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Weeding composition containing mesosulfuron and pinoxaden

A technology of mesosulfuron-methyl and herbicidal composition, which is applied in the direction of herbicide, algicide, biocide, animal repellent, etc., and can solve the problems of mesosulfuron-methyl mixing and unreported application, etc. Achieve the effect of reducing the amount of pesticide use, expanding the spectrum of control and improving the effect of control

Inactive 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

[0007] There is no report on the mixing and application of mesosulfuron-methyl and pinoxaden

Method used

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  • Weeding composition containing mesosulfuron and pinoxaden

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Preparation method embodiment one : (40% mesosulfuron-oxoxaden wettable powder).

[0023] Methsulfuron-methyl 10%,

[0024] pinoxaden 30%,

[0025] Wetting Agent Pull Off Powder 7%,

[0026] Dispersant NNO 12%,

[0027] Talc 4%,

[0028] Kaolin make up to 100%.

[0029] The above formula is coarsely pulverized in proportion, put into a mixer and mixed evenly, and then jet pulverized to obtain 40% mesosulfuron-oxoxaden wettable powder.

[0030] This embodiment is used for preventing and eliminating annual weeds in wheat field, 40% mesosulfuron-methyl pinoxaden wettable powder preparation mu uses 10 grams, weeds 2-3 leaf stage spraying process, 10 days after the medicine, the control effect is 97.5%; 1g a.i. / ha spray treatment with 5% Mesulfuron-methyl suspension, the control effect was 87.6% 10 days after application; The control effect on leaf weeds is 89.3%. The combination of mesosulfuron-methyl and pinoxaden can effectively control annual weeds in wheat fiel...

Embodiment 2

[0031] Preparation method embodiment two: (8% mesosulfuron-oxoxaden suspension concentrate).

[0032] Methsulfuron 2%,

[0033] pinoxaden 6%,

[0034] Emulsifier 1601# 15%,

[0035] Wetting agent LS 8%,

[0036] Dispersant SOPA-270 10%,

[0037] Bentonite 2%,

[0038] Xanthan Gum 0.3%,

[0039] Silicone defoamer 0.7%,

[0040] Glycerol 9%,

[0041] Deionized water Make up to 100%.

[0042] The above formula was pre-crushed according to the proportion, and then added to a sand mill for grinding, and then mixed by high shear to prepare 8% mesosulfuron-oxoxaden suspending agent.

[0043] This embodiment is used for preventing and eliminating annual weeds in wheat field, 8% mesosulfuron-methyl pinoxaden suspension preparation mu uses 50 grams, weeds 2-3 leaf stage spraying process, 10 days after the medicine, the control effect is 98.1 %; 5% Methsulfuron-methyl suspension dosage 1g a.i. / ha spray treatment, 10 days after treatment, the control effect was 88.9%; 15% Metos...

Embodiment 3

[0044] Preparation method embodiment three: (80% mesulfuron-methyl pinoxaden water dispersible granules):

[0045] Methsulfuron-methyl 20%,

[0046]Pinoxaden 60%,

[0047] Sodium Lauryl Sulfate 10%,

[0048] Polycarboxylate 5%,

[0049] Sodium Chloride 6%,

[0050] Polyethylene glycol 4%,

[0051] Kaolin make up to 100%.

[0052] Dry pulverize, granulate, dry and sieve the above formula in proportion to prepare 80% mesosulfuron-oxoxaden water-dispersible granules.

[0053] This embodiment is used to control annual weeds in wheat fields, 80% mesosulfuron-oxaden water-dispersible granule preparation per mu is used 5 grams, weeds are sprayed at the 2-3 leaf stage, and the control effect is 10 days after the medicine 97.7%; 1g a.i. / ha spray treatment of 5% methylsulfuron-methyl suspension, the control effect was 86.3% 10 days after treatment; Broad-leaved weed control efficiency 91.7%. The combination of mesosulfuron-methyl and pinoxaden can effectively control annual we...

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Abstract

The invention discloses a weeding composition containing mesosulfuron and pinoxaden. The parts-weight ratio of mesosulfuron to pinoxaden is (10:1) to (1:5), and 1-18 percent by weight of mesosulfuron and pinoxaden are in the weeding composition. After mesosulfuron and pinoxaden are compounded, a synergistic effect is obvious, the dosage of effective components of the compounded medicament is remarkably reduced as compared with that of effective compounds of a singly used medicament, and the weeding composition is suitable for controlling annual weeds of wheat paddocks.

Description

technical field [0001] The invention relates to a pesticide herbicide composition, which uses methylsulfuron-methyl and pinoxaden as active ingredients and is used for controlling annual weeds in wheat fields. 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] Mesulfuron-methyl is a sulfonylurea herbicide. It is mainly absorbed through the stems and leaves of plants, conducted through the phloem and xylem, and a small amount is absorbed through the soil, inhibiting the act...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/36A01P13/00A01N43/90
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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