CN101755817B - Insecticidal composition for controlling underground pest - Google Patents

Insecticidal composition for controlling underground pest Download PDF

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Publication number
CN101755817B
CN101755817B CN 200910209738 CN200910209738A CN101755817B CN 101755817 B CN101755817 B CN 101755817B CN 200910209738 CN200910209738 CN 200910209738 CN 200910209738 A CN200910209738 A CN 200910209738A CN 101755817 B CN101755817 B CN 101755817B
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tefluthrin
acetamiprid
diacloden
composition
composition pesticide
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CN101755817A (en
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刘忠义
朱卫锋
曹明章
桂艳男
孔建
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Shenzhen Noposion Agrochemicals Co Ltd
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Shenzhen Noposion Agrochemicals Co Ltd
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Abstract

The invention discloses an insecticidal composition which comprises an active substance A and an active substance B which are used as effective components, wherein A is tefluthrin, B is one of neonicotine insecticides comprising acetaniprid, imidacloprid and thiamethoxam, and the mass ratio of A to B is 60:1-1:80. The composition of the invention has obvious synergy, can lower the consumption of the effective components and reduce the insecticide applying times, is used for controlling various agricultural pests, and is especially suitable for controlling scarab larvae, flea beetle larvae and root-knot nematode.

Description

A kind of Pesticidal combination for controlling underground pest
Technical field
The present invention relates to a kind of composition pesticide with synergistic effect, be specially a kind of composition pesticide that contains tefluthrin, and the application of said composition on agriculture controlling underground pest.
Background technology
Tefluthrin (Tefluthrin) belongs to pyrethroid insecticides, is soil insecticide, but control soil arthropod in wide spectrum ground comprises wireworm, flea beetle, chafer, cutworm, corn borer, Sweden's wheat stem chloropid fly etc.Because tefluthrin kills off the insect pests by the steam effect, cause tefluthrin lasting period length, that the medicament performance is affected by soil physical and chemical property is larger.
The characteristics such as Acetamiprid (Acetamiprid), Acetamiprid are the new high-efficiency nicotinic insecticides, superpowerly tag except having, the stomach toxicity, strong osmosis, and absorption is strong in also having, consumption is few, quick-acting good, the lasting period is long.
Imidacloprid (Imidacloprid), chloro nicotine insecticide of new generation has wide spectrum, efficient, low toxicity, low-residual, insect is difficult for producing resistance, to characteristics such as people, animal, plant and natural enemies securities, and have tag, stomach toxicity and the multiple drug effect of interior suction.Residual life, reached about 25 days.Drug effect and temperature are proportionate, and temperature is high, good disinsection effect.Be mainly used in preventing and treating sucking pest.
Diacloden (Thiamethoxam), anabasine insecticide, its mechanism of action is similar to Imidacloprid, have tag, stomach toxicity, systemic activity, homoptera pest is had high activity.
Anabasine insecticide Acetamiprid, Imidacloprid and Diacloden are general to the preventive effect of underground insect.
Summary of the invention
The object of the present invention is to provide a kind of synergetic pesticide composition.Another purpose of invention is to provide the application of said composition on agricultural.
The present invention realizes in the following manner:
It is composite that the present invention adopts tefluthrin and another active parasite killing composition to carry out, tefluthrin and another activity
The mass ratio of insecticidal constituent is 60: 1-1: 80.
Another active parasite killing composition of the present invention is a kind of in anabasine insecticide Acetamiprid, Imidacloprid and the Diacloden.
The present invention is processed in actual applications and is fit to the upper any formulation used of agricultural, and preferred dosage form is granule, suspending agent, oil-suspending agent, missible oil, water dispersible granules and wetting powder.
As to a kind of improvement of the present invention, the mass ratio of tefluthrin and another active parasite killing composition is 20: 1-1: 20.
