CN103947646A - Insecticidal composition - Google Patents
Insecticidal composition Download PDFInfo
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- CN103947646A CN103947646A CN201410216969.2A CN201410216969A CN103947646A CN 103947646 A CN103947646 A CN 103947646A CN 201410216969 A CN201410216969 A CN 201410216969A CN 103947646 A CN103947646 A CN 103947646A
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- chlorfenapyr
- insect amide
- chlorine fluorine
- cyanogen insect
- fluorine cyanogen
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Abstract
The invention relates to an insecticidal composition which comprises two active components including cyhalodiamide and chlorfenapyr. The insecticidal composition has obvious synergism for controlling rice-stem borer, and not only is capable of improving the controlling effect, but also is capable of reducing the dosage, and delaying the drug resistance, wherein the lasting period is prolonged.
Description
Technical field
The invention belongs to pesticide field, relate in particular to the Pesticidal combination of chlorfenapyr and chlorine fluorine cyanogen insect amide.
Background technology
Chlorfenapyr (Chlorfenapyr) is the aryl pyrrolines insecticidal/acaricidal agent that American Cyanamid Company developed in the later stage eighties 20th century, and its chemical name is the bromo-2-of 4-(rubigan)-1-ethoxyl methyl-5-(trifluoromethyl) pyrroles-3-nitrile.Universal Chinese character name chlorfenapyr.Chlorfenapyr is the novel insecticide of a class with its particular mechanism of successfully being developed by the chemical constitution of natural antibiotics is transformed, high-efficiency broad spectrum, all there is excellent activity to chewing with sucking pest and evil mite, can be used for preventing and treating the pest such as diamond-back moth, prodenia litura, cabbage caterpillar, vegetable aphid, especially insect and the evil mite of resistance carbamates, organic phosphates and pyrethroid pesticide have been produced, as diamond-back moth, prodenia litura etc. have special efficacy.
Chlorine fluorine cyanogen insect amide (ZJ4042) is the phthalic diamides insecticide by Zhejiang Research Institute of Chemical Industry, Ltd.'s independent development, is that a class of discovered in recent years is efficient, the novel pesticide of low toxicity and mechanism of action uniqueness.The ryanodine receptor that it acts on insect, is that the endogenous calcium ion of insect cell discharges, and affects contraction of muscle, and this insecticides has become the study hotspot of novel pesticide initiative.The Changjiang river insects such as diamond-back moth, beet armyworm, striped rice borer are had to reasonable effect.
Rice-stem borer (Chilo suppressalis) popular name borer, borer, moth stalk worms etc., are the formidable opponents of paddy rice.Larva moth food stem stalk, causes the withered heart, and striped rice borer has the strain of turning harm habit, and a Chilo spp larvae can endanger many strains paddy rice, causes dead leaf sheath, the withered heart.If control not in time, field often there will be a lot of withered heart seedlings, and part field is not is not prevented and treated striped rice borer because of nursery period, and field withered heart seedling ratio is up to 30% now, and part location, field withered heart seedling ratio exceedes 50%, causes very large loss.
Chlorfenapyr and chlorine fluorine cyanogen insect amide are two kinds of compositions that insecticidal activity is very high, can overcome the pesticide resistance that uses over a long time the insecticide of single type to cause by both are composite.Both are composite can reduce spraying times, reduces peasant's labour cost.After composite, there is good synergistic effect, improve actual preventive effect, expand insecticidal spectrum, reduce drug cost.
Summary of the invention
The object of this invention is to provide that a kind of insecticidal activity is efficient, lasting effect is long, the Pesticidal combination of the high and low poison of quick-acting, environmental protection.Be specifically related to the agricultural chemicals that chlorfenapyr and chlorine fluorine cyanogen insect amide are active ingredient.
In above-mentioned Pesticidal combination, the weight ratio of chlorfenapyr and chlorine fluorine cyanogen insect amide is 1:50～50:1.
Utilize above-mentioned Pesticidal combination, be equipped with the known auxiliary agent of those skilled in that art, can make formulation of the present invention with the known method of those skilled in that art.Its formulation that can process is suspending agent, water dispersible granules and aqueous emulsion.
The advantage that the present invention has and beneficial effect: 1, low toxic and environment-friendly, noresidue; 2, quick-acting is good, and the lasting period is long; 3, use compound formulation, there is synergistic effect; 4, formulation advanced person, few with or without organic solvent; 5, good drug efficacy.
