Steamy Solutions to Citrus Sickness

From tarps to steam machines, more heat could save the nation's orange and grapefruit trees.

RELATED TAGS: AGRICULTURE
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Since 2005, the bacterium Candidatus liberibacter, spread by Asian psyllid bugs, has ravaged orange and grapefruit trees in Texas, California and Florida, producing splotchy leaves and misshapen fruit. Agricultural engineer Reza Ehsani of the University of Florida helped come up with the only available treatment: heat.
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