CN103548833B - Acaricidal composition containing pyriminostrobin and propargite - Google Patents
Acaricidal composition containing pyriminostrobin and propargite Download PDFInfo
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- CN103548833B CN103548833B CN201310551470.2A CN201310551470A CN103548833B CN 103548833 B CN103548833 B CN 103548833B CN 201310551470 A CN201310551470 A CN 201310551470A CN 103548833 B CN103548833 B CN 103548833B
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Abstract
The invention discloses an acaricidal composition containing pyriminostrobin and propargite. Effective active ingredients of the acaricidal composition consist of pyriminostrobin and propargite, and the weight ratio of pyriminostrobin to propargite is (1: 10) to (5: 1). The composition disclosed by the invention can be prepared into agriculturally-acceptable preparation forms, such as emulsifiable concentrate and microemulsion. According to the acaricidal composition, the ingredients are reasonable, the acaricidal effect is good, and the activity and acaricidal effect of the acaricidal composition are not achieved through the simple superposition of the activity of each component; compared with the existing single preparations, besides having a remarkable acaricidal effect, the acaricidal composition has a remarkable synergism has good safety to crops and meets the requirements of pesticide preparations for safety; the acaricidal composition has remarkable prevention and treatment effects on Panonychus citri McGregor, Panonychus ulmi and Tetranychus cinnabarinnum Boisduval.
Description
Technical field
The present invention relates to a kind of miticide composition containing phonetic mite amine and propargite, its active component is phonetic mite amine and propargite, belongs to technical field of compounded pesticide.
Background technology
Harmful mite in agricultural production is also two spotted spider mite, yellow spider etc., belongs to arachnids Acarina.The crop such as main harm oranges and tangerines, apple, cotton, vegetables, wheat, evil mite be gathered in vacuum side of blade more, with adult, nymph with mouthpart thrust in leaf suck juice harm.When evil mite occurs, preventing and treating with miticide is the most effective means, Avermectin, pyridaben, propargite, fenbutatin oxide etc. are mainly contained at present at the medicament of Ministry of Agriculture's registration control Agricultural Mites, evil mite produces resistance to it, in the urgent need to inventing a kind of agricultural chemicals effectively can preventing and treating harmful mite and safety nuisance free.
Phonetic mite amine, English common name: pyriminostrobin, its structural formula is as follows:
Phonetic mite amine is methoxy acrylic miticide, has bactericidal activity simultaneously, if all have greater activity to one-tenth mite mite, ovum, quick-acting is good, and lasting effect is general.As a kind of new miticide, in use there is resistance risk in phonetic mite amine, and rationally uses with from the miticide of the different mechanism of action, for fully effectively promoting phonetic mite amine, extending its service life and having important function.
Propargite is propargite again, chemical name: 2-(4-tert-butyl benzene oxy) cyclohexyl Propargyl sulfite, English name: propargite.Propargite is low toxicity broad spectrum activity organosulfur acaricide, has and tags and stomach poison function, if effective to one-tenth mite mite, the weak effect of ovicidal, can be used for the harmful mite preventing and treating the various crop such as cotton, vegetables, apple, citrus, flowers, safer to most natural enemy.Propargite applies more than 30 year in the world, there is resistance problem equally, and one of approach solving resistance problem is exactly rationally mixed with the miticide of the different mechanism of action.
Inventor finds phonetic mite amine and propargite mixture not to be used for the bibliographical information preventing and treating Agricultural Mites through retrieval, find phonetic mite amine and propargite mixture to use have good control efficiency to Agricultural Mites by lot of experiments, have significant synergies, have received beyond thought effect, can use cost be reduced, effectively solve the problem of control of pest mite difficulty.
Summary of the invention
The object of the present invention is to provide a kind of component reasonable, remarkable synergy, miticidal effect is good, the miticide composition of the phonetic mite amine that drug cost is low and propargite.
Another object of the present invention is to the application of the miticide composition that phonetic mite amine and propargite are provided.
In order to overcome the defect of existing unitary agent, technical scheme of the present invention solves like this:
Contain a miticide composition for phonetic mite amine and propargite, composition active component is phonetic mite amine and propargite, and the weight ratio of phonetic mite amine and propargite is 1:10 ~ 5:1, is preferably 1:5 ~ 3:1, is more preferably 1:3 ~ 2:1, most preferably is 1:3 ~ 1:1.
The content sum of above-mentioned phonetic mite amine and propargite is 10% ~ 77% of described composition total weight.
Above-mentioned composition formulation is missible oil or microemulsion, can be used for preventing and treating Agricultural Mites, and described Agricultural Mites is citrus red mite, European red mite or cotton red spider.
