CN1528146A - Compound insecticide containing chlor fluazuron - Google Patents
Compound insecticide containing chlor fluazuron Download PDFInfo
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- CN1528146A CN1528146A CNA2003101060872A CN200310106087A CN1528146A CN 1528146 A CN1528146 A CN 1528146A CN A2003101060872 A CNA2003101060872 A CN A2003101060872A CN 200310106087 A CN200310106087 A CN 200310106087A CN 1528146 A CN1528146 A CN 1528146A
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Abstract
The present invention discloses a high-effective low-toxic composite pesticide containing chlorfluazuron. Its composition includes basic active component chlorfluazuron 0.1-5%, one of chlorpyrifos 4-50%, fenitrothion 4-50%, diazinon 4-40%, acephate 10-60% and trichlorfon 20-60%, adjuvant 5-15% and the rest is solvent. Said invention can obviously raise effect for controlling rice leaf roller, and can be used for high-effectively controlling pale-headed striped borer and paddy borer, and can be substituted for high-toxic pesticide.
Description
One, technical field
The invention belongs to insect chemical control technical field, a class that specifically relates to be used to prevent and treat various pests such as rice leaf folder, striped rice borer, paddy stem borer contains the efficient composite insecticide that presses down hooligan (Chlorfluazuron).
Two, technical background
Rice leaf roller Cnaphalocrocis medinalis Guenee is a kind of migrating property rice grub, and it is sudden strong, and it is wide to cause harm, and the paddy rice of causing harm is caused Bai Ye, is one of insect pest of rice.For a long time, the control of rice leaf roller mainly relies on insecticide varieties such as acephatemet, desinsection list, and wherein the acephatemet control efficiency is comparatively outstanding, but because acephatemet belongs to high-toxic pesticide, has banned use of in the most of province of China in recent years; Desinsection list (two) is though belong to the bio-imitability low toxic pesticide, and the control efficiency of above rice leaf roller is relatively poor to 2 ages, and uses because of long-term, and rice leaf roller, striped rice borer and paddy stem borer have all produced tangible pesticide resistance, and the effect of pest control obviously descends.Especially under the situation that rice leaf roller in 2002,2003 breaks out on a large scale, existing control medicaments such as desinsection list and chlopyrifos, Hostathion, basudin (diazinon), Avermectin are controlled causing harm of rice leaf roller all not yet in effectly, cause the white leaf of large tracts of land paddy rice, produce to paddy rice and bring heavy losses.Therefore, demand researching and developing not only high-efficiency prevention and control rice leaf roller, but also the double effectively multi-functional low toxicant of controlling other rice grubs such as homochronous paddy stem borer, striped rice borer urgently.
Press down hooligan; chemical name is: 1-[3; 5-two chloro-4-(3-chloro-5-trifluoromethyl-2-pyridine oxygen base) phenyl]-3-(2; the 6-difluoro benzoyl) urea; the chitin that suppresses insect cuticle by specificity is synthetic; larva can not normally be casted off a skin grow and death, belong to insect growth regulator, IGR class bionic pesticide.Mainly effective to phytophagous Lepidoptera, diptera and coleopteran pest, have characteristics such as dosage is low, stability and high efficiency.In China, owing to press down the price height of hooligan's import medicament, only be used for the higher vegetable crop of economic benefit always, be not used for the control of insect of field crops such as paddy rice as yet.At present, but homemade hooligan comes into the market, and its price only is below 50% of imported product, and this lays a good foundation for pressing down the expansion application of hooligan in China's agricultural production.
In China's large tracts of land Rice Production, the rice leaf roller and the snout moth's larva of rice (pink rice borer of striped rice borer, paddy stem borer and coastal area etc.) are usually taken place the same period, cause serious compound causing harm.Press down hooligan as a kind of insect growth regulator, IGR, to insect performance stomach poison function, the lasting period is long, but desinsection speed is slower, causes harm owing to can not promptly control, thereby lower to control efficiency such as borer pest striped rice borer, paddy stem borers.On the other hand, organophosphorus insecticides such as chlopyrifos, basudin, Folithion, chlorophos belong to neurovirulent fast-acting insecticide, to striped rice borer and paddy stem borer more efficient, are widely used in the withered heart that control striped rice borer, paddy stem borer are caused harm and cause; But these organic phosphorous insecticide lasting periods are shorter, and to 2 ages above larva insecticidal activity on the low side, thereby it is undesirable to prevent and treat the effect of the insect that mixes the length of time in the field separately, a situation arises greatly down must repeated multiple times dispenser control.
