The PLU codes on produce can provide YOU with information as well as the check out clerk at the store. If you look at the 4 digit PLU codes on your produce you will be able to tell if the produce is either: conventionally grown, organically grown, or genetically engineered.
Conventionally grown: The 4 digit code will start with the number 4, example; 4011= banana
Organically grown: The code will start with the number 9, example; 94011=banana
Geneticallly Eng.: The code will start with the number 8, example; 84011=banana