By some estimates, up to 40 percent of all citrus trees in Florida are now infected with huanglongbing (HLB). Not only is it unfeasible to eradicate the disease by removing the infected trees, but also those infected trees must be kept productive to sustain the industry and support the research being conducted to find permanent solutions. Much attention has been given to what some are calling "ENPs" (enhanced nutritional programs), but these programs should more aptly be called GHPs (good horticultural practices) to better reflect the broad spectrum of tree care they provide. This article summarizes the results from two long-term studies that now, after three to four years, are showing how productive HLB-affected groves can be when well-managed.
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