CN103843801A - Suspended seed coating containing ethyl 2-cyano-3-amino-3-phenylacrylate and thiram - Google Patents
Suspended seed coating containing ethyl 2-cyano-3-amino-3-phenylacrylate and thiram Download PDFInfo
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- CN103843801A CN103843801A CN201210515602.1A CN201210515602A CN103843801A CN 103843801 A CN103843801 A CN 103843801A CN 201210515602 A CN201210515602 A CN 201210515602A CN 103843801 A CN103843801 A CN 103843801A
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- cyano
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Abstract
The invention relates to a suspended seed coating. The effective components of the suspended seed coating are ethyl 2-cyano-3-amino-3-phenylacrylate and thiram. In the suspended seed coating provided by the invention, the content of ethyl 2-cyano-3-amino-3-phenylacrylate is 1-80% and is preferably 5-40%; the content of thiram is 1-80% and is preferably 10-80%. The suspended seed coating provided by the invention can be used as seed coating and is long in lasting period, safe, low in toxicity and remarkable in synergism. The suspended seed coating is used for preventing and controlling such underground pests as grubs, mole crickets, wireworms or the like of crops, for example peanut, corn, wheat, rice and the like; preventing and controlling such sucking mouthparts pests as seedling aphids, planthoppers, thrips, whiteflies, leafhoppers and the like; and preventing and controlling such diseases as gibberellic disease, fusarium wilt, banded sclerotial blight, full rot, rice blast, powdery mildew, bacterial wilt and the like.
Description
Technical field
The present invention relates to a kind of suspension seed-coating agent and preparation method thereof, its active ingredient is 2-cyano-3-amino-3-phenylancryic acetate and tmtd.
Background technology
2-cyano-3-amino-3-phenylancryic acetate is a kind of 2-cyanoacrylate bactericide.It is the bactericide of a kind of novel structure, mode of action uniqueness.The disease that 2-cyano-3-amino-3-phenylancryic acetate causes reaping hook mushroom has good preventive effect, has protective effect and therapeutic action.Be absorbed by root, on blade, have upwards transporting, towards blade bottom and interlobate transporting poor.Be mainly used in the disease that in cereal and non-cereals crop, control kind passes and soil-borne disease bacterium causes as Fusarium graminearum, Alternaria, Ascochyta, aspergillus, Fusarium, Helminthosporium, Rhizoctonia and Penicillium bacterium etc.
Tmtd, English name is
thiram, be a kind of tetra methylthiuram disulfide, belong to organosulfureous fungicide.Tmtd is a kind of bactericide with protective effect; fungicidal spectrum is wide; be mainly used in seed and soil treatment; the control smut of cereal crop and the seedling blight of various crop, yellow blight; also can be for spraying; the disease of control fruit tree and vegetables, as downy mildew, epidemic disease, anthracnose etc.
summary of the invention:
In order to overcome the above problems, the present invention proposes a kind of suspension seed-coating agent that contains tmtd and 2-cyano-3-amino-3-phenylancryic acetate and tmtd and 2-cyano-3-amino-3-phenylancryic acetate and preparation method thereof, object is that two kinds of medicaments carry out composite its advantage of giving full play to.
In the present invention, the content of tmtd and 2-cyano-3-amino-3-phenylancryic acetate active ingredient is: tmtd 1-80%, 2-cyano-3-amino-3-phenylancryic acetate 1-80%; Preferably than being tmtd 10-80%, 2-cyano-3-amino-3-phenylancryic acetate 5-40%.
In the present invention, active ingredient tmtd and the 2-cyano-3-amino-3-phenylancryic acetate total content mass ratio in preparation is 1-80%.
The formula of the suspension seed-coating agent the present invention relates to is:
Tmtd 1-80%
2-cyano-3-amino-3-phenylancryic acetate 1-80%
Emulsifier 3-5%
Dispersant 2-5%
Film forming agent 4-8%
Antifreezing agent 2-5%
Thickener 0.1-3%
Warning colouration 0.1-0.5%
Defoamer 0-0.3%
Water surplus
The preparation method of this seed coat agent is: take each raw material by above proportioning, then heat water to 50 ℃, film forming agent and warning colouration stirring are added, solvent becomes film forming solvent completely, again active ingredient, emulsifier, dispersant, antifreezing agent, thickener etc. are dropped into ball mill grinding 2-5 hour, make particle diameter all below 5 μ m, can make.
The seed coat agent the present invention relates to is composite insecticidal bactericide, this seed coat agent stable chemical nature, 54 ± 2 ℃ of condition lower seals were stored after 14 days, heat storage resolution ratio is less than 5%, and suspensibility, more than 90%, reaches the international regulation for seed coat agent, by adding special film forming agent, for seed pelleting, there is the lasting period long, safety and low toxicity, synergy outstanding feature.Can be for the soil insect of the crops such as control peanut, corn, wheat, paddy rice as grub, mole cricket, wireworm etc.; The suckings pest such as control aphid in seedling stage, small brown rice planthopper, thrips, powdery mildew, leafhopper; The diseases such as control gibberella zeaze petch of wheat and barley, fusarium wilt, banded sclerotial blight, full rot, rice blast, powdery mildew, bacterial wilt.
embodiment:
40% tmtd 2-cyano-3-amino-3-phenylancryic acetate suspension seed-coating agent field trial
1, experiment purpose
By field trial, insect protected and the seedling protecting effect of clear and definite 40% tmtd 2-cyano-3-amino-3-phenylancryic acetate suspension seed-coating agent control of maize soil insect (grub), and impact on corn growth.
