CN104488913A - Buprofezin-containing insecticidal composition - Google Patents
Buprofezin-containing insecticidal composition Download PDFInfo
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Abstract
The invention provides a buprofezin-containing insecticidal composition. The active components of the buprofezin-containing insecticidal composition consist of flubendiamide, monosultap and buprofezin in a weight ratio of (1-12) to (15-75) to (1-15). The composition has an obvious synergic effect and a persistent effect which are greater than a single using effect. According to a cotoxicity coefficient formula of Sunyunpei, the cotoxicity coefficient of the insecticidal composition containing the components ranges from 186.01 to 289.96 and is obviously greater than 120, so that the insecticidal composition has the obvious synergic effect and the persistent preventing and treating effect, the insecticidal spectrum is expanded, and the insecticidal composition has relatively high activity on injurious insects such as rice-stem borer, rice planthopper, and plutella xylostella. According to the insecticidal composition provided by the invention, the applying quantity of active substances is greatly reduced, and monosultap accounting for 15-75% of the total weight is added, so that the product cost is greatly lowered.
Description
Technical field
The invention belongs to technical field of pesticide, particularly relate to a kind of containing Buprofezin Pesticidal combination.
Background technology
China is large agricultural country, needs the arable area with only accounting for the whole world 7% to plant out the crop products of supporting and accounting for the world 21% population, so crop products must just can be satisfied the demand by high yield.But crops often suffer the harm of disease pest and weed, make its underproduction reduction of income, wherein insect pest is larger on crops impact.So pesticide serves as important role in guarantee higher yield of crops height is received.
The selection of pesticide species will be selected pesticide species that is environmentally friendly, high-efficiency low-toxicity low-residual.Due to a certain insecticide of single use, insect easily develops immunity to drugs, and causes control efficiency not good, causes single drug amount sharply to increase, not only increases use cost, and contaminated environment.Control crops have been produced to the insect of resistance, current main method develops with it without the new varieties of pesticides of cross resistance, but the development cost of new varieties of pesticides is high, the cycle is long, and forever all produce the speed of resistance less than insect.So now people are seeking a kind ofly can reduce usage amount and improve the mixed insecticide of control efficiency.
Buprofezin (2-tertiary butyl imino group-3-isopropyl-5-phenyl-1,3,5-thiadiazine-4-ketone), it is insecticide coleoptera, part Homoptera and Acarina to lasting effect larvicidal activity.Effectively can prevent and treat Cicadellidae, the Delphacidae on paddy rice; Cicadellidae on potato; Aleyrodidae on citrus, cotton and vegetables; A red-spotted lizard section on citrus, armored scale material and Pseudococcidae.But Buprofezin can not use the dispenser of pesticide-clay mixture method, also should not on Chinese cabbage, brassicaceous vegetable Direct spraying, otherwise the poisoning such as foxiness, greenery albefaction will be there is: spray medicine must evenly, thoughtful, guarantee control efficiency.
Fipronil bisamide (English name: flubendiamide, molecular formula: C23H22F7IN2O4S), belongs to Novel ortho benzenedicarboxamide insecticides, activates calcium release channel in blue Buddhist nun's alkali recipient cell, causes the runaway release of storing calcium ion.It is the compounds acting on blue Buddhist nun's alkali (Ryanodine) acceptor of insect cell few in number at present, it has wide spectrum preventive effect to lepidoptera pest, and produce without cross resistance with existing insecticide, be suitable for very much the control of insect for producing resistance to existing insecticide; And resistance of rainwater washing against, very low to the hydrobiological toxicity such as honeybee, carp, to there being beneficial insect there is no activity under general consumption, namely almost non-toxic, be conducive to applying on the wet crops such as paddy rice and cereal crops.But because this medicine is imported medicine, use cost is higher, so complex preparation will be sought to reduce its use cost.
Cupric sulfate is the analog of the nereistoxin of Prof. Du Yucang, enters in insect bodies and is converted into rapidly nereistoxin or Dihydronereistoxin element.This medicine is acetylcholine competitive inhibitor, have stronger to tag, stomach toxicity and Uptake and translocation effect, have good control efficiency to the larva of lepidoptera pest.Belong to bionic type agricultural chemicals, little on natural enemy impact, non-resistant, without residual hazard, free from environmental pollution, be the comparatively ideal medicament of comprehensive regulation insect pest.This medicament can prevent and treat the various pests on the crops such as paddy rice, vegetables, wheat, corn, tealeaves, fruit tree effectively, particularly has special efficacy to rice leaf roller, striped rice borer, paddy stem borer etc.To fish low toxicity, but large to the toxicity of silkworm.In China, registration crop is paddy rice, for preventing and treating snout moth's larva.
