CN103975945B - Crops broad spectrum disinfestation composition, pesticidal preparations, compound method and application - Google Patents
Crops broad spectrum disinfestation composition, pesticidal preparations, compound method and application Download PDFInfo
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- CN103975945B CN103975945B CN201410183927.3A CN201410183927A CN103975945B CN 103975945 B CN103975945 B CN 103975945B CN 201410183927 A CN201410183927 A CN 201410183927A CN 103975945 B CN103975945 B CN 103975945B
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- Prior art keywords
- rice
- broad spectrum
- pesticidal preparations
- imidaclothiz
- metaflumizone
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- 238000000034 method Methods 0.000 title claims abstract description 21
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Landscapes
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The present invention relates to a kind of crops broad spectrum disinfestation composition, pesticidal preparations, compound method and application.Said composition is made up of by weight 20:1-1:50 imidaclothiz and metaflumizone.This pesticidal preparations is made up of the said composition of 10-50% and the auxiliary element of surplus.Between component of the present invention, synergistic function is obvious, can expand insecticidal spectrum, can reduce effective ingredient consumption, reduces times for spraying, abridged edition saving of labor, also alleviates the pollution to environment simultaneously.
Description
Technical field
The present invention relates to a kind of crops broad spectrum disinfestation composition, application based on the pesticidal preparations of said composition, the compound method of this pesticidal preparations and this pesticidal preparations, belong to technical field of compounded pesticide.
Background technology
According to the applicant understood, after the malicious persistent pesticide of height is forbidden comprehensively, the long-term single repetition Use out of range of conventional dose, cause pest resistance day by day serious, produce the pest species of resistance also in continuous increase, and easily cause Practice for Pesticide Residue in Agricultural Products to exceed standard and the pollution of environment, peasant's drug cost increases.Therefore, research and development safety, efficient and the mechanism of action is different and have the novel built pesticide species of synergistic function, not only contributes to expanding insecticidal spectrum, delay the drug-fast generation of insect, and can be cost-saving, reduce the pollution to agricultural product and environment.
Applicant filters out imidaclothiz and metaflumizone two kinds of insecticides after in depth practical studies.
Imidaclothiz is a kind of thiazole heterocycle insecticides, and English name is imidaclothiz, and chemical name is 1-(the chloro-2-benzothiazolylmethyl of 5-)-N-Nitroimidazoline-2-base amine; Have tag, stomach toxicity and systemic action, there is wide spectrum, efficient, low toxicity, low-residual, insect not easily develop immunity to drugs, drug effect is by features such as temperature limitings; The mechanism of action is the nicotinic acetylcholine esterase acceptor in Selective depression insect nerve system, with the competitive binding that its generation is extremely strong, thus destroys the normal conduction of nervous centralis, has nerve conduction blocking effect to the synaptic receptor of insect.
Imidaclothiz is low toxicity to fish, is medium poison to birds, is high poison to honeybee, silkworm.To crop without poisoning, can be used for numerous crop pest control such as the flower thrips on paddy rice, vegetables, rice fulgorid, rice thrips, snout moth's larva, aphid.
Metaflumizone belongs to semicarbazones insecticides, english common name: metaflumizone, chemical name (IUPAC): (E+Z)-2-[2-(4-cyano group benzene)-1-(3-trifluoromethylbenzene) ethylidene]-N-(4-trifluomethoxybenzene) hydrazine carbonyl oxamides; Mainly killed off the insect pests by stomach toxicity and contact toxicity, metaflumizone has obvious control efficiency to the caste Lepidoptera and coleoptera that chew and sting food, and the kind as common has rice to indulge leaf snout moth's larva, beet armyworm, cotton bollworm, pink bollworm, imported cabbageworm, tomato moth, diamond-back moth, Hellula undalis, black cutworm, rice-stem borer etc.; The mechanism of action blocks the sodium-ion channel on insect neuron axon film, makes sodium ion not by axolemma, so inhibit nerve impulse to make polypide excessive loosen, benumb, after 15 minutes, namely insect stops taking food, death in 3 days.
Metaflumizone, to crop and beneficial organism high safety, can be hydrolyzed rapidly in water, very low to hydrobiological danger; To mammiferous eyes, no skin irritation, impassivity toxicity; To honeybee, birds low toxicity.
