Fig 3. A) A set of transgenic trees with the AtNPR1 construct, B) Close-up of an HLB positive transgenic tree with the AtNPR1 construct, C) A heavily infected HLB positive control tree, D) 2 feet spacing between two adjacent trees in our field plot. Normal citrus trees are usually planted at an 8 feet spacing or more, E) Close-up of a healthy flush, F) Close-up of an HLB infected leaf.