Iron deficiency can be troublesome in either acid or alkaline soils, and can be corrected only by soil applications of chelates specific for each type of soil. However, in closely spaced groves it is desirable to limit size of trees by regular pruning. Annual topping to a height of 8 - 12 ft. Tree spacing in the row varies from 10 to 20 ft. However, commercial groves almost always require some control measures.
Local conditions vary greatly, so only generalized control measures are given below.
Please contact your local Agricultural Extension Agent for current pest control recommendations. Currently, severe tristeza virus strains are not found in Florida. Propagation of tristeza infected material can be avoided by using virus-free budwood from available clones and the Florida Budwood Registration Program. Lime blotch disease. Symptoms include chlorotic blotching of leaves, chlorotic sectoring of skin of fruit, dieback of branches, formation of gummy lesions on branches and trunk, eventually death of tree.