CN101642117A - Pesticidal composition with synergistic effect - Google Patents
Pesticidal composition with synergistic effect Download PDFInfo
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- CN101642117A CN101642117A CN200910173097A CN200910173097A CN101642117A CN 101642117 A CN101642117 A CN 101642117A CN 200910173097 A CN200910173097 A CN 200910173097A CN 200910173097 A CN200910173097 A CN 200910173097A CN 101642117 A CN101642117 A CN 101642117A
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- ethyl ester
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- worm ethyl
- avermectin
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Abstract
The invention discloses a pesticidal composition comprising the active components including spirotetramat and (B) which is any one of abamectin or emamectin benzoate. The mass ratio of the spirotetramat to B is 100:1-1:40. By combining the spirotetramat and the abamectin or the emamectin benzoate, the composition has obvious synergistic effect and is conductive to retarding or overcoming the drugresistance of pests. The composition of the invention can be used for controlling diverse pests on agricultural crops and is especially suitable for controlling the pests such as aphids, whiteflies, thrips, plant lice and the like.
Description
Technical field
The present invention relates to a kind of Pesticidal combination, relate in particular to the composition that a kind of active ingredient comprises spiral shell worm ethyl ester.
Background technology
Spiral shell worm ethyl ester: English common name spirotetramat is a kind of tetronic acid insecticides.Spiral shell worm ethyl ester has unique function Characteristics, can upwards move down in the whole plants body, arrives at blade face and bark, thereby control is as romaine lettuce and Chinese cabbage internal lobe and the corticole insect of fruit.Spiral shell worm ethyl ester high-efficiency broad spectrum can effectively be prevented and treated various suckings pest, as aphid, thrips, wood louse, mealybug, aleyrodid and scale insect etc.But spiral shell worm ethyl ester uses separately, is easy to generate resistance, and the control cost is higher.
Avermectin: English common name Abamectin.Avermectin has insect and mite class tags and stomach poison function and faint fumigation action is arranged, no systemic action.But it has very strong osmosis to blade, can kill subepidermal insect, and the longevity of residure is long.
Emamectin-benzoate (is called for short: first dimension salt): English common name Emamectin benzoate, it is a kind of new and effective semisynthetic antibiotics insecticide that begins to synthesize from fermented product Avermectin B1, it has super-high-efficient, low toxicity, noresidue, the nuisanceless characteristics that wait biopesticide have improved 1-3 the order of magnitude with Avermectin comparison insecticidal activity, active high to the larva of lepidopterous insects and other many insects and mite class, the double again action of contace poison of existing stomach poison function.
Avermectin and first dimension salt have characteristic of wide insecticidal spectrum, but general in the sucking pest preventive effect, and use is easily developed immunity to drugs separately.Desinsection speed also is its shortcoming in control of insect slowly.
Summary of the invention
The object of the present invention is to provide a kind of composition pesticide, said composition has obvious synergistic effect, can reduce effective ingredient consumption.
The present invention is achieved through the following technical solutions:
It is composite that the present invention adopts spiral shell worm ethyl ester and Avermectin or first dimension salt to carry out, and the mass ratio of spiral shell worm ethyl ester and Avermectin or first dimension salt is 100: 1-1: 40.
The present composition is processed in actual applications and is fit to any formulation that agricultural goes up use, and preferred dosage form is wetting powder, suspending agent, oil-suspending agent, missible oil, microcapsule suspending agent and water dispersible granules.
As a kind of improvement to Pesticidal combination of the present invention, the mass ratio of spiral shell worm ethyl ester and Avermectin or first dimension salt is preferably 20: 1-1: 20.
The present composition can be used for preventing and treating agricultural and goes up multiple insect, is particularly suitable for the control of insects such as aphid, aleyrodid, thrips, wood louse.
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, can reduce dosage, delays pest resistance to insecticide and produces; 2. the mechanism of action difference of two kinds of active ingredients can be used for the improvement of resistant insect.
