CN103563977B - Pesticide pest-killing composition containing propylene glycol alginate - Google Patents
Pesticide pest-killing composition containing propylene glycol alginate Download PDFInfo
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Abstract
The invention discloses a pesticide pest-killing composition containing propylene glycol alginate. The pest-killing composition comprises an active component A and an active component B, wherein the active component A is selected from propylene glycol alginate, the active component B is any one component selected from the following components: chlopyrifos, buprofezin, and dichlorvos, and the weight ratio of the component A to the component B is 1:80 to 40:1. The pesticide pest-killing composition has a synergy effect on a plurality of pests, which harm the agriculture production, thus the usage amount of pesticide is reduced, the pesticide residue amount on crops is decreased, the environmental pollution is relieved; besides, the composition is safe to livestock and people, has a good environmental compatibility, and the pests are not easy to generate a drug resistance.
Description
Technical field
The invention belongs to technical field of pesticide, relate to a kind of application of agricultural insecticide composition on crop pests containing propylene glycol alginate.
Background technology
Propylene glycol alginate (Propylene glycol alginate) molecular formula: (C
9h
14o
7) n, be the emulsified suspension be made up through emulsion process of marine algae extract, have contact toxicity to insect.
But in the real process of agricultural production, the problem that pest control the most easily produces is the generation of pest resistance to insecticide.Different cultivars composition carries out composite, is to prevent and treat the very common method of resistant insect.Heterogeneity is carried out composite, according to practical application effect, judge certain composite be synergy, add and or antagonism.In most cases, the composite effect of agricultural chemicals is all additive effect, really has synergy to lack, especially synergistic effect clearly, very high composite just less of co-toxicity coefficient.Study very much through the composite of inventor, find by propylene glycol alginate and chlopyrifos, Buprofezin, atgard mixed after can produce good synergistic effect, and not yet open about propylene glycol alginate and chlopyrifos, Buprofezin, atgard mixed relevant report.
Summary of the invention
The object of the invention is to propose to have synergistic function, use cost is low, preventive effect the is good agricultural insecticide composition containing propylene glycol alginate.
A kind of agricultural insecticide composition containing propylene glycol alginate, containing active components A and active component B, it is characterized in that: the weight ratio of active components A and active component B is 1 ︰ 80 ~ 40 ︰ 1, described active components A is selected from propylene glycol alginate, active component B is selected from chlopyrifos, Buprofezin, one in dichlorvos, active components A and the preferred weight ratio of active component B are 1 ︰ 60 ~ 20 ︰ 1, the weight ratio being more preferably propylene glycol alginate and chlopyrifos is 1 ︰ 40 ~ 1 ︰ 15, the weight ratio of propylene glycol alginate and Buprofezin is 1 ︰ 30 ~ 1 ︰ 1, the weight ratio of propylene glycol alginate and dichlorvos is 1 ︰ 50 ~ 1 ︰ 20, the weight ratio most preferably being propylene glycol alginate and chlopyrifos is 1 ︰ 30 ~ 1 ︰ 20, and the weight ratio of propylene glycol alginate and Buprofezin is 1 ︰ 20 ~ 1 ︰ 5, and the weight ratio of propylene glycol alginate and dichlorvos is 1 ︰ 45 ~ 1 ︰ 30.
The described agricultural insecticide composition containing propylene glycol alginate is for preventing and treating the application of crop pests, and described crops comprise cereal crops, legume crop, fiber crop, sugar [yielding, melon crop, fruits crop, dry fruit crop, hobby crop, root crop, oil crop, flower crop, medicinal crop, crop, green manure pasture crop; Described insect comprises aleyrodid, plant hopper, leafhopper, aphid, leaf miner, striped rice borer, paddy stem borer, rice leaf roller, leaf roller, beet armyworm, prodenia litura, cotton bollworm, oriental tobacco budworm, diamond-back moth, cabbage caterpillar, scale insect, ladybug, looper, stinkbug, thrips, rice gall midge, cutworm, base of a fruit moth, flea beetle, wireworm, mole cricket, Americal rice leaf miner, longicorn, caterpillar, rice plant skipper, arrowhead scales.
