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Weeding composition

A herbicidal composition and compound technology, applied in the direction of herbicides, algicides, biocides, animal repellents, etc., can solve the problems of short application window period, environmental pollution, narrowing herbicidal spectrum, etc., and achieve The effect of expanding the weed control spectrum, good crop safety and good control effect

Active Publication Date: 2021-10-08
QINGDAO AUDIS BIO TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Herbicide varieties containing a single active component have defects in weed control to varying degrees. After continuous use, weeds are prone to develop resistance, narrowing the herbicidal spectrum, and environmental pollution.
There are a series of problems such as early emergence of weeds in rice direct seeding fields, long emergence cycle, strong drug resistance, and short application window period.

Method used

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  • Weeding composition
  • Weeding composition
  • Weeding composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] Embodiment 1: Indoor activity test of mixed medicament to barnyardgrass

[0043] As shown in Table 1, the compound of formula (I), penoxsulam and saflufenacil have excellent indoor activity on barnyardgrass. Compound of formula (I) and penoxsulam 25+5(5:1), 25+10(5:2), 25+15(5:3), 50+5(10:1), 50+10 (5:1), 50+15(10:3), 100+15(20:3) all showed synergistic effect on barnyardgrass control; :2), 25+15(5:3), 25+20(5:4), 50+10(5:1), 50+15(10:3), 50+20(5:2), 100 +20(5:1) showed a synergistic effect on barnyardgrass control.

[0044] Table 1 Combined effect of mixture on barnyardgrass

[0045]

Embodiment 2

[0046] Embodiment 2: Indoor activity test of mixed medicament to heteromorphic sedge

[0047] As shown in Table 2, the compound of formula (I), penoxsulam and saflufenacil have excellent indoor activity against Cyperus sedge. Compound of formula (I) and penoxsulam 25+5(5:1), 25+10(5:2), 25+15(5:3), 50+10(5:1), 50+15 (10:3), 100+15(20:3) all showed synergistic effect on the control effect of heterosedge; the compound of formula (I) and saflufenacil 25+10(5:2), 25+15( 5:3), 25+20(5:4), 50+10(5:1), 50+15(10:3), 50+20(5:2), 100+15(20:3), 100+20(5:1) showed a synergistic effect on the control effect of heterocysmus.

[0048] Table 2 Combined effect of mixing on heterocyperus

[0049]

Embodiment 3

[0050] Embodiment 3: Indoor activity test of mixed medicament to snakehead sausage

[0051] As shown in Table 3, the compound of formula (I), penoxsulam and saflufenacil have excellent indoor activity on snakehead sausage. Compound of formula (I) and penoxsulam 25+5(5:1), 25+10(5:2), 25+15(5:3), 50+10(5:1), 50+15 (10:3), 100+15(20:3) all showed synergistic effect on the control effect of snakehead; :3), 25+20(5:4), 50+10(10:1), 50+15(10:3), 50+20(5:2), 100+20(5:1) for snakehead Intestinal anti-efficacy showed synergistic effect.

[0052] Table 3 Combined effect of mixture on snakehead sausage

[0053]

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PUM

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Abstract

The invention belongs to the technical field of pesticides, and discloses a weeding composition which comprises an active component A and an active component B. The active component A is an effective amount of a compound shown in a formula (I) defined in the description, and the active component B is selected from one of penoxsulam and pyribenzoxim. The mass ratio of the active component A to the active component B is 50: 1 to 1: 50. The weeding composition disclosed by the invention is reasonable in component, has a sealing and killing effect while expanding a weeding spectrum, is rapid and thorough in weeding and lasting in pesticide effect, not only delays the pesticide resistance of weeds, but also reduces the dosage, and is environment-friendly.

Description

technical field [0001] The invention relates to a herbicidal composition, in particular to a herbicidal composition and its application, and belongs to the technical field of pesticide herbicide compounding. Background technique [0002] Rice is one of the most important food crops in my country, and the harm of weeds seriously affects the quality and yield of rice. Weeds not only compete with rice for light, water, nutrients and space, but also indirectly increase the spread of diseases and insect pests. With the transfer of land, the increase of large planters, and the aging of the rural labor force, direct seeding of rice has become the mainstream planting method in rice areas. At present, weeds of the genus Barnyardgrass, Qianjinzi, crabgrass, Yujiuhua, Arthia sativa, special-shaped sedge, knotgrass, and weeds in rice fields in my country are seriously harmful. The weeds emerge early and have a long period of unearthing. Problems such as strong drug resistance seriously...

Claims

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Application Information

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IPC IPC(8): A01N43/36A01N43/54A01N43/90A01P13/00
CPCA01N43/36A01N43/54A01N43/90
Inventor 葛家成刘金玲白复芹张芳孙海燕史淑倩
Owner QINGDAO AUDIS BIO TECH CO LTD
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