, experimental condition
The selection of 2.1 subjects, crop and kind
Subjects be holotrichia oblita (
holotrichia oblita), anomala corpulenta (
anomalacorpulenta Motsch), be corn for studying thing, corn variety is for dredging single 20.
2.2 environmental condition
Experimental field is located at Xing Jia South Asia, Gaoyang County, Hebei province, and loam, soil fertility are general, and first crop crop is wheat, sowing on June 25th, 2010.After corn seed is selected, carry out chemicals treatment, when sowing, quantitatively sow, bunch planting, 3, every cave.Field management is consistent, Pass Test requirement.This plot soil insect occurs general, take grub as main, mainly contains Holotrichia oblita, anomala corpulenta and wireworm etc.
, experimental scheme and arrangement
3.1 test medicine
60% tmtd 2-cyano-3-amino-3-phenylancryic acetate suspension seed-coating agent.
3.2 tests are processed and design
3.2.1 5 processing are established in this test altogether:
The test of table 1 reagent agent is processed
| Process numbering | Medicament | Dispenser dosage (amount of formulation pesticide-seeds ratio) |
| 1 | Suspension seed-coating agent of the present invention (tmtd 20: 2-cyano-3-amino-3-phenylancryic acetate 20) | 1:50 |
| 2 | Suspension seed-coating agent of the present invention (tmtd 20: 2-cyano-3-amino-3-phenylancryic acetate 20) | 1:60 |
| 3 | 20% tmtd SC | 1:60 |
| 4 | 10% 2-cyano-3-amino-3-phenylancryic acetate SC | 1:45 |
| 5 | Blank | / |
3.2.2 experimental scheme
Test adopts randomised block design, repeats for 4 times, and community area is 56 square metres (70cm ridge two ridge 40m are long).
, test method
4.1 seed dressing method
Each puts into plastic sack after processing and weighing up according to pharmacopoeia ratio, holds sack, make to be full of air in bag, and fully shake, until seed pelleting is even, seed dressing after drying in the shade.
4.2 type of seeding
Sowing on June 25th, 2010, artificial dibbling, sowing depth 5-7cm, 3, every cave seed, then sprinkles 100 grams, 0.1% black tassel bacteria soil thereon, and earthing, treads.
investigation method
5.1 indoor germination gesture and germination rate investigation
100 seeds are chosen separately in every processing, in the indoor germination test of carrying out, and investigation germination vigor and germination rate.
5.2 poisoning investigation
After emerging, finish to breeding time, note at any time observing corn growth situation and whether have poisoning to occur.
5.3 field emergence rate investigation
When three leaves are investigated the corn plants number of full community wholeheartedly time.
5.4 soil insect investigation
In the corn 3-4 leaf phase, carry out soil insect investigation in conjunction with thinning.Every maize seedling being bitten by soil insects such as grub, mole cricket, cutworm or wireworms or kill is insect bite seedling, records insect bite seedling number, calculates worm seedling-damaging ratio and control efficiency.
Vermins-proof effect (%)=[(check plot insect bite seedling number-treatment region insect bite seedling number)/check plot insect bite seedling number] × 100
5.5 head smut investigation
Investigate every community whole plant head smut incidence in mid-August, record diseased plant number, calculate the incidence of disease and control efficiency.
Protection effect (%)=[(check plot morbidity strain number-treatment region morbidity strain number)/check plot morbidity strain number] × 100
5.6 determination of yield
When results, representational 5 points are selected in every community, and no point 2 ㎡ dry after threshing and weigh separately and calculate output and rate of growth.
, result of the test
6.1 indoor germination result of the tests (table 2)
As can be seen from Table 2, the each processing of suspension seed-coating agent of the present invention all has no adverse effects to corn germination rate and germination vigor, and a little more than other chemicals treatment.
Germination result in table 2 chambers
| Project processing | 1 | 2 | 3 | 4 | 5 |
| Germination vigor (%) | 85 | 86 | 88 | 86 | 88 |
| Germination rate (%) | 93 | 94 | 91 | 92 | 92 |
6.2 poisoning are observed
Through observing, within the whole breeding time of corn growth, suspension seed-coating agent of the present invention has no adverse effects to emergence of corn and growth, has no poisoning and occurs.
6.3 field emergence rate investigation results (table 3)
As can be seen from Table 3, the each field emergence rate of processing of suspension seed-coating agent of the present invention is all higher than blank, and emergence rate reaches 83.67%-86.936%, emergence of corn is had no adverse effects, and all higher than blank.