Summary of the invention
Object of the present invention will solve above-mentioned deficiency exactly, provides a kind of good disinsection effect, non-resistant, cost low, and environment amenable insecticides.
In order to achieve the above object, the invention provides a kind of containing Buprofezin Pesticidal combination, the active ingredient of described Pesticidal combination is made up of fipronil bisamide, Cupric sulfate and Buprofezin, and the weight ratio of described fipronil bisamide, Cupric sulfate and Buprofezin is 1 ~ 12:15 ~ 75:1 ~ 15.
The preferred version of such scheme is, in described Pesticidal combination also containing account for Pesticidal combination gross weight 1 ~ 5% synergist.
More preferably scheme is, described synergist is organosilicon, cyclohexanedione or pyrrolidones.
The preferred version of such scheme is, the gross weight of described active ingredient accounts for 19 ~ 95% of Pesticidal combination weight.
The preferred version of such scheme is, contains agriculturally acceptable surfactant and carrier in described Pesticidal combination.
The preferred version of such scheme is, the formulation of described Pesticidal combination is microemulsion, missible oil, oil-suspending agent, water dispersible granules or wetting powder.
Pesticidal preparations needs to select suitable adjuvant and pesticide original medicine to be prepared into preparation through formula test just can be applied on Target crops for desinsection.
Wherein, described surfactant is alkylphenol polyoxyethylene, fatty alcohol-polyoxyethylene ether, phenethyl phenol polyethenoxy ether, phenethyl phenol polyethenoxy polyethenoxy ether, castor oil ethylene oxide adduct, alkylphenol polyoxyethylene formaldehyde condensation products, alkylphenol polyoxyethylene phosphate, phenethyl phenol polyethenoxy ether phosphate, Ben-zylphenol Polyoxyethyl Ether, polyoxyethylene carboxylate (sapn), calcium dodecyl benzene sulfonate, neopelex, lignosulfonates, NNO, NO, MF, ZS-1, lauryl sodium sulfate, pull open powder, N-Methyl fatty acyl taurines sodium, alkylphenol polyoxyethylene formaldehyde condensation products sulphate, the withered powder of tea, saponin, lignosulfite, aliphatic alcohol sulfate, penetrant t, bleeding agent OT, JFC, fatty acid amide-N-N-methyltaurine sodium salt, sodium sulfate of polyethenoxy ether of fatty alcohol.
Described filler and auxiliary agent can be any addible components, are mixed with each application target final products, as the preparation of suspending agent, wetting powder, water dispersible granules or other formulations with active constituent ether chrysanthemum ester and fipronil bisamide.
Certainly, the present invention can also include other functional aids such as antifreeze, thickener, stabilizing agent, defoamer, disintegrant.
Various surfactant, filler and auxiliary agent etc. all can commercially have been bought above.
Pesticidal combination of the present invention is mainly used in control to rice hoppers, paddy stem borer, striped rice borer, rice leaf roller, brassicaceous vegetable diamond-back moth, aphid and Sugarcane Pests, its preventive effect higher than the preventive effect of alone fipronil bisamide or Cupric sulfate or Buprofezin, and can reduce auxiliary dosage.In addition, synergist cyclohexanedione, pyrrolidones and organosilicon all obviously can improve wetting, the spread of fipronil bisamide, Cupric sulfate and Buprofezin, dispersion, delay and permeance property, reduce spray liquor (air-flow) drift with the wind, prevent or alleviate the infringement to contiguous sensitive crop etc., be beneficial to liquid blade face sprawl and stick, reduce ultraviolet to pesticidal preparations in the decomposition of active ingredient, reach and extend the drug effect term of validity, improve its biologically active; Suppress or weaken the anti-poisoning effect of the removing toxic substances of target weeds to pesticide activity, delaying the accretion rate of medicament in controlling object, thus increase biological preventive effect.So after this Pesticidal combination increases synergist, its insecticidal effect can be significantly improved.
