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Fungicidal composition with synergetic effect

A technology of fungicide composition and synergistic effect, applied in the direction of fungicides, biocides, chemicals for biological control, etc., can solve the problem of no interaction resistance, achieve obvious synergy and complementary effects, prevent Good effect and significant synergistic effect

Inactive Publication Date: 2014-07-02
JIANGSU HUIFENG BIO AGRI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is effective for strains resistant to 1,4-demethylase inhibitors, benzamides, dicarboxylamines and benzimidazoles, and has no cross-resistance with existing fungicides

Method used

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  • Fungicidal composition with synergetic effect
  • Fungicidal composition with synergetic effect
  • Fungicidal composition with synergetic effect

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] Example 1: 62% polyhexamethylene biguanide hydrochloride · cyprodinil wettable powder

[0046] Polyhexamethylene biguanide hydrochloride 60%, cyprodinil 2%, sodium alkylnaphthalene sulfonate 4%, sodium dodecyl sulfonate 3%, ammonium sulfate 3%, light calcium carbonate supplemented to 100 %.

Embodiment 2

[0047] Example 2: 50% polyhexamethylene biguanide · cyprodinil wettable powder

[0048] Polyhexamethylene biguanide hydrochloride 25%, cyprodinil 25%, sodium lignosulfonate 6%, sodium dodecylsulfonate 3%, xanthan gum 1%, sodium carboxymethyl starch 1% , attapulgite make up to 100%.

Embodiment 3

[0049] Example 3: 65% polyhexamethylene biguanide hydrochloride · cyprodinil wettable powder

[0050] Polyhexamethylene biguanide hydrochloride 2%, cyprodinil 63%, sodium lignosulfonate 5%, sodium methylnaphthalenesulfonate formaldehyde condensate 7%, sodium lauryl sulfate 3%, diatom Fill up to 100% with soil.

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Abstract

The invention provides a fungicidal composition with a synergetic effect. The fungicidal composition comprises two active ingredients A and B, wherein the active ingredient A is a polyhexamethylene biguanidine or an agriculturally acceptable salt compound thereof, the active ingredient B is selected from one of cyprodinil, epoxiconazole, benthiavalicarb-isopropyl, zoxamide, azoxystrobin, prothioconazole, difenoconazole, fenamidone, polyoxins, iprodione, activated ester, dithianon, pyraclostrobin, Trifloxystrobin, picoxystrobin, fluazinam, thifluzamide or dimethomorph, and the weight ratio of the two ingredients is 1:50-50:1. Test results indicate that the fungicidal composition provided by the invention is remarkable in synergetic effect, more importantly less in application amount, and reduced in use cost. Fungicides with different acting mechanisms and acting modes are compounded, the application amount of each fungicide is effectively reduced; the fungicidal composition has a good function on the aspects of widening the fungicidal spectrum, delaying the fungus resistance, improving the control effect and the like.

Description

Technical field [0001] The present invention belongs to the field of agricultural plant protection, and in particular relates to a bactericidal composition with improved performance, in particular to a bactericidal composition containing. Background technique [0002] Polyhexamethylene biguanide is a broad-spectrum antibacterial agent developed by the British company Aveciago and is recognized as the safest and most efficient broad-spectrum antibacterial agent in the 21st century. It is colorless and odorless, with low dosage, broad-spectrum and low toxicity, fast action, low foaming volume, and It can form a layer of cations on the surface of the object to inhibit bacteria for a long time, and will not produce antibacterial properties. Its safety has been recognized by the US FDA and EPA, and its semi-lethal dose LD50 for mice is >5000mg / kg. , is a practical non-toxic level. Since polyhexamethylene biguanide is used as a cationic fungicide in the agricultural field, it ...

Claims

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Application Information

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IPC IPC(8): A01N47/44A01P3/00A01N43/54A01N43/653A01N47/12A01N37/20A01N43/50A01N47/38A01N43/828A01N43/32A01N47/24A01N37/50A01N43/40A01N47/02A01N43/84
Inventor 仲汉根季红进
Owner JIANGSU HUIFENG BIO AGRI CO LTD
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