Weeding composition containing foramsulfuron, topramezone and iodosulfuron-methyl-sodium

A technology of fenflufenazone and foramsulfuron-methyl, applied in the field of pesticides, can solve problems such as no related reports in compounding, and achieve the effect of expanding the herbicidal spectrum

Inactive Publication Date: 2015-09-09
GUANGDONG ZHONGXUN AGRI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] There is no relevant report on the compounding ...

Method used

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  • Weeding composition containing foramsulfuron, topramezone and iodosulfuron-methyl-sodium
  • Weeding composition containing foramsulfuron, topramezone and iodosulfuron-methyl-sodium
  • Weeding composition containing foramsulfuron, topramezone and iodosulfuron-methyl-sodium

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] Example 1: Indoor Toxicity Determination of Foramsulfuron-methyl, Profentrazone, Iodosulfuron-methyl and Their Compounds Convolvulus arvensis, Portulaca oleracea, and Acalypha australis test.

[0037] Table 1. Indoor toxicity test results of foramsulfuron-methyl, metramezone, iodosulfuron-methyl and their compound on field bindweed (Convolvulus arvensis).

[0038]

[0039]According to the Colby method to evaluate the herbicide combination mode, the data in Table 1 shows that the ternary combination of foramsulfuron-methyl, metrafen-methyl, and iodosulfuron-methyl has a significant synergistic effect on field bindweed (Convolvulus arvensis), E 0 -E values ​​are all greater than 20%.

[0040] Table 2. Laboratory toxicity test results of foramsulfuron-methyl, metramezone, iodosulfuron-methyl and their compound pair purslane (Portulaca oleracea).

[0041]

[0042] According to Colby method evaluation herbicide combination mode, table 2 data shows, foramsulfuron-meth...

Embodiment 2

[0046] Example 2: (Foramsulfuron-methyl-metrafen-methyl-iodosulfuron-methyl water-dispersible granule).

[0047]

[0048] Put the above materials together into the conical mixer and mix them evenly, and then crush them through the jet mill, and then mix the crushed materials through the conical mixer. Knead into a plastic material, and finally put the material into an extruding granulator to extrude and granulate. After granulation, it is dried and sieved to obtain the corresponding weight percentage of foramsulfuron-pyrazenone-iodine Metsulfuron-methyl water-dispersible granules.

Embodiment 3

[0049] Example 3: (Foramsulfuron-methyl-metrafen-methyl-iodosulfuron wettable powder).

[0050]

[0051] Put the above materials together into the conical mixer and mix them evenly, then pulverize them through the jet mill, and then mix the pulverized materials through the conical mixer. The fineness of the mixed materials is 98% and pass through a 600-mesh standard sieve to obtain the corresponding weight Percentage of Foramsulfuron-Tenmetrazone-Iodosulfuron-methyl WP.

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PUM

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Abstract

The invention relates to weeding composition containing foramsulfuron, topramezone and iodosulfuron-methyl-sodium. The active ingredients comprise foramsulfuron, topramezone and iodosulfuron-methyl-sodium in a weight proportion being (0.1-50): (0.1-40): (0.1-20). The weeding composition is suitable for controlling and eliminating annual weed in the corn field, especially for annual dominant weed such as convolvulus arvensis, portulaca oleracea and acalypha australis in the corn field. The weeding composition has the synergistic interaction effect, enlarges the weed control spectrum and reduces the weed resistance risk.

Description

technical field [0001] The invention belongs to the technical field of pesticides, and in particular relates to a herbicidal composition with foramsulfuron-methyl, metrafenone and iodosulfuron-methyl as active ingredients, which is suitable for controlling annual weeds in corn fields, especially bindweed (Convolvulus arvensis), purslane (Portulaca oleracea), and amaranth (Acalypha australis) are the dominant annual weeds in cornfields. Background technique [0002] Foramsulfuron, a sulfonylurea systemic herbicide, can be absorbed by the stems, leaves and roots of weeds, and then conducts in plants, causing growth stagnation, chlorosis of stems and leaves, and gradual death of sensitive plants. It dies in 20-25 days, but some perennial weeds take longer in cooler temperatures. The efficacy of pesticide application is good before the 4-leaf stage after budding, and the efficacy of pesticide application decreases when the seedlings are large. The drug has pre-emergence herbic...

Claims

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Application Information

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IPC IPC(8): A01N47/36A01P13/00A01N43/80
Inventor 王礼文朱刚吴泽伟张志伟陈佛祥
Owner GUANGDONG ZHONGXUN AGRI TECH
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