For missible oil, spendable auxiliary agent has: emulsifier is as calcium dodecyl benzene sulfonate (agriculture breast 500#), Nongru-700 #(common name: alkyl phenol formaldehyde resin polyoxyethylene ether), agriculture breast 2201#, Span-60#(common name: sorbitan monostearate), emulsifier T-60(common name: sorbitan monostearate APEO), TX-10(common name: octyl phenol polyoxyethylene (10) ether), agriculture breast 1601#(common name: phenethyl phenol polyoxyethylene poly-oxygen propylene aether), in agriculture breast 600#, agriculture breast 400# one or more; Solvent is as dimethylbenzene, solvent naphtha (S-150, S-180, S-200), toluene, biodiesel, methylated vegetable oil; Stabilizing agent is as the one in triphenyl phosphite, epoxychloropropane; Cosolvent: in ethyl acetate, methyl alcohol, dimethyl formamide, cyclohexanone, acetone, MEK one or more.
To microemulsion, spendable auxiliary agent has: emulsifier is as calcium dodecyl benzene sulfonate (agriculture breast 500#), Nongru-700 #(common name: alkyl phenol formaldehyde resin polyoxyethylene ether), agriculture breast 2201#, this dish-60#(common name: sorbitan monostearate), Tween-60 #(common name: sorbitan monostearate APEO), TX-10(common name: octyl phenol polyoxyethylene (10) ether), agriculture breast 1601(common name: phenethyl phenol polyoxyethylene poly-oxygen propylene aether), in agriculture breast 600#, agriculture breast 400# one or more; Assistant for emulsifying agent as in methyl alcohol, isopropyl alcohol, n-butanol, ethanol one or more; Stabilizing agent is as the one in triphenyl phosphite, epoxychloropropane; Solvent as cyclohexanone, 1-METHYLPYRROLIDONE, dimethylbenzene, toluene, solvent naphtha (trade mark: S-150, S-180, S-200) one or more; Water is deionized water.
Instant component is reasonable, and miticidal effect is good, and drug cost is low, and its activity and insecticidal effect are not the simple superposition of each composition activity, but has significant synergistic effect, good to crop safety, meets the security requirement of pesticidal preparations.The present invention has good control efficiency to all kinds of harmful mite in agricultural production.
Embodiment
In order to prevent and treat the harmful mite in agricultural production, inventor has carried out mutual composite synergy with phonetic mite amine and propargite and has studied.Concrete grammar is:
Subjects be citrus red mite (
panonychus citfimcGregor), European red mite (
panonychus ulmi), cotton red spider (Tetranychus cinnabarinnum Boisduval).Former medicine is mixed with the test medicine of needs, test method is with reference to " People's Republic of China (PRC) agricultural industry criteria NY/T1154.13-2008 ".First single dose and each Mixed Pharmacy are arranged 5 variable concentrations gradients (on the basis of preliminary experiment result, two spotted spider mite lethality sets by geometric progression in the scope of 5% ~ 90%).Examination worm is the two spotted spider mite of picking up from field, select the one-tenth mite of uniformity in the length of time in laboratory, put into blade-carrying culture dish, every ware 40 cephalont, often process 4 culture dishes, repeat 3 times, spray under 50PSI pressure with potter spray tower, each spray ware, every ware spraying liquid 3ml, then the culture dish processed is put into 12H/12H illumination box to cultivate, within 48 hours, check dead borer population, calculate lethality.Blank spray equivalent clear water
.calculate lethality.By the linear regression analysis between the probit value of lethality and the logarithm value of series concentration, obtain the LC of each medicament
50value, calculates the co-toxicity coefficient (CTC) of mixture by the abundant method of Sun Yun, evaluate the activity of reagent agent to examination worm with this.
The co-toxicity coefficient (CTC) >=120 of complex preparation shows as synergistic effect; CTC≤80 show as antagonism; 80 < CTC < 120 show as summation action.
Toxicity Determination result shows: phonetic mite amine and propargite are that 1:10 ~ 5:1 is mixed with weight ratio all has good virulence to citrus red mite, European red mite and cotton red spider, has significant synergistic effect.
Embodiment
Below in conjunction with embodiment, the invention will be further described.
Example of formulations 1
Take 7% phonetic mite amine, 70% propargite, 4% agriculture breast 500#, 2% agriculture breast 600#, 3% agriculture breast 2201#, 2% epoxychloropropane, dimethylbenzene adds to 100% weight portion.Above-mentioned raw materials is through mixing, and stirring and dissolving is obtained 77% phonetic mite amine propargite missible oil completely afterwards.
Example of formulations 2
Take 10% phonetic mite amine, 30% propargite, 5% agriculture breast 500#, 3% TX-10,4% agriculture breast 1601#, 5% cyclohexanone, 5% epoxychloropropane, solvent naphtha S-150 add to 100% weight portion.Above-mentioned raw materials is through mixing, and stirring and dissolving is obtained 40% phonetic mite amine propargite missible oil completely afterwards.
Example of formulations 3
Take 5% phonetic mite amine, 5% propargite, 4%TX-10,5% Nongru-700 #, 6% agriculture breast 500#, 4% agriculture breast 1601#, 5% cyclohexanone, 5%N-methyl pyrrolidone, 5% n-butanol, 3% epoxychloropropane, through dissolving completely and mixing, deionized water adds to 100% weight portion, obtained 10% phonetic mite amine propargite microemulsion after stirring.
