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CN103828811A - Pesticide composition containing fenhexamid and fluazinam - Google Patents

Pesticide composition containing fenhexamid and fluazinam Download PDF

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Publication number
CN103828811A
CN103828811A CN201310634440.8A CN201310634440A CN103828811A CN 103828811 A CN103828811 A CN 103828811A CN 201310634440 A CN201310634440 A CN 201310634440A CN 103828811 A CN103828811 A CN 103828811A
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China
Prior art keywords
fluazinam
fenhexamid
pesticide
pesticide composition
reduces
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CN201310634440.8A
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Chinese (zh)
Inventor
王礼文
于飞
陈佛祥
朱刚
冷忠国
张志伟
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Guangdong Zhongxun Agri Science Corp
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Guangdong Zhongxun Agri Science Corp
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Priority to CN201310634440.8A priority Critical patent/CN103828811A/en
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Abstract

The invention discloses a pesticide composition containing fenhexamid and fluazinam. The pesticide composition comprises common assistants, fenhexamid and fluazinam. A weight part ratio of fenhexamid to fluazinam is in a range of 15: 1 to 1: 15. The pesticide composition is suitable for prevention and control of diseases of crops and especially has good effects of prevention and treatment on Botryis cinerea-caused gray mold of various crops. Compared with a single-component pesticide, the pesticide composition has obvious synergism, reduces a pesticide use amount, reduces a pesticide use cost, prolongs a pesticide service life and reduces the adverse influences caused by the pesticide on the ecological environment.