Summary of the invention
The goal of the invention that the present invention will realize is: overcome prior art Problems existing, provides a kind of crops broad spectrum disinfestation composition, has obvious synergistic function, can expand insecticidal spectrum between component; Pesticidal preparations based on said composition and compound method thereof are also provided, and the application of this pesticidal preparations.
The technology of the present invention design is as follows: study through systematicness test, applicant filters out imidaclothiz from numerous insecticides and metaflumizone carries out composite, prior to indoor, a large amount of proportioning screening tests is carried out to this binary built composition, find imidaclothiz and metaflumizone composite through science, within the scope of certain compound proportion, to striped rice borer, brown back rice plant hopper, diamond-back moth, vegetable aphid etc., there is obvious synergistic function; Again its suspending agent is used in field, as rice leaf roller, striped rice borer, rice fulgorid and wild cabbage diamond-back moth etc., there is good control efficiency to agriculture various pests, medication recruitment cost can be reduced, and to crop safety.
For achieving the above object, technical scheme of the present invention is as follows:
Crops broad spectrum disinfestation composition, is characterized in that, is made up of by weight 20:1-1:50 imidaclothiz and metaflumizone.
Preferably, the weight ratio of imidaclothiz and metaflumizone is 5:1-1:13.
More preferably, the weight ratio of imidaclothiz and metaflumizone is 1:1-5.
The present invention also provides:
Crops broad spectrum disinfestation pesticidal preparations, is characterized in that, is made up of following compositions in weight percentage:
The aforementioned crops broad spectrum disinfestation composition of 10-50%, surplus is auxiliary element.
Preferably, pesticidal preparations is suspending agent, and auxiliary element comprises dispersant, thickener, stabilizing agent, defoamer, bleeding agent, antifreezing agent, solvent.
More preferably, the percentage by weight of each component of auxiliary element in pesticidal preparations is:
More preferably, dispersant is at least one of sodium lignin sulfonate, calcium lignosulfonate, ethoxylated dodecyl alcohol sodium sulphate, alkylphenol polyoxyethylene sulfonate, alkyl naphthalene formaldehyde condensate sulfonates, neopelex, lauryl sulfate, potassium oleate, enuatrol, alkyl polyoxyethylene ether sulfonate, alkylphenol-polyethenoxy base ether formaldehyde condensation products, alkylphenol polyoxyethylene, polyoxyethylene nonylphenol ether, polyoxyethylene poly-oxygen propylene aether block copolymer, poly-second carboxylic esters sodium salt;
Thickener is at least one of xanthans, CMC, polyvinyl alcohol, methylcellulose;
Stabilizing agent is at least one of catechol, butyl glycidyl ether, linseed oil, sodium sorbate;
Antifreezing agent is at least one of ethylene glycol, glycerine, sorbierite, polyethylene glycol; Defoamer is hendecanoic acid or silicone oil; Bleeding agent is organosilicon; Solvent is deionized water.
The present invention also provides:
The compound method of aforementioned crops broad spectrum disinfestation pesticidal preparations, is characterized in that, pesticidal preparations is suspending agent; The method comprises the following steps: first add in solvent by the aforementioned crops broad spectrum disinfestation composition of percentage by weight 10-50%, then dispersant, thickener, stabilizing agent, defoamer, bleeding agent, antifreezing agent is added, after mixing, pesticidal preparations is obtained through wet pulverizing.
In addition, the present invention also provides:
Aforementioned crops broad spectrum disinfestation pesticidal preparations is used for the purposes of desinsection.Wherein, worm is rice-stem borer, rice fulgorid, diamond-back moth, vegetable aphid, rice leaf roller, rice thrips, cabbage caterpillar or beet armyworm.
Compared with prior art, beneficial effect of the present invention is as follows:
Imidaclothiz is different with the mechanism of action of metaflumizone to insect, has obvious synergistic function after composite by proportioning of the present invention, and is obviously better than imidaclothiz and metaflumizone single dose to the control efficiency of target pest, can delay the generation of pest resistance to insecticide simultaneously; Binary built composition of the present invention, can reduce effective ingredient consumption, reduces times for spraying, abridged edition saving of labor, also alleviates the pollution to environment simultaneously; Pesticidal preparations of the present invention can be used for Lepidoptera and the Homoptera class pests such as water prevention chilo suppressalis, rice fulgorid, diamond-back moth, vegetable aphid, rice leaf roller, rice thrips, cabbage caterpillar, beet armyworm, and insecticidal spectrum is wider.
