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A herbicidal composition containing saflufenacil and fluroxyfen

A fluroxypyr and fluroxypyr methyl ester technology, which is applied to herbicides, algicides, biocides, animal repellents, etc., can solve the problem of complex weeds and can not solve the problem of farmland weeds, Weed resistance and other problems, to achieve the effect of reducing the dosage, improving the effect and prolonging the service life

Active Publication Date: 2018-11-20
湖南农大海特农化有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Large-scale use of a single herbicide species quickly leads to resistance in weeds
At the same time, when weeds occur in farmland, the grass phase is complex, grass weeds, broad-leaved weeds, and sedge weeds are mixed, and the use of a single herbicide cannot solve the weeds in the farmland, and all of them will show some defects and limitations

Method used

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  • A herbicidal composition containing saflufenacil and fluroxyfen
  • A herbicidal composition containing saflufenacil and fluroxyfen
  • A herbicidal composition containing saflufenacil and fluroxyfen

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Example 1: Determination of the combined effect of saflufenacil and isooctyl fluroxypyr.

[0019] Test materials: Monochoria vaginalis, Fimbristylisaestivalis (Retz.) Vahl, Echinochloa crusgalli (L.) Beaw Setaria, Leersia hexandra.

[0020] Test method: respectively add saflufenacil technical product and isooctyl fluroxypyr acetate technical product into acetone and fully dissolve them, then dilute them with 0.1% Tween 80 aqueous solution, prepare single-dose mother solutions respectively, and set up series according to the purpose of mixing For each ratio, set 5 concentration gradients. Select representative sensitive weed seeds according to the single-dose herbicidal spectrum, and cultivate them until 3 leaves for later use. After the stems and leaves of the weeds with the selection number were treated, they were placed in a light incubator and cultivated at room temperature for 20 days, and the control effect (fresh weight) was calculated.

[0021] Investigation me...

Embodiment 2

[0036] Example 2: Preparation Example.

[0037] 30% saflufenacil · isooctyl fluroxyfen suspension concentrate: saflufenacil 10%, isooctyl fluroxypyr 20%, Nongru 1601# 15%, LS 5%, alkylphenol Polyoxyethylene ether 4%, sodium lauryl sulfate 3%, bentonite 3%, xanthan gum 0.2%, organic silicon 0.4%, propylene glycol 5%, and deionized water to make up to 100%. The above formula is pre-pulverized according to the proportion, then put into a sand mill for grinding, and then prepared after high-shear mixing to prepare a 30% saflufenacil·fluroxypyr isooctyl suspension concentrate.

[0038] 15% saflufenacil · isooctyl fluroxypyr acetate dispersible oil suspension concentrate: saflufenacil 5%, isooctyl fluroxypyr acetate 10%, calcium dodecylbenzenesulfonate 5%, Sodium butyl naphthalene sulfonate 3%, castor oil polyoxyethylene ether 5%, sodium lignosulfonate 4%, epoxy soybean oil 3%, methyl oleate up to 100%. The above-mentioned materials are pre-crushed in proportion, then added to a s...

Embodiment 3

[0040] Embodiment 3: field application embodiment

[0041] Test agent and treatment:

[0042] (1) 5% saflufenacil · 10% fluroxypyr isooctyl dispersible oil suspension concentrate, dosage 30g a.i. / ha (1#);

[0043] (2) 5% saflufenacil · 10% fluroxypyr isooctyl dispersible oil suspension concentrate, dosage 40g a.i. / ha (2#);

[0044] (3) 5% saflufenacil · 10% fluroxypyr isooctyl dispersible oil suspension concentrate, dosage 50g a.i. / ha (3#);

[0045] Control drug and dosage:

[0046] (4) 10% saflufenacil dispersible oil suspension concentrate, dosage 40g a.i. / ha (5#);

[0047] (5) 200 g / L fluroxypyr isooctyl dispersible oil suspension concentrate, the dosage is 40g a.i. / ha (6#).

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Abstract

The invention discloses a weeding composition containing pyribenzoxim and fluroxypyr. The weeding composition is prepared from the effective components of the pyribenzoxim and the fluroxypyr, and the rest of pesticide adjuvants; the mass fraction ratio of the pyribenzoxim to the fluroxypyr in the weeding composition is 1:20 - 10:1. The weeding composition can be prepared into a suspending agent, a dispersable oil suspending agent or wettable powder according to application needs, is used for preventing and removing annual weeds in a paddy field, and is obviously superior to various single agents in the effect of preventing and removing the annual weeds in the paddy field, the pesticide use amount is reduced, and the pesticide resistance of the weeds is delayed.

Description

technical field [0001] The invention relates to a pesticide and herbicide composition, which contains saflufenacil and fluroxyfen as active ingredients, and is used for controlling annual weeds in paddy fields. Background technique [0002] Chemical weeding is one of the main means of controlling weeds in agriculture. Widespread use of a single herbicide species quickly leads to resistance in weeds. At the same time, when weeds occur in farmland, the grass phase is complex, grass weeds, broad-leaved weeds, and sedge weeds are mixed, and the use of a single herbicide cannot solve the weeds in the farmland, and all of them will show some defects and limitations. Mixing different types of herbicides has the advantages of broad herbicidal spectrum, improving the actual effect, delaying weed resistance, and saving time and labor. [0003] Saflufenacil, the chemical name is O-[2,6-bis(4,6-dimethoxy-2-pyrimidinyl)oxy]benzoylbenzene(2-trifluoromethyl)formaldehyde oxime, pyrimidin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N43/54A01N43/40A01P13/00
CPCA01N43/40A01N43/54A01N2300/00
Inventor 陈佛祥邹勇谢石发康逢斌
Owner 湖南农大海特农化有限公司
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