First applicant has carried out to chlorfenapyr and chlorine fluorine cyanogen insect amide the research that formula screens, and for the effect feature of two kinds of compositions, the object of indoor biometrics is decided to be to striped rice borer, and concrete test situation and result are as follows:
The method of indoor biometrics is: the former medicine of chlorfenapyr of employing 95% and 90% the former medicine of chlorine fluorine cyanogen insect amide, according to the matched proportion density of setting, be mixed with the liquid of desired concn, and for subsequent use.With reference to pesticide indoor bioassay test rule (agricultural industry criteria NY/T1154.14-2008), test adopts immersion method.The processing of striped rice borer: appropriate rice leaf is soaked to into the liquid 15s, take out in ventilation and naturally dry, be positioned in the culture dish of diameter 9cm, connect 15/ware of striped rice borer 3 instar larvaes, upper lid layer filter paper, adds a cover mark.If clear water control treatment, each processing repeats for 4 times.Be positioned over 27 DEG C, 14h illumination cultivation is indoor, check result after 3d.Touch gently polypide with writing brush, be reactionlessly considered as dead worm.SPSS software statistics processing for data.Obtain toxicity regression formula, the lethal concentration of 50, correlation coefficient etc., and obtain co-toxicity coefficient by the abundant method of Sun Yun.
The co-toxicity of mixture preparation adopts the abundant co-toxicity coefficient method representation of Sun Yun:
The theoretical toxicity index TTI=∑ (the toxicity index ATI × percentage of this pharmaceutically active ingredient in mixture of certain medicine) of mixture preparation.
It is synergistic effect that CTC is greater than at 120 o'clock, and being less than at 80 o'clock is antagonism, and 80～120 o'clock is addition.
The toxicity test result of the different proportionings of table 1 to striped rice borer
Analyze above-mentioned data and show, when chlorfenapyr and chlorine fluorine cyanogen insect amide different proportion are composite, the co-toxicity coefficient of all compounded formulas is all greater than 120, has obvious synergistic effect.Illustrate after composite two kinds of active ingredients, can have good synergistic effect.
Following instantiation is in order to further describe the present invention, but the present invention absolutely not only only limits to following these embodiment.In formula, percentage is all weight percentage, and the former medicine using and auxiliary agent are all bought from other producers.
Formulation examples is as follows:
One: 35.7% chlorfenapyr chlorine fluorine cyanogen insect amide water dispersible granules of example
Two: 31% chlorfenapyr chlorine fluorine cyanogen insect amide water dispersible granules of example
Three: 22% chlorfenapyr chlorine fluorine cyanogen insect amide suspending agents of example
Four: 30% chlorfenapyr chlorine fluorine cyanogen insect amide suspending agents of example
Five: 12% chlorfenapyr chlorine fluorine cyanogen insect amide suspending agents of example
Six: 16% chlorfenapyr chlorine fluorine cyanogen insect amide water dispersible granules of example
Seven: 24% chlorfenapyr chlorine fluorine cyanogen insect amide water dispersible granules of example
Eight: 33% chlorfenapyr chlorine fluorine cyanogen insect amide suspending agents of example
Nine: 21% chlorfenapyr chlorine fluorine cyanogen insect amide aqueous emulsions of example
Ten: 25.5% chlorfenapyr chlorine fluorine cyanogen insect amide water dispersible granules of example
According to above-mentioned ten examples, carry out the test of the field control striped rice borer of 12% chlorfenapyr chlorine fluorine cyanogen insect amide suspending agent and other compounded formulas, simultaneously by with the Contrast on effect of 10% chlorfenapyr suspending agent, 10% chlorine fluorine cyanogen insect amide suspending agent single dose, verify the synergistic effect after composite.Test site is Nanchang district, Jiangxi Province, and the time is on June 10th, 2013, test totally four processing, three repetitions of each processing, community randomized arrangement, community area 80m
2, the planting habit of all communities is all identical with local planting habit, records the dispenser same day and the synoptic data of a week thereafter, specific as follows:
Table 2 duration of test meteorological data
Investigation standard is: after medicine, 7dGe community is got killed strain 50 strains at random, and the life or death number of Chilo spp larvae is looked in stripping, calculates lethality; After medicine, 15d, 25dMei community adopt 150 clumps of parallel sampling method samplings, investigate withered calculation, finally calculate withered heart rate and seedling protecting effect.Concrete data (data are the mean value of three repetitions) are as follows:
Corrected mortality=treatment agent lethality-blank lethality
Table 312% chlorfenapyr chlorine fluorine cyanogen insect amide suspending agent and the field control effectiveness test of other compound drugs to striped rice borer
As can be seen from the above data, different formulations carries out in composite process, using under identical effective dose, after chlorfenapyr and chlorine fluorine cyanogen insect amide are composite, the preventive effect of preparation will be apparently higher than two kinds of single doses, the seedling protecting effect of 15d after medicine of complex preparation has all exceeded 74%, and the seedling protecting effect of two single doses is respectively 50.13% and 48.28%, after visible two kinds of compositions are composite, has good synergistic effect.Meanwhile, complex preparation 25d preventive effect after medicine is greater than 15d after medicine, and complex preparation can well improve drug effect, extends the lasting period, alleviates peasant's the amount of labour, has very high practicality.
