CN103053540A - Pesticide composition of dimoxystrobin and epoxiconazole, and application thereof - Google Patents
Pesticide composition of dimoxystrobin and epoxiconazole, and application thereof Download PDFInfo
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- CN103053540A CN103053540A CN2013100034484A CN201310003448A CN103053540A CN 103053540 A CN103053540 A CN 103053540A CN 2013100034484 A CN2013100034484 A CN 2013100034484A CN 201310003448 A CN201310003448 A CN 201310003448A CN 103053540 A CN103053540 A CN 103053540A
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- epoxiconazole
- dimoxystrobin
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- rice blast
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Abstract
The invention discloses a pesticide composition of dimoxystrobin and epoxiconazole, and an application thereof. The pesticide composition comprises commonly used auxiliary agents, dimoxystrobin and epoxiconazole, wherein a weight ratio of dimoxystrobin to epoxiconazole is 5:1-1:10. 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 take dimoxystrobin and epoxiconazole as active ingredient, is used for the control rice blast.
Background technology
Dimoxystrobin, English name dimoxystrobin pestanal belongs to methoxy acrylic bactericide, is mainly used at present preventing and treating rice blast and banded sclerotial blight.
Epoxiconazole is a kind of interior absorption triazole bactericidal agent, its active component epoxiconazole suppresses the synthetic of germ ergosterol, hinder the formation of germ cell wall, and the epoxiconazole molecule has powerful compatibility to a kind of fungal enzyme (14-dencthylase), compare with at present known bactericide, more establishment germ fungal pathogens.Epoxiconazole can improve all fourth matter enzymic activitys of crop, causes the contraction of fungi haustorium, suppresses germ and invades, and this is epoxiconazole unique characteristic in all triazole type products.The diseases such as the anthracnose on leaf spot, powdery mildew, rust and the grape on the crops such as banana, green onion garlic, celery, Kidney bean, melon, asparagus, peanut, beet, white rot there is good preventive effect.Interior absorption is strong, can be absorbed by plant rapidly and conducts to susceptible position, disease is infected immediately stop, and local dispenser control thoroughly.Lasting period is splendid, and as reaching more than 40 days in the bacteriostasis on the cereal, effect is stayed in remarkable holding, and has reduced medication number of times and labour costs.Can effectively control disease, can improve the biochemical disease resistance of crop self by the activity of regulatory enzyme again, the disease resistance of crop itself is strengthened greatly.
Rice blast is one of important disease of paddy rice, can cause the significant underproduction, the underproduction 40%～50% when serious, even No kernels or seeds are gathered, as in a year of scarcity.Each rice district, the world evenly occurs.This disease all has generation in various places, wherein occur as manyly with leaf section, joint section, can cause the in various degree underproduction after the generation, and especially panicle blast or joint pest occur early and weigh, can cause dead ears so that has no harvest.In recent years, Guangdong rice blast year area occurs and be no less than 500,000 mu, and occur increasing year by year trend, local great outburst is much, and at present, rice blast may occur in any days in the province territory, any season.Mainly cause harm blade, stem stalk, fringe section.Because harmful period, position difference are divided into seedling pest, leaf pest, joint pest, panicle blast, grain pest.Before the seedling pest betide three leaves, due to seed-borne fungi.Sick seedling base portion is greyish black, and the top browning is crispaturaed and dead, and disease section produced the mould layer of a large amount of grey blacks, i.e. pathogen conidiophore and conidium when humidity was larger.The leaf pest can both occur in whole breeding time, and tillering, it is heavier to cause harm to the shooting stage.
Rice blast: being commonly called as the baked wheaten cake pest, is the important disease of paddy rice, and symptom is differentiated in the field; The hazard rice each several part all occurs in paddy rice whole breeding time.Rice shoot; Become yellowish-brown after the morbidity and withered, do not form obvious scab, when moist, can grow cinerous mould.Rice blast all can occur in whole growth period duration of rice, and different according to the period of being injured and position can be divided into seedling pest, leaf pest, joint pest, panicle blast and grain pest etc., and are wherein maximum to yield effect with panicle blast.
In factual survey research, we find, dimoxystrobin and epoxiconazole are carried out composite, and rice blast is had very significantly preventive and therapeutic effect, 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, and is very little to the negative effect of environment.
Summary of the invention
The purpose of this invention is to provide a kind of efficient, safety, low toxicity and lasting period long, be conducive to the dimoxystrobin of comprehensive regulation rice blast and the composition pesticide of epoxiconazole.
For addressing the above problem, the technical solution adopted in the present invention is: a kind of composition pesticide, comprise usual auxiliaries, dimoxystrobin and epoxiconazole, the ratio of weight and number of dimoxystrobin and epoxiconazole is 5:1-1:10, and dimoxystrobin and the percentage by weight of epoxiconazole weight summation in composition pesticide are 5-80%.
Composition pesticide of the present invention can according to well known to a person skilled in the art method, be mixed with the application forms that is fit to agricultural use.Preferentially be configured in the present invention two kinds of environmental protection formulations of suspending agent and water dispersible granules.
Composition pesticide of the present invention also contains the usual auxiliaries of pesticidal preparations, comprise one or more mixing in solvent, emulsifier, wetting agent, stabilizing agent, dispersant, thickener, defoamer, antifreezing agent, disintegrant, binding agent, filler, filler, the medium etc., be known substance, various auxiliary agents commonly used in the pesticidal preparations, can change to some extent according to different situations, be not particularly limited.
Composition pesticide of the present invention is used for preventing and treating the rice blast on the agricultural.
Early stage or the use of disease initial stage of origination should occur in disease in composition pesticide of the present invention when using.
