Bacillus Seed Coating for Flea Beetle Repulsion in Brassica
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Solution Overview
Problem
Current methods for managing flea beetles in Brassica crops, such as insecticides and trap planting, are inadequate in providing long-lasting protection and are not environmentally friendly, leading to repeated treatments and resource competition.
Innovation Solution
A method involving planting seeds of Brassica crops coated with a flea beetle repellant and ALS-inhibitor herbicide tolerant seeds, along with ALS-inhibitor susceptible trap plant seeds, where the herbicide is applied after the crop has matured, utilizing Bacillus amyloliquefaciens ssp. plantarum MBI600 to repel flea beetles.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If insecticides are used to manage flea beetles, then flea beetle damage is reduced, but environmental pollution and toxicological effects increase
Solution Approach 1:
The patent uses Bacillus amyloliquefaciens ssp. plantarum MBI600, a beneficial microorganism that produces natural repellent substances (surfactins) to protect Brassica crops from flea beetles. This converts the harmful effect of using chemical insecticides into a beneficial biological control mechanism that is environmentally friendly while effectively reducing flea beetle damage
Solution Approach 2:
The patent introduces an intermediary substance - the repellant produced by Bacillus amyloliquefaciens ssp. plantarum MBI600 - that mediates between the crop and flea beetles. This natural repellant acts as a barrier that flea beetles avoid, providing protection without the toxicological effects of chemical insecticides
2Object-affected harmful factors
If broad spectrum insecticides are applied to protect seedlings, then flea beetle damage is reduced, but crop exposure to insecticides increases
Solution Approach 1:
The patent replaces harmful broad-spectrum insecticides with a beneficial microorganism (Bacillus amyloliquefaciens ssp. plantarum MBI600) that produces natural repellents. This reduces the quantity of chemical insecticides applied while maintaining protection against flea beetles during the critical seedling stage
Solution Approach 2:
The patent applies the repellant specifically to Brassica crop seeds, creating a localized protective effect around the vulnerable seedlings without requiring widespread insecticide application. This targeted approach reduces overall insecticide exposure while providing focused protection where it is most needed
3Object-affected harmful factors
If trap plants are planted to entice insects away from the crop, then flea beetle attraction to crop is reduced, but resource competition increases
Solution Approach 1:
The patent extracts and utilizes the natural repellant properties of Bacillus amyloliquefaciens ssp. plantarum MBI600 directly on the crop seeds, eliminating the need for separate trap plants. This removes the resource competition issue while maintaining the protective function against flea beetles
Solution Approach 2:
The Bacillus amyloliquefaciens ssp. plantarum MBI600 treatment provides multiple functions: it acts as a repellant to deter flea beetles, promotes seedling establishment, and protects during the critical early growth stage. This multi-functional approach replaces the need for trap plants while avoiding resource competition
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
This approach effectively prevents flea beetles from feeding on Brassica crops for an extended period, reduces chemical insecticide exposure, and promotes environmentally friendly biopesticide use, allowing the crops to overcome the seedling stage without significant damage.
Implementation Method 1
Bacillus amyloliquefaciens ssp. plantarum MBI600 to repel flea beetles
Data Source
AI summary
The present invention relates to a method for managing flea beetles from the family of Chrysomelidae in Brassica crops. The invention further relates to seed and a kit of parts for use in this method. The invention also relates to the use of Bacillus amyloliquefaciens ssp. plantarum MBI600 for managing flea beetles in Brassica crops.