Embodiment
1, water dispersible granules processing and embodiment
Active ingredient, auxiliary agent and the filler ratio in prescription is mixed, become wetting powder, add a certain amount of water mixing extruder grain again, make the water-dispersible granules product after the drying screening through comminution by gas stream.
Embodiment 1:50.5% spiral shell worm ethyl ester Avermectin water dispersible granules (spiral shell worm ethyl ester: Avermectin=100: 1)
Spiral shell worm ethyl ester 50%, Avermectin 0.5%, Negel (dispersant) 5%, sodium lignin sulfonate (dispersant) 7%, lauryl sodium sulfate (wetting agent) 2%, ammonium sulfate (disintegrant) 5%, precipitated calcium carbonate (filler) complements to 100%.
Embodiment 2:20.5% spiral shell worm ethyl ester emamectin benzoate water dispersible granule (spiral shell worm ethyl ester: first dimension salt=40: 1)
Spiral shell worm ethyl ester 20%, first dimension salt 0.5%, NNO (dispersant) 5%, sodium lignin sulfonate (dispersant) 5%, lauryl sodium sulfate (wetting agent) 2%, Magnesiumaluminumsilicate (disintegrant) 2%, diatomite complements to 100%.
2, missible oil processing and embodiment
To contain former medicine, emulsifier and the cosolvent etc. of active component, add mixing kettle successively, stir, promptly get missible oil by formula rate.
Embodiment 3:8.4% spiral shell worm ethyl ester first dimension salt missible oil (spiral shell worm ethyl ester: first dimension salt=1: 20)
Spiral shell worm ethyl ester 0.4%, first dimension salt 8%, N-Methyl pyrrolidone (cosolvent) 10g, epoxychloropropane (stabilizing agent) 3g, calcium dodecyl benzene sulfonate (emulsifier) 5g, phenethyl phenol polyethenoxy ether (emulsifier) 5g, carrene (solvent) complements to 100g.
3, wetting powder processing and embodiment
Active component spiral shell worm ethyl ester and pyrrole aphid ketone, various auxiliary agent and filler etc. are fully mixed in proportion, after ultrafine crusher is pulverized, make wetting powder.
Embodiment 4:30.5% spiral shell worm ethyl ester Avermectin wetting powder (spiral shell worm ethyl ester: Avermectin=60: 1)
Spiral shell worm ethyl ester 30%, Avermectin 0.5%, lauryl sodium sulfate (wetting agent) 2%, sodium lignin sulfonate (dispersant) 3%, NNO (dispersant) 5%, kaolin complements to 100%.
Embodiment 5:11% spiral shell worm ethyl ester first dimension salt wetting powder (spiral shell worm ethyl ester: first dimension salt=10: 1)
Spiral shell worm ethyl ester 10%, first dimension salt 1%, sodium lignin sulfonate (wetting agent) 3%, NNO (dispersant) 5% draws back powder (dispersant) 0.5%, and kaolin complements to 100%.
4, oil-suspending agent processing and embodiment
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 homogeneous blender and get product.
Embodiment 6:10.25% spiral shell worm ethyl ester Avermectin oil-suspending agent (spiral shell worm ethyl ester: Avermectin=1: 40)
Spiral shell worm ethyl ester 0.25%, Avermectin 10%, sodium lignin sulfonate (wetting dispersing agent) 10%, styryl phenol APEO (emulsifier), bentonite (thickener) 5%, organic silicone (defoamer) 5%, castor-oil plant oil subsidy to 100%.
5, suspending agent processing and embodiment
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, obtain semi-finished product, add water after the analysis and mix to filter and get product.
Embodiment 7:21% spiral shell worm ethyl ester Avermectin suspending agent (spiral shell worm ethyl ester: Avermectin=20: 1)
Spiral shell worm ethyl ester 20%, Avermectin 1%, lignosulfonates (dispersant) 4%, ethylene glycol (antifreeze) 4%, polyethylene glycol (thickener) 1%, silicone oil (defoamer) 0.4%, deionized water is mended to 100%.