Embodiment
1, raw material
Various embodiments of the present invention all adopt the former medicine of 95% (percentage by weight) imidaclothiz and the former medicine of 96% (percentage by weight) metaflumizone as active ingredient.
The percentage composition below occurred, if no special instructions, all refers to percentage by weight.
The mensuration of 2, indoor implementation result---imidaclothiz and metaflumizone Pesticidal combination co-toxicity coefficient
The method of agricultural industry criteria is adopted to measure imidaclothiz and the composite synergy to rice-stem borer, leaf-roller, brown planthopper and cabbage aphid (radish aphid) of metaflumizone.
Basic skills:
Chemicals treatment is checkout facility result after 72 hours.Control treatment does blank with the process not containing medicament (containing methanol solvate and Tween-80 emulsifier).Obtain virulence regression equation by DPS data handling system, calculate LC
50value and 95% confidence limit.Calculate co-toxicity coefficient (CTC) by the abundant method of Sun Yun, co-toxicity coefficient is obviously greater than 120 for synergistic effect, and be significantly less than 80 for antagonism, 80-120 is summation action.
Computational methods:
The percentage composition of A medicament in the poison exponent × mixture of the theoretical toxicity index=A medicament of mixture
The percentage composition of B medicament in the poison exponent × mixture of+B medicament
2.1, indoor embodiment 1
For examination target: rice-stem borer (ChilosuppressalisWalker) is for gathering striped rice borer pieces of an egg, indoor feeding in the rice seedling bed of Gaochun County, Jiangsu Province.
Condition of culture: indoor rice seedling is raised.Insectary temperature 28 ± 2 DEG C, relative moisture more than 70%, 14h illumination.Put into potted plant rice seedling in the foster worm net cage of 30cm × 30cm × 50cm, lay eggs for rice stem borer.By being sowed in wide-mouth bottle after the vernalization of rice paddy seed two line system, when rice seedling grows up to 5cm-8cm, access striped rice borer pieces of an egg or larva raising.The Chilo spp larvae getting 4 ages in days is tested.
Test process: first carry out preliminary experiment.According to preliminary experiment result, the built agent of single dose and different proportion is arranged 6 variable concentrations gradients, each treatment dosage establishes 4 repetitions, often repeats to connect 4 age in days Chilo spp larvae about 20.
Test method: leaching worm leaching rice seedling method.The rice seedling at about the 30 days length of time rice seedlings grow is cut into the rice straw of about 18cm, root stays a little rice root, cleans and dries, and soaks after 30 seconds and takes out, dry, put into the test tube of 3cm × 20cm, have little water at the bottom of pipe in liquid.The 4 age in days Chilo spp larvaes of raising are put into leaching worm cage, leaching liquid took out after 30 seconds, blotted the liquid on polypide surface, and careful immigration is placed with in the test tube of the rice seedling of respective concentration process, and black cloth seals, and is statically placed in breeding observing in insectary.Test with reference to " People's Republic of China (PRC) agricultural industry criteria NY/T1154.7-2006, farm-chemical indoor determination test rule insecticide the 7th part: the synergy of mixture measures ".
Table 1 imidaclothiz and the composite synergy measurement result to rice-stem borer of metaflumizone
Note: A-imidaclothiz B-metaflumizone (following table is identical therewith)
The present embodiment measurement result is in table 1, as can be seen from Table 1, imidaclothiz and metaflumizone press 3:1,2:1,1:1,1:2,1:3,1:4 and 1:5 composite after, to rice-stem borer 4 day old larva virulence higher than single dose imidaclothiz and single dose metaflumizone, co-toxicity coefficient is all greater than 120, show that binary compound insecticidal composition of the present invention has obvious synergistic function, in these seven proportionings, the highest with the co-toxicity coefficient of 1:2,1:3 and 1:4 tri-proportionings again, co-toxicity coefficient is greater than 180, and synergistic effect is the most remarkable.
2.2, indoor embodiment 2
For examination target: brown planthopper
for gathering brown planthopper adult, nymph in rice test field, Jiangsu Province Agriculture Science Institute, indoor rice seedlings is raised.