The weight ratio of active components A, active component B is 1 ︰ 80 ~ 40 ︰ 1.In usual composition, the weight percentage of active component is 0.5% ~ 90% of gross weight, is preferably 5% ~ 80%.According to different preparation types, active component content scope is different.Usually, liquid preparation contains the active substance of by weight 1% ~ 70%, is preferably 5% ~ 50%; Solid pharmaceutical preparation contains the active substance of by weight 5% ~ 80%, is preferably 10% ~ 80%.
At least containing a kind of surfactant in Pesticidal combination of the present invention, the dispersion of active component in water when being beneficial to use.Surface-active contents is 5% ~ 30% of total formulation weight amount, and surplus is solid or liquid diluent.
Surfactant selected by Pesticidal combination of the present invention is known in those skilled in the art: can be selected from one or more in dispersant, wetting agent, binding agent or defoamer.According to different dosage form, in preparation, disintegrant known in those skilled in the art, antifreeze etc. can also be contained.
Pesticidal combination of the present invention can by user before use through diluting or directly using.Its preparation can be prepared by common processing method known in those skilled in the art, after mixing with liquid flux or solid carrier by active substance, then add surfactant as one or more in dispersant, stabilizing agent, wetting agent, binding agent, defoamer etc.
Pesticidal combination of the present invention, can be processed into acceptable formulation on any agricultural chemicals on demand, wherein more excellent formulation is: wetting powder, water dispersible granules, suspending agent, aqueous emulsion, microemulsion, suspension emulsion, microcapsule suspending agent, microcapsule suspension-suspendinagent agent.
Composition comprises following constituent content when making wetting powder: active components A 0.1% ~ 40%, active component B 0.1% ~ 70%, dispersant 2% ~ 10%, wetting agent 2% ~ 10%, filler surplus.
Composition comprises following constituent content when making water dispersible granules: active components A 0.1% ~ 40%, active component B 0.1% ~ 70%, dispersant 3% ~ 12%, wetting agent 1% ~ 8%, disintegrant 1% ~ 10%, binding agent 0 ~ 8%, filler surplus.
Composition comprises following constituent content when making suspending agent: active components A 0.1% ~ 40%, active component B 0.1% ~ 50%, dispersant 2% ~ 10%, wetting agent 2% ~ 10%, defoamer 0.01% ~ 2%, thickener 0 ~ 2%, antifreeze 0 ~ 8%, deionized water add to 100%.
Composition comprises following constituent content when making aqueous emulsion: active components A 0.1% ~ 40%, active component B 0.1% ~ 50%, solvent 1% ~ 30%, emulsifier 1% ~ 15%, antifreeze 0 ~ 8%, thickener 0 ~ 2%, defoamer 0.01% ~ 2%, deionized water add to 100%.
Composition comprises following constituent content when making microemulsion: active components A 0.1% ~ 40%, active component B 0.1% ~ 50%, solvent 1% ~ 20%, emulsifier 3% ~ 25%, antifreeze 0 ~ 8%, defoamer 0.01% ~ 2%, deionized water add to 100%.
Composition comprises following constituent content when making suspension emulsion: active components A 0.1% ~ 40%, active component B 0.1% ~ 50%, dispersant 2% ~ 10%, defoamer 0.01% ~ 2%, solvent 1% ~ 15%, thickener 0 ~ 2%, emulsifier 2% ~ 12%, antifreeze 0 ~ 8%, deionized water add to 100%.
Composition comprises following constituent content when making microcapsule suspending agent: active components A 0.1% ~ 40%, active component B 0.1% ~ 50%, macromolecule cyst material 2% ~ 10%, dispersant 1% ~ 10%, solvent 1% ~ 10%, emulsifier 1% ~ 7%, defoamer 0.01% ~ 2%, pH adjusting agent 0.01% ~ 5%, deionized water add to 100%.
