Highly spreadable ULV formulations for herbicides

By increasing the concentration of organosilicon surfactant when the liquid spraying volume decreases, the problem of reduced pesticide coverage and biological control effects at low liquid spraying volume is solved, and effective coverage and biological activity maintenance of pesticides are achieved at low liquid spraying volume.

JP7649253B2Active Publication Date: 2025-03-19BAYER AG
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Patent Information

Application Number
JP2021565953
Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
Priority Date
2019-05-08
Filing Date
2020-05-08
Publication Date
2025-03-19
Estimated Expiration
2040-05-08

AI Technical Summary

Technical Problem

The prior art At low spray volume, the spray coverage area and drop diameter are reduced, resulting in a reduction in the biological control effect of pesticides. Especially when the leaves are not wet, it is difficult for traditional spraying methods to effectively cover and retain pesticides.

Method used

By increasing the concentration of organosilicon surfactant, the concentration of active agent decreases by 50% as the amount of sprayed liquid decreases, ensuring the maintenance or increase of the coverage area and droplet diameter, it is suitable for pesticide applications at low sprayed liquid.

Benefits of technology

The effect of maintaining or improving the coverage area and biological activity of pesticides at low spray volume, especially on non-wet foliar surfaces, reducing the amount of pesticides used and equipment weight, while reducing soil compaction and environmental impact.

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Abstract

The present invention relates to pesticide compositions; their use for foliar application; their use in small spray volumes; their use by unmanned aerial systems (UAS), by unmanned guided vehicles (UGV) and by tractor-mounted boom sprayers equipped not only with conventional nozzles but also with pulse-width modulated spray nozzles or spinning disk droplet applicators; and their application to control agricultural pests, weeds or diseases, in particular on waxy leaves.
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