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Wheat filed weeding combination

A herbicidal composition, a technology for wheat fields, applied in the directions of herbicides, algaecides, biocides, animal repellents, etc., can solve the problems of unreported mixing and application, and reduce the use of pesticides and pollution. , improve the effect of prevention and control

Active Publication Date: 2013-12-25
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

[0008] There is no report on the mixing and application of saflufenacil, mefentrazone, and fluroxyfen

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Embodiment one (27% saflufenacil, mefentrazone, fluroxypyr wettable powder):

[0019] Saflufenacil 6%,

[0020] Mefentrazone 3%,

[0021] Fluroxypyr 18%,

[0022] Wetting Agent Pull Off Powder 7%,

[0023] Dispersant NNO 12%,

[0024] Talc 4%,

[0025] Kaolin make up to 100%.

[0026] The above formula is coarsely pulverized in proportion, put into a mixer and mixed evenly, and then air-jet pulverized to obtain 27% saflufenacil · fentrazone · fluroxypyr wettable powder.

[0027] This embodiment is used for preventing and eliminating annual weeds in wheat fields, 27% saflufenacil, fenflurzone, and fluroxypyroxyacetic acid WP preparation is used for 30 grams per mu, and the weeds are sprayed at the 2-3 leaf stage. 37.5g a.i. / ha spray treatment with 3% saflufenacil suspension, the control effect was 74.6% 10 days after application; The control effect on broad-leaved weeds was 85.3%; 20% fluroxypyr acetic acid suspension was sprayed with 150g a.i. / ha, and the contro...

Embodiment 2

[0028] Embodiment two (17% saflufenacil · fenflurzone · fluroxypyr suspension concentrate):

[0029] Saflufenacil 4%,

[0030] Mefentrazone 1%,

[0031] Fluroxypyr 12%,

[0032] Emulsifier 1601# 15%,

[0033] Wetting agent LS 8%,

[0034] Dispersant SOPA-270 10%,

[0035] Bentonite 2%,

[0036] Xanthan Gum 0.3%,

[0037] Silicone defoamer 0.7%,

[0038] Glycerol 9%,

[0039] Deionized water Make up to 100%.

[0040] The above formula is pre-crushed according to the proportion, and then added to a sand mill for grinding, and then prepared after high-shear mixing to prepare a 17% pyrimidine saflufenacil-meflumezone-fluroxyfen suspension concentrate.

[0041] This embodiment is used for preventing and controlling annual weeds in wheat fields, 17% saflufenacil, fenflurzone, and fluroxyfen suspension formulation per mu is used for 50 grams, and the weeds are sprayed at the 2-3 leaf stage, and 10 days after the medicine The control effect was 96.1%; 37.5g a.i. / ha of 3% s...

Embodiment 3

[0042] Embodiment three (68% saflufenacil · fenflurzone · fluroxyfen water dispersible granules):

[0043]Saflufenacil 16%,

[0044] Mefentrazone 4%,

[0045] Fluroxypyr 48%,

[0046] Sodium Lauryl Sulfate 10%,

[0047] Polycarboxylate 5%,

[0048] Sodium chloride 6%,

[0049] Polyethylene glycol 4%

[0050] Kaolin make up to 100%.

[0051] The above formula was dry pulverized, granulated, dried, and sieved according to the proportion to prepare 68% saflufenacil-metrazone-fluroxyfen water-dispersible granules.

[0052] This embodiment is used for controlling annual weeds in wheat fields, 12 grams of 17% saflufenacil-metraflun-pyroxyfen water-dispersible granule preparation per mu, spraying treatment at the 2-3 leaf stage of weeds, after the medicine The 10-day control effect was 95.1%; 37.5g a.i. / ha spray treatment with 3% saflufenacil suspension, the control effect was 71.2% after 10 days; 10 days after application, the control effect on broad-leaved weeds was 78.7%...

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PUM

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Abstract

The invention discloses a wheat filed weeding combination. The wheat filed weeding combination comprises the following effective components by weight percentage: 1-20 percent of pyribenzoxim, 1-20 percent of carfentrazone-ethyl, 1-50 percent of fluroxypyr, and pesticide adjuvant in balancing amount. Pyribenzoxim, carfentrazone-ethyl and fluroxypyr have remarkable synergism after being compounded, and are used less in the compounded agent than to be used individually, so that the agent use cost is lowered, and the weeding combination is suitable for preventing and weeding weed in wheat fields.

Description

technical field [0001] The pesticide herbicide composition of the present invention uses saflufenacil, mefentrazone and fluroxyfen as active ingredients, and is used for controlling annual weeds in wheat fields and the like. Background technique [0002] Chemical weeding is one of the main means of controlling weeds in agriculture. In recent years, due to the large-scale single use of some herbicide varieties, many weeds have developed resistance. At the same time, when weeds occur, the grass phase is complex, not only annual and perennial weeds are mixed, herbs, vines and shrubs are mixed, but also the emergence of weeds is uneven, and the seeds, young and old weeds are staggered, so the herbicide species alone When used, all will show some defects and limitations. [0003] Saflufenacil is an oxime ester compound, a broad-spectrum selective post-emergence herbicide. The mechanism of action is similar to that of sulfonylurea and imidazolone herbicides, both of which are a...

Claims

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Application Information

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IPC IPC(8): A01N43/653A01P13/00A01N43/54A01N43/40
Inventor 谢石发邹勇朱刚
Owner 湖南农大海特农化有限公司
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