Composition pesticide of the present invention adopts the method for spraying to use usually, also can adopt as required upper other operation techniques used of agricultural.
Composition pesticide provided by the invention has following beneficial effect.
1, composition pesticide provided by the invention, show obvious synergistic effect in certain ratio range, the control efficiency of composition is significantly improved than single dose, has reduced the using dosage of agricultural chemicals, reduce drug cost, reduced the adverse effect of agricultural chemicals to ecotope.
2, two of composition pesticide provided by the invention kinds of effective ingredient mechanism of action are different, can overcome the long-term single shortcoming that makes with medicament easily produce resistance, prolong the service life of medicament, to the comprehensive regulation important in inhibiting of rice blast.
Embodiment
In order to understand better essence of the present invention, be described further by following examples, but the present invention is not limited to these embodiment.In these embodiments, unless otherwise indicated, all percentages all are weight percentage.
Embodiment 1: 48% dimoxystrobin epoxiconazole suspension concentrate.
Following material all is weight percentage: dimoxystrobin 16%, and epoxiconazole 32%, agricultural newborn 500#2%, agricultural newborn 2201#4%, sodium lignin sulfonate 4.5%, xanthans 0.4%, glycerine 5%, dimethylbenzene 18%, surplus is deionized water.Above-mentioned prescription is pulverized in proportion in advance, added in the sand mill and grind, allotment makes 48% dimoxystrobin epoxiconazole suspension concentrate after high shear mixing.
Embodiment 2: 80% dimoxystrobin epoxiconazole suspension concentrate.
Following material all is weight percentage: dimoxystrobin 40%, and epoxiconazole 40%, agricultural newborn 600#2%, agricultural newborn 1601#3%, dodecyl sodium sulfonate calcium 2%, gum Arabic 0.3%, glycerine 2%, epoxidized soybean oil 4%, surplus is deionized water.Above-mentioned prescription is pulverized in proportion in advance, added in the sand mill and grind, allotment makes 80% dimoxystrobin epoxiconazole suspension concentrate after high shear mixing.
Embodiment 3: 60% dimoxystrobin epoxiconazole water dispersant.
Following material all is weight percentage: dimoxystrobin 15%, and epoxiconazole 45%, sodium lignin sulfonate 4%, naphthalenesulfonic acid-formaldehyde condensate 5%, sodium chloride 3%, wettable starch 1%, polyvinyl alcohol 4%, ammonium sulfate 5%, surplus is kaolin.Dry pulverization process, extruder grain, drying, screening make 60% dimoxystrobin epoxiconazole water dispersant in proportion with above-mentioned prescription.
Embodiment 4: to the field control effectiveness test of rice blast.
Adopt the chemical control rice blast of embodiment 1-3, with 50% dimoxystrobin wetting powder, 25% epoxiconazole suspension concentrate medicament in contrast.Select the comparatively serious field of rice blast morbidity, in the rice blast their early stage, adopt the mode dispenser of mechanical spraying, result of the test sees Table 1.
As can be seen from the test results: after the dispenser 7 days, dimoxystrobin of the present invention and epoxiconazole composition pesticide to the rice blast preventive effect all more than 89%, significantly better than the single dose of contrast; After the dispenser 14 days, dimoxystrobin of the present invention and epoxiconazole composition pesticide to the rice blast preventive effect all more than 93%, also significantly better than the single dose of contrast; Each medicament is showed no the poisoning generation in the process of the test, to rice safety.Illustrate that composition pesticide of the present invention is better than single dose, improve actual control efficiency, reduce dosage, reduce cost, reduce medicament to the adverse effect of environment, delay the generation of disease drug resistance, improvement has great significance to agricultural synthesis.
The field control effectiveness test result of table 1, control rice blast.
Claims (2)
1. the composition pesticide of a dimoxystrobin and epoxiconazole, comprise usual auxiliaries, dimoxystrobin and epoxiconazole, it is characterized in that: the ratio of weight and number of dimoxystrobin and epoxiconazole is 5:1-1:10, and dimoxystrobin and the percentage by weight of epoxiconazole weight summation in composition pesticide are 5%-80%.
2. the composition pesticide of dimoxystrobin according to claim 1 and epoxiconazole is characterized in that: be used for the control rice blast.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100034484A CN103053540A (en) | 2013-01-06 | 2013-01-06 | Pesticide composition of dimoxystrobin and epoxiconazole, and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013100034484A CN103053540A (en) | 2013-01-06 | 2013-01-06 | Pesticide composition of dimoxystrobin and epoxiconazole, and application thereof |
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| CN103053540A true CN103053540A (en) | 2013-04-24 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010072777A2 (en) * | 2008-12-23 | 2010-07-01 | Basf Se | Gel formulations that are stable for storage, comprising at least two substantially un-mixed hydrogels |
| CN102630679A (en) * | 2012-04-05 | 2012-08-15 | 广西田园生化股份有限公司 | Pesticide composition containing orysastrobin |
| CN103651425A (en) * | 2012-09-18 | 2014-03-26 | 陕西美邦农药有限公司 | Pesticide composition containing dimoxystrobin |
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2013
- 2013-01-06 CN CN2013100034484A patent/CN103053540A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010072777A2 (en) * | 2008-12-23 | 2010-07-01 | Basf Se | Gel formulations that are stable for storage, comprising at least two substantially un-mixed hydrogels |
| CN102630679A (en) * | 2012-04-05 | 2012-08-15 | 广西田园生化股份有限公司 | Pesticide composition containing orysastrobin |
| CN103651425A (en) * | 2012-09-18 | 2014-03-26 | 陕西美邦农药有限公司 | Pesticide composition containing dimoxystrobin |
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Application publication date: 20130424 |