Description

A kind of composition pesticide that contains fenhexamid and fluazinam
Technical field
The composition pesticide the present invention relates to, is taking fenhexamid and fluazinam as active ingredient, is applicable to prevent and treat crop pest, is particularly useful for preventing and treating crop gray mold.
Background technology
In crop growth process, be easily subject to various diseases and contaminate, particularly fungal disease, its kind is many, causes harm serious.The gray mold that Botrytis cinerea can cause various plants, causes the underproduction.
For a long time, chemical control is to prevent and treat the main effective means of crop pest.But, due to single drug and not Scientific Usage of Drugs for a long time, cause pathogen to produce resistance to the agricultural chemicals of current use, using dosage and medication number of times increase the development that is still difficult to effectively control disease year by year, the harm of ecotope is also being increased, meanwhile, also difficult secure to the safety of crop.
Fenhexamid is mainly the synthetic of check melanin and promotes the generation of plant antibiotic, is mainly used in rice field control rice blast, various gray mold and relevant stalk break, black spot etc.Gray mold is had to special efficacy.
Fluazinam belongs to 2, 6-dinitroanilines, for methionine biosynthesis inhibitor, there is protection, treatment, blade penetrates and root systemic activity, product are to interlink spore genus, Botrytis, Phytophthora, Plasmopara, Sclerotinia and black to cultivate Pseudomonas bacterium very effective, Botrytis cinerea to anti-benzimidazole type and dicarboximide class biocide agent also has good result, resistance of rainwater washing against, lasting period is long, have the effect of good planting property of control food mite class concurrently, crucifer club root is also had to remarkable preventive effect, to also having good preventive effect by the microbial paddy rice damping off of head mold.
The mixture of different pesticide species is common methods of the agriculture resistance disease of control.Screening by formulation of pesticide, filter out rational formula, can effectively improve actual control efficiency, reduce dosage, reduce costs, delay the generation of disease drug resistance, is the important means of the disease comprehensive regulation.Fenhexamid and fluazinam mixture have obvious synergistic effect.
Summary of the invention
The technical problem that the present invention need solve is: overcome that in prior art, dosage is large, cost is high, large to ecotope harm, to shortcomings such as crop safety are low, provide a kind of efficient, safety, low toxicity and lasting period long, be conducive to the composition pesticide that contains fenhexamid and fluazinam of comprehensive regulation crop grey mold disease.
For addressing the above problem, the technical solution adopted in the present invention is: a kind of composition pesticide that contains fenhexamid and fluazinam, comprise usual auxiliaries, fenhexamid and fluazinam, and the ratio of weight and number of fenhexamid and fluazinam is 15:1-1:15.
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 of the applicable agricultural uses such as suspending agent, water dispersible granules, wetting powder.
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, 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, for preventing and treating the plant disease in agricultural, is particularly useful for preventing and treating gray mold.
, in the time of application, should there is early stage or the use of disease initial stage of origination in disease in composition pesticide of the present invention.
Composition pesticide of the present invention, adopts the method for spraying to use conventionally, also can adopt as required other operation techniques of the upper application of agricultural.
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, has reduced the using dosage of agricultural chemicals, reduce drug cost, reduced the adverse effect of agricultural chemicals to ecotope;
2, the combination of two kinds of bactericide of the present invention, has expanded fungicidal spectrum;
3, 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, extend the service life of medicament, to the comprehensive regulation important in inhibiting of disease.
Brief description of the drawings
Fig. 1 is the synergy actual measurement to Botrytis cinerea of fenhexamid and fluazinam and theoretical equivalent line chart (fenhexamid and the fluazinam mixture equivalent line to Botrytis cinerea, series 1 is mixture equivalent line, serial 2 is theoretical equivalent line).
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 percentage is all weight percentage.
Example of formulations 1:(40% fenhexamid fluazinam suspending agent)
Following material is all weight percentage: fenhexamid 20%, fluazinam 20%, lignosulfonates 3%, calcium dodecyl benzene sulfonate 3%, xanthan gum 0.1%, empgen BB 5%, fatty alcohol-polyoxyethylene ether 5%, glycerine 5%, gum Arabic 0.1%, deionized water complements to 100%, and above-mentioned formula is pulverized in proportion in advance, add in sand mill and grind again, after high shear mixing, allotment makes 40% fenhexamid fluazinam suspending agent.
Example of formulations 2:(30% fenhexamid fluazinam suspending agent)
Following material is all weight percentage: fenhexamid 24%, fluazinam 6%, lignosulfonates 3%, calcium dodecyl benzene sulfonate 3%, xanthan gum 0.1%, empgen BB 5%, fatty alcohol-polyoxyethylene ether 5%, glycerine 5%, gum Arabic 0.1%, deionized water complements to 100%, and above-mentioned formula is pulverized in proportion in advance, add in sand mill and grind again, after high shear mixing, allotment makes 30% fenhexamid fluazinam suspending agent.