Condition of culture: insectary temperature 28 ± 2 DEG C, relative moisture more than 70%, every day 14 h light.Be sowed at after accelerating germination of rice seed in the plastic box of 20cm × 30cm, when rice growth is to more than 10cm, raise brown planthopper nymph to adult.The potted plant rice plant without rice fulgorid worm's ovum is put into the foster worm net cage of 30cm × 30cm × 50cm, connect oogenesis female adult pest and lay eggs 2 days to 3 days, take out rice seedling, then the rice plant changed without worm's ovum is in box for feeding pests.After the brown planthopper egg hatching in the rice strain of taking out in box for feeding pests, the brown planthopper nymph of at every turn getting 3 ages in days is tested.
Test process: first carry out preliminary experiment.According to preliminary experiment result, the built agent of single dose and different proportion is arranged 6 variable concentrations gradients, each treatment dosage establishes 4 repetitions, often repeats to connect brown planthopper 3 age in days nymph about 50.
Test method: rice-stem dipping method.Choose the cut phase rice plant of warm indoor culture, grub out and get, clean, be cut into and be about the long band root rice stem of 10cm, dry in the air in shady and cool place stand-by without washmarking to surface.Ready rice stem was flooded for 30 seconds in liquid, take out, slightly dry, encase root moisturizing with wet absorbent cotton, outsourcing preservative film, be placed in the test tube of 3cm × 20cm, often pipe 1, every effective pest sucking device sucks brown planthopper 3 age in days nymph about 50, and black cloth seals, and is statically placed in breeding observing in insectary.Test with reference to " People's Republic of China (PRC) agricultural industry criteria NY/T1154.11-2008, farm-chemical indoor determination test rule insecticide the 11st part: rice-stem dipping method ".
Table 2 imidaclothiz and the composite synergy measurement result to Brown Planthopper of metaflumizone (3 age nymph)
The present embodiment measurement result is in table 2, as can be seen from Table 2, imidaclothiz and metaflumizone press 3:1,2:1,1:1,1:2,1:3,1:4 and 1:5 composite after, to brown planthopper 3 age in days nymph virulence higher than single dose metaflumizone, co-toxicity coefficient is all greater than 140, show that binary compound insecticidal composition of the present invention has obvious synergistic function, in these seven proportionings, the highest with the co-toxicity coefficient of 1:1,1:2,1:3,1:4 and 1:5 five proportionings again, co-toxicity coefficient is greater than 170, and synergistic effect is the most remarkable.
2.3, indoor embodiment 3
For examination target: diamond-back moth (PlutellaxylostellaL.).In Nanjing Suburb wild cabbage vegetable fields, gather diamond-back moth height instar larvae and pupa some, indoor wild cabbage captive breeding.
Condition of culture: insectary temperature 26 ± 2 DEG C, relative moisture is in about 70%, 14h illumination.The potted plant wild cabbage without worm's ovum is put in the foster worm net cage of 30cm × 30cm × 50cm, pickles chrysalis is put into foster worm net cage, let alone to sprout wings, mating lay eggs on wild cabbage, within two days, take out the wild cabbage of supporting in worm net cage afterwards and put into another foster worm net cage hatching breeding, and the potted plant wild cabbage put in the foster worm net cage having pupa and adult without worm's ovum supplies to continue to lay eggs.Get 2 initial stage in age diamondback moth larvaes to test at every turn.
Test process: first carry out preliminary experiment.According to preliminary experiment result, the built agent of single dose and different proportion is arranged 6 variable concentrations gradients, each treatment dosage establishes 4 repetitions, often repeats to connect 2 initial stage in age diamondback moth larvae about 20.
Test method: leaf dipping method.Choose the cabbage leaves without worm's ovum not contacting any medicament some, be cut into 4cm × 4cm size, soaked for 10 seconds in the liquid prepared, taking-up is dried, put into the plastic cup being lined with moisturizing filter paper, move with writing brush and connect 2 initial stage in age diamondback moth larvaes in the plastic cup that cabbage leaves is housed, every glass about 20, black cloth seals, and is statically placed in breeding observing in insectary.Test with reference to " People's Republic of China (PRC) agricultural industry criteria NY/T1154.7-2006, farm-chemical indoor determination test rule insecticide the 7th part: the synergy of mixture measures ".