Embodiment 8:8% spiral shell worm ethyl ester first dimension salt suspension agent (spiral shell worm ethyl ester: first dimension salt=1: 1)
Spiral shell worm ethyl ester 4%, first dimension salt 4%, lignosulfonates (dispersant) 4%, ethylene glycol (antifreeze) 4%, bentonite (thickener) 3%, organic silicone (defoamer) 3%, deionized water is mended to 100%.
Embodiment 9:9% spiral shell worm ethyl ester Avermectin suspending agent (spiral shell worm ethyl ester: Avermectin=1: 5)
Spiral shell worm ethyl ester 1.5%, Avermectin 7.5%, sodium lignin sulfonate (dispersant) 4%, ethylene glycol (antifreeze) 4%, xanthan gum (thickener) 0.5%, silicone oil (defoamer) 0.4%, deionized water is mended to 100%.
6, microcapsule suspending agent processing and embodiment
Adopt interfacial polymerization.With directly being scattered in the gum Arabic aqueous solution after former medicine, polyisocyanates and the cyclohexanone mixing, add polyalcohol then, slow reaction is made capsule, forms microcapsule suspending agent.
Embodiment 10:6% spiral shell worm ethyl ester avermectin microcapsule suspending agent (spiral shell worm ethyl ester: Avermectin=5: 1)
Spiral shell worm ethyl ester 5%, Avermectin 1%, cyclohexanone (solvent) 1%, polyisocyanates (curing agent) 0.4%, ethylene glycol (solvent) 0.4%, gum Arabic (thickener) 1%, deionized water complements to 100%.
Embodiment 11:5.5% spiral shell worm ethyl ester first dimension salt microcapsule suspending agent (spiral shell worm ethyl ester: first dimension salt=1: 10)
Spiral shell worm ethyl ester 0.5%, first dimension salt 5%, cyclohexanone (solvent) 1%, polyisocyanates (curing agent) 0.4%, ethylene glycol (solvent) 0.4%, gum Arabic (thickener) 1%, deionized water complements to 100%.
(2) the indoor determination of activity and the field control effectiveness test of the present composition
1, spiral shell worm ethyl ester and abamectin compounded to cucumber Bemisia tabaci joint toxicity measuring
For trying object: the cucumber Bemisia tabaci, pick up from Miyi County, Sichuan Province for the examination Bemisia tabaci.
Test medicine: the former medicine of 95% spiral shell worm ethyl ester (Bayer crop science company), the former medicine of 92% Avermectin (Hebei Weiyuan Biochemical Co., Ltd.).
Test method: adopt the agar leaf dipping method of preserving moisture.Add agar solution with the plastic culture dish of diameter 40mm and make the agar culture dish of preserving moisture, and cover punching in order to ventilation at culture dish with insect needle; With card punch fresh cauliflower blade is beaten the disk of getting 38mm, soak 15s in reagent agent, taking-up is dried, and puts into the agar culture dish for preparing; Every ware inserts 30 cucumber Bemisia tabaci, and every processing repeats 4 times.48h record adult death toll adopts the DPS data handling system to carry out data and handles, with this foundation as each medicament activity of evaluation.