The present composition can be used for preventing and treating the various agricultural soil insect, is particularly useful for preventing and treating chafer larva, flea beetle larva and root-knot nematode.
The present composition is compared with prior art, produces following beneficial effect: 1. two kinds of active ingredients in the composition are composite has a synergistic effect, obviously improves the control efficiency to target pest; 2. the mechanism of action of two kinds of active ingredients is different, and the notable synergistic effect is arranged, and can be used for the improvement of resistant insect; 3. the Pesticidal combination that has synergistic effect can reduce the field dosage, and effectively environmental contamination reduction and residue of pesticide reduce the harm to beneficial organism.
Embodiment
For making purpose of the present invention, technical scheme and technological merit clearer, below in conjunction with embodiment content of the present invention is described further.Specific embodiment only is used for explaining the present invention, is not intended to limit the present invention.All any modifications of making within the spirit and principles in the present invention, be equal to and replace and improvement etc., all should be included within protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
The embodiment of the invention adopts the former medicine of 95% tefluthrin (Jiangsu Agricultural Hormone Engineering Technology Research Centre Co., Ltd.), the former medicine of 96% Acetamiprid (Tianjin, Tianjin green precious agricultural chemicals Manufacturing Co., Ltd), the former medicine of 95% Imidacloprid (Jiangsu Yangnong Chemical Group Co., Ltd), the former medicine of 98% Diacloden (Switzerland is just reaching first crop protection Co., Ltd).
Embodiment 1:61% tefluthrin acetamiprid water dispersible granules (tefluthrin: Acetamiprid=60: 1)
Tefluthrin 63.17g, Acetamiprid 1.04g, NNO (dispersant) 5g, sodium lignin sulfonate (dispersant) 5g, lauryl sodium sulfate (wetting agent) 2g, Magnesiumaluminumsilicate (disintegrant) 2g, diatomite complements to 100g.
Active ingredient, auxiliary agent and the filler ratio in prescription is mixed, become wetting powder through air-flow crushing, add again a certain amount of water mixing extruder grain, make the water-dispersible granules product after the drying screening.
Embodiment 2:41% tefluthrin Diacloden wetting powder (tefluthrin: Diacloden=40: 1)
Tefluthrin 42.11g, Diacloden 0.51g, sodium lignin sulfonate (wetting agent) 3g, NNO (dispersant) 5g pulls open powder (dispersant) 0.5g, and kaolin complements to 100g.
Active ingredient, various auxiliary agent and filler etc. are fully mixed in proportion, behind ultra-fine pulverizer disintegrating, make wetting powder.
Embodiment 3:21% tefluthrin Acetamiprid oil-suspending agent (tefluthrin: Acetamiprid=20: 1)
Tefluthrin 21.06g, Acetamiprid 1.04g, sodium lignin sulfonate (wetting dispersing agent) 10g, phenethyl phenol polyethenoxy ether (emulsifier) 5%, bentonite (thickener) 5g, organic silicone (defoamer) 5g, the castor-oil plant oil subsidy is to 100g.
Each component such as active ingredient, dispersant, emulsifier, stabilizing agent, defoamer and solvent is mixed in the ratio of prescription, after putting into the sand milling still and grinding, send into the interior mixing of mixer for well-distribution and get product.
Embodiment 4:11% tefluthrin Diacloden missible oil (tefluthrin: Diacloden=10: 1)
Tefluthrin 10.53g, Diacloden 1.02g, 1-METHYLPYRROLIDONE (cosolvent) 10g, epoxychloropropane (stabilizing agent) 3g, calcium dodecyl benzene sulfonate (emulsifier) 5g, phenethyl phenol polyethenoxy ether (emulsifier) 5g, carrene (solvent) complements to 100g.
With former medicine, emulsifier and cosolvent etc., add successively mixing kettle by formula rate, stir, namely get missible oil.
Embodiment 5:18% tefluthrin acetamiprid suspending agent (tefluthrin: Acetamiprid=5: 1)
Tefluthrin 15.79g, Acetamiprid 3.16g, sodium lignin sulfonate (dispersant) 4g, ethylene glycol (antifreeze) 4g, bentonite (thickener) 3g, silicone oil (defoamer) 0.4g, deionized water is mended to 100g.
The ratio of each component such as active ingredient, dispersant, wetting agent, thickener and water in prescription mixed, after sand milling and/or high speed shear, make suspending agent.
Embodiment 6:8% tefluthrin Diacloden granule (tefluthrin: Diacloden=1: 1)
