Show spraying to kill leaf Hop persIs important spraying to kill bill leaf hoppers on potatoes Is on important piece of work th they q are ard thick in most potato patches and causa cause hopper lurn ura 1 should ghoul d b be e e on the vines by time for the adult scalf small green insects appear usually about til first of tune and the young crop of posts pesta are out dal doing ng th their C ir work by tl the e last of this awn m th with late into potatoes it means that they will have hava a chance to flo do their destructive work before tho the tubers form |