Cornell scientists engineered tomatoes that turn red-purple when nitrogen is low and are testing whether the colour change can help farmers use fertiliser more precisely |
Representative Image of genetically engineered tomato plants displaying red-purple hues in a field in response to nitrogen deficiency (AI-generated image) Cornell University scientists have developed genetically engineered tomato plants that turn red-purple when nitrogen becomes scarce, giving farmers a visible warning that crops may need fertiliser. Called RedAlert, the plants have moved beyond greenhouse experiments…
