RKE Technical Bulletin – May 2023

Introduction to Phosphine as a Fumigant Phosphine is a colorless, flammable, highly toxic compound most often used in fumigation. Phosphine fumigants are sold in solid form, either as aluminum phosphide or magnesium phosphide. When these solid fumigants are exposed to water vapor in the air, a chemical reaction occurs releasing phosphine gas (hydrogen phosphide) and […]

RKE Technical Bulletin – April 2023

The Cigarette Beetle Order: Coleoptera Family: Anobiidae Genus: Lasioderma Species: serrricorne The Cigarette Beetle (CB) is a Stored Product Pest, which gets it’s name from attacking tobacco wherever it is stored. It is distributed throughout tropical regions but can be found worldwide. Especially, wherever dried tobacco in the form of leaves, cigars, cigarettes, or chewing […]

RKE Technical Bulletin – March 2023

Introduction to Systemic Pesticides The term pesticide is an “umbrella” term used to describe “a substance used for destroying insects or other organisms harmful to cultivated plants or to animals.” Pesticides have different formulations, modes of action and target organisms. Many pesticides used in agriculture and horticulture are considered systemic, meaning these pesticides (typically herbicides […]

RKE Technical Bulletin – February 2023

Environmental Monitoring Every year there are hundreds of food recalls in the United States. While many are made in an abundance of caution, even more are initiated through confirmed lapses in food safety or due to biological contamination from pathogens. The pathogens of concern are Salmonella, Listeria Monocytogenes, and E. Coli. To reduce the risk […]

RKE Technical Bulletin – January 2023

Introduction to Pheromones The insect world is very diverse with around 900,000 different kinds of living insects. This representation approximates 80 percent of the world’s species. While humans can communicate by talking, insects need to communicate through the use of pheromones. Pheromones are chemicals used by insects and other animals to communicate between each other. […]

RKE Technical Bulletin – December 2022

Introduction to National Organic Program Compliant Pesticides The National Organic Program (NOP) is a USDA program. The Environmental Protection Agency’s (EPA) role is to assist USDA by assuring that USDA’s policies are implemented with regard to organic claims made by registered pesticide products. Pesticides are regulated by the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA). FIFRA […]

RKE Technical Bulletin – November 2022

Introduction to Defect Action Levels Like many things, food is not perfect. There are a certain number of defects allowable in food, this allowable quantity is known as a defect action level. Defect action level means a level of a non-hazardous, naturally occurring, unavoidable defect at which FDA may regard a food product adulterated and […]

RKE Technical Bulletin – October 2022

Introduction to Insect Orders With more than 25 orders in the insect world, classifying one can be a daunting task, understanding how orders work can also be overwhelming. Order (Latin: ordo) is one of the eight major hierarchical taxonomic ranks in Linnaean taxonomy, the particular form of biological classification (taxonomy) set up by Carl Linnaeus […]

RKE Technical Bulletin – September 2022

What are herbicides, and how do they work? Herbicides are chemicals used to manipulate or control undesirable vegetation. Also known as “weed killer,” herbicides are formulated in various chemical mixes to target different species of vegetation. The mode of action for the eradication of the weed can be different as well. Herbicides can act by […]

RKE Technical Bulletin – August 2022

Lettuce & Pathogens It seems the news is sharing stories of product recalls weekly. Not the “old school” recalls of ground beef for E. Coli, or raw chicken for Salmonella, lately it has been vegetables and the like. Currently a fast-food chain has suspended use of lettuce due to least 37 people who have gotten […]