CN103053574B - Pesticide composition of dimoxystrobin and thiophanate-methyl, and application thereof - Google Patents
Pesticide composition of dimoxystrobin and thiophanate-methyl, and application thereof Download PDFInfo
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- CN103053574B CN103053574B CN201310003464.3A CN201310003464A CN103053574B CN 103053574 B CN103053574 B CN 103053574B CN 201310003464 A CN201310003464 A CN 201310003464A CN 103053574 B CN103053574 B CN 103053574B
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Abstract
The invention discloses a pesticide composition of dimoxystrobin and thiophanate-methyl, and an application thereof. The pesticide composition comprises commonly used auxiliary agents, dimoxystrobin and thiophanate-methyl, wherein a weight ratio of dimoxystrobin to thiophanate-methyl is 1:1-1:10. The pesticide provided by the invention is suitable to be used for controlling crop diseases, and is especially suitable to be used for controlling paddy rice blast. The composition provides a substantial synergetic effect in controlling than single agent. With the composition, pesticide dosage is reduced, pesticide cost is reduced, agent service life is prolonged, and adverse reaction of the pesticide to ecological environment is reduced.
Description
Technical field
The composition pesticide that the present invention relates to is with dimoxystrobin and thiophanate-methyl for active ingredient, for preventing and treating rice blast.
Background technology
Dimoxystrobin, English name dimoxystrobin pestanal, belongs to methoxy acrylic bactericide, is mainly used in control rice blast and banded sclerotial blight at present.
Thiophanate-methyl, English common name Thiophanate-Methyl, inhale low toxicity bactericide in a kind of broad spectrum activity, there is interior suction, preventive and therapeutic action, effectively can prevent and treat the disease of various crop, have to top property conduction function, have preventive and therapeutic action to multiple diseases, have inhibitory action to tetranychid and pathogenic nematode.Good preventive and therapeutic effect is had to the multiple diseases on Cereal, greengrocery, fruit tree.Can not be mixed with alkalescence and Inorganic Copper preparation.Long-term single use easily produces resistance and has cross resistance with benzimidazole germicide, should note taking turns with other medicaments using.
Rice blast is one of important disease of paddy rice, can cause the significantly underproduction, and the underproduction 40% ~ 50% time serious, even No kernels or seeds are gathered, as in a year of scarcity.Ge Dao district of the world evenly occurs.This disease all has generation in various places, wherein occurs as many with leaf portion, joint portion, can cause the underproduction in various degree after generation, and especially panicle blast or joint pest occur early and weigh, and can cause dead ears so that total crop failure.In recent years, rice blast year occurring area in Guangdong is no less than 500,000 mu, and occurs increasing trend year by year, and local great outburst is much, and at present, rice blast may occur in any days in province territory, any season.Mainly to cause harm blade, stem stalk, fringe portion.Because period of causing harm, position difference are divided into seedling pest, leaf pest, joint pest, panicle blast, grain pest.Before seedling pest betide three leaves, caused by seed-borne fungi.Sick seedling base portion is greyish black, and top browning is crispaturaed and extremely, when humidity is larger, disease portion produces the mould layer of a large amount of grey black, i.e. pathogen conidiophore and conidium.Leaf pest can occur in whole breeding time, and tillering, it is heavier to cause harm to the shooting stage.
Rice blast: be commonly called as baked wheaten cake pest is important diseases of paddy rice, and symptom is differentiated in field; Hazard rice each several part, all occurs in paddy rice whole breeding time.Rice shoot; Become yellowish-brown and withered after morbidity, do not form obvious scab, time moist, can cinerous be grown mould.Rice blast all can occur in whole growth period duration of rice, according to the difference at the period of being injured and position, can be divided into seedling pest, leaf pest, joint pest, panicle blast and grain pest etc., wherein maximum to yield effect with panicle blast.
In factual survey research, we find, undertaken composite, have obviously preventive and therapeutic effect to rice blast by dimoxystrobin and thiophanate-methyl, and according to long-term tracking test, this complex agent type, is difficult to produce resistance in actual application.And in use, consumption is very low, very little to the negative effect of environment.
Summary of the invention
The object of this invention is to provide a kind of efficient, safety, low toxicity and the lasting period long, be conducive to the dimoxystrobin of comprehensive regulation rice blast and the composition pesticide of thiophanate-methyl.
For solving the problem, the technical solution adopted in the present invention is: a kind of composition pesticide, comprise usual auxiliaries, dimoxystrobin and thiophanate-methyl, the ratio of weight and number of dimoxystrobin and thiophanate-methyl is 1:1-1:10, and dimoxystrobin and the percentage by weight of thiophanate-methyl weight summation in composition pesticide are 5-80%.
Composition pesticide of the present invention according to well known to a person skilled in the art method, can be mixed with the application forms of applicable agricultural use.Preferentially be configured to suspending agent and water dispersible granules two kinds of environmental protection formulations in the present invention.
The usual auxiliaries of composition pesticide of the present invention also containing pesticidal preparations, comprise one or more mixing in solvent, emulsifier, wetting agent, stabilizing agent, dispersant, thickener, defoamer, antifreezing agent, disintegrant, binding agent, filler, filler, medium etc., be known substance, various auxiliary agents conventional in pesticidal preparations, can change to some extent according to different situations, be not particularly limited.
Composition pesticide of the present invention is for preventing and treating rice blast agriculturally.
, early stage or the use of disease initial stage of origination should be there is in disease when applying in composition pesticide of the present invention.
