Our continuing series about nutritional sprays and systemic acquired resistance (SAR) products that keep greening-infected trees alive and productive concludes with these reports from a recent Peace River Valley Citrus Growers Association tour. 
In the first two reports, Ben McLean III tells how two products have helped in groves with greening, 
and scientist Bob Rouse gives an update on research into the “Boyd cocktail”.
In the following two reports, economist Fritz Roka discusses factors growers should consider when deciding whether to remove greening-infected trees or to use the alternative treatments.
Two reports address grower Maury Boyd’s successful use of nutritional sprays and SAR products.
In the final two reports, growers Mark Manuel and 
Marty McKenna tell how they’re dealing with greening, why they took the tour and what they learned from it.
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