CN104705340A - Pesticide composition containing mandipropamid and fosthiazate - Google Patents
Pesticide composition containing mandipropamid and fosthiazate Download PDFInfo
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- CN104705340A CN104705340A CN201510115122.XA CN201510115122A CN104705340A CN 104705340 A CN104705340 A CN 104705340A CN 201510115122 A CN201510115122 A CN 201510115122A CN 104705340 A CN104705340 A CN 104705340A
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- fosthiazate
- mandipropamid
- root
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- pesticide composition
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Abstract
The invention relates to a pesticide composition containing mandipropamid and fosthiazate. The pesticide composition comprises the following effective constituents: mandipropamid and fosthiazate, wherein the ratio of mandipropamid to fosthiazate in parts by weight is 1:1 to 1:100; the pesticide composition can be processed into a suspending agent and granules. The pesticide composition disclosed by the invention can be used for preventing and controlling a cucumber damping off, reduces the using dosage of the pesticide, reduces the times for spraying, lowers the using cost, and is safe to crops.
Description
Technical field
The invention belongs to composition pesticide technology, being specifically related to a kind of composition pesticide containing mandipropamid and fosthiazate, for preventing and treating cucumber damping off, root-knot nematode.
Background technology
Cucumber damping off causes one of cucumber seedling-raising phase Major Diseases primarily of pythium spp, be commonly called as " seizing by the throat ", " bound feet pest ", " falling seedling " etc., it is one of cucumber at seedling stage regular incidence evil, blastema base portion or the middle part of exposing soil table seedling stage are water soaking mode, after become that yellowish-brown scholar is withered is condensed to wire, often cotyledon is not yet wilting, namely seedling dampings off suddenly, cause seedling to paste and to throw oneself on the ground face, be unearthed plumular axis and cotyledon of melon seedling generally rots sometimes, and browning is withered.Cause cucumber damping off to occur except germ invades, root-knot nematode is caused harm Cucumber root, absorbs the root system nutrient of plant, and root causes wound simultaneously, causes damping off.
Control cucumber damping off, except directly preventing and treating except antimicrobial agent, prevent and treat root knot nematode control is necessary method simultaneously.
Mandipropamid (mandipropamid) is acid amide fungicides, and its mechanism of action is suppress the biosynthesis of phosphatide, all has good preventive effect to the disease that large absolutely number is caused by oomycetes, pythium spp.To the spore being in the sprouting stage, there is higher activity, and mycelia can be suppressed to grow up and sporulation, can be rapidly absorbed by root, blade, and rest in plant corpus, to plant protection effect.
Fosthiazate (fosthiazate) is organic phosphates nematocide, and main effect model is the synthesis suppressing root-knot nematode acetylcholinesterase, has and tags and systemic action, can be absorbed by plant roots and upwards conduct, for preventing and treating root-knot nematode.
The mixture of different pesticide species is integrated control agricultural pest effective ways.Screened by formulation of pesticide, filter out rational formula, can effectively improve actual control efficiency, expanding prevention scope.The recipe determination of the present inventor to mandipropamid and fosthiazate conducts in-depth research, and finds that mandipropamid and fosthiazate mixture significantly improve control cucumber damping off effect, prevents and treats root-knot nematode again simultaneously.After further study, the present invention is completed.
By consulting existing patent document, there is no report at present about mandipropamid and fosthiazate mixture and application.
Summary of the invention
The object of the present invention is to provide a kind of efficient, low toxicity, low cost, quick-acting are good, the lasting period is long, to crop safety, environment amenable composition pesticide, for preventing and treating cucumber damping off, root-knot nematode.
The present inventor, by a large amount of indoor bioassay test and field medicine effect test, finds mandipropamid and fosthiazate in certain proportion after mixture, has significant synergistic effect to cucumber damping off, root-knot nematode.