Three, summary of the invention
1, goal of the invention
The one class composite insecticide of various pests such as high-efficiency prevention and control rice leaf roller, striped rice borer, paddy stem borer simultaneously is provided, reduces spraying times and dosage, alleviate environmental pollution and residue of pesticide, and suppress the pesticide resistance of insect single insecticide.
2, technical scheme
For achieving the above object, the present invention is will the lasting period long press down hooligan respectively with the stronger neurotoxicity pesticide compositionals of quick-acting such as chlopyrifos, orthene, Folithion, basudin, chlorophos, obtained one efficient to various pests such as rice leaf folder, striped rice borer, paddy stem borers roughly the same the time, have the multifunctional insecticide agent that the effect of quick-acting and long-acting control evil, a medicine are controlled more concurrently, significantly reduce dosage, spraying times and pressed down hooligan's application cost, and suppressed the pesticide resistance of insect.
The present invention is that a class contains the composite insecticide that presses down hooligan, it is characterized in that pressing down hooligan by the primary activity composition poisons upright stone tablet with poison with active component respectively, orthene, Folithion, basudin, any of chlorophos and auxiliary agent and solvent are formed, use 100 gram finished medicines to calculate by every mu, the percentage by weight of each component is in the finished medicines: the primary activity composition presses down hooligan 0.1～5%, another kind of active component chlopyrifos 4～50%, Folithion 4～50%, basudin 4～40%, orthene 10～60%, chlorophos 20～60%, auxiliary agent 5～15%, all the other are solvent.
Above-described auxiliary agent is farming breast 0204,0201,3201,0206, Triton-100 or compound emulsifying agent, and solvent is acetone, dimethylbenzene, toluene, methyl alcohol or compounded organic solvent.
Measure and the result of field control effectiveness test shows through indoor synergism test: be respectively 155-268,162-258,150-243,158-216,165-230 with any composite dose of co-toxicity coefficient to rice leaf roller, striped rice borer and paddy stem borer of poisoning upright stone tablet, Folithion, orthene, basudin, chlorophos with poison respectively by pressing down hooligan, test determination shows that all composite dose all has significant synergistic insecticidal action to three kinds of insects; Field control effectiveness test equally also shows the composite dose of effect that the insecticidal effect of rice leaf roller, striped rice borer and paddy stem borer all is significantly higher than corresponding single agent agricultural chemicals that the present invention is all.
3, beneficial effect
Composite insecticide of the present invention compared with prior art produces following beneficial effect: (1) is compared with single agent, and notable synergistic has significantly improved the effect of preventing and treating the rice leaf roller and the snout moth's larva of rice; (2) one medicines are controlled more, can prevent and treat multiple rice grub simultaneously, reduce control medicine basis and cost; (3) substitute the high toxicity agricultural chemicals, and reduced the field dosage significantly, effectively reduced residue of pesticide in environmental pollution and the rice; (4) have concurrently quick-actingly and long-acting, the field lasting period can effectively be controlled causing harm of generations of insect such as rice leaf roller, striped rice borer more than 15 days behind a drug, and the lasting period of existing Prevention Technique is shorter; (5) suppress the pesticide resistance of insects such as rice leaf roller, striped rice borer to single medicament; (6) compare with pressing down the single agent of hooligan, composite insecticide of the present invention has not only strengthened quick-acting, and has reduced application cost significantly.
Four, embodiment:
Embodiments of the invention are the methods that adopt indoor bioassay and field trial to combine.Pass through indoor bioassay, the co-toxicity coefficient after clear and definite two kinds of medicaments are composite by a certain percentage earlier; On this basis, carry out field trial again.
