Figure 8.

Pyrethrum Seed Trichome Content Is Insect Antifeedant and Pyrethrins Have Antifungal Properties.

(A) and (B) Percentage of cabbage leaf disk area consumed by the specialist caterpillar P. brassicae (A) and the generalist caterpillar M. brassicae (B) in relation to the surface concentration of trichome extract (n = 20).

(C) R. solani radial growth reduction given as percentage of ethanol solvent control for two tested concentrations (70 and 220 µg/mL) of trichome compounds and pyrethrin oil (n = 3).

Asterisks indicate significant differences between treatment and control (P < 0.05; Student’s t test). Error bars represent se.