; 9% dicamba-Uniconazole microemulsion dilutes 800 times; After 15% dicamba-flumetralim water-dispersible grain dilution agent 400 times process dispenser, 93.35%, 98.10% and 97.16% is respectively to the bud rate that presses down of cigarette bud, presses down bud rate all higher than process 4,5,6 these 3 contrast medicament.
Show further the statistical analysis (table 2) of the bud fresh weight investigation result alive processed for 6 weeks behind 2 weeks, 4 weeks and 6 weeks after dispenser respectively the bud number alives of process community and dispenser, each chemicals treatment is not smeared wooden fork and is contrasted and compared pole significant difference with pinching; The bud fresh weight alive of post processing in 6 weeks, the bud inhibition effect of 40% dicamba soluble liquid 4000 times, 9% dicamba alkene-effect azoles microemulsion 800 times, 15% dicamba-flumetralim water dispersible granules 400 times is 90.78%, 95.10%, 94.59% respectively, all higher than control treatment 4,5,6 these 3 contrast medicament.The bud inhibition effect of process 1,2,3 these three reagent agent fresh weights with manually to pinch that to smear wooden fork effect close.Illustrate that dicamba and complex preparation thereof have good bud inhibition effect to tobacco axillary bud.
3.3 impacts on cigarette strain yield and quality
Table 3 dicamba and composition test Output value measurement result thereof
Table 3 is the determination and analysis result of test process yield and quality.Between dicamba and composition thereof respectively process in output, the output value and average price without significant difference; Significant difference is not had with contrast medicament yet; The quality index of each reagent agent is significantly higher than to pinch does not smear wooden fork process.
3.4 test Tobacco Chemical Components analytical table to the impact of tobacco leaf interior quality
Table 4
40% dicamba soluble liquid test Tobacco Chemical Components analytical table
Table 4 is sample assay result, can find out, using the chemical composition of 40% dicamba soluble liquid to tobacco leaf does not have harmful effect, and improve potassium content, quality of tobacco also makes moderate progress.
In a word, can obviously find out from table 2 ~ 4, dicamba and composition thereof have outstanding bud inhibition effect as tobacco germination inhibitor.Particularly 40% dicamba soluble liquid (single dose) dilutes 4000 times, and bud inhibition effect reaches 90.78%; Other 9% dicamba-Uniconazole microemulsion 800 times, the bud inhibition effect of 15% dicamba-flumetralim water dispersible granules 400 times are 95.10%, 94.59% respectively, all higher than control treatment 4,5,6 these 3 contrast medicament.And harmful effect is not had to the output of tobacco leaf and inherent composition, not only increase to the output of tobacco, also make moderate progress to the quality of tobacco, the content of potassium also increases.
Some explanation
Our optional test medicament above-mentioned
1 45% dicamba soluble liquid,
2 9% dicamba uniconazole P (7: 2) microemulsions,
3 15% dicamba flumetralim (2: 13) water dispersible granules,
By considering the optium concentration or proportioning that obtain with recipe determination.Bud result of the test is pressed down to the tobacco of dicamba single dose different dosage form, concentration and all has good effect.For the composition pesticide of dicamba and other one or more materials (comprising agricultural chemicals) mixture, mentioned by the present invention as uniconazole P, flumetralim, synergy is proved from embodiment, and amino benzenes compounds Suckering agents is belonged to together to trefanocide, Pendimethalin, butralin and flumetralim, therefore be meet composite rule, synergy, will not enumerate herein.
In above-mentioned optional test reagent combination screening process, under selecting dicamba and other agricultural chemicals different ratio situation, its effect being used as tobacco germination inhibitor is fair, explanation the invention provides the composition pesticide that a class take dicamba as principle active component and dicamba and other one or more materials (comprising agricultural chemicals) mixture, is real, feasible as tobacco germination inhibitor.
Above-mentioned example is only to further explanation of the present invention, is not limitation of the invention, by the scheme simply adjusted by such scheme and then obtain, equally within the protection domain of the application.
Claims (10)
1. pesticide activity component dicamba is for suppressing tobacco axillary bud growth or the purposes for the preparation of tobacco germination inhibitor.