Reagent agent: pressing down the former medicine of hooligan is that Jiangsu Yangnong Chemical Group Co., Ltd produces; former medicine of chlopyrifos and missible oil are that Shanghai favour photochemistry Co., Ltd produces; basudin is that Zhejiang Prov HeBen pesticide Chemical Co., Ltd produces; Folithion is that the numerous source of Huangyan, Zhejiang chemical industry Co., Ltd produces; orthene is that Shanghai pesticide chemical Co., Ltd produces, and chlorophos is that rivers and mountains, Nantong pesticide chemical Co., Ltd produces.
For the examination insect: the synergistic effect in composite dose between two kinds of single agent components is measured, and used rice leaf roller is that 3 instar larvaes, striped rice borer and the paddy stem borer that gather in the field are that the pieces of an egg hatching back of gathering, field is at indoor feeding to 3 instar larvae; The worm source of field trial is the abiogenous rice leaf roller in experimental field, academy of agricultural sciences, Jiangsu Province, Nanjing, paddy stem borer and striped rice borer.
Assay method:
Indoor synergy is measured: the former medicine that will press down hooligan, chlopyrifos, Folithion, basudin, orthene, chlorophos respectively adds the emulsifier Triton-100 of cumulative volume 5% respectively with behind the acetone solution, fully mixes, and is mixed with 6 kinds of single agent of certain content respectively.The single agent of hooligan that presses down that to prepare again is mixed into different two yuan composite dose (concrete ratio is seen each embodiment) by a certain percentage with chlopyrifos, Folithion, basudin, orthene or the agent of chlorophos list respectively.Then, water is handled each composite dose confession reagent liquid that is diluted to a series of concentration respectively as blank with clear water.Adopt the soup dip method to measure, larva is soaked in soup after 1 second and takes out, and places earlier to inhale on the blotting paper to remove residual liquor, places on the rice leaf again.Investigate dead borer population respectively at 24h, 48h and 72h after the immersion liquid, calculate virulence and co-toxicity coefficient.
Field control effectiveness test: will press down hooligan is mixed with certain content and formulation respectively with chlopyrifos, Folithion, basudin, orthene or chlorophos composite agent emulsifiable solution (concrete process for preparation and field consumption are seen embodiment) earlier.Serve as the contrast medicament simultaneously with various single agent, with clear water as space management.Adopt spray-on process, contain the phase of sending out and striped rice borer or paddy stem borer ovum at the rice leaf roller low instar larvae and incubate the peak period dispenser, each single agent or composite dose are converted water by every mu of dosage be mixed with soup respectively for 50 kilograms, even spraying, every processing repeats 4 sub-districts, every sub-district 30m
2Respectively at investigating the white number of sheets, residual borer population after the dispenser in 2 days, 6 days and 15 days, calculate the control efficiency and the significance of difference.
Implementation result:
Embodiment 1: press down hooligan and the chlorpyrifos mixture agent synergistic insecticidal action to insect
The result that synergy is measured shows, press down hooligan and chlopyrifos by active ingredient 1: 500,1: 100,1: 40,1: 10 and 1: 5 composite dose of totally five kinds of proportionings, co-toxicity coefficient to rice leaf roller, striped rice borer and paddy stem borer is 155～268 (tables 1), shows that there is significant synergistic insecticidal action the composite back of these two kinds of single agent to above-mentioned three kinds of insects.
Table 1 presses down composite dose of co-toxicity coefficient to insect of the different proportionings with chlopyrifos of hooligan
The proportioning co-toxicity coefficient
(but hooligan: chlopyrifos) rice leaf roller paddy stem borer striped rice borer
1∶500 187 155 165
1∶100 210 163 172
1∶40 268 178 218
1∶10 213 159 205
1∶5 195 169 176
The preparation of field trial medicament and consumption:
1, the preparation of 30% missible oil (pressing down hooligan and chlopyrifos weight ratio is 1: 40): get 50% and press down former medicine 1.46 grams of hooligan and 80% chlopyrifos, 36.6 grams, be dissolved in respectively in 7 milliliters of acetone and the 45 milliliters of dimethylbenzene, mix, add 0204 and 7 milliliter of farming breast 0201 of 3 milliliters of farming breasts again, fully mixing promptly is made into 30% missible oil.Wherein pressing down hooligan and chlopyrifos weight ratio is 1: 40.Use 50 milliliters for every mu.
