CN104273174A - Pesticide granules containing dinotefuran and diazinon - Google Patents

Pesticide granules containing dinotefuran and diazinon Download PDF

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Publication number
CN104273174A
CN104273174A CN201410489592.8A CN201410489592A CN104273174A CN 104273174 A CN104273174 A CN 104273174A CN 201410489592 A CN201410489592 A CN 201410489592A CN 104273174 A CN104273174 A CN 104273174A
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diazinon
humic acid
sugarcane
mti
pesticide
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CN201410489592.8A
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CN104273174B (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 pesticide granules with dinotefuran, diazinon and humic acid as active ingredients. The pesticide granules comprise the following components in percentage by weight: 0.1-5 percent of dinotefuran, 0.5-10 percent of diazinon and 0.5-10 percent of humic acid. The pesticide granules prepared by reasonably mixing and blending the three active ingredients, namely dinotefuran, diazinon and humic acid, disclosed by the invention, has a remarkable control effect on sugarcane borer, and is capable of greatly improving the pesticide effect, reducing the consumption of pesticides per mu, lowering the use cost, prolonging the duration of the pesticide effect, and overcoming the defect that the resistance to a single formulation is easily caused.

Description

A kind of granular pesticide containing MTI-446 and diazinon
Technical field
The present invention relates to a kind of soil insect insecticides, specifically contain the granular pesticide of MTI-446 and diazinon.
Background technology
In recent years, along with rural area labouring population constantly pour into city, cause rural area labouring population deficient, and sugared valency since two thousand nine constantly declines, and only has about 4000 yuan/ton up till now, therefore the purchasing price of sugarcane also decreases.The drop of sugarcane price have impact on the enthusiasm that peasant plants sugarcane, in order to saving of labor, economize this, sugarcane grower's large area reduces new plant cane and constantly expands stubble cane area, and the stubble cane time limit also extends year by year, therefore insect is also more and more heavy to causing harm of sugarcane, sugarcane tortoise, sugarcane borer are two kinds of primary pests in sugarcane district, Guangxi, and wherein sugarcane borer is particularly outstanding to the harm of sugarcane.Sugarcane borer has harm sugarcane whole vegetative period, and growing point of causing harm seedling stage causes withered heart seedling, and withered heart rate is generally 10% ~ 20%, serious reaches more than 50%, and the middle and later periods bores moth and to cause harm sugarcane stem, destroys sugarcane stem tissue, hinder sugarcane production, cause windbreak, reduce output and sugar.
Terbufos, there is interior suction, tag and fumigation action, its granule prevents and treats the more satisfactory medicament of sugarcane moth borer, but be highly toxic pesticide, often have person poultry poisoning's event to occur in production and use procedure, for ensureing agricultural product quality and safety, person poultry safety and Environmental security, country takes to limit further by control measures to high-toxic pesticide, specify that on October 31st, 2011 rises, cancel the registration card of terbufos agricultural chemicals, production licence, stop producing; From 31 days October in 2013, stop selling and using.After terbufos is forbidden producing and use, sugarcane insect pest especially sugarcane moth borer becomes and is on the rise.
MTI-446, chemical name is: (RS)-1-methyl-2-nitro-3-(tetrahydrochysene-3-furfuryl) guanidine, for plant insecticide, transmitted by spinal nerves and the systemic insecticides of stomach poison function of tagging, wide dispersion can be absorbed by plants fast, have excitation to nAChR.Be mainly used in the suckings pest such as the plant hopper on paddy rice, vegetables, fruit tree, aphid, leafhopper, aleyrodid, the existing report being applied to control soil insect at present, " MTI-446 SG mixes peanut safety and control soil insect Effect disquisition preliminary study " that the people such as Zhang Shuli, Guo Hongwei as Runan County agrotechnical station delivers demonstrates 20% MTI-446 SG peanut constant formula and the seed dressing of times amount formula and emerges to peanut and grow and all have no adverse effects, and the seed dressing of constant formula has the effect of stimulation peanut growth and volume increase; Control peanut soil pest is better than other conventional seed dressing and processing soil treatment agent
Diazinon, chemical name is: 0,0-diethyl-0-(2-isopropyl-4-first pyrimidine-6-first) phosphorothionate, have tag, stomach toxicity, stifling, systemic action, pass through acetylcholine esterase inhibition, there is good preventive effect to the various pests such as Lepidoptera, Homoptera, also can dress seed and prevent and treat the soil insect of various crop.Mainly make granule for preventing and treating the soil insect such as grub, black cutworm on peanut, vegetables, also report is had for the control of sugarcane moth borer, " 0.1% diazinon GR prevents and treats sugarcane moth borer field control effectiveness test " that Lee group at sugarcane trial technical advice station, Hepu County Guangxi, Lai Tingfeng deliver confirms 0.1% diazinon GR, when mu consumption 1.2 ~ 1.5kg, the ditch spread when cane planting, has good control efficiency to sugarcane moth borer.
Humic acid is a kind of natural organic high molecular compound, and complex structure, has the functions such as ion exchange, chelating, flocculation and colloidal sol, and improvement soil, stimulating growth, enhancing are degeneration-resistant, the effect of oil recovery enhancement agriculturally having.Jiangxi Province's chemical industry Wang Renming, Zhang Yanfeng " fulvic acid is to the synergistic effect pre-test of agricultural insecticide amidine " delivered point out the used in combination of humic acid and insecticide, better than alone pesticidal effects, fulvic acid is used as pesticide synergistic agent and has good prospect.
With the Pesticidal combination that MTI-446, diazinon and humic acid three are active ingredient, the control and application for sugarcane moth borer there is no report.