Composition comprises following constituent content when making microcapsule suspension-suspendinagent agent: active components A 0.1% ~ 40%, active component B 0.1% ~ 50%, macromolecule cyst material 2% ~ 12%, dispersant 1% ~ 12%, wetting agent 1% ~ 8%, solvent 1% ~ 15%, emulsifier 1% ~ 6%, defoamer 0.01% ~ 2%, thickener 0 ~ 2%, pH adjusting agent 0.01% ~ 5%, deionized water add to 100%.
Wetting powder the key technical indexes of the present invention:
Water dispersible granules the key technical indexes of the present invention:
Suspending agent the key technical indexes of the present invention:
Aqueous emulsion the key technical indexes of the present invention:
Microemulsion the key technical indexes of the present invention:
Suspension emulsion the key technical indexes of the present invention:
Microcapsule suspending agent the key technical indexes of the present invention:
Microcapsule suspension-suspendinagent agent the key technical indexes of the present invention:
The invention has the advantages that:
(1) propylene glycol alginate and chlopyrifos, Buprofezin, dichlorvos, carbaryl composite after, there is obvious synergy and lasting effect, (2) to cereal crops, legume crop, fiber crop, sugar [yielding, melon crop, fruits crop, dry fruit crop, hobby crop, root crop, oil crop, flower crop, medicinal crop, crop, the aleyrodid of green manure pasture crop, plant hopper, leafhopper, aphid, leaf miner, striped rice borer, paddy stem borer, rice leaf roller, leaf roller, beet armyworm, prodenia litura, cotton bollworm, oriental tobacco budworm, diamond-back moth, cabbage caterpillar, scale insect, ladybug, looper, stinkbug, thrips, rice gall midge, cutworm, base of a fruit moth, flea beetle, wireworm, mole cricket, Americal rice leaf miner, longicorn, caterpillar, rice plant skipper, arrowhead scales etc. all have greater activity, (3) decrease pesticide usage amount, reduce the residual quantity of agricultural chemicals on crop, alleviate environmental pollution, (4) to person poultry safety, Environmental compatibility is good, and preparation adhesion strength strengthens, resistance of rainwater washing against.
Embodiment
Below in conjunction with embodiment to further instruction of the present invention, the percentage in embodiment is all weight percentage, but the present invention is not limited thereto.
Application Example one
Example 1 ~ 10 wetting powder
Propylene glycol alginate, active component B, dispersant, wetting agent, filler are mixed in mixed cylinder, mixes again after airslide disintegrating mill is pulverized, wetting powder product of the present invention can be obtained, specifically in table 1,2.
Table 1 example 1 ~ 5 component and content
Table 2 example 6 ~ 10 component and content
Example 11 ~ 20 water dispersible granules
Propylene glycol alginate, active component B, dispersant, wetting agent, disintegrant, filler etc. are obtained together the particle diameter needed through air-flow crushing, then add other auxiliary agents such as binding agent (can add and can not add), obtain granulation materials.Item is quantitatively sent in fluidized bed granulating dryer through granulating and after drying, water dispersible granules product of the present invention can being obtained, specifically in table 3,4.
Table 3 example 11 ~ 15 component and content
Table 4 example 16 ~ 20 component and content
Example 21 ~ 30 suspending agent
By dispersant, wetting agent, defoamer, thickener (can add and can not add), antifreeze (can add and can not add), mix through high speed shear, add propylene glycol alginate, active component B, ball milling 2 ~ 3 hours in ball mill, make diameter of particle all below 5 μm, surplus deionized water is supplied, and can obtain suspending agent product of the present invention, specifically in table 5,6.
Table 5 example 21 ~ 25 component and content
Table 6 example 26 ~ 30 component and content
Example 31 ~ 40 aqueous emulsion
Propylene glycol alginate, active component B, solvent, emulsifier are added together, make to be dissolved into homogeneous oil phase; Deionized water, antifreeze (can add and can not add), thickener (can add and can not add), defoamer are mixed, becomes homogeneous aqueous phase.Under high velocity agitation, aqueous phase is added oil phase, surplus deionized water is supplied; Aqueous emulsion product of the present invention can be obtained, specifically in table 7,8.