2, the preparation of 40% missible oil (pressing down hooligan and chlopyrifos weight ratio is 1: 125): get 50% and press down hooligan's 0.62 gram and 80% chlopyrifos, 49.6 grams, be dissolved in respectively in 5 milliliters of acetone and the 34.8 milliliters of dimethylbenzene, with the two mixing, add 0204 and 8 milliliter of farming breast 0201 of 2 milliliters of farming breasts again, fully mixing promptly is made into 40% missible oil.Wherein pressing down hooligan and chlopyrifos weight ratio is 1: 125.Use 60 milliliters for every mu.
Field test results (table 2) shows; every mu with active ingredient press down hooligan 0.37 gram+chlopyrifos 14.64 grams (i.e. mu with 30% composite dose of 50ml of 1: 40) or but hooligan 0.19 gram+chlopyrifos 23.81 restrains (40% composite dose of 60ml of promptly 1: 125); after the dispenser 2 days and 6 days; to the insecticidal effect of rice leaf roller, paddy stem borer and striped rice borer all the utmost point significantly (reach 1% significance level, down with) be higher than the effect that independent use presses down hooligan or chlopyrifos.After the dispenser 15 days, two kinds composite dose to the preventive effect of rice leaf roller, striped rice borer and paddy stem borer significantly (reach 5% significance level, down with) be higher than mu with chlopyrifos or press down hooligan's corresponding effect.
Table 2 presses down hooligan, chlopyrifos and the composite dose of field control effect to rice grub thereof
Behind the mu consumption medicine behind 2 days (%) medicines behind 6 days (%) medicines 15 days (%)
Press down hooligan+chlopyrifos leaf-roller paddy stem borer striped rice borer leaf-roller paddy stem borer striped rice borer leaf-roller paddy stem borer striped rice borer
0.37g+14.64g 80aA 77aA 78aA 94aA 83aA 86aA 93aA 83aA 85aA
0.19g+23.81g 81aA 78aA 82aA 92aA 85aA 84aA 91aA 85aA 88aA
Press down hooligan 0.37g 26cC 18cC 21cC 58cC 32dC 40dC 64bB 22cD 28dC
Chlopyrifos 23.81g 70bB 62bB 68bB 75bB 68bB 70bB 45cC 55cC 60cB
In the table after the data mark identical English capitalization and lowercase be illustrated respectively on 1% and 5% significance level and do not have significant difference.Down together.
The above results shows, press down hooligan and chlopyrifos composite dose, compare with two single agent and to have following advantage: (1) has significantly improved the omnidistance control efficiency to rice leaf roller, striped rice borer and paddy stem borer; (2) have the quick-acting of enhancing and long hold effect concurrently, after the dispenser insecticidal effect of 2 days and 15 days all the utmost point be significantly higher than each single agent.
Embodiment 2: press down hooligan and composite dose of synergistic insecticidal action to insect of basudin (diazinon)
Biologicall test shows, press down hooligan and basudin composite dose by active ingredient 1: 400,1: 200,1: 50,1: 10 and 1: 4 five proportioning, co-toxicity coefficient to rice leaf roller, striped rice borer and paddy stem borer is 162～258 (tables 3), shows that composite dose of this two kinds of medicaments has significant synergistic insecticidal action to insect.
Table 3 presses down the composite dose of co-toxicity coefficient to three kinds of insects of hooligan and the different proportionings of basudin
The proportioning co-toxicity coefficient
Press down hooligan: basudin
Rice leaf roller paddy stem borer striped rice borer
1∶400 197 162 173
1∶200 215 182 184
1∶50 258 172 208
1∶10 203 179 218
1∶4 185 174 186
The compound method of field trial medicament and consumption:
1, the preparation of 30% missible oil (pressing down hooligan and basudin weight ratio is 1: 60): get 50% and press down hooligan's 0.98 gram and 80% basudin, 36.8 grams, be dissolved in respectively in 5 milliliters of acetone and the 46.1 milliliters of toluene, mix again, and add 3 milliliters of farming breasts 0204 and 7 milliliter agricultural newborn 0206, fully mixing promptly is made into 30% missible oil.Wherein pressing down hooligan and basudin weight ratio is 1: 60.80 milliliters of every mu of consumptions.