It is co-toxicity coefficient (CTC) method that the synergy mode 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 percentage composition+B medicament ATI * mixture of A 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 1 spiral shell worm ethyl ester and abamectin compounded to cucumber Bemisia tabaci joint toxicity measuring
| Chemicals treatment | ??LC 50(mg/L) | ??ATI | ??TTI | ??CTC |
| Spiral shell worm ethyl ester | ??3.41 | ??100.0 | ||
| Avermectin | ??1.72 | ??198.3 | ||
| Spiral shell worm ethyl ester 100: Avermectin 1 | ??2.64 | ??129.2 | ??101.0 | ??127.9 |
| Spiral shell worm ethyl ester 60: Avermectin 1 | ??2.27 | ??150.2 | ??101.6 | ??147.8 |
| Spiral shell worm ethyl ester 40: Avermectin 1 | ??1.96 | ??174.0 | ??102.4 | ??169.9 |
| Spiral shell worm ethyl ester 20: Avermectin 1 | ??1.74 | ??196.0 | ??104.7 | ??187.2 |
| Spiral shell worm ethyl ester 10: Avermectin 1 | ??1.59 | ??214.5 | ??108.9 | ??196.9 |
| Spiral shell worm ethyl ester 5: Avermectin 1 | ??1.45 | ??235.2 | ??116.4 | ??202.1 |
| Spiral shell worm ethyl ester 1: Avermectin 1 | ??1.08 | ??315.7 | ??149.1 | ??211.7 |
| Spiral shell worm ethyl ester 1: Avermectin 5 | ??0.91 | ??374.7 | ??181.9 | ??206.0 |
| Spiral shell worm ethyl ester 1: Avermectin 10 | ??0.93 | ??366.7 | ??189.3 | ??193.7 |
| Spiral shell worm ethyl ester 1: Avermectin 20 | ??0.96 | ??355.2 | ??193.6 | ??183.5 |
| Spiral shell worm ethyl ester 1: Avermectin 40 | ??1.31 | ??260.3 | ??195.9 | ??132.9 |
The result of co-toxicity test shows spiral shell worm ethyl ester and abamectin compounded 100: 1-1: in 40 ratio ranges, the control of cucumber Bemisia tabaci is had synergistic effect, especially 20: 1-1: in 20 scopes, CTC is greater than 180, and synergistic effect is remarkable.
2, spiral shell worm ethyl ester and first dimension salt is composite to the black peach aphid joint toxicity measuring
For trying object: black peach aphid, pick up from the Ya'an, Sichuan Province for the examination aphid.
Test medicine: the former medicine of 95% spiral shell worm ethyl ester (Bayer crop science company), the 90% first dimension former medicine of salt (Zhejiang favour photoproduction Co., Ltd)
Test method: with reference to " the agricultural industry criteria NY/T1154.7-2006 of the People's Republic of China (PRC) ".The culture dish of 9 centimetres of the diameters of cabbage leaves (with agar processings of preserving moisture) adopt is put in test, and every processing connects 5 wares, sprays under 15PSI pressure with the potter spray tower, sprays a ware at every turn, 2 milliliters of every ware spraying liquids, and blank sprays the equivalent clear water.Each processing is provided with 6-7 concentration gradient.Every ware inserts into 30 of aphids, and the culture dish of handling is put into 25 ℃, cultivates in the 12H/12H illumination box, checks after 72 hours and calculates lethality by dead borer population.Carry out statistical analysis with the DPS data processing software, calculate the LC of each medicament
50, estimate the activity of reagent agent to the examination worm with this.
