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Weedicide composition containing topramezone and eluthiacet-methyl
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A technology of methyl methoxetalate and fenflumezone, which is applied in the field of binary herbicidal composition to achieve good control effect, slow down weed resistance, and the effect of reasonable components
Active Publication Date: 2011-04-20
SHAANXI SUNGER ROAD BIO SCI
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[0008] In order to overcome the defective of existing single preparation, technical scheme of the present invention solves like this:
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Embodiment 1
[0058] Weigh 40% fenfentrazone, 40% methoxazone methyl ester, 3% TERSPERSE 2700 (polycarboxylate, produced by Huntsman, USA), 2% diffusing agent NNO (alkylnaphthalenesulfonateformaldehyde condensate) , 1% pull open powder BX (sodium dibutyl naphthalenesulfonate), 1% K-12 (sodium lauryl sulfate), 3% soluble starch, 3% glucose, and kaolin are added to 100% by weight. The above raw materials are prepared through the conventional method for preparing water-dispersible granules, ie mixing, ultra-fine airflow pulverization, mixing, and granulation steps to prepare 80% fenflumezone-methyl mesicine water-dispersible granules.
[0059] In this embodiment, the weight ratio of fenfentrazone and metrixaconate methyl can be changed between 16:1-1:8, and the total weight content of the two is still 80%, forming a new embodiment.
Embodiment 2
[0061] Weigh 8% fenfentrazone, 64% methoxazone methyl ester, TERSPERSE 2425, 4% sodium lignosulfonate, 1% pull-off powder BX, 3% carboxymethyl cellulose, 3% urea, diatomaceous earth plus to 100% by weight. The above-mentioned raw materials were prepared by the conventional method for preparing water-dispersible granules to prepare 72% fenflumezone-methyl mesicine water-dispersible granules.
[0062] In this embodiment, the weight ratio of fenfentrazone and metrixaconate methyl can be changed between 16:1 and 1:8, and the total weight content of the two is still 72%, forming a new embodiment.
Embodiment 3
[0064] Weigh 32% fenfentrazone, 8% methoxetal, 4% TERSPERSE 2700, 1% pull-off powder BX, 1% K-12, 0.8% dextrin, 5% ammoniumsulfate, and attapulgite to 100 % parts by weight. The above-mentioned raw materials are prepared through the conventional method for preparing water-dispersible granules, namely mixing, ultrafine airflow pulverization, mixing, and granulating steps to prepare 40% oxatrazone-methyl mesicine water-dispersible granules.
[0065] In this embodiment, the weight ratio of fenfentrazone and metrixaconate methyl can be changed between 16:1-1:8, and the total weight content of the two is still 40%, forming a new embodiment.
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Abstract
The invention discloses a weedicide composition for preventing and removing weeds in cornfield, particularly a weedicide for preventing and removing grassy weeds and broadleaf weeds in cornfield, which is a binary weedicide mixture composed of topramezone and eluthiacet-methyl as active components. The weight ratio of topramezone to eluthiacet-methyl in the composition is (16:1)-(1:8), preferably(8:1)-(1:2). The weedicide composition can be prepared into water-dispersion granulas, wettable powder, suspending agents, dispersible oil suspending agents, missible oil and microemulsion. The weedicide composition is used for preventing and removing weeds in cornfield, contains reasonable components, is superior to the activities of each single component applied independently in the aspect of prevention effect, widens the weed control spectrum, lowers the cost for preventing and removing weeds, slow down the generation of weed resistance, is safe for crops and conforms to the safety requirements for pesticide preparations.
Description
technical field [0001] The present invention relates to a herbicidal composition containing fenfentrazone and meridoxetate methyl, in particular to a herbicide for preventing and controlling weeds in corn fields, which is composed of fenfentrazone and meridoxetin methyl as active ingredients A binary herbicidal composition. Background technique [0002] In the past 20 years, the continuous development of herbicide varieties has led to the continuous improvement of chemical herbicide technology in corn fields, but traditional herbicide varieties are still the main herbicides used in corn fields. While targeting protopurine oxidase (Protox) and p-hydroxyphenylpyruvate dioxygenase (HPPD) has gradually become a hot spot in the development of new herbicides, the development of transgenic herbicide-tolerant corn will promote the use of total herbicides . At present, there are only atrazine, methachlor, alachlor, acetochlor, metolachlor, promethachlor, thifensulfuron, nicosulfuro...
Claims
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