2, the preparation of 20% missible oil (pressing down hooligan and basudin weight ratio is 1: 20): get 50% and press down hooligan's 1.9 grams and 80% basudin, 23.8 grams, be dissolved in respectively in 10 milliliters of acetone and the 54.3 milliliters of toluene, again with the two mixing, and add 5 milliliters of farming breasts 0204 and 7 milliliter agricultural newborn 0206, fully mixing promptly is made into 20% missible oil.Wherein pressing down hooligan and basudin weight ratio is 1: 20.Use 80 milliliters for every mu.
Field trial shows; every mu of usefulness presses down hooligan's 0.39 gram+basudin 23.55 grams (promptly mu with 1: 60 30% composite agent emulsifiable solution 80ml); or but hooligan's 0.76 gram+basudin 15.24 grams (promptly 1: 20 20% composite agent emulsifiable solution 80ml); after the dispenser 2 days, the insecticidal effect utmost point of rice vertical leaf snout moth's larva, paddy stem borer and striped rice borer is significantly higher than mu with the corresponding effect that presses down hooligan or basudin.Behind the medicine 6 days, the two kinds composite dose insecticidal effect utmost point to rice leaf roller was significantly higher than the basudin preventive effect, to striped rice borer and paddy stem borer preventive effect then the utmost point be significantly higher than basudin or press down hooligan's corresponding effect.Behind the medicine 15 days, two kinds of composite dose of preventive effects to rice leaf roller were significantly higher than basudin, and the preventive effect of striped rice borer and paddy stem borer then is significantly higher than basudin or presses down hooligan's preventive effect (table 4).
Table 4 presses down hooligan, basudin and the composite dose of field control effect to three kinds of rice grubs thereof
Behind the mu consumption medicine behind 2 days (%) medicines behind 6 days (%) medicines 15 days (%)
Press down hooligan+basudin leaf-roller paddy stem borer striped rice borer leaf-roller paddy stem borer striped rice borer leaf-roller paddy stem borer striped rice borer
0.39g+23.55g 78aA 78aA 80aA 88aA 82aA 85aA 90aA 83aA 84aA
0.76g+15.24g 83aA 76aA 79aA 90aA 79aA 83aA 95aA 78aA 80aA
Press down hooligan 0.76g 29cC 21cC 24cC 82aA 49cC 55cC 90aA 30cD 35dC
Basudin 23.55g 72bB 65bB 69bB 70bB 65bB 68bB 43cB 48cC 49cC
Embodiment 3: press down hooligan and composite dose of synergistic insecticidal action to insect of Folithion
Bioassay results shows, totally five proportionings were composite in 1: 500,1: 200,1: 50,1: 10 and 1: 5 by active ingredient to press down hooligan and Folithion, co-toxicity coefficient to rice leaf roller, striped rice borer and paddy stem borer is 150～243 (tables 5), shows that these two kinds of composite reagents have significant synergistic effect to three kinds of rice grubs.
Table 5 presses down the composite dose of co-toxicity coefficient to three kinds of insects of hooligan and the different proportionings of Folithion
The proportioning co-toxicity coefficient
Press down hooligan: Folithion rice leaf roller paddy stem borer striped rice borer
1∶500 179 150 169
1∶200 215 168 182
1∶50 243 193 215
1∶10 202 174 220
1∶5 198 173 188
The preparation of field trial medicament and amount of application:
1, the preparation of 20% missible oil (pressing down hooligan and Folithion weight ratio is 1: 10): get 50% and press down hooligan's 3.64 grams and 80% Folithion, 22.73 grams, be dissolved in respectively in 15 milliliters of acetone and the 48.6 milliliters of dimethylbenzene, again with the two mixing, and add 3 milliliters of farming breasts 0204 and 7 milliliter agricultural newborn 3201, fully mixing promptly is made into 20% missible oil.Wherein pressing down hooligan and Folithion weight ratio is 1: 10.Use 50 milliliters for every mu.