Table 7 example 31 ~ 35 component and content
Table 8 example 36 ~ 40 component and content
Example 41 ~ 45 microemulsion
Propylene glycol alginate, active component B are dissolved in and are equipped with in the homogenizer of solvent, emulsifier, antifreeze (can add and can not add), defoamer are joined in the homogenizer that above-mentioned solution is housed, surplus deionized water gives strong mixing and homogenize after supplying, finally obtain the microemulsion product of the present invention that clear appearance is transparent.Specifically in table 9.
Table 9 example 41 ~ 45 component and content
Example 46 ~ 50 suspension emulsion
Dispersant, defoamer, thickener (can add and can not add), antifreeze (can add and can not add) are mixed through high speed shear, add propylene glycol alginate, ball milling 2 ~ 3 hours in ball mill, make diameter of particle all below 5 μm, obtained propylene glycol alginate suspending agent, then by active component B, emulsifier, solvent and the direct emulsification of various auxiliary agent high speed agitators in suspending agent, obtained suspension emulsion product of the present invention.Specifically in table 10.
Table 10 example 46 ~ 50 component and content
Table 1 ~ 10 Chlorpyrifos, Buprofezin, dichlorvos are exchanged, can novel formulation be obtained.
Example 51 ~ 53 microcapsule suspending agent
By propylene glycol alginate, active component B, macromolecule cyst material, solvent, make to be dissolved into homogeneous oil phase, in a shear condition, oil phase is joined in the aqueous phase solution containing emulsifier, pH adjusting agent, dispersant, defoamer, surplus deionized water is supplied, and bi-material reacts at oil-water interfaces, forms macromolecule cyst wall, make the finely disseminated microcapsule suspending agent product of the present composition, specifically in table 11.
Table 11 example 51 ~ 53 component and content
Example 54 ~ 56 microcapsule suspension-suspendinagent agent
By active component B, macromolecule cyst material, solvent, make to be dissolved into homogeneous oil phase, oil phase is joined in a shear condition in the aqueous phase solution containing emulsifier, pH adjusting agent, make finely disseminated microcapsule suspending agent.Defoamer, thickener (can add and can not add) are mixed through high speed shear, add propylene glycol alginate, ball milling 2 ~ 3 hours in ball mill, make diameter of particle all below 5 μm, obtained suspending agent, then join in the aqueous phase solution of micro-capsule suspension by suspending agent, deionized water supplies surplus, make the finely disseminated microcapsule suspension-suspendinagent agent product of the present composition, specifically in table 12.
The each component of table 12 embodiment 54 ~ 56 and weight portion
The embodiment of the present invention is the method adopting Toxicity Determination and field trial to combine.First pass through Toxicity Determination, co-toxicity coefficient (CTC) after clear and definite two kinds of medicaments are composite by a certain percentage, CTC < 80 is antagonism, 80≤CTC≤120 are summation action, CTC > 120 is synergistic effect, on this basis, then carry out field trial.
Test method: respectively the mother liquor of each mixed agent is diluted to five series concentration during test, is placed in beaker respectively for subsequent use.Adopt the method connecing worm after first soaking leaf, take out after the blade of the same size not contacting any medicament is soaked 5s in the liquid configured, naturally dry, put into insect box, then connect for examination larva, raise under 25 DEG C of conditions, often process and repeat for 3 times, often repeating examination borer population used is 50, establishes blank simultaneously, checks dead borer population in 72h, calculate lethality and corrected mortality, try to achieve virulence regression equation and calculate LC50 value.If contrast lethality is greater than 10%, be then considered as invalid test.Computing formula is as follows:
Insect corrected mortality is converted into probit value (y), and concentration for the treatment of (μ g/ml) converts logarithm value to (x), draws virulence regression equation, and calculate the value of often kind of medicament thus with method of least squares.Co-toxicity coefficient CTC is calculated according to the abundant equation of Sun Yun.Computing formula following (take propylene glycol alginate as standard agent, its toxicity index is 100):
TI × the P of theoretical toxicity index (the TTI)=propylene glycol alginate of M
propylene glycol alginatetI × the P of+effective active composition B
effective active compositionb
In formula: M is the mixture of different ratio
P
effective active compositionb is the shared in the composition ratio of effective active composition B
P
propylene glycol alginatefor the ratio that propylene glycol alginate is shared in the composition
B is selected from the one in chlopyrifos, Buprofezin, dichlorvos, carbaryl.
