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Herbicidal composition of paddy field

A herbicidal composition and rice field technology, applied in the field of herbicidal composition in rice fields, can solve the problems of few varieties, lagging behind, and long service life, and achieve the effect of wide herbicidal spectrum, convenient use, and high herbicidal activity

Inactive Publication Date: 2017-09-08
ANHUI ZHONGBANG BIOLOGICAL ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The development of herbicides in paddy fields lags behind, and there are not many varieties. The widely used ones are bensulfuron-methyl, acetochlor, and tetrachloride. However, due to the long service life of these products, weeds have developed drug resistance. And they are not ideal for barnyardgrass and daughter

Method used

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  • Herbicidal composition of paddy field
  • Herbicidal composition of paddy field
  • Herbicidal composition of paddy field

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1、40

[0021] Embodiment 1, 40% wettable powder:

[0022] Methamphetamide 8%

[0023] Grass grass 32%

[0024] Silicone 1.5%

[0025] Sodium lignosulfonate 1%

[0026] Sodium Lauryl Sulfate 1%

[0027] Kaolin fills up to 100%.

Embodiment 2、33

[0028] Embodiment 2, 33% wettable powder:

[0029] Methamphetamide 3%

[0030] Molinate 30%

[0031] Sodium methylene bis-tetrasulfonate 2%

[0032] Alkylbenzenesulfonate 1%

[0033] Kaolin fills up to 100%.

[0034] Embodiment 3, 35% dispersible suspension concentrate:

[0035] Methamphetamide 5%

[0036] Grass 30%

[0037] Silicone 2%

[0038] Sodium methylene bis-tetrasulfonate 2%

[0039] Sodium Lauryl Sulfate 2%

[0040] Soybean oil makes up to 100%.

Embodiment 4、33

[0041] Embodiment 4,33% dispersible oil suspension concentrate

[0042] Methamphetamide 3%

[0043] Molinate 30%

[0044] Sodium methylene bis-tetrasulfonate 2%

[0045] Sodium Lauryl Sulfate 2%

[0046] Fatty alcohol polyoxyethylene ether 10%

[0047] Methyl oleate fills up to 100%.

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Abstract

The invention discloses an herbicidal composition of a paddy field. The herbicidal composition contains active ingredients of a component A and a component B. The component A is metamifop. The component B is benthiocarb or molinate. A mass ratio of the component A to the component B is 1-40: 10-90. The herbicidal composition produces synergism, is mainly used for removing annual weeds in a direct seeding rice field or a transplanted field, is used for preventing and removing gramineous weeds such as barnyard grass and moleplant seed lushly growing in the direct seeding rice field, broadleaf weeds such as Rotala indica, duck tongue and wartwort, and cyperus weeds such as Eleocharis yokoscensis and cyperus difformis. The herbicidal composition has the characteristics of high herbicidal activity, wide herbicide spectrum and convenient use, is safe for rice and is an environment-friendly herbicide.

Description

technical field [0001] The invention belongs to the technical field of pesticide herbicides, in particular to a herbicidal composition for paddy fields. Background technique [0002] Rice is one of the main food crops in my country. Rice is the staple food of about 60% of the country's population. Its sown area accounts for about 18.5% of the country's total sown area, and rice output accounts for 39.23% of the total grain output. Therefore, the increase or decrease of rice output have a significant impact. However, all kinds of weeds have affected the yield of rice all the time. According to investigations, the loss of rice yield in fields damaged by weeds is generally 10-20%, and serious loss is 40-50%. In recent years, a labor-saving and water-saving planting method of live-seeding rice has risen rapidly, and its weed control is particularly important. Among them, barnyardgrass, stephenia and other gramineous weeds have a greater impact and are more difficult to control, ...

Claims

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Application Information

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IPC IPC(8): A01N47/16A01N47/12A01N43/76A01P13/00
CPCA01N47/16A01N43/76A01N47/12A01N2300/00
Inventor 黄自云吴电亮张建邦陈金红
Owner ANHUI ZHONGBANG BIOLOGICAL ENG
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