2, the preparation of 40% missible oil (pressing down hooligan and Folithion weight ratio is 1: 150): get 50% and press down hooligan's 0.53 gram and 80% Folithion, 49.67 grams, be dissolved in respectively in 5 milliliters of acetone and the 34.8 milliliters of dimethylbenzene, mix again, and add 3 milliliters of farming breasts 0204 and 7 milliliter agricultural newborn 3201, fully mixing promptly is made into 40% missible oil.Wherein pressing down hooligan and Folithion weight ratio is 1: 150.Use 80 milliliters for every mu.
Field test results (table 6) shows, every mu of usefulness presses down hooligan's 0.21 gram+Folithion 31.8 grams (40% composite dose of 80ml of promptly 1: 150), or but hooligan's 0.91 gram+Folithion 9.1 grams (20% composite dose of 50ml of 1: 10), after the dispenser 2 days, to the insecticidal effect of rice vertical leaf snout moth's larva, paddy stem borer and striped rice borer all the utmost point be significantly higher than mu with the corresponding effect that presses down single agent 0.91 gram of hooligan or Folithion 31.8 grams.After the dispenser 6 days, this two kinds composite dose was significantly higher than the effect of Folithion to the insecticidal effect utmost point of rice leaf roller, and the preventive effect utmost point of striped rice borer and paddy stem borer is significantly higher than Folithion or presses down hooligan's preventive effect.After the dispenser 15 days, two kinds of composite dose of preventive effects to rice leaf roller were significantly higher than the effect of Folithion, and the preventive effect of striped rice borer and paddy stem borer is significantly higher than Folithion or presses down hooligan's preventive effect.
Table 6 presses down hooligan and Folithion and the composite dose of field control effect to rice grub thereof
Behind the mu consumption medicine behind 2 days (%) medicines behind 6 days (%) medicines 15 days (%)
Press down hooligan+Folithion leaf-roller paddy stem borer striped rice borer leaf-roller paddy stem borer striped rice borer leaf-roller paddy stem borer striped rice borer
0.21g+31.8g 80aA 79aA 80aA 88aA 87aA 85aA 88aA 82aA 83aA
0.91g+9.1g 78aA 75aA 79aA 90aA 82aA 83aA 95aA 79aA 78aA
Press down hooligan 0.91g 30cC 20cC 23cC 83aA 54cB 58cB 96aA 35dD 41cC
Folithion 31.8g 70bB 63bB 67bB 72bB 65bB 68bB 48cC 49cC 52cC
Embodiment 4: press down hooligan and composite dose of synergistic insecticidal action to insect of orthene
Result's (table 7) that synergy is measured shows, it is composite by active ingredient 1: 500,1: 250,1: 60,1: 20 and 1: 10 five proportioning to press down hooligan and orthene, co-toxicity coefficient to rice leaf roller, striped rice borer and paddy stem borer is 158～216, shows that two kinds of composite reagents have significant synergistic insecticidal action to insect.
Table 7 presses down the composite co-toxicity coefficient to insect of the different proportionings with orthene of hooligan
The proportioning co-toxicity coefficient
Press down hooligan: orthene rice leaf roller paddy stem borer striped rice borer
1∶500 189 168 178
1∶250 207 158 193
1∶60 216 185 207
1∶20 198 196 215
1∶10 185 185 187
The preparation of field trial medicament and consumption:
1, the preparation of 40% missible oil (pressing down hooligan and orthene weight ratio is 1: 75): get 50% and press down hooligan's 1.06 grams and 80% orthene, 49.34 grams, be dissolved in respectively in 7 milliliters of acetone and 42.6 ml methanol, again with the two mixing, and add 5 milliliters of farming breasts 0204 and 5 milliliter agricultural newborn 0201, fully mixing promptly is made into 40% missible oil.Wherein pressing down hooligan and orthene weight ratio is 1: 75.Use 75 milliliters for every mu.
2, the preparation of 50% missible oil (pressing down hooligan and orthene weight ratio is 1: 450): get 50% and press down 0.22 milliliter in hooligan and 80% orthene, 62.36 grams, be dissolved in respectively in 5 milliliters of acetone and 32.4 ml methanol, again with the two mixing, and add 3 milliliters of farming breasts 0204 and 7 milliliter agricultural newborn 0201, fully mixing promptly is made into 50% missible oil.Wherein pressing down hooligan and orthene weight ratio is 1: 450.Use 90 milliliters for every mu.
