| http://www.w3.org/ns/prov#value | - With the advent of crops that are genetically modified to produce insecticidal toxins from the bacterium Bacillus thuringiensis (Bt), a new form of host-plant resistance has been introduced to agro-ecosystems, notably corn and cotton in the U.S. How Bt crops interact with natural enemies, especially insect pathogens in below-ground systems, to affect a target insect is not well understood, but pro
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