On the basis of above-mentioned discovery, after further study, define technical scheme of the present invention, that is: a kind of composition pesticide, effective ingredient is mandipropamid and fosthiazate, the parts by weight ratio of mandipropamid and fosthiazate is 1:1 ~ 1:100, and the percentage by weight of weight summation in composition pesticide of mandipropamid and fosthiazate is 0.1% ~ 20%, and all the other are auxiliary element.
Composition pesticide of the present invention according to well known to a person skilled in the art method, can select suitable auxiliary element, is processed into the application forms of the applicable agricultural use such as granule or suspending agent.
The present invention's auxiliary element used is selected from the combination of one or more of wetting agent, dispersant, preservative, thickener, stabilizing agent, filler, be known substance, be various auxiliary agents conventional in pesticidal preparations, can change to some extent according to different situations, be not particularly limited.
The production and processing method of the various application forms of composition pesticide of the present invention is implemented by conventional method, all belongs to existing known technology, does not repeat them here.
The insecticide-applying way of composition pesticide of the present invention can be spread fertilizer over the fields, the one of filling with in root.Frequency of administration and amount of application change with weather conditions and damping off, root-knot nematode situation of the harm and change, can by the object using suitable dosage reach control.
The present composition is applicable to crop disease control, especially the control of cucumber damping off and root-knot nematode.
Compared with prior art, the present invention has following remarkable result.1, improve control efficiency, expanding prevention scope, can prevent and treat damping off and root-knot nematode simultaneously.2, two active ingredient mixtures, reduce a production, process cost.3, easy to use, time and labour saving.4, minimizing agricultural chemicals auxiliary material and packing material remain the infringement to ecotope.
Embodiment
In order to understand essence of the present invention better, below in conjunction with embodiment, content of the present invention is described in further detail, content mentioned in embodiment is not limitation of the invention, and in preparation method, the selection of the process conditions such as temperature, time can be suited measures to local conditions and there is no substantial effect to result.In these embodiments, unless otherwise indicated, all percentage is all weight percentage.
Embodiment 1:10% mandipropamid fosthiazate granule.
Mandipropamid 0.5%, fosthiazate 9.5%, rose dye 2%, K-122%, wooden calcium 4%, sticky powder 3%, paraffin 5%, stone flour to 100%.
Preparation method's step 1: take mandipropamid by mass percentage, fosthiazate, rose dye, K-12, wooden calcium, each material of stone flour be mixed together stirring, to be mixed evenly after cross air-flow crushing.Step 2: by step 1 semi-finished product by a certain amount of input trough type mixing machine, add water while stirring, the amount of attentional manipulation water, until material can kneaded and formed time stop adding water (accounting for total weight of material 15% ~ 20%), after material that this is mixed drop into cylinder and be a granulated into round shaped grain shape.Step 3: step 2 granule semi-finished product are entered in drying equipment and dry (60 degree of-80 degree), cooling.Step 4: enter roller machine running, will heat to liquid paraffin and slowly pour cylinder into.Step 5: the qualified rear packaging of sampling Detection.
Embodiment 2:20% mandipropamid fosthiazate suspending agent.
Mandipropamid 1%, fosthiazate 19%, JFC3%, fast T2%, alkylnaphthalene sulfonate 9%, alkylphenol-polyethenoxy base ether phosphate 11%, potassium hydroxide 3%, organosilicon 3%, citric acid 2%, sorb sodium alkoxide 0.2%, xanthans 3%, propane diols 2%, deionized water supplies 100%.
Preparation method's step 1: by above-mentioned mixing of materials.Step 2: high speed shear.Step 3: sand milling in sand mill.Step 4: the qualified rear packaging of sampling Detection.
Embodiment 3: mandipropamid and fosthiazate composition for preventing and controlling field watermelon damping off, the root-knot nematode test of pesticide effectiveness.
Reagent agent:
(1) 10% mandipropamid fosthiazate granule (embodiment 1).
(2) 20% mandipropamid fosthiazate suspension emulsions (embodiment 2).
(3) 23.4% mandipropamid suspending agents (contrast medicament).
(4) 10% fosthiazate granules (contrast medicament).
