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Nature-inspired crop protection uses ideas and relationships from living systems to help manage crop pests and diseases. It can draw on plant defenses, pest-targeting organisms or substances, and field practices such as crop rotation and intercropping. It is a broad set of tools—not one technology, a universal pesticide replacement, or a guarantee that a product is safe or effective simply because it is natural.
What does nature-inspired crop protection mean?
Plants have evolved structural barriers and chemical defenses against herbivores and pathogens. Crop-protection research studies these strategies for clues to useful compounds, biological controls, and crop traits. But inspiration is only a starting point: producing an active substance, formulating and applying it, and achieving reliable results in the field are distinct challenges. Reviews of plant defenses describe possible applications, not proof that every candidate is commercially established or field-proven (2017 review of botanical insecticides; 2025 review of plant natural products).
The term can refer to very different things: a plant-derived spray, a microorganism used to suppress a pest, an organism that preys on pests, or a crop-management practice that changes conditions in a field. These approaches are not interchangeable and should be considered in relation to the crop, target pest or disease, and local growing conditions.
What kinds of approaches are included?
Botanical substances
Botanical pest-control agents use plant components as active substances. The FAO describes processes such as pressing, milling, crushing, distillation, and extraction for obtaining them (FAO: Types of BPCA). A plant-derived substance may affect a pest through chemical defenses or other biological activity, but its origin alone does not establish how well a particular formulation works on a particular crop.
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Microorganisms and other biological controls
Microorganisms are one category of biological pest-control agent identified by the FAO. Biological control also includes using predators and parasitoids that act on pests. These are living agents or organisms, rather than plant extracts, and their suitability depends on the target and the crop system (FAO: Types of BPCA; FAO: Categories of alternatives).
Semiochemicals
Semiochemicals are another FAO category. They are chemical signals that can be used to influence pest behavior, for example as part of monitoring or management. They work differently from a botanical agent that acts directly on a pest, so they should not be treated as equivalent kinds of input (FAO: Types of BPCA).
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- FOR ORGANIC GARDENING: This product can be used indoors, outdoors and in greenhouses on vegetables, fruit trees, ornamentals, shrubs, flowers and gardens
- USE UP TO DAY OF HARVEST: This product may be applied to edibles up to and including the day of harvest
- KILLS BUGS THROUGH CONTACT: Controls aphids, mealybugs, mites, leafhoppers, psyllids, scale insects, thrips, whiteflies and other listed pests.
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Plant-incorporated protectants in the United States
In the United States, the Environmental Protection Agency (EPA) groups biopesticides into biochemical pesticides, microbial pesticides, and plant-incorporated protectants (PIPs). A PIP is a pesticidal substance produced by a plant together with the genetic material needed for the plant to produce it. This is a regulatory category; it is not the same thing as spraying a botanical extract or simply selecting a non-engineered crop trait (US EPA: What are biopesticides?).
Field and crop-management practices
Nature-inspired crop protection also includes decisions about how a field is planted and maintained. FAO lists practices such as intercropping, trap crops, push-pull practices, windbreaks, banker plants, mulching, soil cover, crop rotation, fertilization, and field sanitation, alongside biological control and biopesticides (FAO: Categories of alternatives). These measures may shape pest pressure or support beneficial organisms, but which ones are useful depends on the local pest, crop, and farming context.
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- TARGETS PROBLEM INSECTS - Product is intended for control of listed insects. It does not significantly impact predatory beneficial insects, predatory mites, and spiders while controlling target pests.
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Why “natural” does not guarantee consistent results
A candidate compound’s activity in nature or under laboratory conditions does not by itself show that it will provide dependable crop protection in a field. A review of botanical insecticides identifies practical factors that can affect performance, including production costs, resource availability, extraction, formulation, and application technology (Miresmailli and Isman, 2014). A separate 2025 review emphasizes the need for field trials to translate plant natural-product discoveries into crop-protection applications (2025 review of plant natural products).
Natural origin also does not establish safety, suitability for a particular crop, or authorization for a particular use. A specific product’s performance and permitted uses must be assessed on their own evidence, not inferred from the broader category.
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- Kills worms and caterpillar stage insects while causing no harm to birds, earthworms, or beneficial insects, such as honeybees and ladybugs; this product kills by ingestion, after ingesting, bugs immediately stop feeding and will die within 2-3 days
- Active ingredient of the product is a strain of the bacterium bacillus thuringiensis, which is a leading insecticide used worldwide; approved for organic gardening
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How to assess an option for a crop
Because these methods are not one-for-one substitutes, assess a proposed approach in context rather than choosing by its “natural” label. Useful checks include:
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- Target: Does the method address the pest, pathogen, or crop problem actually present?
- Type of approach: Is it a botanical or microbial product, a semiochemical, a biological-control organism, a crop trait, or a field practice?
- Evidence stage: Is the claim based on discovery or laboratory activity, or has the approach been validated under relevant field conditions?
- Practical delivery: Can it be produced, formulated, sourced, and applied reliably in the local growing system?
- Fit with other management: Does it function as an input, a behavior or monitoring tool, a biological control, or a husbandry practice—and how does it fit alongside other measures?
- Oversight and directions: Is the product authorized locally for the crop and target, and does the proposed use follow its current label?
Regulation depends on location and product
The EPA’s biopesticide descriptions explain the United States framework; they do not establish approval for a particular product in another country or for every use in the United States. Rules and approved uses depend on jurisdiction and product. Check the applicable local register and the product’s current label before use, and do not use a pesticide in a way the label does not permit (US EPA: What are biopesticides?; FAO: Categories of alternatives).
Quick Recap
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- FOR ORGANIC GARDENING: Diatomaceous earth-based formula is good for organic gardening
- FOR USE OUTDOORS: Apply a thin layer of the fine/powdery granules to plants and on the soil around plants
- KILLS BY CONTACT: Kills listed insects by contact. Dust insects directly, if possible
- CONTAINS DIATOMACEOUS EARTH: When dusted on insects, the fine/powdery granules coat their exoskeletons and absorb oils and fats, causing them to dry out and die. The granules also cut into insects’ shells, causing them to dehydrate further
- CONTROLS CRAWLING INSECTS: Kills German cockroaches, ants,* beetles,** fleas, mealybugs and other crawling insects as listed
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