Tefluthrin 4.21g, Diacloden 4.09g, diatomite (adsorbent) 5g, gum Arabic (binding agent) 4g, triphenyl phosphate (stabilizing agent) 6g, azone (synergist) 3g, river sand (carrier) is mended to 100g.
Active ingredient and adsorbent are mixed, put into to rotate in the seed-coating machine with carrier granular dry, after sieving and mix, fully stir adding respectively binding agent, stabilizing agent, synergist, the granule drying machine of making is dry, namely get product after sieving.
Embodiment 7:12% tefluthrin Imidacloprid missible oil (tefluthrin: Imidacloprid=1: 5)
Tefluthrin 2.16g, Imidacloprid 10.53g, 1-METHYLPYRROLIDONE (cosolvent) 10g, epoxychloropropane (stabilizing agent) 3g, calcium dodecyl benzene sulfonate (emulsifier) 5g, phenethyl phenol polyethenoxy ether (emulsifier) 5g, carrene (solvent) complements to 100g.
With former medicine, emulsifier and cosolvent etc., add successively mixing kettle by formula rate, stir, namely get missible oil.
Embodiment 8:22% tefluthrin Diacloden oil-suspending agent (tefluthrin: Diacloden=1: 10)
Tefluthrin 2.16g, Diacloden 20.41g, sodium lignin sulfonate (wetting dispersing agent) 10g, phenethyl phenol polyethenoxy ether (emulsifier) 5%, bentonite (thickener) 5g, organic silicone (defoamer) 5g, the castor-oil plant oil subsidy is to 100g.
Each component such as active ingredient, dispersant, emulsifier, stabilizing agent, defoamer and solvent is mixed in the ratio of prescription, after putting into the sand milling still and grinding, send into the interior mixing of mixer for well-distribution and get product.
Embodiment 9:31.5% tefluthrin acetamiprid wettable powder (tefluthrin: Acetamiprid=1: 20)
Tefluthrin 1.58g, Acetamiprid 20.83g, lauryl sodium sulfate (wetting agent) 2g, sodium lignin sulfonate (dispersant) 3g, NNO (dispersant) 5g, kaolin complements to 100g.
Active ingredient, various auxiliary agent and filler etc. are fully mixed in proportion, behind ultra-fine pulverizer disintegrating, make wetting powder.
Embodiment 10:41% tefluthrin Diacloden wetting powder (tefluthrin: Diacloden=1: 40)
Tefluthrin 1.05g, Diacloden 40.82g, lauryl sodium sulfate (wetting agent) 2g, sodium lignin sulfonate (dispersant) 3g, NNO (dispersant) 5g, kaolin complements to 100g.
Active ingredient, various auxiliary agent and filler etc. are fully mixed in proportion, behind ultra-fine pulverizer disintegrating, make wetting powder.
Embodiment 11:81% tefluthrin imidacloprid water dispersible granule (tefluthrin: Imidacloprid=1: 80)
Tefluthrin 1.05g, Imidacloprid 84.21g, Negel (dispersant) 5g, sodium lignin sulfonate (dispersant) 7g, lauryl sodium sulfate (wetting agent) 2g, ammonium sulfate (disintegrant) 5g, precipitated calcium carbonate (filler) complements to 100g.
Active ingredient, auxiliary agent and the filler ratio in prescription is mixed, become wetting powder through air-flow crushing, add again a certain amount of water mixing extruder grain, make the water-dispersible granules product after the drying screening.
(2) joint toxicity measuring of the present composition and field control effectiveness test
Embodiment 12: the composite joint toxicity measuring to the chafer larva of tefluthrin and Acetamiprid
Test medicine: the former medicine of 95% tefluthrin (Jiangsu Agricultural Hormone Engineering Technology Research Centre Co., Ltd.), the former medicine of 96% Acetamiprid (Tianjin, Tianjin green precious agricultural chemicals Manufacturing Co., Ltd).
Test method: adopt the mixed medicine method of soil.Each reagent agent is mixed with certain mass concentration mother liquor take acetone as solvent, and with the aqueous solution that contains 0.1% POLYSORBATE 80 above each mother liquor is diluted to respectively certain mass concentration for examination.Sandy loam is crossed 850 μ m sieve, disinfects 4h with the far infrared flash dryer under 120 degrees centigrade.Take by weighing as above dry soil samples 1.0Kg/ part, get a certain amount of liquid and add in the dry ground, add suitable quantity of water again after, make its soil moisture content about 18%.This pesticide-clay mixture stirred in " V " type mixer it was mixed in 2 minutes, the glass that accesses 1 anomala corpulenta larva of packing into is supported scolite (diameter 1.8cm, high 8cm) in, put into a small amount of just germinated wheat seed as food, plug is escaped with control examination worm beyond the Great Wall.With the distilled water that contains 0.1% POLYSORBATE 80 and 0.1% acetone as blank.Every processing examination worm is no less than 60, repeats 3 times.Placing temperature to be about 24 degrees centigrade, humidity the examination worm after processing is that raise in about 60% greenhouse.
