A kind of herbicidal composition containing mesotrione and amenzazone

A herbicidal composition, a technology of amicarbazone, is applied in the directions of herbicides, algaecides, biocides, animal repellents, etc., and can solve the problems of soil and groundwater pollution, inability to guarantee the herbicidal effect, and short use period. , to prolong the spraying time, solve the safety of subsequent stubble, and have outstanding effects on water pollution and prevention.

Active Publication Date: 2015-09-16
ZIBO NAB AGROCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] At present, in the market, the herbicide products used in cornfields and sugarcane fields are mainly triazine herbicides, such as atrazine, atrazine, etc. These herbicides are mostly used for soil treatment and early emergence. Short, if there is no continuous rainfall after sowing, the opportunity of spraying will be lost, and the weeding effect cannot be guaranteed even if the pesticide is applied, and the application amount of this kind of pesticide is large, the amount of active ingredients per hectare is 1560-2400 grams, which seriously pollutes the soil and groundwater

Method used

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  • A kind of herbicidal composition containing mesotrione and amenzazone
  • A kind of herbicidal composition containing mesotrione and amenzazone
  • A kind of herbicidal composition containing mesotrione and amenzazone

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] Formulation example 1: 20% dispersible oil suspension concentrate

[0051] Raw material dosage (weight percent)

[0052] Mesotrione 5

[0053] Amenzazone 15

[0054] Organic bentonite 2.5

[0055] Silica 2.0

[0056] Calcium dodecylbenzenesulfonate 3.8

[0057] Castor Oil Ethoxylates (BY110) 9.0

[0058] Tristyrylphenol polyoxyethylene ether (Nongru 600#) 3.0

[0059] Methyl oleate make up to 100

[0060] According to the formula, each raw material is weighed and sheared evenly, and then ground, and the ground product is the 20% oil-dispersed suspending agent.

Embodiment 2

[0061] Formulation example 2: 60% wettable powder

[0062] Raw material dosage (weight percent)

[0063] Mesotrione 20.0

[0064] Amenzazone 40.0

[0065] Sodium lignosulfonate 10.0

[0066] Naphthalenesulfonate (NNO) 5.0

[0067] Sodium Lauryl Sulfate 4.0

[0068] Kaolin make up 100.0

[0069] Weigh the raw materials according to the formula, mix them evenly, and then carry out jet milling to obtain the 80% wettable powder

Embodiment 3

[0070]Formulation Example 3: 90% water dispersible granules

[0071] Raw material dosage (weight percent)

[0072] Mesotrione 25.0

[0073] Amenzazone 65.0

[0074] Polycarboxylate (2700) 6.0

[0075] Sodium Lauryl Sulfate 1.0

[0076] Cornstarch make up 100.0

[0077] Weigh the raw materials according to the formula, mix them evenly, and carry out airflow crushing, crushing, extrusion or boiling granulation, and drying to obtain the water-dispersible granules

[0078] Examples of Bioassay Applications

[0079] The field efficacy test was carried out with the composition. In the 3-5 leaf stage of summer corn, the test site was 3 mu in total. The population and quantity of weeds were evenly distributed. For the dominant species, 260-400g a.i.g / ha, watered and sprayed to compare the herbicidal activity, see Table 1-3: Herbicide efficacy table (15 days after application).

[0080] No.1, 20% mesotrione ˙ amfentrazone OD (the ratio of the original drug is 1:3), 300a.i....

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Abstract

The present invention relates to a herbicidal composition containing mesotrione and amenzazone, which uses mesotrione and amenzazone as active ingredients, and the weight ratio of the active ingredients is mesotrione: amfenflumele =1~90:90~1, the active ingredient accounts for 1%~99% by weight of the herbicidal composition. The herbicidal composition of the present invention can be used for soil sealing and post-emergence stem and leaf treatment by compounding mesotrione and amenzazone. The application period is long, the weeding effect is good, and the dosage is less than 1% of triazine agents. / 3-1 / 5, and can solve the problems of safety and water pollution after cropping, so the combination of the two has good economic and social benefits.

Description

technical field [0001] The invention relates to a herbicidal composition for corn fields and sugarcane fields, in particular to a herbicidal composition whose active ingredients are composed of mesotrione and amfentrazone. technical background [0002] Mesotrione, English common name: mesotrione, chemical name: 2-(4′-methylsulfonyl-2′-nitro-benzoyl)cyclohexane-1,3-dione, CAS number: 104206- 82-8, the structural formula is: [0003] [0004] Mesotrione is an effective inhibitor of HPPD (4-hydroxyphenylpyruvate dioxygenase), which is widely present in various organisms and catalyzes the initial reaction of plastoquinone and tocopherol biosynthesis. HPPD converts the amino acid tyrosine into plastoquinone. Plastoquinone is a cofactor of phytoene desaturase, a key enzyme in carotenoid biosynthesis. After the use of mesotrione, HPPD is inhibited, resulting in the accumulation of tyrosine in the plant meristem and the exhaustion of plastoquinone. Within 3-5 days, the yellowi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N43/653A01P13/00A01N41/10
Inventor 王丽娟许雅丽路海鹏杨帅
Owner ZIBO NAB AGROCHEM
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