Sci., 61, 1413—1420 (1997). External links Signals Regulating Multiple Responses to Wounding and Herbivores Guy L. de Bruxelles and Michael R Roberts The Myriad Plant Responses to Herbivores Linda L. Walling THE CHEMICAL DEFENSES OF HIGHER PLANTS GERALD A. ROSENTHAL Induced Systemic Resistance (ISR) Against Pathogens in the Context of Induced Plant Defences MARTIN HEIL Notes from the Underground Donald R. Strong and Donald A. Phillips Relationships Among Plants, Insect Herbivores, Pathogens, and Parasitoids Expressed by Secondary Metabolites Loretta L. Mannix