Composition pesticide of the present invention, usually adopts the method for spraying to use, also can adopt other operation techniques agriculturally applied as required.
Composition pesticide provided by the invention has following beneficial effect.
1, composition pesticide provided by the invention, in certain ratio range, show obvious synergistic effect, the control efficiency of composition is significantly improved than single dose, reduces the using dosage of agricultural chemicals, reduce drug cost, decrease the adverse effect of agricultural chemicals to ecotope;
2, two kinds of effective ingredient mechanism of action of composition pesticide provided by the invention are different, can overcome the single shortcoming making with medicament easily produce resistance for a long time, extend the service life of medicament, to the comprehensive regulation important in inhibiting of rice blast.
Embodiment
In order to understand essence of the present invention better, be described further by following examples, but the present invention is not limited to these embodiments.In these embodiments, unless otherwise indicated, all percentage is all weight percentage.
embodiment 1: 25% dimoxystrobin thiophanate-methyl suspending agent.
Following material is all weight percentage: 5% dimoxystrobin, 20% thiophanate-methyl, and 2% agriculture breast 602#, 4% agriculture breast 2201#, 3% sodium lignin sulfonate, 0.2% xanthans, 4% ethylene glycol, 0.5% organosilicon, add deionized water and mend to 100%.Above-mentioned formula is pulverized in proportion in advance, then adds in sand mill and grind, the obtained 25% dimoxystrobin thiophanate-methyl suspending agent of allotment after high shear mixing.
Use above-mentioned 25% dimoxystrobin thiophanate-methyl suspending agent control rice blast, mu 100 grams, preparation, is watered even spraying dispenser in rice blast their early stage, and after dispenser, 14 days preventive effects are 88.6%.70% thiophanate-methyl wetting powder mu 150 grams, preparation, 50% dimoxystrobin wetting powder mu 30 grams, preparation, adopt same method dispenser, after dispenser, 14 days preventive effects are respectively 79.1%, 84.3%.
embodiment 2: 48% dimoxystrobin thiophanate-methyl water dispersible granules.
Following material is all weight percentage: dimoxystrobin 8%, thiophanate-methyl 40%, 4% lauryl sodium sulfate, 12% sodium lignin sulfonate, 6% naphthalene sulfonate, and 1.2% sodium chloride, bentonite complements to 100%.By above-mentioned formula dry pulverization process, extruder grain, drying, the obtained 48% dimoxystrobin thiophanate-methyl water dispersible granules of screening preparation in proportion.
Use above-mentioned 48% dimoxystrobin thiophanate-methyl water dispersible granules control rice blast, mu 50 grams, preparation, is watered even spraying dispenser in rice blast their early stage, and after dispenser, 14 days preventive effects are 84.7%.70% thiophanate-methyl wetting powder mu 150 grams, preparation, 50% dimoxystrobin wetting powder mu 30 grams, preparation, adopt same method dispenser, after dispenser, 14 days preventive effects are respectively 69.7,74.2%.
By above-mentioned field trial, find that in process of the test, each medicament is showed no poisoning generation, to crop safety.Dimoxystrobin of the present invention and thiophanate-methyl mixture composition are better than single dose, can improve actual control efficiency, reduce dosage, reduce costs, reduce medicament to the adverse effect of environment, delay the generation of disease drug resistance, agricultural synthesis is administered and has great significance.
Claims (2)
1. a composition pesticide for dimoxystrobin and thiophanate-methyl, it is characterized in that percentage by weight is: dimoxystrobin 8%, thiophanate-methyl 40%, 4% lauryl sodium sulfate, 12% sodium lignin sulfonate, 6% naphthalene sulfonate, 1.2% sodium chloride, bentonite complements to 100%.
2. the application of composition pesticide in control rice blast of dimoxystrobin according to claim 1 and thiophanate-methyl.
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CN201310003464.3A CN103053574B (en) | 2013-01-06 | 2013-01-06 | Pesticide composition of dimoxystrobin and thiophanate-methyl, and application thereof |
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CN201310003464.3A CN103053574B (en) | 2013-01-06 | 2013-01-06 | Pesticide composition of dimoxystrobin and thiophanate-methyl, and application thereof |
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CN103053574A CN103053574A (en) | 2013-04-24 |
CN103053574B true CN103053574B (en) | 2014-12-31 |
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DE10141618A1 (en) * | 2001-08-24 | 2003-03-06 | Bayer Cropscience Ag | Fungicidal active ingredient combinations |
CN101755792B (en) * | 2009-10-26 | 2012-12-05 | 陕西汤普森生物科技有限公司 | Fungicidal composition containing kresoxim methyl and thiophanate methyl |
CN101785467A (en) * | 2009-12-18 | 2010-07-28 | 陕西美邦农资贸易有限公司 | Sterilization composite containing ZJ0712 and thiophanate-methyl |
CN101755842B (en) * | 2009-12-21 | 2012-07-11 | 福建新农大正生物工程有限公司 | Bactericide composition containing kresoxim-methyl |
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Effective date of registration: 20190701 Address after: 226100 No. 102, Group 9, Banqiao Village, Zhengyu Town, Haimen City, Nantong City, Jiangsu Province Patentee after: Haimen Textile Co., Ltd. Zhuo Wei Address before: 516000 Zhongkai hi tech Development Zone 24, Huizhou, Guangdong Patentee before: Guangdong Zhongxun Agricultural Technology Co., Ltd. |
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