1. Laboratorio di Chimica Biologica,Istituto Superiore di Sanita, Rome, Italy;2. Centro per la Chimica dei Recettorie delle Molecole Biologimente Attive del CNR, Universita Cattolica del S. Cuore, via Pineta Sacchetti 644, Rome, Italy
Abstract:
p-Hydroxybenzaldehyde is present in concentrations up to 30% in the wax of Sorghum bicolor seedlings. It is highly deterrent to locusts, reducing their normal feeding by 90%.