Processing technology and the equipment of the various preparation of the present composition are known.Processing as suspending agent is by formula rate, and after enough pesticide activity components, surfactant, defoamer, thickener or filler and the mixing of part water, through high speed shear, wet method sand milling, obtains semi-finished product, adds water and mix filtration and get product after analysis; Capital equipment has batching kettle, colloid mill or homogeneous mixer, sand mill.
The processing of wetting powder pesticide activity component, auxiliary agent, filler is mixed in proportion to mix obtained wetting powder again after air-flow crushing; Capital equipment has mixer, airslide disintegrating mill.
The processing of water dispersible granules pesticide activity component, auxiliary agent, filler is mixed in proportion after air-flow crushing, to carry out granulation again through granulating agent obtain water dispersible granules; Capital equipment has mixer, airslide disintegrating mill, granulating agent etc.
The present composition can be used by commonsense method, doing cauline leaf process, also can directly spread fertilizer over the fields as added water spray.Amount of application of the present invention changes with weather condition and crop condition, can prevent and treat object by using suitable formulation to reach.
The invention has the beneficial effects as follows:
1, because fipronil bisamide and Cupric sulfate, Buprofezin are completely different to the mechanism of action of target pest, make insecticides by composite for three, there is notable synergistic effect and lasting effect, all higher than single result of use; In addition, because Cupric sulfate output is large, cost is lower, so can production cost be reduced.
2, calculate according to the co-toxicity coefficient formula of Sun Yunpei, the co-toxicity coefficient of Pesticidal combination of the present invention is 186.01-289.96, is all greater than 120, has obvious synergistic effect; And due to the Cupric sulfate of the 15-75% that adds gross weight, thus reduce the cost of product significantly.
3, Pesticidal combination of the present invention has stomach toxicity, tags and Uptake and translocation effect, and power of knocking down is fast, and the lasting period is long, can the insect such as water prevention chilo suppressalis, rice fulgorid, diamond-back moth effectively.
4, the present invention is through scientific matching, and consumption is less than each single dose dosage, greatly can alleviate and affect various natural enemy, continuity pest resistance, environmentally friendly.
Embodiment
The following specific embodiment of the present invention is described in detail, but the present invention is only limitted to absolutely not these examples, and in all formulas, percentage is all weight percentage.
One, pharmaceutical formulation example
Embodiment 1:23.5% microemulsion
Fipronil bisamide 1%, Cupric sulfate 20%, Buprofezin 2.5%, alkylphenol polyoxyethylene 12%, fatty alcohol polyoxyethyl ether 10%, water polishing are to 100%.
Embodiment 2:27.2% microemulsion
Fipronil bisamide 1.6%, Cupric sulfate 22%, Buprofezin 3.6%, organosilicon 1%, fatty alcohol-polyoxyethylene ether 15%, NONYL PHENOL POLYOXYETHYLENE 15%, water polishing are to 100%.
Embodiment 3:34.8% microemulsion
Fipronil bisamide 4.8%, Cupric sulfate 25%, Buprofezin 5%, 1% organosilicon, Tween 80 8%, Ben-zylphenol Polyoxyethyl Ether 12%, water polishing are to 100%.
Embodiment 4:19.5% emulsifiable concentrate
Fipronil bisamide 2.5%, Cupric sulfate 16%, Buprofezin 1%, octyl phenol polyoxyethyl ether 12%, methyl alcohol, dimethylbenzene polishing be to 100%.
Embodiment 5:28.6% emulsifiable concentrate
Fipronil bisamide 3.6%, Cupric sulfate 23%, Buprofezin 2%, sorbester p18 10%, mixed benzene polishing are to 100.Embodiment 6:38% oil-suspending agent
Fipronil bisamide 4%, Cupric sulfate 30%, Buprofezin 4%, polyoxyethylene nonylphenol ether 1.5%, lauryl sodium sulfate 2.5%, soybean oil polishing are to 100%.
Embodiment 7:38.5% oil-suspending agent
Fipronil bisamide 1.5%, Cupric sulfate 32%, Buprofezin 5%, polysorbas20 2%, alkylbenzenesulfonate 2%, methyl oleate polishing are to 100%.