Application Example two:
For examination insect: rice hoppers
Test medicine provides by Shaanxi Meibang Pesticide Co., Ltd..
Experimental scheme: through effective lethal concentration scope of preliminary experiment determination propylene glycol alginate and the former medicine of chlopyrifos and the two different ratio mixture.
Toxicity test result
Table 13 propylene glycol alginate and chlorpyrifos mixture are to the toxicity test analysis of results table of rice hoppers
As shown in Table 13, propylene glycol alginate and chlorpyrifos mixture prevent and treat the proportioning of rice hoppers when 1 ︰ 80 ~ 40 ︰ 1, co-toxicity coefficient is all greater than 120, both explanations mixture in 1 ︰ 80 ~ 40 ︰ 1 scope all shows synergistic effect, when the proportioning of propylene glycol alginate and chlopyrifos is at 1 ︰ 40 ~ 1 ︰ 10, synergistic effect is more outstanding, co-toxicity coefficient is all greater than 230, testing through applicant the optimum ratio finding propylene glycol alginate and chlopyrifos is 1:10, 1:15, 1:16, 1:17, 1:18, 1:19, 1:20, 1:21, 1:22, 1:23, 1:24, 1:25, 1:26, 1:27, 1:28, 1:29, 1:30, 1:35, 1:40, wherein when propylene glycol alginate and chlopyrifos weight ratio are 1 ︰ 24, co-toxicity coefficient is maximum, synergistic effect is the most obvious.
Application Example three
For examination insect: tea tree tea lesser leafhopper
Test medicine provides by Shaanxi Meibang Pesticide Co., Ltd..
Experimental scheme: through effective lethal concentration scope of preliminary experiment determination propylene glycol alginate and the former medicine of Buprofezin and the two different ratio mixture.
Table 14 propylene glycol alginate and buprofezin compound are to the toxicity test analysis of results table of tea tree tea lesser leafhopper
As shown in Table 14, propylene glycol alginate and buprofezin compound prevent and treat the proportioning of tea tree tea lesser leafhopper when 1 ︰ 80 ~ 40 ︰ 1, co-toxicity coefficient is all greater than 120, both explanations mixture in 1 ︰ 80 ~ 40 ︰ 1 scope all shows synergistic effect, when the proportioning of propylene glycol alginate and Buprofezin is at 1 ︰ 30 ~ 1 ︰ 1, synergistic effect is more outstanding, co-toxicity coefficient is all greater than 230, testing through applicant the optimum ratio finding propylene glycol alginate and Buprofezin is 1:1, 1:5, 1:6, 1:7, 1:8, 1:9, 1:10, 1:11, 1:12, 1:13, 1:14, 1:15, 1:16, 1:17, 1:18, 1:19, 1:20, 1:25, 1:30, wherein when propylene glycol alginate and Buprofezin weight ratio are 1 ︰ 12, co-toxicity coefficient is maximum, synergistic effect is the most obvious.
Application Example four
For examination insect: cabbage pieris
Test medicine provides by Shaanxi Meibang Pesticide Co., Ltd..
Experimental scheme: through effective lethal concentration scope of preliminary experiment determination propylene glycol alginate and the former medicine of dichlorvos and the two different ratio mixture
Table 15 propylene glycol alginate and the atgard mixed toxicity test analysis of results table to cabbage pieris
As shown in Table 15, the proportioning of propylene glycol alginate and atgard mixed control cabbage pieris is when 1 ︰ 80 ~ 40 ︰ 1, co-toxicity coefficient is all greater than 120, both explanations mixture in 1 ︰ 80 ~ 40 ︰ 1 scope all shows synergistic effect, when the proportioning of propylene glycol alginate and dichlorvos is at 1 ︰ 50 ~ 1 ︰ 20, synergistic effect is more outstanding, co-toxicity coefficient is all greater than 230, testing through applicant the optimum ratio finding propylene glycol alginate and dichlorvos is 1:20, 1:25, 1:30, 1:35, 1:36, 1:37, 1:38, 1:39, 1:40, 1:41, 1:42, 1:43, 1:44, 1:45, 1, 46, 1:47, 1:48, 1:49, 1:50, wherein when propylene glycol alginate and dichlorvos weight ratio are 1 ︰ 39, co-toxicity coefficient is maximum, synergistic effect is the most obvious.
