Bulletin 229, Diseases of Citrus in Florida


that had been attacked. -The leaves of this part of the top be-
come reduced in size and number. Twigs die back, followed by
the death of the smaller branches, and this part of the tree


Fig. 32.-Orange tree dying on one side from psorosis. Two of the three
 main limbs have been girdled by an old lesion occurring at the junc-
 tion of the limbs.

ceases to be productive. When the cambium becomes injured
to such an extent that the attacked limb or trunk is more or less
completely girdled, this part of the tree dies (Fig. 32).