Table 3 field emergence rate investigation result
| Process and repeat | 1 | 2 | 3 | 4 | On average |
| 1 | 89.0 | 88.7 | 82.7 | 87.3 | 86.93 |
| 2 | 86.7 | 88.3 | 87.3 | 85.7 | 87.00 |
| 3 | 85.3 | 88.3 | 86.6 | 90.0 | 87.55 |
| 4 | 88.7 | 85.3 | 81.7 | 87.3 | 85.75 |
| 5 | 88.0 | 80.0 | 86.3 | 79.3 | 83.4 |
The control efficiency of 6.4 pairs of soil insects
As can be seen from Table 4, suspension seed-coating agent of the present invention is in 1:50,1:60 situation at pesticide-seeds ratio, and the average preventive effect of soil insect is respectively to 85.69%, 76.84%, and along with the increase of using dosage, preventive effect improves thereupon.
The each control efficiency of descending over the ground insect of processing of table 4
the field control effectiveness test of 60% tmtd 2-cyano-3-amino-3-phenylancryic acetate suspension seed-coating agent
1, test is processed
5 processing are established in 1.1 tests altogether
The test of table 4 reagent agent is processed
| Process numbering | Medicament | Dispenser dosage (amount of formulation pesticide-seeds ratio) |
| 1 | Suspension seed-coating agent of the present invention (tmtd 40: 2-cyano-3-amino-3-phenylancryic acetate 20) | 1:50 |
| 2 | Suspension seed-coating agent of the present invention (tmtd 40: 2-cyano-3-amino-3-phenylancryic acetate 20) | 1:60 |
| 3 | 80% thiram wettable powder | 1:60 |
| 4 | 10% 2-cyano-3-amino-3-phenylancryic acetate suspending agent | 1:45 |
| 5 | Blank | / |
2, the control efficiency (table 6) to maize head smut
As can be seen from Table 5, suspension seed-coating agent of the present invention is in 1:50,1:60 situation at pesticide-seeds ratio, is respectively 90.53%, 87.65% for maize head smut preventive effect, and along with the increase of using dosage, preventive effect improves thereupon.
Table 6 is respectively processed the control efficiency to maize head smut
6.6 impacts on corn yield
As can be seen from Table 6, suspension seed-coating agent of the present invention is in the dressing situation of 1:50,1:60 at pesticide-seeds ratio, respectively than blank volume increase 10.2% and 7.6%.
experiment conclusion
Above experimental data can find out, aspect the test of pesticide effectiveness, seed coat agent of the present invention adopts pesticide-seeds ratio 1:50-60, has the control efficiency to soil insect and maize head smut when use simultaneously, and respond well.Meanwhile, aspect determination of yield, suspension seed-coating agent of the present invention sprouts, grows all without negative effect to seedling, and rate of growth can reach more than 10%, and effect of increasing production is outstanding, and the economic benefit obtaining is larger, has sizable dissemination.
Claims (4)
1. a suspension seed-coating agent, active ingredient is 2-cyano-3-amino-3-phenylancryic acetate and tmtd.
2. suspension seed-coating agent according to claim 1, is characterized in that: the content of 2-cyano-3-amino-3-phenylancryic acetate in preparation is 1-80%, preferably than being 5-40%.
3. suspension seed-coating agent according to claim 1, is characterized in that: the content of tmtd in preparation is 1-80%, preferably than being 10-80%.
4. suspension seed-coating agent according to claim 1, is characterized in that: active ingredient tmtd and the 2-cyano-3-amino-3-phenylancryic acetate total content in preparation is 1-80%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210515602.1A CN103843801A (en) | 2012-12-05 | 2012-12-05 | Suspended seed coating containing ethyl 2-cyano-3-amino-3-phenylacrylate and thiram |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210515602.1A CN103843801A (en) | 2012-12-05 | 2012-12-05 | Suspended seed coating containing ethyl 2-cyano-3-amino-3-phenylacrylate and thiram |
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| Publication Number | Publication Date |
|---|---|
| CN103843801A true CN103843801A (en) | 2014-06-11 |
Family
ID=50852259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210515602.1A Pending CN103843801A (en) | 2012-12-05 | 2012-12-05 | Suspended seed coating containing ethyl 2-cyano-3-amino-3-phenylacrylate and thiram |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105766897A (en) * | 2016-04-01 | 2016-07-20 | 广西南宁益土生物科技有限责任公司 | Suspended seed coating for early sprouting of seeds |
| CN107125252A (en) * | 2017-07-03 | 2017-09-05 | 南京农业大学 | A kind of bactericidal composition containing 2-cyano-3-amino-3-phenylancryic acetate and captan |
-
2012
- 2012-12-05 CN CN201210515602.1A patent/CN103843801A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105766897A (en) * | 2016-04-01 | 2016-07-20 | 广西南宁益土生物科技有限责任公司 | Suspended seed coating for early sprouting of seeds |
| CN107125252A (en) * | 2017-07-03 | 2017-09-05 | 南京农业大学 | A kind of bactericidal composition containing 2-cyano-3-amino-3-phenylancryic acetate and captan |
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Application publication date: 20140611 |