Table 3 imidaclothiz and the composite synergy measurement result to diamond-back moth of metaflumizone
The present embodiment measurement result is in table 3, as can be seen from Table 3, imidaclothiz and metaflumizone press 3:1,2:1,1:1,1:2,1:3,1:4 and 1:5 composite after, to wild cabbage diamond-back moth 2 Initial instar larvae in age virulence apparently higher than single dose imidaclothiz, the co-toxicity coefficient of 1:1,1:2,1:3,1:4 and 1:5 five proportionings is all greater than 130, show that binary compound insecticidal composition of the present invention has obvious synergistic function, in these five proportionings, again with the co-toxicity coefficient of 1:3,1:4 and 1:5 tri-proportionings about 150, synergistic effect is the most remarkable.
2.4, indoor embodiment 4
For examination target: radish aphid (Lipaphiserysimi (Kaltenbach)) is for gathering the cabbage leaves of band aphid in the wild cabbage vegetable fields of Nanjing Suburb Jiangsu Province Agriculture Science Institute.
Condition of culture: insectary temperature 28 ± 2 DEG C, relative moisture more than 70%, 14h illumination.
Test process: first carry out preliminary experiment.According to preliminary experiment result, the built agent of single dose and different proportion is arranged 6 variable concentrations gradients, each treatment dosage establishes 4 repetitions, select if often repeat 2 age aphid about 50.
Test method: infusion process (leaching leaf leaching worm).Field gathers the cabbage leaves of band aphid in indoor, often opening blade, to choose body colour close, if of the same size 2 age aphid about 50 be one group, aphid soaked for 10 seconds together with cabbage leaves in the liquid prepared, and took out, blotted unnecessary liquid with blotting paper, put into diameter 6cm, in the plastic cup of high 10cm, with black cloth sealing, be statically placed in breeding observing in insectary.Test with reference to " People's Republic of China (PRC) agricultural industry criteria NY/T1154.7-2006, farm-chemical indoor determination test rule insecticide the 7th part: the synergy of mixture measures ".
Table 4 imidaclothiz and the composite synergy measurement result to vegetable aphid (radish aphid) of metaflumizone
The present embodiment measurement result is in table 4, as can be seen from Table 4, imidaclothiz and metaflumizone press 3:1,2:1,1:1,1:2,1:3,1:4 and 1:5 composite after, to wild cabbage vegetable aphid (radish aphid) if 2 age aphid virulence apparently higher than single dose metaflumizone, co-toxicity coefficient is all greater than 120, show that binary compound insecticidal composition of the present invention has obvious synergistic function, in these seven proportionings, the most remarkable with the synergistic effect of 1:2,1:3,1:4 and 1:5 tetra-proportionings again, co-toxicity coefficient is greater than 170.
3, the preparation of pesticidal preparations
3.1, preparation example 1---10% imidaclothiz-metaflumizone suspending agent
Each constituent content (by weight) is: imidaclothiz 5%, metaflumizone 5%, dispersant sodium lignin sulfonate 6%, wetting agent alkylphenol polyoxyethylene phosphate 4%, thickener xanthans 0.2%, stabilizing agent Catechol 2 %, defoamer silicone oil 1%, bleeding agent organosilicon 2%, antifreeze glycol 3%, deionized water supplies 100%.
First imidaclothiz and metaflumizone are added in deionized water, add dispersant, thickener, stabilizing agent, defoamer, bleeding agent, antifreezing agent again, mix in mixing kettle, then carry out one colloid mill, two road sand milling operations, make particle diameter all below 5 μm.
3.2, preparation example 2---20% imidaclothiz-metaflumizone suspending agent
Each constituent content (by weight) is: imidaclothiz 5%, metaflumizone 15%, dispersant lauryl alcohol polyethylene glycol oxide base ether sodium sulfate 10%, thickener CMC 3%, stabilizing agent butyl glycidyl ether 2.5%, defoamer silicone oil 1%, bleeding agent organosilicon 2%, antifreezing agent glycerine 3%, deionized water supplies 100%.
First imidaclothiz and metaflumizone are added in deionized water, add dispersant, thickener, stabilizing agent, defoamer, bleeding agent, antifreezing agent again, mix in mixing kettle, then carry out one colloid mill, two road sand milling operations, make particle diameter all below 5 μm.
