CN104322560A - Thiamethoxam and humic acid-containing pesticide synergistic composition - Google Patents

Thiamethoxam and humic acid-containing pesticide synergistic composition Download PDF

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Publication number
CN104322560A
CN104322560A CN201410488646.9A CN201410488646A CN104322560A CN 104322560 A CN104322560 A CN 104322560A CN 201410488646 A CN201410488646 A CN 201410488646A CN 104322560 A CN104322560 A CN 104322560A
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humic acid
diacloden
ethiprole
peanut
thiamethoxam
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CN201410488646.9A
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CN104322560B (en
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谢绪叶
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Nantong Zhengda Agrochemical Co ltd
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Abstract

The invention relates to a thiamethoxam and humic acid-containing pesticide synergistic composition, effective components comprises 0.5% ~ 2% by weight of thiamethoxam, 0.5 ~ 3% by weight of fipronil and 1% ~ 5% by weight of humic acid. The pesticide granule prepared by mixing the thiamethoxam, the fipronil and the humic acid can be used for control of peanut grub, can greatly improve the drug efficacy, reduces pesticide dosage per mu, reduces the use cost, prolongs duration time of drug efficacy, and can overcome the shortcoming that resistance is easy to produce due to a single agent.

Description

Containing the pesticide synergistic composition of Diacloden and humic acid
Technical field
The present invention relates to a kind of pesticide synergistic composition, specifically the pesticide synergistic composition of Diacloden, ethiprole and humic acid.
Background technology
Grub is the main soil insect of peanut of causing harm, and seedling stage, harm usually caused the disconnected ridge that is short of seedling, and was blooming between pod bearing period, gnaw fruit pin, the pod of peanut under ground portion, severe one causes ghost, generally can cause the peanut underproduction 20% ~ 40%, can 70% ~ 80% be reached time serious, even have no harvest.For the control of peanut grub, the contour malicious pesticide preparation pesticide-clay mixture of past custom Furadan, thimet, terbufos granule spreads fertilizer over the fields, unreasonable the using of high-toxic pesticide usually causes person poultry poisoning, and residue of pesticide are larger simultaneously, pollute environment and pod.Therefore, the Ministry of Agriculture announces No. 1586 bulletin, take to limit further by control measures to high-toxic pesticide, regulation stopped the application for registration and the production permit application that accept thimet from 15 days June in 2011, from 31 days October in 2013, stop the medicament selling and use containing terbufos composition.Therefore filter out low toxicity, the medicament that efficient, mu uses the low control peanut grub of cost is particularly important.
Diacloden, chemical name is: 3-(2-chloro-1,3-thiazole-5-ylmethyl)-5-methyl isophthalic acid, 3,5-oxadiazines-4-base fork (nitro) amine, be second generation anabasine insecticide, the mechanism of action is similar to first generation anabasine insecticides such as Imidacloprids, but has higher activity.To insect, there is stomach toxicity, tag, systemic action, the features such as speed of action is fast, the lasting period is long.Be mainly used at present anti-eliminating aphis, plant hopper, leafhopper, the sucking mouth parts such as aleyrodid insect.In controlling underground pest, its product mainly makes seed treatment seed dressing, " Diacloden seed dressing control peanut soil pest test of pesticide effectiveness " delivered as syndrome in Ganyu County Kingsoft town agricultural technology service center confirms, 70% Diacloden seed treatment dispersibles pulvis and mixes peanut kind and have peanut grub and control worm the effect of protective yield preferably.
Ethiprole, it is Phenylpyrazole insecticides, have stomach toxicity, tag and certain systemic action, main its mechanism of action of insect that hinders is the fluoride metabolism hindering insect γ-aminobutyric acid to control, and has very high insecticidal activity to plant hopper, leafhopper, Lepidoptera, coleoptera larvae.The control of main application sanitary insect pest at present, relevant report is had in the control of soil insect, as the Chen Chunli of Shandong Agricultural Administrators College, " 54% Imidacloprid ethiprole FS and 60% Imidacloprid FS is to the control of peanut soil pest " that Wang Shaomin delivers, indicate and show: use 54% Imidacloprid ethiprole FS to peanut safety in the peanut seeding phase, to wireworm, the peanut soil pests such as grub have obvious preventive and therapeutic effect, use 54% Imidacloprid ethiprole FS and there is significant fruit retention effect, can obviously reduce wormed fruit rate, improve peanut pod output.