2. purposes according to claim 1, is characterized in that, comprises other pesticide activity component further, and other pesticide activity component described is selected from: uniconazole P, trefanocide, prodiamine, flumetralim, Pendimethalin, butralin; The weight ratio of dicamba and other active component described is 1: 60 ~ 60: 1
3. purposes according to claim 2, the wherein preferred dicamba of pesticide activity component and uniconazole P, the weight ratio 1: 10 ~ 10: 1 of the two.
4. purposes according to claim 2, the wherein preferred dicamba of pesticide activity component and flumetralim, the weight ratio 1: 20 ~ 20: 1 of the two.
5., according to the arbitrary described purposes of Claims 1 to 4, it is characterized in that, pesticide activity component is prepared into soluble liquid, microemulsion, aqueous emulsion, suspending agent, water dispersible granules, microcapsule formulations, wetting powder, missible oil.
6. the method suppressing tobacco axillary bud to grow, is characterized in that the generating region arbitrary for Claims 1 to 5 described medicament being applied to tobacco planting.
7. method according to claim 6, is characterized in that, drenches medicament, smears, sprays, fills with the method dispenser of root with cup.
8. the composition pesticide for suppressing tobacco axillary bud to grow, wherein active component comprises a) dicamba; B) uniconazole P, trefanocide, prodiamine, flumetralim, Pendimethalin, butralin is selected from ... in one or more active components; Wherein weight ratio a) and b) is 1: 60 ~ 60: 1.
9. purposes according to claim 2, wherein said active component b) be uniconazole P, and the weight ratio of dicamba and uniconazole P is 7; 2.
10. purposes according to claim 2, wherein said active component b) be flumetralim, and the weight ratio of dicamba and flumetralim is 2; 13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410000443.0A CN104756985A (en) | 2014-01-02 | 2014-01-02 | Applications of pesticide dicamba and composition of pesticide dicamba as tobacco bud inhibitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410000443.0A CN104756985A (en) | 2014-01-02 | 2014-01-02 | Applications of pesticide dicamba and composition of pesticide dicamba as tobacco bud inhibitor |
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|---|---|
| CN104756985A true CN104756985A (en) | 2015-07-08 |
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ID=53639373
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410000443.0A Pending CN104756985A (en) | 2014-01-02 | 2014-01-02 | Applications of pesticide dicamba and composition of pesticide dicamba as tobacco bud inhibitor |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104663686A (en) * | 2015-03-13 | 2015-06-03 | 鲍祖胜 | Chlorpropham and uniconazole pesticide composition as tobacco bud inhibitor |
| CN106070207A (en) * | 2016-06-21 | 2016-11-09 | 中国农业科学院烟草研究所 | The Suckering agents compositions of Suckering agents persticide residue in Nicotiana tabacum L. can be reduced |
| CN106942217A (en) * | 2017-04-12 | 2017-07-14 | 江苏金凤凰农化有限公司 | A kind of composition and application process that soybean damping-off is treated based on guaiacol |
| CN107467018A (en) * | 2017-08-18 | 2017-12-15 | 浙江禾田化工有限公司 | One grow tobacco anti-germinating combination preparation and suppress tobacco axillary bud growth method |
| CN115885999A (en) * | 2022-12-30 | 2023-04-04 | 贵州遵义泉通化工有限公司 | Tobacco axillary bud inhibitor taking dicamba as main action |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106070207A (en) * | 2016-06-21 | 2016-11-09 | 中国农业科学院烟草研究所 | The Suckering agents compositions of Suckering agents persticide residue in Nicotiana tabacum L. can be reduced |
| CN106942217A (en) * | 2017-04-12 | 2017-07-14 | 江苏金凤凰农化有限公司 | A kind of composition and application process that soybean damping-off is treated based on guaiacol |
| CN107467018A (en) * | 2017-08-18 | 2017-12-15 | 浙江禾田化工有限公司 | One grow tobacco anti-germinating combination preparation and suppress tobacco axillary bud growth method |
| CN115885999A (en) * | 2022-12-30 | 2023-04-04 | 贵州遵义泉通化工有限公司 | Tobacco axillary bud inhibitor taking dicamba as main action |
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