3.3, preparation example 3---25% imidaclothiz-metaflumizone suspending agent
Each constituent content (by weight) is: imidaclothiz 5%, metaflumizone 20%, dispersant alkylphenol polyoxyethylene sulfonate 10%, thickener polyvinyl alcohol 2%, stabilizing agent linseed oil 2%, defoamer hendecanoic acid 1%, bleeding agent organosilicon 9%, antifreezing agent sorbierite 3%, deionized water supplies 100%.
First imidaclothiz and metaflumizone are added in deionized water, add dispersant, thickener, stabilizing agent, defoamer, bleeding agent, antifreezing agent again, mix in mixing kettle, then carry out one colloid mill, two road sand milling operations, make particle diameter all below 5 μm.
3.4, preparation example 4---50% imidaclothiz-metaflumizone suspending agent
Each constituent content (by weight) is: imidaclothiz 5%, metaflumizone 45%, dispersant alkylphenol polyoxyethylene sulfonate 6%, block compound 4%, thickener polyvinyl alcohol 0.2%, stabilizing agent linseed oil 2%, defoamer hendecanoic acid 1%, bleeding agent organosilicon 9%, antifreezing agent sorbierite 3%, deionized water supplies 100%.
First imidaclothiz and metaflumizone are added in deionized water, add dispersant, thickener, stabilizing agent, defoamer, bleeding agent, antifreezing agent again, mix in mixing kettle, then carry out one colloid mill, two road sand milling operations, make particle diameter all below 5 μm.
4, field implementation result
The field control effectiveness test of 4.1, field trial example 1---25% imidaclothiz-metaflumizone suspending agent water prevention chilo suppressalis
5% imidaclothiz, 20% metaflumizone suspending agent carry out the test of pesticide effectiveness in field to rice-stem borer.
Test is carried out in the paddy field in Huang Jian town, Yancheng City Tinghu District, Jiangsu Province, and rice varieties is " Huaidao 9 ", mechanized planting.
During medication, paddy rice is in cut heading stage, and striped rice borer is in ovum and incubates instar larvae phase Sheng phase to 1.Plot area 33m
2, test repetition four times, random district group arranges, with workers and peasants 16 type back carried hand compression sprayer spraying control, water consumption 750kg/ hectare.
With reference to the Ministry of Agriculture " pesticide field efficacy medicine test criterion ", do not look into radix before dispenser, after medicine 26 days, investigate, adopt parallel great-jump-forward investigate during investigation, Gong Cha200 cave, every community when blank damage symptom is obvious, investigation dead ears number, shells and looks into borer population alive.The total spike number separately looking into 10 cave paddy rice is 121 fringes, and calculating every community with this, to investigate total spike number be 2420 fringes.
Control efficiency is by following formulae discovery
Table 525% imidaclothiz-metaflumizone suspending agent water prevention chilo suppressalis field test results
The field control effectiveness test of 4.2, field trial example 2---25% imidaclothiz-metaflumizone suspending agent control rice leaf roller
5% imidaclothiz, 20% metaflumizone suspending agent carry out the test of pesticide effectiveness in field to rice leaf roller.
Test is carried out in the paddy field of proving ground, Baima, Lishui, Nanjing, Jiangsu Province Agriculture Science Institute, and rice varieties be " southern round-grained rice 5055 ", May 21 seeding and seedling raising, artificial transplanting on June 22, seeding row spacing is 15cm × 30cm.
During medication, paddy rice is in booting stage, and rice leaf roller for egg hatching peak, has a small amount of leaf roll on the occasion of five (3), and indivedual larva is in the 1-2 length of time.Water consumption 750kg/ hectare, under adopting city, SX-MD18D knapsack electric sprayer evenly sprays.Separately establish blank, test repetition 4 times, plot area 40m2, random district group arranges.
With reference to the Ministry of Agriculture " pesticide field efficacy medicine test criterion ", before dispenser, do not look into radix, after medicine 15 days, investigate when blank damage symptom is obvious, during investigation, adopt parallel great-jump-forward to investigate, often some investigation 5 points, often 5 caves, the leaf roll number of 25 cave paddy rice is investigated in full community, and borer population alive is looked in stripping.Another investigation 25 cave paddy rice, average every cave 20.5 strain, average every strain has 5.3, blade, and total number of sheets average out to 2716.25 leaf of Ze Mei community investigation, calculates the leaf roll rate of each treatment region with this.
