Bacillus subtilis Insecticide Formulation with Palatability Enhancers
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional insecticides pose environmental risks and are not suitable for organic production, necessitating a broad-spectrum insecticidal formulation that effectively controls various insect pests without these limitations.
Innovation Solution
A formulation comprising Bacillus subtilis strain No. 5 NRRL 50391 spores, combined with palatability enhancers and endospore dispersion agents like polyamide, sorbitol, and diatomaceous earth, which is formulated into various forms such as suspensions, baits, and seed coatings to enhance insecticidal efficacy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional insecticides are used for pest control, then insecticidal efficacy is achieved, but environmental harm increases
Solution Approach 1:
The patent changes the chemical composition parameters by replacing conventional synthetic insecticides with a biological formulation containing Bacillus subtilis spores, polyamide, sorbitol, ammonium oxalate, and sodium hexametaphosphate. This parameter change maintains insecticidal efficacy while eliminating environmental harm associated with conventional chemicals.
Solution Approach 2:
The patent creates a composite biological insecticide formulation combining multiple components: Bacillus subtilis spores as the active agent, polyamide for spore dispersion, sorbitol as a carrier, ammonium oxalate and sodium hexametaphosphate as adjuvants. This composite material achieves effective pest control without the environmental harm of conventional insecticides.
2Object-affected harmful factors
If biological insecticides are used instead of conventional ones, then environmental harm is reduced, but insecticidal efficacy may be compromised
Solution Approach 1:
The patent uses polyamide, sorbitol, ammonium oxalate, and sodium hexametaphosphate as intermediary substances that facilitate the delivery and activation of Bacillus subtilis spores. These intermediaries enhance spore dispersion, adhesion to plant surfaces, and penetration into insect pests, thereby ensuring reliable insecticidal efficacy while maintaining environmental safety.
Solution Approach 2:
The patent optimizes the concentration parameters of each component in the biological formulation to ensure effective pest control. By carefully adjusting the amounts of Bacillus subtilis spores, polyamide, sorbitol, ammonium oxalate, and sodium hexametaphosphate, the formulation achieves reliable insecticidal activity comparable to conventional insecticides while remaining environmentally safe.
3Stability of the object's composition
If endospore dispersion enhancers are added to the formulation, then spore distribution is improved, but formulation complexity increases
Solution Approach 1:
The patent merges multiple functions into a single integrated formulation: Bacillus subtilis spores provide insecticidal activity, polyamide ensures spore dispersion and stability, sorbitol acts as a carrier and adjuvant, ammonium oxalate and sodium hexametaphosphate enhance spore activation and persistence. This merging of functions achieves effective spore distribution and reliable pest control through one unified product rather than multiple separate applications.
Solution Approach 2:
The patent creates a multi-functional biological insecticide formulation where each component serves multiple purposes: polyamide provides spore dispersion and formulation stability; sorbitol acts as carrier, adjuvant, and penetration enhancer; ammonium oxalate and sodium hexametaphosphate serve as activation agents and persistence enhancers. This multi-functionality reduces the need for separate additives and simplifies the overall formulation while achieving effective spore distribution.
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
The formulation effectively controls a wide range of insect pests, including grapevine leafhoppers, with significant efficacy demonstrated in laboratory assays, offering a sustainable alternative to conventional insecticides that does not harm the environment.
Implementation Method 1
The formulation allows the control of pests, without the need to use conventional insecticides
Implementation Method 2
Bacillus subtilis strain No. 5 NRRL 50391, or the formulation further comprises spores of the bacterium Bacillus subtilis strain No. 5 NRRL 50391
Implementation Method 3
the formulation further comprises diatomaceous earth, whereby the exposure of insect epithelium to the endospores is increased
Implementation Method 4
endospore dispersion enhancers, selected from the group consisting of polyamide, sorbitol, ammonium oxalate, sodium hexametaphosphate
Implementation Method 5
As attractants (palatability enhancers), a protein source, and a carbohydrate source are included
Data Source
AI summary
Chemical-free, biological insecticide formulation for the control of insect pests in plants, wherein said formulation comprises Bacillus subtilis strain No. 5 NRRL 50391, at defined concentrations, palatability enhancers or attractants, a carrier selected from clays, kaolin, tale, zeolite, water, vegetable oils, paraffinic or non-paraffinic minerals among other agents.