Field trial shows, mu is with pressing down hooligan's 0.4 gram+orthene 29.6 grams (40% composite dose of 75ml of promptly 1: 75), or but hooligan's 0.1 gram+orthene 44.9 grams (50% composite dose of 90ml of promptly 1: 450), after the dispenser 2 days and 6 days, to the insecticidal effect of rice vertical leaf snout moth's larva, paddy stem borer and striped rice borer all the utmost point be significantly higher than mu with the effect that presses down hooligan's 0.4 gram or orthene 44.9 grams.After the dispenser 15 days, two kinds composite dose preventive effect to rice leaf roller, striped rice borer and paddy stem borer all was significantly higher than orthene or presses down hooligan's corresponding effect (table 8).
Table 8 presses down hooligan, orthene and the composite dose of field control effect to rice grub thereof
Behind the mu consumption medicine behind 2 days (%) medicines behind 6 days (%) medicines 15 days (%)
Press down hooligan+orthene leaf-roller paddy stem borer striped rice borer leaf-roller paddy stem borer striped rice borer leaf-roller paddy stem borer striped rice borer
0.4g+29.6g 82aA 82aA 85aA 86aA 78aA 80aA 89aA 78aA 82aA
0.1g+44.9g 85aA 85aA 87aA 83aA 80aA 77aA 87aA 75aA 79aA
Press down hooligan 0.4g 26cC 18cC 21cC 58cC 32dC 40dC 64bB 22eD 28dC
Orthene 44.9g 71bB 60bB 64bB 72bB 65bB 68bB 47cC 45cC 52cC
Embodiment 5: press down hooligan and composite dose of synergistic insecticidal action to insect of chlorophos
The synergy biologicall test shows, press down hooligan and chlorophos composite dose by active ingredient 1: 500,1: 350,1: 125,1: 50 and 1: 20 five proportioning, co-toxicity coefficient to rice leaf roller, striped rice borer and paddy stem borer is 165～230 (tables 9), shows that these two kinds of composite reagents have significant synergistic insecticidal action to above-mentioned insect.
Table 9 presses down the composite co-toxicity coefficient to insect of the different proportionings with chlorophos of hooligan
The proportioning co-toxicity coefficient
Press down hooligan: chlorophos rice leaf roller paddy stem borer striped rice borer
1∶500 158 175 179
1∶350 213 165 188
1∶125 230 174 211
1∶50 168 182 203
1∶20 176 208 196
The preparation of field trial medicament and usage amount:
1, the preparation of 50% missible oil (pressing down hooligan and chlorophos weight ratio is 1: 100): get 50% and press down hooligan's 0.99 gram and 90% chlorophos, 55.0 grams, be dissolved in respectively in 10 milliliters of acetone and the 79 milliliters of dimethylbenzene, again with the two mixing, and add 10 milliliters agricultural newborn 0204, fully mixing promptly is made into 50% missible oil.Wherein pressing down hooligan and chlorophos weight ratio is 1: 100.Use 80 milliliters for every mu.
2, the preparation of 20% missible oil (pressing down hooligan and chlorophos weight ratio is 1: 20): get 50% and press down hooligan's 1.9 grams and 90% chlorophos, 21.2 grams, be dissolved in 15 milliliters of acetone and 73.1 milliliters of dimethylbenzene respectively, mix again, and add 10 milliliters of farming breasts 0204, fully mixing promptly is made into 20% missible oil.Weight ratio is 1: 20.100 milliliters of every mu of usefulness.
Test shows, mu is with pressing down hooligan's 0.4 gram+chlorophos 39.6 grams (50% composite dose of 80ml of promptly 1: 100), or but hooligan's 0.95 gram+chlorophos 19.1 grams (20% composite dose of 100ml of promptly 1: 20), after the dispenser 2 days, to the insecticidal effect of rice vertical leaf snout moth's larva, paddy stem borer and striped rice borer all the utmost point be significantly higher than mu with the effect that presses down hooligan's 0.95 gram or chlorophos 39.6 grams.Behind the medicine 6 days, two composite doses were significantly higher than the effect of chlorophos to the insecticidal effect utmost point of rice leaf roller, to the preventive effect of striped rice borer and paddy stem borer then the utmost point be significantly higher than chlorophos or press down hooligan's preventive effect.Behind the medicine 15 days, two kinds of composite dose of preventive effects to rice leaf roller were significantly higher than chlorophos, to the preventive effect of striped rice borer, paddy stem borer also significantly higher (table 10).
