Encapsulated Microparticles with a Virus-Containing Core and Method for Producing the Microparticles

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This invention relates to encapsulated microparticles whose core contains viruses (such as baculoviruses), either free or attached to a carrier, and which are surrounded by a shell composed of at least 50% by weight of specific triacylglycerides (fats with fatty acid chain lengths from C10 to C24). These microparticles are produced via a high-pressure process and are designed to improve the stability and uptake of viruses used for biological pest control, for example, in agriculture.

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• Biological pest control in agricultural crops, especially orchards, by applying encapsulated baculoviruses.
• Improved delivery and stability of viruses for controlling pests such as the codling moth (Cydia pomonella) in apples.
• Reduction of reliance on synthetic chemical insecticides in integrated or organic farming.
• Use in biopesticide formulations for targeted insect eradication, minimizing harm to non-target species.

BenefitsContent extracted from patent full text and abstract with AI.

• Enhances the stability of viruses against UV degradation, leading to longer-lasting field efficacy.
• Increases uptake and effectiveness of viral agents by target pests, improving biological control outcomes.
• Provides controlled and sustained release of pheromones or feeding attractants to lure pests.
• Reduces the frequency of biopesticide applications needed, saving time and resources for farmers.
• Supports environmentally friendly pest control with reduced risk to humans, non-target organisms, and the environment.
• Enables the encapsulation of sensitive biological agents without solvents, preserving biological activity.

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Patent Abstract

The invention relates to encapsulated microparticles with a core containing viruses in free form or bound to a carrier and a shell enclosing the core. The microparticles are characterized in that the shell comprises one or more triacylglycerides having a chain length of fatty acids from C10 to C24 up to at least 50% by weight.