Agrosource Incorporated 1 article published in JoVE Biology Direct Infusion Device for Molecule Delivery in Plants Brian H. Rhodes1, Richard R. Stange1, Patrick Zagorski2, Matthew G. Hentz1, Randall P. Niedz1, Robert G. Shatters1, Marco Pitino2 1United States Department of Agriculture Agricultural Research Service U.S. Horticultural Research Laboratory, 2Agrosource Incorporated This manuscript describes a novel direct plant infusion device for screening the effectiveness of molecules against the bacteria (Candidatus Liberibacter asiaticus) or its insect vector (Diaphorina citri, Kuwayama) that, in combination, are associated with Huanglongbing citrus disease.