WUW: Dogs Save Citrus Groves

They fixed the damage that was caused by HLB.

They caused his orchard to go out of business.

They showed him which trees he should remove.

They identified the types of bugs in his orchard.

"We were told the psyllids weren't going to come this far north," Jackson said, gesturing toward a row of his orange trees.

Jackson started out growing pine trees and decided in 2015 to switch part of his family's farm to citrus.

The citrus industry in south and central Florida has mostly been wiped out.

By November 2018, Jackson had a grove of 4,000 full-grown trees, and he knew that HLB had invaded his part of the state.

The beg for a toy when they think a tree is infected.

They sit underneath the infected tree.

They drop a ribbon at the infected tree.

They bark when they think a tree is infected.