Show nicotine sulphate will check apple leafhoppers Leaf hoppers the apple leafhopper leat hopper it a destructive insect that occurs in nearly every state of the unton union may be materially checked by a single spraying with 40 per cent nicotine SUI sulphate Phate in the proportion of ct one to 1500 combined with soap the solution should be applied ap plied against first brood nymphs the same treatment mado made three or four weeks earlier to Is effective against the rose leafhopper though this species Is sel dom injurious enough to justify a special application the apple leafhopper caura causes es serious injury to apple nursery stock by extracting tr the plant juices from the terminal leaves As a consequence the leaves gradually become undersized and fall to function normally normn lly thereby retarding the growth of the trees the rose leafhopper leat hopper feeds on the lower learoa and produces produce 3 white or oc yellow enote on them |