It is co-toxicity coefficient (CTC) method that the synergy mode 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 percentage composition+B medicament ATI * mixture of A 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 spiral shell worm ethyl ester and the composite joint toxicity measuring of first dimension salt different proportion to black peach aphid
| Chemicals treatment | ??LC 50(mg/L) | ??ATI | ??TTI | ??CTC |
| Spiral shell worm ethyl ester | ??2.63 | ??100.0 | ||
| First dimension salt | ??0.81 | ??324.7 |
| Spiral shell worm ethyl ester 100: first dimension salt 1 | ??1.99 | ??132.2 | ??102.2 | ??129.3 |
| Spiral shell worm ethyl ester 60: first dimension salt 1 | ??1.63 | ??161.3 | ??103.7 | ??155.6 |
| Spiral shell worm ethyl ester 40: first dimension salt 1 | ??1.51 | ??174.2 | ??105.5 | ??165.1 |
| Spiral shell worm ethyl ester 20: first dimension salt 1 | ??1.29 | ??203.9 | ??110.7 | ??184.2 |
| Spiral shell worm ethyl ester 10: first dimension salt 1 | ??1.12 | ??234.8 | ??120.4 | ??195.0 |
| Spiral shell worm ethyl ester 5: first dimension salt 1 | ??0.93 | ??282.8 | ??137.4 | ??205.7 |
| Spiral shell worm ethyl ester 1: first dimension salt 1 | ??0.58 | ??453.4 | ??212.3 | ??213.5 |
| Spiral shell worm ethyl ester 1: first dimension salt 5 | ??0.47 | ??559.6 | ??287.2 | ??194.8 |
| Spiral shell worm ethyl ester 1: first dimension salt 10 | ??0.46 | ??571.7 | ??304.3 | ??187.9 |
| Spiral shell worm ethyl ester 1: first dimension salt 20 | ??0.45 | ??584.4 | ??314.0 | ??186.1 |
| Spiral shell worm ethyl ester 1: first dimension salt 40 | ??0.55 | ??478.2 | ??319.2 | ??149.8 |
The result of co-toxicity test shows that spiral shell worm ethyl ester and first dimension salt are composite 100: 1-1: in 40 ratio ranges, have synergistic effect, especially 20: 1-1: in 20 scopes, CTC is greater than 180, and synergistic effect is remarkable.
3, spiral shell worm ethyl ester and abamectin compounded field efficacy to the cucumber Bemisia tabaci
The field spray method is adopted in test, and the sub-district area is 20m
2, every processing repeats for three times.Select field insect pest zone uniformly, by the even field spray of experimental scheme dosage,, carry out the investigation of insect population radix before the dispenser, after dispenser 1 day, 3 days, 7 days investigation survival borer populations calculated preventive effect.With the clear water contrast lethality is proofreaied and correct.
Table 3 spiral shell worm ethyl ester and abamectin compounded field efficacy to the cucumber Bemisia tabaci
| Medicament | Effective ingredient consumption (g/hm 2) | 1 day preventive effect (%) | 3 days preventive effects (%) | 7 days preventive effects (%) |
| 240g/L spiral shell worm ethyl ester suspending agent | ??20 | ??80.6 | ??83.5 | ??82.7 |
| 1.8% abamectin emulsifiable concentrate | ??20 | ??78.4 | ??85.2 | ??83.6 |
| 50.5% spiral shell worm ethyl ester Avermectin water dispersible granules (embodiment 1) | ??20 | ??91.2 | ??92.4 | ??91.8 |
| 10.25% spiral shell worm ethyl ester Avermectin oil-suspending agent (embodiment 6) | ??20 | ??90.7 | ??94.3 | ??92.5 |
| 9% spiral shell worm ethyl ester Avermectin suspending agent | ??20 | ??94.6 | ??97.8 | ??95.4 |
| (embodiment 9) | ||||
| Contrast (clear water) | ??0 | ??0 | ??0 | ??0 |
Result of the test shows, spiral shell worm ethyl ester and abamectin compounded is used to prevent and treat the cucumber Bemisia tabaci and has effect preferably, and after the dispenser 1 day, the preventive effect of each compound drug was all more than 90%, greater than the preventive effect 78.4% of Avermectin; The preventive effect of 7 days each compound drugs is up to 95.4% still greater than 90% after the dispenser.Dispenser is the result show, spiral shell worm ethyl ester and abamectin compounded control to the cucumber Bemisia tabaci have synergistic effect, and lasting effect prolongs.
4, the composite field efficacy of spiral shell worm ethyl ester and first dimension salt to black peach aphid
The field spray method is adopted in test, chooses the field insect zone uniformly takes place, and each processing is chosen 3 strains as 3 repetitions, hanging test sign, investigation insect population radix.According to the dosage even spraying dispenser of experimental scheme, behind medicine 1 day, 3 days, 7 days investigation black peach aphid survival rates were carried out lethality with the clear water contrast and are proofreaied and correct.
