PLS100BL Lab 7: Hormonal Regulation of Plant Growth (Ethylene) Experimental Demo 1

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Set up of 4 ethylene treatments (0 ppm, 0.1 ppm, 1 ppm, and 10 ppm) to observe responses of tomato explants and sunflower seedlings. We demonstrate the effect of ethylene in leaf epinasty and the triple response of etiolated seedlings.