Subchapter V. Noxious Weed Control and Eradication 7 U.S. Code §7781. Definitions 7 U.S. Code §7782. Establishment of program 7 U.S. Code §7783. Grants to weed management entities 7 U.S. Code §7784. Agreements 7 U.S. Code §7785. Relationship to other programs 7 U.S. Code §7786. Authorization of appropriations