Through test find: propylene glycol alginate and active component B composite after have obvious synergistic effect to the control of the aleyrodid in various crop, plant hopper, leafhopper, aphid, leaf miner, striped rice borer, paddy stem borer, rice leaf roller, leaf roller, beet armyworm, prodenia litura, cotton bollworm, oriental tobacco budworm, diamond-back moth, cabbage caterpillar, scale insect, ladybug, looper, stinkbug, thrips, rice gall midge, cutworm, base of a fruit moth, flea beetle, wireworm, mole cricket, Americal rice leaf miner, longicorn, caterpillar, rice plant skipper, arrowhead scales, co-toxicity coefficient is all more than 120.
Test of pesticide effectiveness part test medicament is researched and developed by Shaanxi Meibang Pesticide Co., Ltd., is provided, contrast medicament 0.12% propylene glycol alginate suspending agent (commercial), 20% chlorpyrifos ec (commercial), 25% buprofezin suspension agent (commercial), 10% DDT EC (commercial).
Application Example five propylene glycol alginate and active component B and the composite control cabbage pieris test of pesticide effectiveness thereof
This test arrangement is at Xian District, Shanxi Province suburban area, and investigation cabbage pieris insect pest index before medicine, in the dispenser of insect pest initial stage of origination, 3 days, 7 days, 15 days investigation insect pest indexes after dispenser also calculate preventive effect.Result of the test is as follows:
Table 16 propylene glycol alginate and active component B and the composite control cabbage pieris test of pesticide effectiveness thereof
As can be seen from Table 16, propylene glycol alginate and active component B composite after effectively can prevent and treat cabbage pieris, control efficiency is all better than the preventive effect of single dose, and the preventive effect phase is long.In test scope of medication, target crop is had no adverse effects.
Application Example six propylene glycol alginate and active component B and compositely prevent and treat the rice hoppers test of pesticide effectiveness
This test arrangement is at Shaanxi Province's Hanzhong City, and investigation rice hoppers insect pest index before medicine, in the dispenser of insect pest initial stage of origination, 10 days, 20 days, 30 days investigation insect pest indexes after dispenser also calculate preventive effect.Result of the test is as follows:
Table 17 propylene glycol alginate and active component B and compositely prevent and treat the rice hoppers test of pesticide effectiveness
As can be seen from Table 17, propylene glycol alginate and active component B composite after effectively can prevent and treat rice hoppers, control efficiency is all better than the preventive effect of single dose, and the preventive effect phase is long.In test scope of medication, target crop is had no adverse effects.
Application Example seven propylene glycol alginate and active component B and the composite control tomato trialeurodes vaporariorum test of pesticide effectiveness thereof
This test arrangement is in Xi'an City, Shanxi Province, and investigation tomato trialeurodes vaporariorum insect pest index before medicine, in the dispenser of insect pest initial stage of origination, 3 days, 7 days, 15 days investigation insect pest indexes after dispenser also calculate preventive effect.Result of the test is as follows:
Table 18 propylene glycol alginate and active component B and the composite control tomato trialeurodes vaporariorum test of pesticide effectiveness thereof
As can be seen from Table 18, propylene glycol alginate and active component B composite after can effectively prevent and treat tomato trialeurodes vaporariorum, control efficiency is all better than the preventive effect of single dose, and the preventive effect phase is long.In test scope of medication, target crop is had no adverse effects.