Embodiment 8:93.4% water dispersible granules
Fipronil bisamide 10%, Cupric sulfate 75%, Buprofezin 8.4%, pyrrolidones 2.5%, NP-93%, dodecyl sodium sulfate 1%, sodium sulphate polishing are to 100%.
Embodiment 9:82.7% water dispersion granule
Fipronil bisamide 7.2%, Cupric sulfate 68%, Buprofezin 7.5%, cyclohexanedione 1%, polysorbate60 1%, fatty alcohol polyoxyethyl ether sodium sulphate 2%, attapulgite polishing are to 100%.
Embodiment 10:71.5% water dispersion granule
Fipronil bisamide 5.5%, Cupric sulfate 60%, Buprofezin 6%, organosilicon 3.5%, sodium lignin sulfonate 2.5%, pull open powder 1.5%, diatomite polishing to 100%.
Embodiment 11:78.5% wetting powder
Fipronil bisamide 12%, Cupric sulfate 62%, Buprofezin 4.5%, pyrrolidones 4%, di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate 2%, dodecyl sulphate calcium 2.5%, fine particle calcium carbonate polishing are to 100%.
Embodiment 12:93% wetting powder
Fipronil bisamide 6%, Cupric sulfate 72%, Buprofezin 15%, organosilicon 5%, NP 103%, castor oil polyoxyethylene ether 0.5%, kaolin polishing are to 100%.
Two, co-toxicity coefficient experiment
In order to verify the effect of Pesticidal combination of the present invention to water prevention chilo suppressalis, inventor has carried out mutual composite synergy research with effective active composition fipronil bisamide, Cupric sulfate, Buprofezin.Experiment adopts rice-stem borer to be tested object, and concrete grammar is:
1, test method
1) test medicine: fipronil bisamide (95% former medicine) is produced by Nihon Nihyaku Co., Ltd; Cupric sulfate (95% former medicine) Hefei Fine Chemical Works is produced; Buprofezin (98% former medicine) is by Jiangsu Pesticide Research Institute Co., Ltd, and synergist (organosilicon, cyclohexanedione, pyrrolidones) is produced by Shanghai Hui Jin Chemical trade Co., Ltd.
2) subjects: rice-stem borer ovum incubates the Sheng phase.
3) test method: with reference to " People's Republic of China's agricultural industry criteria NY/T1154.7-2006 ".Examination worm is pick up from field in the healthy growth of the indoor raising of temperature, uniformity, the diameter that the tender seedling of paddy rice and cabbage leaves (with cotton ball moisturizing process) are put in access is in the culture dish of 12 ㎝, each culture dish connects worm 30, with capillary dropper, liquid is dripped on the pronotary of examination worm, every 0.1 μ l.4-5 concentration gradient is established in general each process.Every concentration repeats 4 times, and the culture dish processed is put into 25 DEG C, cultivates, within 48 hours, check dead borer population in 12H/12H illumination box, calculates lethality, blank spray equivalent clear water.
4) analyze: carry out statistical analysis with DPS data processor software, calculate the LC of each medicament
50value, evaluates the activity of reagent agent to examination worm with this.
The co-toxicity coefficient (CTC value) of mixture is by following formulae discovery:
CTC＝(ATI/TTI)*100
Wherein: ATI=S/M
TTI＝TIA×PA+TIB×PB
In formula: CTC-co-toxicity coefficient; ATI-mixture actual measurement toxicity index; The theoretical toxicity index of TTI-mixture; S-standard pesticide agent LC
50, unit is milligrams per liter (mg/L); The LC of M-mixture
50, unit is milligrams per liter (mg/L); TIA-A medicament toxicity index; The percentage composition of PA-A medicament in mixture, unit is percentage (%); TIB-B medicament toxicity index; The percentage composition of PB-B medicament in mixture, unit is percentage (%).
When co-toxicity coefficient CTC >=120 of complex preparation show as synergistic effect; CTC≤80 show as antagonism, and 80 < CTC < 120 show as summation action.
2, to get in pharmaceutical formulation example 1 ~ 12 pair of rice-stem borer to incubate the Sheng phase and test, measure its toxicity index, then calculate the co-toxicity coefficient of its each proportioning by the co-toxicity coefficient formula of Sun Yunpei, the results are shown in Table 1.