Control efficiency is by following formulae discovery
Table 625% imidaclothiz-metaflumizone suspending agent control rice leaf roller field test results
The field control effectiveness test of 4.3, field trial example 3---25% imidaclothiz-metaflumizone suspending agent water prevention rice fulgorid
5% imidaclothiz, 20% metaflumizone suspending agent carry out the test of pesticide effectiveness in field to water rice hopper.
Test, in Baima town, Nanjing Lishui County, is carried out in the paddy field of proving ground, Lishui, academy of agricultural sciences of Jiangsu Province.The rice varieties of plantation be " southern round-grained rice 5055 ", May 21 seeding and seedling raising, artificial transplanting on June 22, seeding row spacing is 15cm × 30cm.
During test, paddy rice is in booting stage, and the rice is doing well, and periphery is conventional transplanting land for growing field crops.During test medication, field rice fulgorid is in low instar nymphs peak period, and wherein brown planthopper is about 60%, and white-backed planthopper and small brown rice planthopper account for 40%.During test, field keeps 3-5cm water layer 5 days, the Zhu little ridge, each minizone, to prevent the crossfire with medicine water in field after medicine.Water consumption 750kg/ hectare, under adopting city, SX-MD18D knapsack electric sprayer evenly sprays.Separately establish blank, test repetition 4 times, plot area 40m
2, random district group arranges.
With reference to the Ministry of Agriculture " pesticide field efficacy medicine test criterion ", before medicine, look into radix, 2 days, 5 days, 10 days and the residual borer population of living of investigation in 15 days after medicine.Adopt parallel great-jump-forward dish to clap method sampling, every community is clapped and is looked into 10 points, often clap respectively look into 2 paddy rice rice stem middle and lower parts, cave plant hopper in ceramic whiteware dish, the total amount of statistics rice fulgorid.
Control efficiency is by following formulae discovery
Table 725% imidaclothiz-metaflumizone suspending agent control rice fulgorid field test results
The field control effectiveness test of 4.4, field trial example 4---25% imidaclothiz-metaflumizone suspending agent control wild cabbage diamond-back moth
5% imidaclothiz, 20% metaflumizone suspending agent carry out the test of pesticide effectiveness in field to diamond-back moth.
Test is being carried out in experimental field, In The East Suburb of Nanjing Jiangsu Province Agriculture Science Institute, and head cabbage varieties is " summer sweet 58 ".During medication, wild cabbage is in the lotus throne initial stage, and diamond-back moth is the 1-2 instar larvae phase.Plot area 20m
2, test repetition four times, random district group arranges, with " MATABI " knapsack hand sprayer spraying control, water consumption 750kg/ hectare.
With reference to the Ministry of Agriculture " pesticide field efficacy medicine test criterion ", before medicine, look into radix, 2 days, 5 days, 10 days and the residual borer population of living of investigation in 15 days after medicine.Adopt 5 samplings during investigation, look into 2 strains at often, every community is totally 10 strain wild cabbages, listing mark, investigates the whole worm amounts on every strain mark wild cabbage.
Control efficiency is by following formulae discovery
Table 825% imidaclothiz-metaflumizone suspending agent control wild cabbage diamond-back moth field test results
The result of the test of field trial example 1 to 4 shows:
(1) 25% imidaclothiz-metaflumizone suspending agent has good control efficiency to rice-stem borer, rice leaf roller, rice fulgorid and diamond-back moth, is obviously better than the control efficiency of imidaclothiz, metaflumizone single dose and routine administration agent.
(2) 25% imidaclothizs-metaflumizone suspending agent is used for paddy field control striped rice borer, rice leaf roller and rice fulgorid, significantly improve seedling protecting effect, insecticidal effect and lasting effect, when these three kinds of insects occur simultaneously, a dispenser can reach double and control object, reduce dosage, decrease times for spraying, abridged edition saving of labor.
In addition, applicant has also carried out security survey, irregularly observes at duration of test, and 25% imidaclothiz-metaflumizone suspending agent, to paddy rice and vegetable growth safety, has no poisoning phenomenon and occurs.
It should be noted that, applicant is in practical studies process, also carry out field controling test for the 10% imidaclothiz-metaflumizone suspending agent of preparation example 1, the 50% imidaclothiz-metaflumizone suspending agent of preparation example 4 respectively, its result of the test shows, they are the same with field trial example 1 to 4, all can realize good control efficiency and seedling protecting effect, and lasting effect are good, because length limit, list concrete test data no longer in detail herein.
