Secondary Plant Substances in Agricultural Plant Protection, Human and Veterinary Medicine, Pharmacy, Toxicology and industrial Applications- with special emphasis on Neem and pushpull techniques

  • Hans E. Hummel Ecological Plant Protection, Justus Liebig University Giessen, Karl-Gloeckner-Str. 21 C, 35394 Giessen, Germany; University of Illinois Urbana-Champaign, Prairie Research Institute, Champaign, Illinois 61820, USA