Experimental technique: this test is carried out in little He Dong village, Liang Hua town, Huidong County of Guangdong Huizhou city, treatment agent is spreaded manuer in holes (granule) and is watered and fills with root (suspending agent) after cucumber is transplanted, and in dispenser 30 days investigation prevention effects, result of the test is in table 1.
Table 1 illustrates, 10% mandipropamid fosthiazate granule of the present invention, 20% mandipropamid fosthiazate suspending agent control watermelon damping off preventive effect 89.72% ~ 96.85%, control watermelon root-knot preventive effect 90.13% ~ 96.87%, successful is better than 23.4% mandipropamid suspending agent and 10% fosthiazate granule, illustrate that mandipropamid and fosthiazate composition have raising control efficiency, expanding prevention scope.
Table 1, mandipropamid and fosthiazate composition for preventing and controlling watermelon root-knot and damping off field control effectiveness test result.
Comprehensive above result of the test finds that mandipropamid and fosthiazate are compared with single dose after composite, and improve control efficiency, expanding prevention scope, a dispenser can prevent and treat multiple diseases, saves manpower, reduces labour cost.
Claims (5)
1. contain a composition pesticide for mandipropamid and fosthiazate, it is characterized in that: active ingredient is mandipropamid and fosthiazate.
2. a kind of composition pesticide containing mandipropamid and fosthiazate according to claim 1, is characterized in that: the parts by weight ratio of mandipropamid and fosthiazate is 1:1 ~ 1:100.
3. a kind of composition pesticide containing mandipropamid and fosthiazate according to claim 1, is characterized in that: mandipropamid and the percentage by weight of fosthiazate weight summation in composition pesticide are 0.1% ~ 20%.
4. a kind of composition pesticide containing mandipropamid and fosthiazate according to claim 1, is characterized in that: described composition pesticide is processed into granule or suspending agent.
5. a kind of composition pesticide containing mandipropamid and fosthiazate according to claim 1 is for preventing and treating the application in cucumber damping off, root-knot nematode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510115122.XA CN104705340A (en) | 2015-03-16 | 2015-03-16 | Pesticide composition containing mandipropamid and fosthiazate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510115122.XA CN104705340A (en) | 2015-03-16 | 2015-03-16 | Pesticide composition containing mandipropamid and fosthiazate |
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| Publication Number | Publication Date |
|---|---|
| CN104705340A true CN104705340A (en) | 2015-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510115122.XA Pending CN104705340A (en) | 2015-03-16 | 2015-03-16 | Pesticide composition containing mandipropamid and fosthiazate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106259428A (en) * | 2016-08-23 | 2017-01-04 | 佛山市盈辉作物科学有限公司 | A kind of nematicidal composition containing fosthiazate |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1070339C (en) * | 1993-02-12 | 2001-09-05 | 拜尔公司 | Fungicidal active compound combinations |
| CN103210955A (en) * | 2013-03-24 | 2013-07-24 | 广东中迅农科股份有限公司 | Thiazole phosphine and metalaxyl granule and preparation method thereof |
| CN104206410A (en) * | 2014-04-30 | 2014-12-17 | 广东中迅农科股份有限公司 | Pesticide composition containing fosthiazate and difenoconazole |
-
2015
- 2015-03-16 CN CN201510115122.XA patent/CN104705340A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1070339C (en) * | 1993-02-12 | 2001-09-05 | 拜尔公司 | Fungicidal active compound combinations |
| CN103210955A (en) * | 2013-03-24 | 2013-07-24 | 广东中迅农科股份有限公司 | Thiazole phosphine and metalaxyl granule and preparation method thereof |
| CN104206410A (en) * | 2014-04-30 | 2014-12-17 | 广东中迅农科股份有限公司 | Pesticide composition containing fosthiazate and difenoconazole |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106259428A (en) * | 2016-08-23 | 2017-01-04 | 佛山市盈辉作物科学有限公司 | A kind of nematicidal composition containing fosthiazate |
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| PB01 | Publication | ||
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Application publication date: 20150617 |