Table 10 presses down hooligan, chlorophos and the composite dose of field control effect to three kinds of rice grubs thereof
Behind the mu consumption medicine behind 2 days (%) medicines behind 6 days (%) medicines 15 days (%)
Press down hooligan+chlorophos leaf-roller paddy stem borer striped rice borer leaf-roller paddy stem borer striped rice borer leaf-roller paddy stem borer striped rice borer
0.4g+39.6g 82aA 80aA 83aA 84aA 80aA 83aA 92aA 80aA 83aA
0.95g+19.1g 79aA 76aA 78aA 88aA 78aA 79aA 98aA 78aA 80aA
Press down hooligan 0.95g 30cC 20cC 23cC 83aA 54cB 58cB 96aA 35cB 41cB
Chlorophos 39.6g 64bB 60bB 65bB 74bB 59bB 62bB 45bB 42bB 49bB
Claims (3)
1, a class contains the composite insecticide that presses down hooligan, it is characterized in that by press down hooligan respectively with chlopyrifos, orthene, Folithion, basudin, chlorophos in any and auxiliary agent and solvent formed, use 100 gram finished medicines to calculate by every mu, the percentage by weight of each component is in the finished medicines: press down hooligan 0.1-5%, chlopyrifos 4-50%, orthene 10-60%, Folithion 4-50%, basudin 4-40%, chlorophos 20-60%, auxiliary agent 5-15%, all the other are solvent.
2, the composite insecticide that presses down hooligan that contains according to claim 1 is characterized in that auxiliary agent is farming breast 0204,0201,3201,0206, Triton-100 or compound emulsifying agent.
3. the composite insecticide that presses down hooligan that contains according to claim 1 is characterized in that solvent is acetone, dimethylbenzene, toluene, methyl alcohol or compounded organic solvent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310106087 CN1274222C (en) | 2003-10-17 | 2003-10-17 | Compound insecticide containing chlor fluazuron |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310106087 CN1274222C (en) | 2003-10-17 | 2003-10-17 | Compound insecticide containing chlor fluazuron |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1528146A true CN1528146A (en) | 2004-09-15 |
| CN1274222C CN1274222C (en) | 2006-09-13 |
Family
ID=34304424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200310106087 Expired - Fee Related CN1274222C (en) | 2003-10-17 | 2003-10-17 | Compound insecticide containing chlor fluazuron |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1274222C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1322812C (en) * | 2004-12-28 | 2007-06-27 | 倪烈 | Composite pesticide |
| CN102017992A (en) * | 2009-09-22 | 2011-04-20 | 南京华洲药业有限公司 | Synergistic insecticidal composition containing chlorfluazuron and chlorpyrifos-methyl and application thereof |
| CN102175845A (en) * | 2011-02-22 | 2011-09-07 | 山东农业大学 | Method for monitoring drug resistance of spodostera exigua hubner to insecticides |
-
2003
- 2003-10-17 CN CN 200310106087 patent/CN1274222C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1322812C (en) * | 2004-12-28 | 2007-06-27 | 倪烈 | Composite pesticide |
| CN102017992A (en) * | 2009-09-22 | 2011-04-20 | 南京华洲药业有限公司 | Synergistic insecticidal composition containing chlorfluazuron and chlorpyrifos-methyl and application thereof |
| CN102017992B (en) * | 2009-09-22 | 2013-08-07 | 南京华洲药业有限公司 | Synergistic insecticidal composition containing chlorfluazuron and chlorpyrifos-methyl and application thereof |
| CN102175845A (en) * | 2011-02-22 | 2011-09-07 | 山东农业大学 | Method for monitoring drug resistance of spodostera exigua hubner to insecticides |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1274222C (en) | 2006-09-13 |
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