21 JUNE 1957, Page 25

LEAF CURL A reader asks about the treatment of leaf

curl found in stone fruits in this sort of weather. Lime sulphur or Bordeaux mixture are preventives, leaf curl being a fungus disease, but the immediate action is to pick off and burn the affected leaves, providing, of course, infection is not so acute as to make this dangerous to the life of the tree and what fruit it bears.