Chapter 1. JC Zadoks. 1987. Rationale and concepts of crop loss assessment for improving pest management and crop protection. Pages 1-5.

Keywords: the exploratory period, Irish potato famine Phytophthora infestans, human deaths, potato murrain Puccinia striiformis, San Jose scale Quadraspidiotus pernicious, the emergency period, World War I, potato late blight, the implementation period, terminology injury, damage, loss