Check afterwards examination worm death condition (death standard: what polypide obviously shrank or touched can not normally creep) in 5 days, and calculate lethality.
It is co-toxicity coefficient (CTC) method that mode of application adopts the abundant method of passing through toxicity index calculating mixture co-toxicity that waits nineteen sixty to propose of Sun Yun.The computing formula of co-toxicity coefficient is as follows:
Actual measurement toxicity index (ATI)=(standard medicament LC 50/ reagent agent LC 50) * 100
The percentage composition of B in the percentage composition of A+B medicament ATI * mixture in theoretical toxicity index (TTI)=A medicament ATI * mixture
Co-toxicity coefficient (CTC)=[mixture actual measurement toxicity index (the ATI)/theoretical toxicity index (TTI) of mixture] * 100
When CTC≤80, then the composition performance is for antagonism, and when 80<CTC<120, then the composition performance is for summation action, and when CTC 〉=120, then the composition performance is synergistic effect.
Result of the test:
The composite joint toxicity measuring to the anomala corpulenta larva of table 1 tefluthrin and Acetamiprid
Medicament LC 50(mg/L) ATI TTI CTC
Tefluthrin 4.28 100.0
Acetamiprid 12.17 35.2
Tefluthrin 60: Acetamiprid 1 3.21 133.3 98.9 134.8
Tefluthrin 40: Acetamiprid 1 2.56 167.2 98.4 169.9
Tefluthrin 20: Acetamiprid 1 2.33 183.7 96.9 189.5
Tefluthrin 10: Acetamiprid 1 2.24 191.1 94.1 203.0
Tefluthrin 5: Acetamiprid 1 2.29 187.3 89.2 210.0
Tefluthrin 1: Acetamiprid 1 2.85 150.2 67.6 222.2
Tefluthrin 1: Acetamiprid 5 4.41 97.1 46.0 211.1
Tefluthrin 1: Acetamiprid 10 5.26 81.4 41.1 198.2
Tefluthrin 1: Acetamiprid 20 6.12 69.9 38.3 182.8
Tefluthrin 1: Acetamiprid 40 6.98 61.3 36.7 166.9
Tefluthrin 1: Acetamiprid 80 8.76 48.9 36.0 135.8
The composite co-toxicity test result to the anomala corpulenta larva of tefluthrin and Acetamiprid shows that tefluthrin and Acetamiprid are composite 60: 1-1: in 80 the ratio range, have synergistic effect.Especially 20: 1-1: in 20 the ratio range, CTC is greater than 180, and synergistic effect is remarkable.
Embodiment 13: tefluthrin and Thiamethoxam compound are to the joint toxicity measuring of root-knot nematode
Test medicine: the former medicine of 95% tefluthrin (Jiangsu Agricultural Hormone Engineering Technology Research Centre Co., Ltd.), the former medicine of 98% Diacloden (Switzerland is just reaching first crop protection Co., Ltd).
Test method: with liquid according to certain concentration dilution after, draw 5ml in culture dish, with the root-knot nematode second instar larvae liquid-transfering gun sucking-off of adopting modified Baermann funnel method from soil, to separate, inject respectively the culture dish that medicament is housed, contain 30 of nematodes in every ware, each processes 3 repetitions; Place 25 degrees centigrade constant incubator to cultivate, take out behind the 24h, record nematode death toll amount is processed data under the binocular anatomical lens.
It is co-toxicity coefficient (CTC) method that mode of application adopts the abundant method of passing through toxicity index calculating mixture co-toxicity that waits nineteen sixty to propose of Sun Yun.The computing formula of co-toxicity coefficient is as follows:
Actual measurement toxicity index (ATI)=(standard medicament LC 50/ reagent agent LC 50) * 100
The percentage composition of B in the percentage composition of A+B medicament ATI * mixture in theoretical toxicity index (TTI)=A medicament ATI * mixture.
Co-toxicity coefficient (CTC)=[mixture actual measurement toxicity index (the ATI)/theoretical toxicity index (TTI) of mixture] * 100
When CTC≤80, then the composition performance is for antagonism, and when 80<CTC<120, then the composition performance is for summation action, and when CTC 〉=120, then the composition performance is synergistic effect.
Result of the test:
Table 2 tefluthrin and Thiamethoxam compound are to the joint toxicity measuring of cucumber root-knot nematode 2 instar larvaes
Medicament LC 50(mg/L) ATI TTI CTC
Tefluthrin 6.77 100.0
Diacloden 15.62 43.3
Tefluthrin 60: Diacloden 1 4.87 139.0 99.1 140.3
Tefluthrin 40: Diacloden 1 4.21 160.8 98.6 163.1
Tefluthrin 20: Diacloden 1 3.76 180.1 97.3 185.0
Tefluthrin 10: Diacloden 1 3.55 190.7 94.8 201.1
