Fig. 6
Effects of 1-aminocyclopropane-1-carboxylic acid (ACC; 1 mg L−1) alone and in combination with sodium nitroprusside (ACC; 1 mg L−1 + SNP; 10 mg L−1) on DPPH activity (a), ABTS activity (b), total polyphenol content (c), and total flavonoid content (d) in petals of ‘Tico Viola’, which were collected at day 9 after treatment. Data represent mean of three replicates, while bar indicates standard deviation. Means with different letters are significantly different (LSD test, p < 0.05)