Application Example eight propylene glycol alginate and active component B and the composite control Laphygma exigua Hubner test of pesticide effectiveness thereof
This test arrangement is in Xi'an City, Shanxi Province, and investigation Laphygma exigua Hubner insect pest index before medicine, in the dispenser of insect pest initial stage of origination, 3 days, 7 days, 15 days investigation insect pest indexes after dispenser also calculate preventive effect.Result of the test is as follows:
Table 19 propylene glycol alginate and active component B and the composite control Laphygma exigua Hubner test of pesticide effectiveness thereof
As can be seen from Table 19, propylene glycol alginate and active component B composite after effectively can prevent and treat Laphygma exigua Hubner, control efficiency is all better than the preventive effect of single dose, and the preventive effect phase is long.In test scope of medication, target crop is had no adverse effects.
Application Example nine propylene glycol alginate and active component B and the composite control tea tree tea lesser leafhopper test of pesticide effectiveness thereof
This test arrangement is in Ya'an, Sichuan Province, and investigation tea tree tea lesser leafhopper insect pest index before medicine, in the dispenser of insect pest initial stage of origination, 10 days, 20 days, 30 days investigation insect pest indexes after dispenser also calculate preventive effect.Result of the test is as follows:
Table 20 propylene glycol alginate and active component B and the composite control tea tree tea lesser leafhopper test of pesticide effectiveness thereof
As can be seen from Table 20, propylene glycol alginate and active component B composite after can effectively prevent and treat tea tree tea lesser leafhopper, control efficiency is all better than the preventive effect of single dose, and the preventive effect phase is long.In test scope of medication, target crop is had no adverse effects.
After draw through tests different local throughout the country, propylene glycol alginate and chlopyrifos, Buprofezin, atgard mixed rear to the aleyrodid in various crop, plant hopper, leafhopper, aphid, leaf miner, striped rice borer, paddy stem borer, rice leaf roller, leaf roller, beet armyworm, prodenia litura, cotton bollworm, oriental tobacco budworm, diamond-back moth, cabbage caterpillar, scale insect, ladybug, looper, stinkbug, thrips, rice gall midge, cutworm, base of a fruit moth, flea beetle, wireworm, mole cricket, Americal rice leaf miner, longicorn, caterpillar, rice plant skipper, the preventive effect of the common insect pests such as arrowhead scales is all more than 95%, be better than single dose preventive effect, synergistic effect is obvious.
Claims (5)
1. the agricultural insecticide composition containing propylene glycol alginate, effective active composition is active components A and active component B, it is characterized in that: the weight ratio of active components A and active component B is 1 ︰ 80 ~ 40 ︰ 1, described active components A is propylene glycol alginate, and active component B is selected from the one in chlopyrifos, dichlorvos.
2. the agricultural insecticide composition containing propylene glycol alginate according to claim 1, is characterized in that: the weight ratio of active components A and active component B is 1 ︰ 60 ~ 20 ︰ 1.
3. the agricultural insecticide composition containing propylene glycol alginate according to claim 2, is characterized in that:
The weight ratio of propylene glycol alginate and chlopyrifos is 1 ︰ 40 ~ 1 ︰ 15;
The weight ratio of propylene glycol alginate and dichlorvos is 1 ︰ 50 ~ 1 ︰ 20.
4. the agricultural insecticide composition containing propylene glycol alginate according to any one of claim 1 to 3, is characterized in that: composition makes wetting powder, water dispersible granules, suspending agent, aqueous emulsion, microemulsion, suspension emulsion, microcapsule suspending agent, microcapsule suspension-suspendinagent agent.
5. the agricultural insecticide composition containing propylene glycol alginate according to claim 4 is for preventing and treating aleyrodid on crops, plant hopper, leafhopper, aphid, leaf miner, striped rice borer, paddy stem borer, rice leaf roller, leaf roller, beet armyworm, prodenia litura, cotton bollworm, oriental tobacco budworm, diamond-back moth, cabbage caterpillar, scale insect, ladybug, looper, stinkbug, thrips, rice gall midge, cutworm, base of a fruit moth, flea beetle, wireworm, Americal rice leaf miner, longicorn, caterpillar, rice plant skipper, the purposes of arrowhead scales.
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