Tefluthrin 5: Diacloden 1 3.42 198.0 90.6 218.6
Tefluthrin 1: Diacloden 1 4.29 157.8 71.7 220.2
Tefluthrin 1: Diacloden 5 5.88 115.1 52.8 218.1
Tefluthrin 1: Diacloden 10 6.93 97.7 48.5 201.5
Tefluthrin 1: Diacloden 20 8.03 84.3 46.0 183.1
Tefluthrin 1: Diacloden 40 9.67 70.0 44.7 156.5
Tefluthrin 1: Diacloden 80 11.24 60.2 44.0 136.8
Tefluthrin and Thiamethoxam compound show that to the joint toxicity measuring result of cucumber root-knot nematode 2 instar larvaes tefluthrin and Thiamethoxam compound are 60: 1-1: in 80 ratio ranges, have synergistic effect.Especially 20: 1-1: in 20 the ratio range, CTC is greater than 180, and synergistic effect is remarkable.
Embodiment 14: the composite field efficacy to the chafer larva of tefluthrin and Acetamiprid
Test method: adopt the randomized arrangement method to set the residential quarter in the field, each residential quarter 40m 2, adopting the clear water contrast, each is processed 3 times and repeats.The effective ingredient consumption ditch that medicament is set according to test imposes near the wheat seedling base portion, covers thin soil.Observe the withered calculation of maize seedling in 7 days after the dispenser, calculate withered heart rate, with reference to the withered heart rate of contrast, calculate preventive effect.
The composite field efficacy to the chafer larva of table 3 tefluthrin and Acetamiprid
Medicament Effective ingredient consumption (g/hm 2) Withered heart rate (%) Preventive effect (%)
100g/L tefluthrin missible oil 120 13.4 53.1
3% acetamiprid EC 1500 12.2 57.3
61% tefluthrin acetamiprid water dispersible granules (embodiment 1) 120 7.3 74.5
21% tefluthrin Acetamiprid oil-suspending agent (embodiment 3) 120 6.1 78.7
18% tefluthrin acetamiprid suspending agent (embodiment 5) 120 4.8 83.2
31.5% tefluthrin acetamiprid wettable powder (embodiment 9) 1200 3.3 88.5
CK (clear water) 0 28.6 -
The composite field test results to the chafer larva of tefluthrin and Acetamiprid shows, the composite preventive effect to the chafer larva of tefluthrin and Acetamiprid is significantly better than the preventive effect of tefluthrin or Acetamiprid single dose, illustrates that tefluthrin and Acetamiprid are composite to have a synergistic effect.
Embodiment 15: tefluthrin and Thiamethoxam compound are to the field efficacy of root-knot nematode
Test medicine: 100g/L tefluthrin missible oil, 25% Diacloden wetting powder, the different proportioning medicaments of the present invention.
Test method: adopt field reagent to drench the root method and measure each medicament to the preventive effect of cucumber root-knot nematode.Press the great-jump-forward sampling method before the dispenser, root-knot nematode 2 instar larvae radixes among the 200mg (rhizosphere 5-20cm) are respectively processed in investigation.In the same way sampling in 30 days, 60 days is measured respectively and is respectively processed root-knot nematode 2 instar larvae number change in the soil after the dispenser.Modified Baermann funnel method is adopted in the separation of root-knot nematode.
Insect population decline rate (%)=(the front hot line borer population of hot line borer population/dispenser after the 1-dispenser) * 100
Control efficiency (%)=(CK-PT)/(100 ± CK) * 100
CK is check plot nematode decline rate, and PT is treatment region nematode decline rate.
Result of the test:
Table 4 tefluthrin and Thiamethoxam compound are to the field efficacy of cucumber root-knot nematode
The field test results of tefluthrin and Thiamethoxam compound shows that tefluthrin and Thiamethoxam compound have synergistic effect to the control of cucumber root-knot nematode.
Embodiment 16: the composite field efficacy to the flea beetle larva of tefluthrin and Imidacloprid
With 100g/L tefluthrin missible oil, 10% imidacloprid wettable powder (Dongguan City, Guangdong Province Rui Defeng bio tech ltd), 12% tefluthrin Imidacloprid missible oil (embodiment 7), 81% tefluthrin imidacloprid water dispersible granule (embodiment 11) are respectively by effective ingredient consumption 120g/hm 2, be used for the control of radish flea beetle larva.After the dispenser 10 days, the preventive effect of each medicament was followed successively by 79.6%, 73.5%, 89.9% and 93.4%, and the present composition has obvious synergistic effect; The preventive effect of 20 days each medicaments is followed successively by 74.2%, 70.1%, 87.3% and 90.5% after the dispenser, and the present composition still has obvious synergistic effect.

