E,E-8,10-dodecadienol Sustained Release for Chestnut Tortrix Control
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Solution Overview
Problem
The varying natural sex pheromone composition of the chestnut tortrix across regions complicates pest control, requiring multiple mating disruption preparations and involves costly approval processes for approved components like E,E-8,10-dodecadienyl acetate, necessitating a simpler control method.
Innovation Solution
The use of E,E-8,10-dodecadienol, a hydrolysate of E,E-8,10-dodecadienyl acetate, as a physiologically active substance in a sustained-release preparation to control chestnut tortrix, which is not contained in the natural sex pheromone composition, allowing for regional variation control without extensive approval processes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the natural sex pheromone composition of chestnut tortrix is used for mating disruption, then the control effectiveness is improved, but the complexity of product management increases due to regional variations in composition
Solution Approach 1:
The patent applies universality by developing a single mating disruption preparation containing E,E-8,10-dodecadienol that can effectively control chestnut tortrix across multiple regions in Europe, regardless of the specific natural sex pheromone composition variant present in each region. This universal solution replaces the need for multiple region-specific preparations, thereby reducing product management complexity while maintaining control effectiveness.
2Reliability
If E,E-8,10-dodecadienyl acetate is used to control chestnut tortrix, then the control effectiveness is improved, but the approval process time and cost increase
Solution Approach 1:
The patent applies this principle by using E,E-8,10-dodecadienol, a substance that does not require lengthy approval processes like registered agrochemicals. While the natural sex pheromone acetates provide effective control, they require extensive regulatory approval. The alternative alcohol-based composition provides a practical, immediately deployable solution that bypasses the lengthy approval process, accepting that it may need more frequent replacement or application.
3Reliability
If multiple mating disruption preparations are used for different regions, then the control effectiveness for each region is improved, but the quantity of substances and product variety increases
Solution Approach 1:
The patent resolves this contradiction by creating a universal mating disruption preparation based on E,E-8,10-dodecadienol that functions effectively across all European regions infested with chestnut tortrix, regardless of the specific sex pheromone composition variant. This single multi-functional preparation replaces the need for maintaining multiple region-specific products, thereby reducing product variety and quantity of substances required while preserving control effectiveness in each region.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
E,E-8,10-dodecadienol effectively suppresses chestnut tortrix damage to chestnuts, providing a cost-effective and regionally adaptable control method, with sustained-release preparations ensuring consistent release of the active substance.
Implementation Method 1
a mating disruption method of using a sex pheromone or the like is practically used against various insect pests... Sex pheromone components vary with the types of insect pests and are species-specific... disrupts mating between males and females to reduce the mating rate
Implementation Method 2
the use of a sustained-release preparation for controlling chestnut tortrix in controlling chestnut tortrix, the preparation comprising the physiologically active composition and a carrier or a container for sustainedly releasing the physiologically active substance
Data Source
AI summary
There is provided a method for controlling chestnut tortrix. More specifically, there are provided a composition physiologically active to chestnut tortrix, containing E,E-8,10-dodecadienoI, which is a substance physiologically active to chestnut tortrix; a sustained-release preparation for controlling chestnut tortrix, including the physiologically active composition and a carrier or a container for sustainedly releasing the physiologically active substance in the physiologically active composition; and a method for controlling chestnut tortrix, including a step of placing the sustained-release preparation in a field to release the physiologically active substance in the sustained-release preparation into the field.