Table 1: co-toxicity coefficient result
Above-mentioned Toxicity Determination result shows: Pesticidal combination of the present invention has good toxic effect to rice-stem borer, wherein, the co-toxicity coefficient of fipronil bisamide, Cupric sulfate, Buprofezin, between 186.01-289.96, is all greater than 120, all has remarkable synergistic effect.Can from table 1, the co-toxicity coefficient of Pesticidal combination presents difference with compound proportion difference, in 12 the different mixing match measured, with fipronil bisamide: Cupric sulfate: the weight ratio 10:75:8.4 effect of Buprofezin is the most obvious, co-toxicity coefficient reaches 289.96, and owing to increasing synergist in the composition, it also has obvious synergistic effect to the insecticidal effect of composition.
Three, field efficacy demonstration test
Embodiment 13:
Trial crops and object: rice-stem borer
Test medicine: embodiment 3 Chinese medicine, 34.8% microemulsion (4.8% fipronil bisamide 25% Cupric sulfate 5% Buprofezin 1% organosilicon) (our company's production);
Contrast medicament: 42% fipronil bisamide suspension agent (Nihon Nihyaku Co., Ltd's production);
95% Cupric sulfate wetting powder (Hefei Fine Chemical Works);
50% buprofezin suspension agent (Jiangsu Pesticide Research Institute Co., Ltd)
Spraying time and method: so test dispenser on June 22 in 2013, at that time paddy rice elongation-heading stage of an established trade mark, for first generation striped rice borer ovum incubates the Sheng phase, by every mu of dosage 50ml, then water preparating liquid 50KG is sprayed, do not rain in 24 hours after dispenser.
Investigation: parallel great-jump-forward sampling, each community investigates 50 clumps, and add up the withered heart (sheath) number and total strain number, control time carries out after the killed abundant performance of blank, namely after dispenser 15 days, the withered heart (sheath) rate and control efficiency (see table 2) is investigated.
Table 2: rice-stem borer efficiency test table
| Process | Investigation strain number | The withered heart (sheath) number | The withered heart (sheath) rate % | Preventive effect % |
| 34.8% microemulsion | 378.2 | 1.23 | 0.33 | 94.76 |
| 42% fipronil bisamide suspension agent | 376.9 | 7.26 | 1.93 | 68.99 |
| 50% buprofezin suspension agent | 380.1 | 21.43 | 5.64 | 9.23 |
| 95% Cupric sulfate wetting powder | 382.1 | 6.18 | 1.62 | 73.96 |
| CK clear water contrasts | 379.3 | 23.56 | 6.21 | / |
Drug effect computational methods:
Control efficiency=(the check plot withered heart (sheath) rate-treatment region withered heart (sheath) rate)/check plot withered heart (sheath) rate * 100%
Interpretation of result: the preventive effect of 34.8% microemulsion reaches 94.76%, and the preventive effect of 42% fipronil bisamide suspension agent and 95% Cupric sulfate wetting powder is respectively 68.99% and 73.96%, the preventive effect of 50% buprofezin suspension agent is only 9.23%.34.8% microemulsion of the present invention is described to the control efficiency of rice-stem borer apparently higher than fipronil bisamide, Cupric sulfate and Buprofezin single dose effect, therefore there is good popularizing application prospect.
Embodiment 14:
Trial crops and object: Yellow Rice Borer
Test medicine: composition in embodiment 5,28.6% emulsifiable concentrate (3.6% fipronil bisamide 23% Cupric sulfate 2% Buprofezin) (our company's production);
Contrast medicament: 42% fipronil bisamide suspension agent (Nihon Nihyaku Co., Ltd's production);
95% Cupric sulfate wetting powder (Hefei Fine Chemical Works);
50% buprofezin suspension agent (Jiangsu Pesticide Research Institute Co., Ltd)
Spraying time and method: so test dispenser on July 16 in 2013, paddy rice was in the heading cut phase at that time, by every mu of dosage 100ml, then sprayed to water preparating liquid 50KG, did not rain after dispenser in 24 hours.
Investigation: parallel great-jump-forward sampling, each community investigates 50 clumps, the dead ears strain number in adding up every square metre and worm head number of living, after dispenser 15 days investigation dead ears strain numbers with live worm head number add up control efficiency (see table 3).