Table 4 spiral shell worm ethyl ester and the composite field efficacy of first dimension salt to black peach aphid
| Medicament | Effective ingredient consumption (mg/Kg) | 1 day preventive effect (%) | 3 days preventive effects (%) | 7 days preventive effects (%) |
| 240g/L spiral shell worm ethyl ester suspending agent | ??40 | ??82.6 | ??84.3 | ??83.7 |
| 1% first dimension salt microcapsule suspending agent | ??20 | ??63.4 | ??69.2 | ??66.5 |
| 20.5% spiral shell worm ethyl ester emamectin benzoate water dispersible granule (embodiment 2) | ??40 | ??93.2 | ??96.5 | ??94.8 |
| 11% spiral shell worm ethyl ester first dimension salt wetting powder (embodiment 5) | ??40 | ??97.3 | ??99.1 | ??97.6 |
| 5.5% spiral shell worm ethyl ester first dimension salt microcapsule suspending agent (embodiment 11) | ??40 | ??94.1 | ??96.3 | ??95.5 |
| Contrast (clear water) | ??0 | ??0 | ??0 | ??0 |
Result of the test shows, spiral shell worm ethyl ester and first dimension salt are composite, is used to prevent and treat black peach aphid and has effect preferably, and after the dispenser 1 day, the preventive effect of each compound drug was all more than 90%, greater than the preventive effect 63.4% of first dimension salt; The preventive effect of 7 days each compound drugs is up to 97.6% still greater than 90% after the dispenser.Dispenser is the result show, spiral shell worm ethyl ester and the composite control to black peach aphid of first dimension salt have synergistic effect, and lasting effect prolongs.
5, spiral shell worm ethyl ester and abamectin compounded to the pear sucker field trial
The field spray method is adopted in test, chooses the field insect zone uniformly takes place, and each processing is chosen 3 strains as 3 repetitions, hanging test sign, investigation insect population radix.According to the dosage even spraying dispenser of experimental scheme, behind medicine 1 day, 3 days, 7 days investigation black peach aphid survival rates were carried out lethality with the clear water contrast and are proofreaied and correct.
Table 5 spiral shell worm ethyl ester and abamectin compounded field efficacy to pear sucker
| Medicament | Effective ingredient consumption (mg/Kg) | 1 day preventive effect (%) | 3 days preventive effects (%) | 7 days preventive effects (%) |
| 240g/L spiral shell worm ethyl ester suspending agent | ??45 | ??66.2 | ??68.1 | ??65.3 |
| 1.8% abamectin emulsifiable concentrate | ??25 | ??80.4 | ??85.5 | ??84.7 |
| 30.5% spiral shell worm ethyl ester Avermectin wetting powder (embodiment 4) | ??45 | ??90.6 | ??93.1 | ??91.6 |
| 21% spiral shell worm ethyl ester Avermectin suspending agent (embodiment 7) | ??45 | ??91.4 | ??93.8 | ??92.3 |
| 6% spiral shell worm ethyl ester avermectin microcapsule suspending agent (embodiment 10) | ??45 | ??94.5 | ??97.8 | ??95.2 |
| Contrast (clear water) | ??0 | ??0 | ??0 | ??0 |
Result of the test shows, spiral shell worm ethyl ester and abamectin compounded is used to prevent and treat pear sucker and has effect preferably, and after the dispenser 1 day, the preventive effect of each compound drug was all more than 90%, greater than the preventive effect 66.2% of spiral shell worm ethyl ester; The preventive effect of 7 days each compound drugs is up to 95.2% still greater than 90% after the dispenser.Dispenser is the result show, spiral shell worm ethyl ester and the abamectin compounded control that is used for pear sucker have synergistic effect, and lasting effect prolongs.
6, spiral shell worm ethyl ester and first dimension salt is composite to cowpea flower thrips field trial
The field spray method is adopted in test, and the sub-district area is 20m
2, every processing repeats for three times.Select field insect zone uniformly, by the even field spray of experimental scheme dosage,, carry out the investigation of insect population radix before the dispenser, after dispenser 1 day, 7 days investigation survival borer populations calculated preventive effect.With the clear water contrast lethality is proofreaied and correct.
