Monsanto's Roundup Ready crops are plants that have been genetically improved by the insertion of the CP4 EPSPS coding sequence. The expression of the CP4 protein makes the crops tolerant to Roundup herbicides, allowing an over-the-top application of the herbicide to control weeds without endangering the safety of the crop.

Rapid test for CP4 from Neogen® can detect as little as one CP4 enhanced soybean among 1,000 beans (0.1%), and one NK603 Roundup Ready kernel of corn among 800 kernels (0.125%). 

Neogen’s Reveal® for CP4 (Roundup Ready) screening kits are extremely easy-to-use and interpret test strips that screen samples against set thresholds.

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