Table 3: control paddy stem borer test card
Drug effect computational methods:
Control efficiency=(check plot dead ears rate-treatment region dead ears rate)/check plot dead ears rate * 100%
Live worm head number * 100% in decline rate=(check plot worm head alive number-treatment region worm head alive number)/check plot
Interpretation of result: the preventive effect of 28.6% emulsifiable concentrate reaches 94.32%, and Revision insect recluced rate reaches 94.58%; And the preventive effect of 42% fipronil bisamide suspension agent and 95% Cupric sulfate wetting powder is 66.95% and 75.42%, Revision insect recluced rate is 64.41% and 71.19%, and the preventive effect of 50% buprofezin suspension agent is only 24.58%, Revision insect recluced rate is 28.81%.28.6% emulsifiable concentrate of the present invention is described to the control efficiency of Yellow Rice Borer apparently higher than fipronil bisamide, Cupric sulfate and Buprofezin single dose effect, therefore there is good popularizing application prospect.
Embodiment 15:
Trial crops and object: paddy rice rice leaf roller
Test medicine: embodiment 7 Chinese medicine, 38.5% oil-suspending agent (1.5% fipronil bisamide 32% Cupric sulfate 5% Buprofezin) (our company's production);
Contrast medicament: 42% fipronil bisamide suspension agent (Nihon Nihyaku Co., Ltd's production);
95% Cupric sulfate wetting powder (Hefei Fine Chemical Works);
50% buprofezin suspension agent (Jiangsu Pesticide Research Institute Co., Ltd)
Spraying time and method: so test dispenser on June 13 in 2013, paddy rice just located tillering stage at that time, was third generation rice leaf roller 1 ~ 2 instar larvae peak period, by every mu of dosage 50ml, again water preparating liquid 50KG is sprayed, do not rain in 24 hours after dispenser.
Investigation: parallel great-jump-forward sampling, investigate whole blades of 50 clumps, each community, win all the old and new worm bags, record total strain number, wraparound number, then shell bag and record each instar larvae number, control time carries out after the killed abundant performance of blank, namely after dispenser 15 days, investigation decline rate and control efficiency (see table 4).
Table 4: paddy rice rice leaf roller efficiency test table
Drug effect computational methods:
Control efficiency=(check plot leaf roll rate-treatment region leaf roll rate)/check plot leaf roll rate * 100%
Live worm head number * 100% in decline rate=(check plot worm head alive number-treatment region worm head alive number)/check plot
Interpretation of result: the leaf roll preventive effect of 38.5% oil-suspending agent reaches 95.69%, Revision insect recluced rate reaches 94.83%.The preventive effect of 42% fipronil bisamide suspension agent and 50% buprofezin suspension agent is respectively 63.74%, 76.29%, and Revision insect recluced rate is 69.59%, 77.48%; The preventive effect of 95% Cupric sulfate wetting powder is only 34.65%, and Revision insect recluced rate is respectively 33.05%.38.5% oil-suspending agent of the present invention is described to the control efficiency of rice leaf roller apparently higher than fipronil bisamide, Cupric sulfate and Buprofezin single dose effect, therefore there is good popularizing application prospect.
Embodiment 16:
Trial crops and object: rape diamond-back moth
Test medicine: embodiment 8 Chinese medicine, 93.4% water dispersible granules (10% fipronil bisamide 75% Cupric sulfate 8.4% Diacloden 2.5% pyrrolidones) (our company's production);
Contrast medicament: 42% fipronil bisamide suspension agent (Nihon Nihyaku Co., Ltd's production);
95% Cupric sulfate wetting powder (Hefei Fine Chemical Works);
50% buprofezin suspension agent (Jiangsu Pesticide Research Institute Co., Ltd)
Spraying time and method: so test dispenser on October 17, at that time Brassica Napus Seedling 8-10 leaf in 2013, diamond-back moth 1 ~ 2 instar larvae peak period, by every mu of dosage 20 grams, then is mixed with liquid 50KG to water and sprays, do not rain after dispenser in 24 hours.
Investigation: parallel great-jump-forward sampling, investigate whole blades of 50 rapes in each community, win all by moth food blade, record each instar larvae number on total strain number, the insect pest number of blade and blade, control time carries out after the killed abundant performance of blank, namely after dispenser 15 days, investigation decline rate and control efficiency (see table 5).