In addition to the implementation, the present invention can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of application claims.
Claims (9)
1. crops broad spectrum disinfestation composition, is characterized in that, is made up of imidaclothiz and metaflumizone, and the weight ratio of described imidaclothiz and metaflumizone is 5:1-1:13.
2. crops broad spectrum disinfestation composition according to claim 1, it is characterized in that, the weight ratio of described imidaclothiz and metaflumizone is 1:1-5.
3. crops broad spectrum disinfestation pesticidal preparations, is characterized in that, is made up of following compositions in weight percentage: crops broad spectrum disinfestation composition described in the claim 1 or 2 of 10-50%, surplus is auxiliary element.
4. crops broad spectrum disinfestation pesticidal preparations according to claim 3, it is characterized in that, described pesticidal preparations is suspending agent, and described auxiliary element comprises dispersant, thickener, stabilizing agent, defoamer, bleeding agent, antifreezing agent, solvent.
5. crops broad spectrum disinfestation pesticidal preparations according to claim 4, it is characterized in that, the percentage by weight of each component of described auxiliary element in pesticidal preparations is:
6. crops broad spectrum disinfestation pesticidal preparations according to claim 5, it is characterized in that, described dispersant is at least one of sodium lignin sulfonate, calcium lignosulfonate, ethoxylated dodecyl alcohol sodium sulphate, alkylphenol polyoxyethylene sulfonate, alkyl naphthalene formaldehyde condensate sulfonates, neopelex, lauryl sulfate, potassium oleate, enuatrol, alkylphenol-polyethenoxy base ether formaldehyde condensation products, alkylphenol polyoxyethylene, polyoxyethylene poly-oxygen propylene aether block copolymer, poly-second carboxylic esters sodium salt;
Described thickener is at least one of xanthans, CMC, polyvinyl alcohol, methylcellulose;
Described stabilizing agent is at least one of catechol, butyl glycidyl ether, linseed oil, sodium sorbate;
Described antifreezing agent is at least one of ethylene glycol, glycerine, sorbierite, polyethylene glycol; Described defoamer is hendecanoic acid or silicone oil; Described bleeding agent is organosilicon; Described solvent is deionized water.
7. the compound method of crops broad spectrum disinfestation pesticidal preparations described in claim 4 or 5 or 6, it is characterized in that, described pesticidal preparations is suspending agent; The method comprises the following steps: first add in solvent by the aforementioned crops broad spectrum disinfestation composition of percentage by weight 10-50%, then dispersant, thickener, stabilizing agent, defoamer, bleeding agent, antifreezing agent is added, after mixing, pesticidal preparations is obtained through wet pulverizing.
8. crops broad spectrum disinfestation pesticidal preparations described in claim 4 or 5 or 6 is used for the purposes of desinsection.
9. purposes according to claim 8, is characterized in that, described worm is rice-stem borer, rice fulgorid, diamond-back moth, vegetable aphid, rice leaf roller, rice thrips, cabbage caterpillar or beet armyworm.
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| EP0192060A1 (en) * | 1985-02-04 | 1986-08-27 | Nihon Bayer Agrochem K.K. | Heterocyclic compounds |
| CN1103065A (en) * | 1990-06-16 | 1995-05-31 | 日本农药株式会社 | Hydrazinecarboxamide derivatives, a process for production thereof, and uses thereof |
| CN101622996A (en) * | 2009-08-12 | 2010-01-13 | 深圳诺普信农化股份有限公司 | Insecticidal composition |
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| EP0192060A1 (en) * | 1985-02-04 | 1986-08-27 | Nihon Bayer Agrochem K.K. | Heterocyclic compounds |
| CN1103065A (en) * | 1990-06-16 | 1995-05-31 | 日本农药株式会社 | Hydrazinecarboxamide derivatives, a process for production thereof, and uses thereof |
| CN101622996A (en) * | 2009-08-12 | 2010-01-13 | 深圳诺普信农化股份有限公司 | Insecticidal composition |
| CN102630694A (en) * | 2012-03-31 | 2012-08-15 | 广西田园生化股份有限公司 | Ultralow-volume liquid containing metaflumizone and nicotine insecticide |
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