Plant pest resistance research

Plant pest resistance research

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Credit: PEGGY GREB/US DEPARTMENT OF AGRICULTURE/SCIENCE PHOTO LIBRARY

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Caption: Plant pest resistance research. Technician preparing to extract RNA (ribonucleic acid) from samples of potato leaves treated with a systemic acquired resistance (SAR) activator. SAR is analogous to an animal's innate immune system. SAR activators are used to activate a plant's resistance to pathogens and infections.

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