Table 6 spiral shell worm ethyl ester and the composite field efficacy of first dimension salt to the cowpea flower thrips
| Medicament | Effective ingredient consumption (g/hm 2) | 1 day preventive effect (%) | 3 days preventive effects (%) | 7 days preventive effects (%) |
| 240g/L spiral shell worm ethyl ester suspending agent | ??20 | ??76.4 | ??79.7 | ??77.2 |
| 1% first dimension salt microcapsule suspending agent | ??20 | ??78.5 | ??83.3 | ??81.6 |
| 20.5% spiral shell worm ethyl ester emamectin benzoate water dispersible granule (embodiment 2) | ??20 | ??91.3 | ??94.2 | ??91.7 |
| 8.4% spiral shell worm ethyl ester first dimension salt missible oil (embodiment 3) | ??20 | ??92.4 | ??97.7 | ??96.5 |
| The salt suspension agent (embodiment 8) of 8% spiral shell worm ethyl ester first dimension | ??20 | ??93.2 | ??97.5 | ??95.8 |
| Contrast (clear water) | ??0 | ??0 | ??0 | ??0 |
Result of the test shows, spiral shell worm ethyl ester and first dimension salt are composite, is used to prevent and treat the cowpea flower thrips and has effect preferably, and after the dispenser 1 day, the preventive effect of each compound drug was all more than 90%, greater than the preventive effect 76.4% of spiral shell worm ethyl ester; The preventive effect of 7 days each compound drugs is up to 96.5% still greater than 90% after the dispenser.Dispenser is the result show, spiral shell worm ethyl ester and the composite control to the cowpea flower thrips of first dimension salt have synergistic effect, and lasting effect prolongs.
Claims (6)
1, a kind of Pesticidal combination is characterized in that active ingredient is spiral shell worm ethyl ester and another active component (B), and B is Avermectin or emamectin-benzoate.
2, Pesticidal combination according to claim 1, the mass ratio that it is characterized in that active ingredient spiral shell worm ethyl ester and active component B is 100: 1-1: 40.
3, Pesticidal combination according to claim 1 and 2 is characterized in that also containing auxiliary elements such as normally used solvent, auxiliary agent, carrier in the pesticidal preparations and is fit to the formulation that agricultural is used so that make.
4, Pesticidal combination according to claim 3 is characterized in that described formulation is wetting powder, suspending agent, oil-suspending agent, missible oil, microcapsule suspending agent and water dispersible granules.
5, Pesticidal combination according to claim 1 and 2 is characterized in that being used to prevent and treat agriculture various pests.
6,, it is characterized in that composition is used for the control of insects such as aphid, aleyrodid, thrips, wood louse according to claim 5.
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| WO2011134820A1 (en) * | 2010-04-27 | 2011-11-03 | Syngenta Participations Ag | Methods of controlling neonicotinoid resistant aphids |
| CN102742583A (en) * | 2012-07-23 | 2012-10-24 | 中国农业大学 | Insecticide composition for preventing and treating borers and preparation method as well as application thereof |
| CN103052317A (en) * | 2010-08-04 | 2013-04-17 | 住友化学株式会社 | Noxious arthropod control composition and noxious arthropod control method |
| CN103355326A (en) * | 2012-04-07 | 2013-10-23 | 陕西韦尔奇作物保护有限公司 | High-efficiency pesticide composition |
| CN106332892A (en) * | 2016-08-25 | 2017-01-18 | 安徽美兰农业发展股份有限公司 | Abamectin and spirotetramat compound suspending agent and preparation method thereof |
| CN106922691A (en) * | 2015-12-30 | 2017-07-07 | 江苏龙灯化学有限公司 | A kind of Pesticidal combination containing spiral shell worm ethyl ester Yu Ivermectin HCL |
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