Flavesone Triketone Control of Resistant Aphid Pests
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Solution Overview
Problem
Aphids, such as the Russian wheat aphid and green peach aphid, cause significant damage to crops by feeding on sap and spreading plant viruses, and existing chemical insecticides often face challenges due to aphid resistance.
Innovation Solution
Exposure of aphid pests to a pest-controlling effective amount of a triketone compound, specifically flavesone, which is effective in causing mortality in targeted aphid species.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If chemical insecticides are used to control aphids, then aphid mortality is improved, but aphid resistance to the insecticides develops
Solution Approach 1:
The patent changes the chemical structure parameter by using triketone compounds (specifically flavesone) with a novel molecular structure different from conventional insecticides. This structural parameter change provides a new mode of action that aphids have not developed resistance against, while maintaining high mortality efficacy.
2Reliability
If new insecticides are developed to overcome resistance, then effectiveness against resistant aphids is improved, but environmental friendliness may worsen
Solution Approach 1:
The triketone compounds are designed to be applied at specific rates and degrade over time, providing effective control when needed while breaking down to reduce environmental persistence. This approach balances effectiveness with environmental consideration through controlled application and natural degradation.
Data Source
AI summary
A method of controlling aphid pests including exposing the aphid pests on a host plant to a pest-controlling effective amount of a compound of formula (I):