Pyridine Carboxylate Herbicide Blends for Selective Weed Control

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Solution Overview

Problem

Existing herbicides are inadequate for effectively controlling undesirable vegetation in crops without harming desirable vegetation.

Innovation Solution

Compositions comprising pyridine carboxylate herbicides and synthetic auxin herbicides or auxin transport inhibitors, applied in specific weight ratios, are used to control undesirable vegetation in crops.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If existing herbicides are used to control undesirable vegetation, then vegetation control is achieved, but desirable vegetation is harmed

Engineering Contradiction:

Improveundesirable vegetation controlVSAvoidharm to desirable vegetation

Core Design Contradiction:

ProductivityVSObject-affected harmful factors

Solution Approach 1:

The patent combines pyridine carboxylate herbicides with synthetic auxin herbicides or auxin transport inhibitors to create a composition that provides effective control of undesirable vegetation while minimizing harm to desirable crops through synergistic effects

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The patent specifies optimal weight ratios of pyridine carboxylate to synthetic auxin/herbicide combination (from 1:8000 to 300:1, with preferred ranges of 1:2225 to 175:1, 1:1500 to 100:1, and 1:1000 to 85:1) to achieve the desired balance between vegetation control effectiveness and crop safety

Inventive Principle:

Principle #35Parameter changes

2Productivity

If pyridine carboxylate herbicides are used alone, then some vegetation control is achieved, but effectiveness is insufficient

Engineering Contradiction:

Improvevegetation control effectivenessVSAvoidcontrol reliability

Core Design Contradiction:

ProductivityVSReliability

Solution Approach 1:

Inventive Principle:

Principle #5Merging (Combining)

Data Source

PatentUS12568967B2Compositions comprising pyridine carboxylate herbicides with synthetic auxin herbicides or auxin transport inhibitors

Publication Date: 2026.03.10 DOW AGROSCIENCES LLC

AI summary

Disclosed herein are compositions comprising (a) a pyridine carboxylate herbicide or an agriculturally acceptable N-oxide, salt, or ester thereof and (b) a synthetic auxin herbicide, an auxin transport inhibitor, agriculturally acceptable salts or esters thereof, or combinations thereof. Also disclosed herein are methods of controlling undesirable vegetation, comprising applying to vegetation or an area adjacent the vegetation or applying in soil or water to control the emergence or growth of vegetation (a) a pyridine carboxylate herbicide or an agriculturally acceptable N-oxide, salt, or ester thereof and (b) a synthetic auxin herbicide, an auxin transport inhibitor, agriculturally acceptable salts or esters thereof, or combinations thereof.