Wild Plants Might Not Work as Refuges for Stem Borers in African Bt Crops

Eldana saccharina stem borer

By Josh Lancette When using Bt crops, a constant concern is preventing insect pests from becoming resistant. According to a paper published in the Journal of Economic Entomology that contains new analysis of previous studies, a common tactic to prevent resistance in Africa might not be working as hoped. Bt crops are plants that have […]

Scientists Discover How Bollworm Becomes Resistant to Bt Crops

Bt crops are plants that have been genetically-engineered to produce proteins that are harmless to humans but are toxic to some devastating insect pests. The proteins are produced by genes from the bacterium Bacillus thuringiensis (Bt) that have been inserted into the crops. These same Bt proteins have been used by organic farmers for more […]