Summary of the invention
The object of the invention is to, carry out rational mixture obtain Pesticidal combination by MTI-446, diazinon and humic acid, three active ingredient is composite has obvious synergistic effect, for the control of sugarcane moth borer, significantly can improve drug effect, reduce Pesticide use amount, extend the duration of drug effect.
The present invention solves the problems of the technologies described above taked technical scheme: provide a kind of granular pesticide being active ingredient with MTI-446, diazinon and humic acid, MTI-446 is 0.1% ~ 5% at the percentage by weight of granule, the percentage by weight of diazinon in granule is 0.5% ~ 10%, and the percentage by weight of humic acid in granule is 0.5% ~ 10%.The percentage by weight of MTI-446 in granule is preferably 0.5% ~ 2%, and the percentage by weight of diazinon in granule is preferably 2% ~ 5%, and the percentage by weight of humic acid in granule is preferably 2% ~ 5%.
Granular pesticide prepared by the present invention, required adjuvant comprise binding agent, wetting agent, sustained release agent, dispersant, 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 remarkable result, the preventive effect being used for sugarcane moth borer by the granular pesticide of MTI-446, diazinon, humic acid 3 active ingredient rational mixtures is remarkable, 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
Be described further technical scheme of the present invention and technique effect with the indoor joint toxicity measuring test and field medicine effect test that measure biocidal activity below, percentage of the present invention is all weight percentage.
The indoor joint toxicity measuring test of a pair sugarcane moth borer
Test method reference People's Republic of China (PRC) agricultural industry criteria NY/T1154.7-2006, dip method; With MTI-446, diazinon and humic acid three kinds of single doses medicament in contrast, and be in blank, prepare following mixture 1# ~ mixture 6# with the percentage by weight meeting recipe requirements:
Mixture 1#: MTI-446 0.5%, diazinon 2%, humic acid 2.5%
Mixture 2#: MTI-446 1.5%, diazinon 3%, humic acid 4%
Mixture 3#: MTI-446 0.5%, diazinon 2%, humic acid 2%
Mixture 4#: MTI-446 1%, diazinon 1.5%, humic acid 5%
Mixture 5#: MTI-446 1.5%, diazinon 5%, humic acid 3%
Mixture 6#: MTI-446 2%, diazinon 4%, humic acid 2%
1. try worm: select the worm source gathered from field, after indoor feeding 2 generation, select 3 instar larvaes that worm age is consistent.
2. test is arranged:
Clear water contrasts;
MTI-446 single dose, proportional diluted 6 concentration gradients from 80mg/L;
Diazinon single dose, proportional diluted 6 concentration gradients from 160mg/L;
Humic acid single dose, proportional diluted 6 concentration gradients from 300mg/L;
Mixture 1#-6#, and proportional diluted 6 concentration gradients from 80mg/L respectively:
3. test method: target insect is soaked into the liquid 10s, draws unnecessary liquid with filter paper, raises under examination worm is transferred to normal condition, and after medicine, 2 days investigation examination worm death condition, record total borer population and dead borer population.The statistical analysis of result is carried out with Microsoft Excel, calculate regression curve, LC50 value, the synergistic effect of pharmacy mix is evaluated according to the co-toxicity coefficient method (CTC) of SunJohnson (1960), coefficient CTC is spent in calculating together, CTC≤80 are antagonism, 80<CTC<120 is summation action, and CTC >=120 are synergistic effect.
4. interpretation of result: result statistics is as shown in table 1, as known from Table 1, MTI-446, diazinon and humic acid are Synergistics for sugarcane moth borer within the scope of part by weight of the present invention.
The indoor joint toxicity measuring result of the test statistics of table 1 MTI-446, diazinon and humic acid
Two field medicine effect tests
(1) the 5% MTI-446 diazinon humic acid granule be prepared into by mixture 1# and mixture 3# are prepared into: 4.5% MTI-446 diazinon humic acid granule is as product experimental group 1 and experimental group 2, and amount of application is 2 kgs/acre.Respectively using 2% MTI-446 granule, 5% diazinon granule and 5% humic acid granule as product control group 1, control group 2 and control group 3, amount of application is 5 kgs/acre.One blank group is also set simultaneously.
(2) spraying time and method
Sowing 1 dispenser in conjunction with sugarcane on February 12nd, 2012, evenly spreading fertilizer over the fields again after mixing with the dry fine earth of 1:10 by mu dosage in planting in ditch, timely earthing.
(3) result of the test
On May 30th, 2012, result investigation was carried out in sugarcane moth borer end of causing harm, and investigated every community total seedling number and sugarcane moth borer and caused harm and cause withered heart seedling number, calculate withered heart rate and control efficiency.Withered heart rate=withered heart seedling number/total seedling number * 100%.Control efficiency=(the withered heart rate in withered heart rate-applying area, check plot) withered heart rate * 100% in/check plot.Result of the test is as follows:
The field control effectiveness test of table 2 MTI-446, diazinon, humic acid built agent control sugarcane moth borer
Process Number/the strain of process seedling Withered heart seedling number/strain Withered heart rate/% Preventive effect/%
Experimental group 1 638 23 3.61 86.77
Experimental group 2 635 26 4.09 84.98
Control group 1 642 47 7.32 73.14
Control group 2 634 51 8.04 70.49
Control group 3 627 87 13.88 49.10
Blank 653 178 27.26 0.00
Can draw from the field control effectiveness test tables of data of table 2, the withered heart rate of sugarcane of experimental group 1, experimental group 2 is 3.61% and 4.09%, withered heart rate is starkly lower than the withered heart rate of control group 1, contrast 2, control group 3, experimental group 1, experimental group 2 medicament are also aobvious higher than control group 1, contrast 2, control group 3 to sugarcane borer control efficiency, illustrate that this 3 the active ingredient compound synergics effect of MTI-446, diazinon, humic acid is obvious, built agent significantly can improve the control efficiency to sugarcane moth borer.

