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Compound microemulsion of plant growth regulator, prepn. method and use thereof

A microemulsion and co-solvent technology, applied in the agricultural field, can solve the problems of difficult preparation of microemulsion and great difference in polarity

Active Publication Date: 2008-02-13
CHINA AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the polarity of these two active ingredients is very different, and it is difficult to dissolve in a solvent, so it is difficult to prepare a microemulsion

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation Embodiment 1

[0029] Methylpiperium 16.0%

[0030] Uniconazole 5.0%

[0031] Dimethylformamide 10.0%

[0032] Ethanol 10%

[0033] Triton X-100 10%

[0034] n-Butanol 5%

[0035] water balance

[0036] Completely dissolve uniconazole with dimethylformamide, add ethanol, and stir well to make solution A; completely dissolve mepiperium with equal weight water to make solution B; mix solution A and solution B, stir well, add koji Pull through X-100 and n-butanol, make up the remaining amount of water, and stir evenly; the prepared single-phase transparent liquid is the microemulsion of the composition of the present invention.

preparation Embodiment 2

[0038] Methylpiperium 15.0%

[0039] Uniconazole 1.0%

[0040] Dimethylformamide 30%

[0041] Methanol 10%

[0042] Triton X-100 8%

[0043] Tween-80 2%

[0044] n-Butanol 5%

[0045] water balance

[0046] Completely dissolve uniconazole with dimethylformamide, add methanol, and stir well to make solution A; completely dissolve mepiperium with equal weight water to make solution B; mix solution A and solution B, stir well, add Triton X-100, Tween-80 and n-butanol are added to the remaining water and stirred evenly; the single-phase transparent liquid prepared is the microemulsion of the composition of the present invention.

preparation Embodiment 3

[0048] Methylpiperium 20.0%

[0049] Uniconazole 3.3%

[0050] Methanol 10%

[0051] Ethanol 20%

[0052] Tween-80 10%

[0053] Glycerol 5%

[0054] water balance

[0055] Completely dissolve uniconazole with methanol, add ethanol, stir well to make solution A; completely dissolve mepiperium with equal weight water to make solution B; mix solution A and solution B, stir well, add Tween-80 and glycerin, make up the remaining amount of water, and stir evenly; the single-phase transparent liquid prepared is the microemulsion of the composition of the present invention.

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PUM

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Abstract

A composite microemulsion used as plant growth regulator for wheat, soybean, peanut, paddy rice, etc contains mepiqnat chloride, uniconazole, cosolvent, emulsifier, stabilizer and water.

Description

technical field [0001] The invention belongs to the field of agricultural technology, and the invention relates to a microemulsion of a plant growth regulating composition, in particular to a plant growth regulator containing mepiperium and uniconazole as active ingredients, which is prepared by cooperating with other inert ingredients of microemulsions. Background technique [0002] The vigorous growth and lodging of wheat, soybeans, peanuts, rice and other crops has brought great losses to crop production and limited further increase in yield. Patent EP127944, Duan Liusheng et al. (Acta Pesticides, 2002) disclosed that mepiperium and paclobutrazol can be used in combination to prevent wheat lodging, but paclobutrazol remains in the soil for a long time, and there are environmental unsafe factors. Uniconazole is a triazole plant growth regulator, its physiological activity is about 5-12 times that of paclobutrazol, and its safety is better than that of paclobutrazol. The ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N43/653A01N25/04
Inventor 段留生李召虎翟志席张明才田晓莉何钟佩董学会
Owner CHINA AGRI UNIV
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