Claims (3)
1. a Pesticidal combination, is characterized in that: active component is made up of chlorfenapyr and chlorine fluorine cyanogen insect amide, and the weight ratio of described chlorfenapyr and chlorine fluorine cyanogen insect amide is 1:50～50:1.
2. composition according to claim 1, is characterized in that: make suspending agent, water dispersible granules, aqueous emulsion by active ingredient and auxiliary material.
3. according to claim 1 or composition claimed in claim 2, it is characterized in that: for preventing and treating rice-stem borer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410216969.2A CN103947646A (en) | 2014-05-21 | 2014-05-21 | Insecticidal composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410216969.2A CN103947646A (en) | 2014-05-21 | 2014-05-21 | Insecticidal composition |
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| CN103947646A true CN103947646A (en) | 2014-07-30 |
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| CN201410216969.2A Pending CN103947646A (en) | 2014-05-21 | 2014-05-21 | Insecticidal composition |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104186471A (en) * | 2014-08-04 | 2014-12-10 | 广东中迅农科股份有限公司 | Pesticide composition containing cyhalodiamide and methoxyfenozide |
| CN104488880A (en) * | 2015-01-15 | 2015-04-08 | 北京燕化永乐生物科技股份有限公司 | Pesticide composition |
| CN106857524A (en) * | 2015-12-11 | 2017-06-20 | 黄少安 | A kind of insecticide |
| CN106857631A (en) * | 2015-12-11 | 2017-06-20 | 黄少安 | A kind of insecticide |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101935291A (en) * | 2010-09-13 | 2011-01-05 | 中化蓝天集团有限公司 | Cyano phthalic diamide compounds, preparation method thereof and use thereof as agricultural chemical pesticide |
| JP2011157294A (en) * | 2010-01-29 | 2011-08-18 | Mitsui Chemicals Agro Inc | Pest-controlling composition |
| CN102613183A (en) * | 2012-03-07 | 2012-08-01 | 中化蓝天集团有限公司 | Insecticide |
| CN103250701A (en) * | 2013-05-02 | 2013-08-21 | 中化蓝天集团有限公司 | Agricultural insecticidal composition containing chlorfenapyr and ZJ4042 |
-
2014
- 2014-05-21 CN CN201410216969.2A patent/CN103947646A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011157294A (en) * | 2010-01-29 | 2011-08-18 | Mitsui Chemicals Agro Inc | Pest-controlling composition |
| CN101935291A (en) * | 2010-09-13 | 2011-01-05 | 中化蓝天集团有限公司 | Cyano phthalic diamide compounds, preparation method thereof and use thereof as agricultural chemical pesticide |
| CN102613183A (en) * | 2012-03-07 | 2012-08-01 | 中化蓝天集团有限公司 | Insecticide |
| CN103250701A (en) * | 2013-05-02 | 2013-08-21 | 中化蓝天集团有限公司 | Agricultural insecticidal composition containing chlorfenapyr and ZJ4042 |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104186471A (en) * | 2014-08-04 | 2014-12-10 | 广东中迅农科股份有限公司 | Pesticide composition containing cyhalodiamide and methoxyfenozide |
| CN104186471B (en) * | 2014-08-04 | 2017-11-28 | 广东中迅农科股份有限公司 | A kind of composition pesticide containing chlorine fluorine cyanogen insect amide and methoxyfenozide |
| CN104488880A (en) * | 2015-01-15 | 2015-04-08 | 北京燕化永乐生物科技股份有限公司 | Pesticide composition |
| CN106857524A (en) * | 2015-12-11 | 2017-06-20 | 黄少安 | A kind of insecticide |
| CN106857631A (en) * | 2015-12-11 | 2017-06-20 | 黄少安 | A kind of insecticide |
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Application publication date: 20140730 |