Clethodim Formulations for Whitefly Control and Crop Protection

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Solution Overview

Problem

There is an ongoing need for effective solutions to control whitefly infestation in agricultural and horticultural crops, which cause significant economic losses through feeding, honeydew secretion, and virus transmission.

Innovation Solution

The use of clethodim, a cyclohexanedione herbicide, as an insecticidal agent to control whiteflies by applying it in liquid compositions with agrochemically-acceptable diluents or carriers, including adjuvants such as mineral oils, vegetable oils, and alkyl ester phosphates, at effective concentrations and application rates.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If conventional insecticides are used to control whiteflies, then whitefly population is reduced, but economic losses continue due to resistance and ineffective control

Engineering Contradiction:
Improvewhitefly control effectivenessVSAvoidcrop yield protection
Core Design Contradiction:
ReliabilityVSProductivity

Solution Approach 1:

The patent applies parameter changes by using clethodim at specific concentration ranges (10-80 grams per 100 L, preferably 20-60 grams per 100 L) to achieve effective whitefly control. The invention changes the chemical parameter (herbicide concentration) to transform its function from grass control to insect pest management, resolving the contradiction between control effectiveness and crop protection

Inventive Principle:
Principle #35Parameter changes

2Reliability

If clethodim is applied at higher concentrations to improve whitefly control, then insecticidal effectiveness increases, but cost and potential harm to non-target plants increase

Engineering Contradiction:
Improveinsecticidal control effectivenessVSAvoidimpact on non-target plants
Core Design Contradiction:
ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The patent optimizes the concentration parameter to resolve the contradiction. By specifying precise application rates (10-80 grams per 100 L, with preferred ranges of 20-60 grams per 100 L and most preferably 30-45 grams per 100 L), the invention achieves effective whitefly control while minimizing harm to non-target plants. This parameter optimization allows the herbicide to function as an effective insecticide without excessive environmental impact

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The patent uses adjuvants as intermediary substances to enhance clethodim's insecticidal activity. By incorporating adjuvants into the liquid composition, the invention amplifies the effectiveness of clethodim against whiteflies, allowing lower concentrations of the active ingredient to achieve the desired control level, thereby reducing potential harm to non-target plants while maintaining high control effectiveness

Inventive Principle:
Principle #24Intermediary (Mediator)

Data Source

PatentEP4333618B1Use of clethodim for insect control
Publication Date: 2025.07.30 SYNGENTA CROP PROTECITON AG
  • EP4333618B1 patent drawing

AI summary

Use of clethodim as an insect control agent, in particular for controlling whitefly.