Claims (6)

1. composition pesticide is characterized in that active ingredient is two kinds of A and B, and wherein A is tefluthrin, and B is a kind of in anabasine insecticide Acetamiprid, the Diacloden, and the mass ratio of A and B is 60: 1-1: 80.
2. composition pesticide according to claim 1, the mass ratio that it is characterized in that effective constituents A and B is 20: 1-1: 20.
3. according to claim 1 to 2 each described composition pesticides, it is characterized in that active ingredient adds auxiliary agent and carrier is made the formulation that is fit to agricultural use.
4. composition pesticide according to claim 3 is characterized in that described composition pesticide formulation is granule, suspending agent, oil-suspending agent, missible oil, water dispersible granules or wetting powder.
5. be used for the purposes prevent and treat the various agricultural soil insect to 2 each described composition pesticides according to claim 1.
6. purposes according to claim 5 is characterized in that described composition pesticide is used for the purposes of control chafer larva, flea beetle larva, root-knot nematode.
CN 200910209738 2009-10-29 2009-10-29 Insecticidal composition for controlling underground pest Active CN101755817B (en)

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WO2012045680A2 (en) * 2010-10-04 2012-04-12 Bayer Cropscience Ag Insecticidal and fungicidal active substance combinations
CN102326579B (en) * 2011-07-19 2013-10-02 陕西上格之路生物科学有限公司 Insecticidal composition containing cycloxaprid and synthetic pyrethroid insecticides
CN102919223A (en) * 2012-11-26 2013-02-13 上海沪联生物药业(夏邑)股份有限公司 Acetamiprid water dispersible granules and preparation method thereof

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WO2006021323A1 (en) * 2004-08-23 2006-03-02 Bayer Cropscience Ag Agrochemical formulations for protecting seeds

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WO2006021323A1 (en) * 2004-08-23 2006-03-02 Bayer Cropscience Ag Agrochemical formulations for protecting seeds

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