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Pesticide composition containing bicyclopyrone, halosulfuron-methyl and bromoxynil octanoate

A technology of chlorpyrazosulfuron-methyl and bromoxynil octanoyl, which is applied in the field of pesticides, can solve the problems of poor weed resistance control effect and achieve the effect of expanding the herbicidal spectrum

Inactive Publication Date: 2016-07-13
GUANGDONG ZHONGXUN AGRI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to solve the problem of drug resistance to weeds in the prior art and the actual control effect is poor, to provide a high-efficiency, low toxicity, good quick-acting and long-lasting effect, which is beneficial to the comprehensive management of annual weeds in cornfields The pesticide composition

Method used

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  • Pesticide composition containing bicyclopyrone, halosulfuron-methyl and bromoxynil octanoate
  • Pesticide composition containing bicyclopyrone, halosulfuron-methyl and bromoxynil octanoate
  • Pesticide composition containing bicyclopyrone, halosulfuron-methyl and bromoxynil octanoate

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] Example 1: Indoor toxicity test of flufenpyrone, chlorpyrazosulfuron-methyl, bromoxynil and their compound on barnyardgrass (Echinochloacrusgalli), commelina communis (Commmelina communis) and Cyperus rotundus L.

[0038] Table 1. Indoor toxicity test results of flumetrazone, chlorpyrazosulfuron, bromoxynil and their compound pair to barnyardgrass (Echinochloacrus galli).

[0039]

[0040] The combination of herbicides was evaluated according to the Colby method. The data in Table 1 show that the ternary combination of flumetrazone, chlorpyrazosulfuron-methyl, and bromoxynil octanoyl had a significant synergistic effect on barnyardgrass (Echinochloacrus galli), E 0 -E values ​​are all greater than 20%.

[0041]Table 2. Indoor toxicity test results of flumetrazone, chlorpyrazosulfuron, bromoxynil and their compound on Commelina communis.

[0042]

[0043] According to the Colby method to evaluate the combination of herbicides, the data in Table 2 show that the ter...

Embodiment 2

[0047] Example 2 (Water-dispersible granules of flumetrazone, chlorpyrazosulfuron-octanoyl bromoxynil).

[0048]

[0049] 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 extrusion granulator to extrude and granulate. After granulation, it is dried and sieved to obtain the corresponding weight percentage of flumetrazone · chlorpyrazosulfuron · octine Bromoxynil water dispersible granules.

Embodiment 3

[0050] Example 3 (flumetrazone · clopyrazosulfuron · bromoxynil wettable powder).

[0051]

[0052] 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 flumetrazone · chlorpyrazosulfuron · bromoxynil wettable powder.

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PUM

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Abstract

The invention relates to a pesticide composition with the active ingredients of bicyclopyrone, halosulfuron-methyl and bromoxynil octanoate.The pesticide composition is prepared from, by weight, 1%-30% of bicyclopyrone, 1%-30% of halosulfuron-methyl, 1%-50% of bromoxynil octanoate and the balance pesticide adjuvants.The components of the pesticide composition are reasonable, have a synergistic action on corn field weeds and have an obvious synergistic effect especially on barnyard grass, dayflower and nut grass, the weed control spectrum of a single dosage is broadened, and the risk of weed resistance is reduced.

Description

technical field [0001] The invention belongs to the technical field of pesticides, and in particular relates to a synergistic responsive pesticide composition with flumetrazone, chlorpyrazosulfuron-methyl and bromoxynil octanoyl as active ingredients, which is suitable for controlling annual weeds in corn fields. Background technique [0002] Bicyclopyrone, a triketone ketone herbicide, is absorbed through plant roots and leaves, and conducts in the body to inhibit hydroxyphenylpyruvate dioxygenase, resulting in the accumulation of tyrosine, plastoquinone and The biosynthesis of tocopherol stops, which in turn leads to a decrease in chlorophyll content, causing the plant meristems to lose chlorosis and cause albino death. It can prevent and control annual weeds. It can be used for pre-emergence soil surface treatment and post-emergence stem and leaf treatment. The residual period in the soil is relatively long. Short, suitable for field corn, sweet corn, silage corn, seed co...

Claims

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Application Information

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IPC IPC(8): A01N43/40A01N47/36A01N37/40A01P13/00A01P13/02
CPCA01N43/40A01N37/40A01N47/36
Inventor 王礼文张志伟朱刚陈佛祥吴泽伟
Owner GUANGDONG ZHONGXUN AGRI TECH
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