Example of formulations 4
Take 15% phonetic mite amine, 3% propargite, 5% Nongru-700 #, 3% agriculture breast 500#, 6% agriculture breast 600#, 5% dimethylbenzene, 20% cyclohexanone, 5% ethanol, 2% epoxychloropropane, through dissolving completely and mixing, deionized water adds to 100% weight portion, obtained 18% phonetic mite amine propargite microemulsion after stirring.
Biological Examples: control citrus red mite field trial
Inventor has carried out example of formulations 2(40% phonetic mite amine propargite missible oil in April, 2013 in Deqing County, Zhaoqing City of Guangdong Province) prevent and treat the field control effectiveness test of citrus red mite, demonstrate this medicament to the control efficiency of citrus red mite, effective dose and the safety to oranges and tangerines.Test medicine and extension rate refer to table 4, separately establish clear water blank.Often process and repeat for 4 times, every plot area 5 tree, Gong24Ge community, random district group arranges.Manual sprayer is adopted evenly to spray.Borer population investigation is respectively once remained respectively at before medicine, after medicine 1 day, 7 days, 14 days.2 trees are looked in every community, and every tree looks into 5 leaves respectively by orientation, 4, the four corners of the world, and every community looks into 40 leaves altogether, record mite number of living, carry out control efficiency statistics.Viewing test medicament produces with or without poisoning oranges and tangerines simultaneously.
Computational methods:
Control efficiency (%)=[1-(before the medicine of check plot after borer population × treatment region medicine borer population)/(before borer population after the medicine of check plot × treatment region medicine borer population)] × 100.
Result of the test shows, 40% phonetic mite amine propargite missible oil dilutes 2000 times, 2500 times, 3000 times, good control efficiency is had to citrus red mite, after medicine, the preventive effect of 1,7,14 day is all more than 89.7%, show excellent quick-acting and lasting effect, be obviously better than the control efficiency (table 4) of 10% phonetic mite amine missible oil 1000 times, 40% propargite missible oil 1000 times.Advise that 40% phonetic mite amine propargite EC citrus red mite dilution 2000-3000 times is advisable.
Security survey, duration of test is observed, and 40% propargite missible oil 1000 doubly produces slight poisoning in 3 days after medicine to the tender tip of oranges and tangerines, within after medicine 10 days, recovers normal.Other reagent agent, to Citrus leaf, the tender tip, flower, growth of young safety, occurs without poisoning phenomenon.
Result of the test shows, after phonetic mite amine and propargite mixture, significantly improves the control efficiency to citrus red mite, and synergistic effect is obvious, shows excellent quick-acting and lasting period, reduces dosage, saved drug cost, improve safety.
In sum, composition of the present invention is employing two kinds of active component compound schemes, its activity and insecticidal effect are not the simple superposition of each composition activity, compared with existing unitary agent, except there is significant insecticidal effect, and have significant synergistic effect, and good to crop safety, meet the security requirement of pesticidal preparations.
Claims (8)
1. contain a miticide composition for phonetic mite amine and propargite, it is characterized in that: composition active component is phonetic mite amine and propargite, and the weight ratio of phonetic mite amine and propargite is 1:10 ~ 5:1.
2. contain the miticide composition of phonetic mite amine and propargite according to claim 1, it is characterized in that, the weight ratio of phonetic mite amine and propargite is 1:5 ~ 3:1.
3. contain the miticide composition of phonetic mite amine and propargite according to claim 2, it is characterized in that, the weight ratio of phonetic mite amine and propargite is 1:3 ~ 2:1.
4. contain the miticide composition of phonetic mite amine and propargite according to claim 3, it is characterized in that, the weight ratio of phonetic mite amine and propargite is 1:3 ~ 1:1.
5., according to one of any described miticide composition containing phonetic mite amine and propargite of Claims 1-4, it is characterized in that, the content sum of phonetic mite amine and propargite is 10% ~ 77% of described composition total weight.
6. contain the miticide composition of phonetic mite amine and propargite according to claim 5, it is characterized in that described combination dosage form is missible oil or microemulsion.
7. preventing and treating the application in Agricultural Mites containing the miticide composition of phonetic mite amine and propargite according to claim 5.
8. apply according to claim 7, Agricultural Mites is citrus red mite, European red mite or cotton red spider.
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| WO2019197886A1 (en) * | 2018-04-13 | 2019-10-17 | Indofil Industries Limited | A stable acaricidal composition |
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Address after: 710065 Shaanxi city of Xi'an province high tech Zone Feng Hui Road No. 36 block B block 18F oak Patentee after: Agricultural core crop Technology Co., Ltd. Address before: 710075 Shaanxi city of Xi'an province high tech Zone Feng Hui Road No. 36 block B block 18F oak Patentee before: Shaanxi Norsyn Crop Technology Co., Ltd. |