The type organic matter that humus is vegeto-animal remains to be formed through microbial decomposition and conversion and a series of natural transition process, is extensively present in occurring in nature, and there is its existence on soil, waters, coal, shale and earth's surface.The effect that humic acid can play sustained-release synergistic to agricultural chemicals, slows down decomposition, reduce toxicity, extend drug effect, reduce consumption, much tested and put into practice confirm.Illustrate in " humic acid and agricultural chemicals attenuation synergistic " that Feng Yuanqi as China Humic Acid TIA delivers that humic acid is combined with agricultural chemicals, drug effect can be improved, extend the drug effect phase (5 ~ 7d), (insecticide reduces consumption about 30% to reduce dosage, bactericide consumption reduces about 50%), and can toxic hazard be reduced.
At present, also not using Diacloden, ethiprole and the humus relevant report as the mixture preparation control peanut grub of active ingredient, the present invention is undertaken composite by Diacloden, ethiprole and humic acid, medicament synergy is obvious, substantially increase control efficiency, decrease the amount of application of agricultural chemicals, have good control efficiency to peanut grub.
Summary of the invention
Technical problem to be solved by this invention is, provides a kind of pesticide synergistic composition, and for the control of peanut grub, have control efficiency remarkable, mu is originally lower, the advantage that amount of application is less.
The present invention solves the problems of the technologies described above taked technical scheme: containing Diacloden and humic acid pesticide synergistic composition, active ingredient is made up of Diacloden, ethiprole and humic acid, Diacloden percentage by weight is in the composition 0.5% ~ 2.0%, ethiprole percentage by weight is in the composition 0.5 ~ 3.0%, and humus percentage by weight is in the composition 1.0% ~ 5.0%.
The formulations of pesticide prepared by pesticide synergistic composition of the present invention are granule.
Pesticide synergistic composition of the present invention, required adjuvant comprise binding agent, wetting agent, sustained release agent, disintegrant, coloring agent, carrier or other be of value to the active ingredient material that plays of stable and drug effect in the formulation, all various compositions that are conventional in pesticidal preparations or permission use, be not particularly limited, concrete composition and consumption are determined by test according to recipe requirements.
The present invention has following advantage and useful technique effect, peanut grub control is used for by the granular pesticide of Diacloden, ethiprole, humic acid mixture, significantly can improve drug effect, reduce agricultural chemicals mu consumption, reduce use cost, extend the duration of drug effect, the shortcoming that single dose easily produces resistance can be overcome simultaneously.
Embodiment
Below in conjunction with embodiment to technical scheme of the present invention and technique effect further instruction, percentage of the present invention is all weight percentage.
The embodiment of the present invention is the method adopting Toxicity Determination and field control effectiveness test to combine.First by indoor toxicity test, the synergistic effect of pharmacy mix is evaluated according to the co-toxicity coefficient method (CTC) of SunJohnson (1960), calculate co-toxicity coefficient (CTC), the co-toxicity coefficient (CTC) >=120 of built agent shows as synergistic effect; CTC≤80 show as antagonism; 80<CTC<120 shows as summation action.On this basis, then carry out field control effectiveness test.
One, indoor joint toxicity measuring test
1, for examination insect: the pupa of grub and mature larva pick up from peanut ground, Nanning suburb, sprout wings into adult in solarium, and mate and oviposit contains in the soil of fertilizer in insectary, for subsequent use after growing to 3 instar larvaes.
2, experimental scheme: test is with reference to People's Republic of China (PRC) agricultural industry criteria NY/T1154.7-2006, test is with Diacloden, ethiprole, humic acid three kinds of single doses medicament in contrast, using the mixture preparation mixture 1# ~ mixture 6# containing Diacloden, ethiprole, humic acid 3 active ingredients as mensuration medicament, contrast medicament, mensuration medicament are designed six gradient concentration process by active constituent content, respectively not contain the space management of medicament in contrast.
The percentage by weight of the Diacloden of mixture 1# ~ mixture 6#, ethiprole, humic acid is as follows:
Mixture 1#: Diacloden 0.5%, ethiprole 0.5%, humic acid 2%
Mixture 2#: Diacloden 1.0%, ethiprole 1.5%, humic acid 1.5%
Mixture 3#: Diacloden 1.5%, ethiprole 0.5%, humic acid 3.0%
Mixture 4#: Diacloden 2.0%, ethiprole 0.5%, humic acid 5.0%
Mixture 5#: Diacloden 0.5%, ethiprole 3.0%, humic acid 2.5%
Mixture 6#: Diacloden 0.5%, ethiprole 2.0%, humic acid 1.0%
3, test method: single dose Diacloden, ethiprole, humic acid are prepared into respectively and the mother liquor of each mixed agent are diluted to 6 series concentration, be placed in beaker respectively for subsequent use, adopt 10s dip method, draw the unnecessary liquid of examination worm with filter paper, afterwards examination worm is put into insect box and raise, each process 3 repetition, each to repeat examination borer population used be 40, and arrange blank, after medicine, 72h checks dead borer population simultaneously, calculate lethality and corrected mortality, try to achieve virulence regression equation and calculate LC 50value.
4, analysis of statistical results:
