Figure 5From: A strong constitutive ethylene-response phenotype conferred on Arabidopsis plants containing null mutations in the ethylene receptors ETR1 and ERS1Accelerated senescence of leaves from etr1;ers1 mutant plants. A, Leaves of five-week-old etr1-9;ers1-3 and wild-type plants showing differences in senescence. B, Increased senescence of etr1-7;ers1-2 leaves upon treatment with the ethylene precursor ACC. Five-week-old plants are shown, the ACC treatment (+) being for 27 days with 50 μM ACC. Scale bars equal 1 mm.Back to article page