Claims (2)

1. the granular pesticide that is active ingredient with MTI-446, diazinon and humic acid, it is characterized in that, MTI-446 is 0.1% ~ 5% at the percentage by weight of granule, the percentage by weight of diazinon in granule is 0.5% ~ 10%, and the percentage by weight of humic acid in granule is 0.5% ~ 10%.
2. granular pesticide according to claim 1, it is characterized in that, the percentage by weight of MTI-446 in granule is 0.5% ~ 2%, and the percentage by weight of diazinon in granule is 2% ~ 5%, and the percentage by weight of humic acid in granule is 2% ~ 5%.
CN201410489592.8A 2014-09-23 2014-09-23 Pesticide granules containing dinotefuran and diazinon Expired - Fee Related CN104273174B (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104871913A (en) * 2015-06-08 2015-09-02 象州县科学技术情报研究所 Cultivation method of big fruit hawthorn in Karst rock-desertification areas
CN104871915A (en) * 2015-06-08 2015-09-02 象州县科学技术情报研究所 Cultivation method of Taiwan psidium guajava in Karst rock-desertification areas
CN104956979A (en) * 2015-06-08 2015-10-07 象州县科学技术情报研究所 Cultivating method for Taiwan guava grown on self-conservation stony desertification land
CN107306987A (en) * 2017-08-01 2017-11-03 然晟(上海)实业发展有限公司 A kind of the ears of an ox or cow plate-hung type solid repellent mosquitos and flies piece

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104871913A (en) * 2015-06-08 2015-09-02 象州县科学技术情报研究所 Cultivation method of big fruit hawthorn in Karst rock-desertification areas
CN104871915A (en) * 2015-06-08 2015-09-02 象州县科学技术情报研究所 Cultivation method of Taiwan psidium guajava in Karst rock-desertification areas
CN104956979A (en) * 2015-06-08 2015-10-07 象州县科学技术情报研究所 Cultivating method for Taiwan guava grown on self-conservation stony desertification land
CN107306987A (en) * 2017-08-01 2017-11-03 然晟(上海)实业发展有限公司 A kind of the ears of an ox or cow plate-hung type solid repellent mosquitos and flies piece

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