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Insecticidal Compositions Having Improved Effect

Inactive Publication Date: 2011-12-01
BAYER CROPSCIENCE AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0019]It has now been found, entirely surprisingly, that the activity of insecticides and/or acaricides from the class of the phenyl-substituted, cyclic ketoenols can be boosted significantly through the addition of ammonium salts or phosphonium salts to the as-used solution or through the incorporation of these salts into a formulation comprising phenyl-substituted, cyclic ketoenols. The present invention provides, therefore, for the use of ammonium salts or phosphonium salts to boost the activity of crop protection materials which comp

Problems solved by technology

Their activity is good, but not always entirely satisfactory, particularly at low application ra

Method used

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  • Insecticidal Compositions Having Improved Effect
  • Insecticidal Compositions Having Improved Effect
  • Insecticidal Compositions Having Improved Effect

Examples

Experimental program
Comparison scheme
Effect test

example a-1

Boosting Plant Penetration by Means of Ammonium or Phosphonium Salts and Synergistically Boosting Plant Penetration by Means of Ammonium / Phosphonium Salts in Combination with Penetrants

[0332]This test measured the penetration of active ingredients through enzymatically isolated cuticles of apple leaves.

[0333]The leaves used were cut in the fully developed state from apple trees of the Golden Delicious variety. The cuticles were isolated as follows:[0334]first of all, leaf discs marked on the underside with dye and formed by punching were filled by means of vacuum infiltration with a pectinase solution (0.2% to 2% strength) buffered to a pH of between 3 and 4,[0335]then sodium azide was added and[0336]the leaf discs thus treated were left to stand until the original leaf structure broke down and the non-cellular cuticle underwent detachment.

[0337]Thereafter only those cuticles from the top leaf sides that were free from stomata and hairs were used. They were washed a number of times ...

example a-2

[0342]Example A-2 was carried out in the same way as in Example A-1.

TABLE A-2Penetration after 24 h / %EC +EC + RMERME (1 g / l) +Active ingredientEC(1 g / l) AT (1 g / l)

500 ppm in DMF / Emulgator W 7:1 (w / w)3.512RME = Rapeseed oil methyl ester (formulated for use as 500 EW concentration figure in g active ingredient / l)AT = ammonium thiocyanateEC = emulsifiable concentrateEmulgator W = emulsifier

example a-3

[0343]Example A-3 was carried out in the same way as in Example A-1.

TABLE A-3Penetration after 24 h / %EC +EC + RME (1 g / l) + salt (1 g / l)RMEPenetrationActive ingredient(1 g / l)Saltafter 24 h / %

500 ppm in DMF / Emulgator W 7:1 (w / w)10Diammonium hydrogen- phosphate Ammonium dihydrogen- phosphate26   42RME = Rapeseed oil methyl ester (formulated for use as 500 EW, concentration figure in g active ingredient / l)EC = emulsifiable concentrateEmulgator W = emulsifier

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Abstract

The present invention concerns boosting the activity of crop protection materials comprising inhibitors of fatty acid biosynthesis (for example phenyl-substituted cyclic ketoenols) through the addition of ammonium salts and/or phosphonium salts or through the addition of ammonium salts and/or phosphonium salts and penetrants, the corresponding materials, processes for preparing them, and their use in crop protection.

Description

CROSS REFERENCE TO RELATED APPLICATION[0001]This application is a Divisional of U.S. application Ser. No. 12 / 096,904, filed Oct. 6, 2008, which claims priority to PCT / EP2006 / 011912, filed Dec. 11, 2006, which claims priority to DE 10 2005 059 469.7, filed Dec. 13, 2005, the content of which is incorporated herein by reference in its entirety.BACKGROUND OF THE INVENTION[0002]1. Field of the Invention[0003]The present invention concerns boosting the activity of crop protection materials comprising inhibitors of fatty acid biosynthesis, especially phenyl-substituted cyclic ketoenols, through the addition of ammonium salts or phosphonium salts and, if desired, penetrants, the corresponding materials, processes for preparing them, and their use in crop protection, in particular as insecticides and / or acaricides.[0004]2. Description of Related Art[0005]For 3-acylpyrrolidine-2,4-diones pharmaceutical properties have already been described (S. Suzuki et al. Chem. Pharm. Bull. 15 1120 (1967)...

Claims

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Application Information

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IPC IPC(8): A01N43/90C07D207/273C07D491/20C07D209/54C07D307/94C07D307/60C07D405/04C07D279/06C07D309/36C07D311/02C07D487/04C07D498/04C07D211/86C07C49/707A01N43/38A01N43/36A01N43/12A01N43/08A01N43/40A01N43/86A01N43/16A01N43/58A01N35/06A01P7/04A01P7/02C07D491/107
CPCA01N33/12A01N59/02A01N59/26A01N43/90A01N43/12A01N37/06A01N2300/00Y02A50/30A01N35/06A01N43/38A01N43/86
Inventor FISCHER, REINERLEHR, STEFANMARCZOK, PETERRECKMANN, UDOARNOLD, CHRISTIANHEMPEL, WALTRAUDSANWALD, ERICHPONTZEN, ROLF
Owner BAYER CROPSCIENCE AG