Example of formulations 3:(60% fenhexamid fluazinam water dispersible granules)
Following material is all weight percentage: fenhexamid 15%, fluazinam 45%, lauryl sodium sulfate 6%, dispersant lignosulfonates 4%, disintegrant sodium chloride 2%, binding agent polyethylene glycol 3%, stable meltable starch 3%, kaolin complements to 100%, and by above-mentioned formula, 60% fenhexamid fluazinam water dispersible granules is made and obtained in dry pulverization process, granulation, dry, screening in proportion.
Example of formulations 4:(50% fenhexamid fluazinam water dispersible granules)
Following material is all weight percentage: fenhexamid 13%, fluazinam 37%, lauryl sodium sulfate 6%, dispersant lignosulfonates 4%, disintegrant sodium chloride 2%, binding agent polyethylene glycol 3%, stable meltable starch 3%, kaolin complements to 100%, and by above-mentioned formula, 50% fenhexamid fluazinam water dispersible granules is made and obtained in dry pulverization process, granulation, dry, screening in proportion.
Example of formulations 5:(50% fenhexamid fluazinam wetting powder)
Following material is all weight percentage: fenhexamid 20%, and fluazinam 30%, pulls open powder 3%, lignosulfonates 6%, talcum powder 15%, kaolin complements to 100%.Above-mentioned formula is entered in blender after coarse crushing and mixed in proportion, then after air-flow crushing, make 50% fenhexamid fluazinam wetting powder.
Example of formulations 6:(40% fenhexamid fluazinam wetting powder)
Following material is all weight percentage: fenhexamid 12%, and fluazinam 28%, pulls open powder 3%, lignosulfonates 6%, talcum powder 15%, kaolin complements to 100%.Above-mentioned formula is entered in blender after coarse crushing and mixed in proportion, then after air-flow crushing, make 40% fenhexamid fluazinam wetting powder.
Biologicall test embodiment 1: Toxicity Determination test
For further understanding fenhexamid and the virulence of fluazinam mixture to Rhizoctonia solani Kuhn, the inventor has carried out a large amount of formulation screening tests to fenhexamid and fluazinam mixture.
Table 1, fenhexamid and fluazinam and mixture thereof the Toxicity Determination result to Botrytis cinerea
Figure BDA0000424966540000041
Figure BDA0000424966540000051
See Fig. 1, fenhexamid and fluazinam synergy actual measurement and the theoretical equivalent line (Fig. 1 data come from table 1) to Botrytis cinerea.
As shown in Figure 1, actual measurement equivalent line series 1 is under theoretical equivalent line series 2, and fluazinam and fenhexamid are composite shows obvious synergistic effect to Botrytis cinerea.
Biologicall test embodiment 2: the field control effectiveness test of control graw mold of tomato.
Reagent agent and dispenser dosage:
(1) 40% fenhexamid fluazinam suspending agent (fenhexamid 20%: fluazinam 20%), mu 25 grams, preparation (1#)
(2) 50% fenhexamid fluazinam water dispersible granules ((fenhexamid 13%: fluazinam 37%), mu 20 grams, preparation (2#);
Contrast medicament and dispenser dosage:
(1) 50% fenhexamid suspending agent, mu 30 grams, preparation (3#);
(2) 50% fluazinam suspending agents, mu 35 grams, preparation (4#).
Spraying time and application method: graw mold of tomato their early stage, is watered even spraying.
Result of the test: in table 1, as can be seen from the test results: after dispenser 14 days, fluazinam of the present invention and fenhexamid mixture composition to graw mold of tomato preventive effect all more than 90%, significantly better than the single dose of contrast; After dispenser 21 days, fluazinam of the present invention and fenhexamid mixture composition to graw mold of tomato preventive effect all more than 93%, also significantly better than the single dose of contrast; In process of the test, each medicament is showed no poisoning generation.Illustrate that fluazinam of the present invention and fenhexamid mixture composition are better than single dose, improve actual control efficiency, reduce dosage, reduce costs, reduce the adverse effect of medicament to environment, delay the generation of disease drug resistance, agricultural synthesis is administered and had great significance.
The field control effectiveness test result of table 2, control graw mold of tomato.
Figure BDA0000424966540000061

Claims (2)

1. a composition pesticide that contains fenhexamid and fluazinam, is characterized in that: active ingredient is fenhexamid and fluazinam, and the part by weight of fenhexamid and fluazinam is 15:1~1:15.
2. a kind of composition pesticide that contains fenhexamid and fluazinam according to claim 1, is characterized in that: be applicable to prevent and treat crop pest, be particularly useful for preventing and treating crop gray mold.
CN201310634440.8A 2013-11-28 2013-11-28 Pesticide composition containing fenhexamid and fluazinam Pending CN103828811A (en)

Priority Applications (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016203154A1 (en) * 2015-06-19 2016-12-22 Phyteurop S.A. Process for treating perennial plant wood diseases

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1094221A (en) * 1993-04-28 1994-11-02 拜尔公司 Composition of fungicidally active compounds

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1094221A (en) * 1993-04-28 1994-11-02 拜尔公司 Composition of fungicidally active compounds

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016203154A1 (en) * 2015-06-19 2016-12-22 Phyteurop S.A. Process for treating perennial plant wood diseases
FR3037479A1 (en) * 2015-06-19 2016-12-23 Phyteurop S A PROCESS FOR TREATING WOOD DISEASES OF PERENNIAL PLANTS

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Application publication date: 20140604