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Steaming of citrus trees controls greening disease
Steaming stops the spread of greening disease found in citrus trees worldwide. Since spraying chemicals to stop greening bacteria in the tree has been fruitless and is not an achievable option, different heating methods are employed in order to control greening HLB and allow citrus trees to thrive. Research conducted by the USDA along with the University of Florida has showed steam heat stops the greening process through easy and efficient means of using a controlled amount of heat.
By using steam the above ground portion of the tree is heated including leaves, fruit, trunk and branches. The steam is at a temperature high enough to suppress greening disease along with pests like citrus cankers, black spot and more, but not so high that the tree suffers damage.
Trees treated with steam have larger fruit, higher brix content and the fruit loss is immense reduced. A lot of citrus diseases have been stopped, because steam kills most bacteria and fungus on contact before it will hurt the citrus tree itself. Other tree species such as olives will be able to survive attacks of bacteria by treatments of steam.