%C Arusha, Tanzania %A D R Butler %P 99-104 %D 1990 %L icrisat4621 %X The literature of effect of weather on infection of groundnut (Arachis hypogaea L.) by late leaf sopt (phaeoisatiopsis personata) is examined. In addition, results from exeperiments at the international crop research institute for the semi-arid tropics (ICRISAT) center are used as a propose a simpple model to describe the effects of temperature and leaf wetness on infection. %T Weather Requirements for Infection by Late Leaf Spot in Groundnut