The indoor joint toxicity measuring result of the test statistics of table 1 Diacloden, ethiprole and humic acid
Medicament Virulence regression equation Correlation coefficient LC 50(ppm) Co-toxicity coefficient
Diacloden y=1.5494x+3.3846 0.9925 11.03 /
Ethiprole y=1.3434x+2.8116 0.9901 42.56 /
Humic acid y=1.1850x+2.1822 0.9923 238.68 /
Mixture 1# y=1.9163x+2.3367 0.9980 24.54 186.8
Mixture 2# y=1.7559x+3.0488 0.9889 12.92 234.2
Mixture 3# y=1.8457x+2.6792 0.9950 18.09 172.4
Mixture 4# y=1.5773x+3.1785 0.9855 14.28 245.3
Mixture 5# y=1.8290x+2.5661 0.9918 21.42 221.8
Mixture 6# y=1.6821x+2.8679 0.9924 18.51 195.9
Indoor joint toxicity measuring result of the test is as shown in table 1, as known from Table 1, the co-toxicity coefficient (CTC) >=120 of built agent, has obvious synergistic effect, determining built agent in Toxicity Determination has on the basis of synergistic effect, has carried out field control effectiveness test.
Two field control effectiveness tests
1 test arrangement and enforcement
1.1 experimental field overview medicaments: test is located at Peanut continuous cropping ground, Xixiangtang District, Nanning City, and ground, experimental field is smooth, and soil fertility uniformity, preceding crop is peanut, and this ground grub is laid particular stress on throughout the year.
1.2 experimental scheme: the 3.5% Diacloden ethiprole humic acid granule that the ratio ratio corresponding to mixture 2# be prepared into corresponding to 4% Diacloden ethiprole humic acid granule and mixture 5# is prepared into is set to experimental group 1 and experimental group 2, and amount of application is 2.5 kgs/acre.Respectively using 2% Diacloden granule, 3% ethiprole granule and 5% humic acid granule as product control group 1, control group 2 and control group 3, amount of application is 5.0 kgs/acre, arranges blank group CK simultaneously.
1.3 test periods: on April 20th, 2013 is sowed, and Furrow sowing during sowing, planting density is 150000 caves/hm2.Plot area is 20m.Repeat 3 times, random district group arranges, and each community uses the dosage corresponding to experimental scheme respectively in seed furrow.Climate at seeding time is good, and each community is emerged neatly, and soil moisture content foot, peanut grows fine.
1.4 index is investigated: in the harvesting peanut phase, every community gets middle 2 row respectively, the killed situation of investigation peanut pod, collects peanut pod and carries out indoor species test, and carry out classification to the killed situation of peanut pod.O level: pod is complete without killed shape; I level: pod epidermis has killed vestige; II grade: pod has killed duck eye but kernel is complete; III level: pod has killed large hole kernel killed 50%; IV level: pod benevolence all killed more than 50%.Wherein III and IV grade of killed pod is without any edible and commodity value, is loss fruit, is not counted in output.
The killed fruit number/investigation peanut of killed fruit rate=peanut total fruit number
Insect pest situation index=Σ (fruit that is injured × this fruit progression of being injured)/(investigation total fruit number × the highest level of being injured) × 100%
Control efficiency=(check plot insect pest situation index one treatment region insect pest situation index)/check plot insect pest situation index × 100%
Damage fruit loss rate=(3 grades of killed fruit numbers of killed fruit number+4 grades)/investigation total fruit number × 100%
2 interpretations of result
As can be seen from following table 2 investigation statistics table, experimental group 1, experimental group 2 pairs of peanut grubs have good control efficiency, average control efficiency is 81.28% and 83.63%, the anti-Be very effective of the control group 1 be used alone than Diacloden, ethiprole, humic acid, control group 2, control group 3, to demonstrate with Diacloden, ethiprole, humic acid be further active ingredient, and mixed agent has good control efficiency to peanut grub.
Table 2 Diacloden, ethiprole, humus and mixed agent are to the control efficiency of peanut soil pest grub
Test process Average killed fruit rate (%) Average damage fruit rate (%) Average control efficiency (%)
Product experimental group 1 18.58 9.33 81.28
Product experimental group 2 16.50 8.17 83.63
Product control group 1 21.83 14.08 76.24
Product control group 2 32.25 21.83 71.34
Product control group 3 47.67 27.08 52.54
Blank (CK) 65.75 36.33 /

Claims (2)

1. containing Diacloden and humic acid pesticide synergistic composition, it is characterized in that, active ingredient is made up of Diacloden, ethiprole and humic acid, Diacloden percentage by weight is in the composition 0.5% ~ 2.0%, ethiprole percentage by weight is in the composition 0.5 ~ 3.0%, and humus percentage by weight is in the composition 1.0% ~ 5.0%.
2. according to claim 1 containing Diacloden and humic acid pesticide synergistic composition, it is characterized in that, described pesticide synergistic composition is prepared into granule.
CN201410488646.9A 2014-09-23 2014-09-23 Pesticide synergistic compositions containing Diacloden Yu humic acids Expired - Fee Related CN104322560B (en)

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Publication number Priority date Publication date Assignee Title
CN108707038A (en) * 2018-08-17 2018-10-26 湖州常华苗木有限公司 A kind of stock growing special fertilizer and preparation method thereof

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