Table 5: rape diamond-back moth efficiency test table
Drug effect computational methods:
Control efficiency=(check plot moth food rate-treatment region moth food rate)/check plot moth food rate * 100%
Live worm head number * 100% in decline rate=(check plot worm head alive number-treatment region worm head alive number)/check plot
Interpretation of result: guarantor's leaf preventive effect of 93.4% water dispersible granules reaches 94.64%, Revision insect recluced rate reaches 93.58%.And the preventive effect of 42% fipronil bisamide suspension agent and 95% Cupric sulfate wetting powder is respectively 61.90%, 67.68%, Revision insect recluced rate is then respectively 69.70%, 71.01%; The preventive effect of 50% buprofezin suspension agent is only 32.21%, and Revision insect recluced rate is respectively 37.35%.93.4% water dispersible granules is described to the control efficiency of diamond-back moth apparently higher than fipronil bisamide, Cupric sulfate and Buprofezin single dose effect, therefore there is good popularizing application prospect.
Embodiment 17:
Trial crops and object: rice hoppers
Test medicine: embodiment 12 Chinese medicine, 93% wetting powder (6% fipronil bisamide 72% Cupric sulfate 15% Buprofezin 5% organosilicon) (our company's production);
Contrast medicament: 42% fipronil bisamide suspension agent (Nihon Nihyaku Co., Ltd's production);
95% Cupric sulfate wetting powder (Hefei Fine Chemical Works);
50% buprofezin suspension agent (Jiangsu Pesticide Research Institute Co., Ltd)
Spraying time and method: so test dispenser on August 07 in 2013, paddy rice just located heading stage at that time, rice fulgorid nymph peak period, by every mu of dosage 10 grams, then sprayed to water preparating liquid 50KG, did not rain after dispenser in 24 hours.
Investigation: parallel great-jump-forward sampling, investigates 50 clumps, each community paddy rice, the black in adding up every square metre or brown spot rice strain number, and 15 days investigation black or brown spot rice strain number after dispenser also add up control efficiency (see table 6).Table 6: rice hoppers efficiency test table
Drug effect computational methods:
Control efficiency=(check plot pityriasis simplex rate-treatment region pityriasis simplex rate)/check plot pityriasis simplex rate * 100%
Interpretation of result: the preventive effect of 93% wetting powder reaches 95.59%, the preventive effect of 50% buprofezin suspension agent is 76.34%.And the preventive effect of 42% fipronil bisamide suspension agent and 95% Cupric sulfate wetting powder is only 32.11%, 29.46%.Illustrate that the control efficiency of 93% WP on Rice rice fulgorid is apparently higher than fipronil bisamide, Cupric sulfate and Buprofezin single dose effect, therefore has good popularizing application prospect.
From above-mentioned six field trial demonstration tests, the insect such as Lepidoptera, Homoptera of Pesticidal combination to paddy rice, vegetables, fruit tree, cotton, Miao Lin, flowers and other crops that fipronil bisamide Cupric sulfate buprofezin compound is made has effect of preventing and kill off significantly, preventive effect is obviously better than single dose, and effective ingredient consumption obviously reduces, to crop safety.
Above embodiment is not limited only to protection scope of the present invention, all modify based on basic thought of the present invention or change all belong in protection scope of the present invention.
Claims (6)
1., containing a Buprofezin Pesticidal combination, it is characterized in that: the active ingredient of described Pesticidal combination is made up of fipronil bisamide, Cupric sulfate and Buprofezin, the weight ratio of described fipronil bisamide, Cupric sulfate and Buprofezin is 1 ~ 12:15 ~ 75:1 ~ 15.
2. Pesticidal combination according to claim 1, is characterized in that: in described Pesticidal combination also containing account for Pesticidal combination gross weight 1 ~ 5% synergist.
3. Pesticidal combination according to claim 2, is characterized in that: described synergist is organosilicon, cyclohexanedione or pyrrolidones.
4. Pesticidal combination according to claim 1, is characterized in that: the gross weight of described active ingredient accounts for 19 ~ 95% of Pesticidal combination weight.
5. Pesticidal combination according to claim 1, is characterized in that: containing agriculturally acceptable surfactant and carrier in described Pesticidal combination.
6. Pesticidal combination according to claim 1, is characterized in that: the formulation of described Pesticidal combination is microemulsion, missible oil, oil-suspending agent, water dispersible granules or wetting powder.
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