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Dry land herbicide

A herbicide and dry land technology, applied in the field of dry field herbicides, can solve the problems of unsatisfactory control effect, high cost and unsafety of broad-leaved weeds, and achieve delay of weed resistance, volume reduction, convenient transportation and use Effect

Inactive Publication Date: 2003-09-24
吴应多
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Acetochlor is a selective pre-emergent herbicide, which can control annual grass weeds and some annual broad-leaved weeds, but the control effect on some broad-leaved weeds is not ideal
Clomazone is an oxazolone selective pre-emergence herbicide, mainly used for controlling broad-leaved weeds in soybean fields, but the cost of using clomazone EC alone is high, unsafe and seriously polluting

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] The weight content percentage of each component is:

[0039] Acetochlor 25%

[0040] Clomazone 10%

[0041] Sodium lignosulfonate 4%

[0042] Farm Milk 500 5%

[0043] Sodium dodecylbenzenesulfonate 0.5%

[0044] Silica 30%

[0045] Light calcium carbonate balance.

[0046] As described in the instructions, the wettable powder containing 35% active ingredients was prepared, and its herbicidal effect is shown in Table 1-2 (in the table - Hugh is the dry land herbicide of the present invention).

Embodiment 2

[0047] Embodiment 2: the percentage by weight of each component is:

[0048] Acetochlor 40%

[0049] Clomazone 5%

[0050] Sodium dodecylbenzenesulfonate 0.5%

[0051] Sodium lignosulfonate 7%

[0052] Farm Milk 8205 10%

[0053] Silica 30%

[0054] Light calcium carbonate Balance.

[0055] A wettable powder containing 45% active ingredient was prepared as described in the specification.

Embodiment 3

[0056] Embodiment 3: the percentage by weight of each component is:

[0057] Acetochlor 30%

[0058] Clomazone 20%

[0059] Sodium dodecylbenzenesulfonate 5%

[0060] NNO8%

[0061] Farm Milk 600 12%

[0062] Silica 20%

[0063] Bentonite balance.

[0064]

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PUM

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Abstract

The dry land herbicide is recompounded by using acetochlor and clomazone as effective components and adding wetter, dispersant, emulsifier, stuffing, etc. and has an acetochlor content of 1-50% and aclomazone content of 0.1-50%. It has wide herbicidal spectrum and high herbicidal effect and its use can reduce number of applying herbicide, retard resistance of herbs and reduce environmental pollution.

Description

1. Technical field [0001] The invention relates to a pesticide, in particular to an upland herbicide containing acetochlor and clomazone. 2. Background technology [0002] In "Compilation of Pesticide Registration Announcement" in 1998, publication date: May 1999, a wettable powder was disclosed, which contained 45% acetochlor and clomazone emulsifiable concentrate. Although it is effective, it is not compatible with the present invention. The formulations are different, and the efficacy and prevention effect are also different. [0003] The molecular formula of acetochlor is C 11 h 20 CLNO 2 , the chemical name is 2-chloro-N-ethoxymethyl-6-acetyl-O-aniline, and its structural formula is: [0004] The molecular formula of clomazone is C 12 h 14 CLNO 2 , the chemical name is 2-(2-chlorobenzyl)-4,4-dimethylisoxazol-3-one, and its structural formula is: [0005] Acetochlor is a selective pre-emergence herbicide, which can control annual grass weeds and some annual b...

Claims

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Application Information

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IPC IPC(8): A01N43/80
Inventor 吴应多
Owner 吴应多