Section 21.32 - Maintaining Foundation Block Status(a) Trees in a foundation block must be tested by a certified laboratory to verify that foundation block trees continue to be free of diseases listed in § RSA 21.2 of this title (relating to Quarantined Pests and Diseases).(b) At a minimum, the following measures shall be taken to prevent disease contamination from internal or external sources. (1) If one or more foundation block trees become infected with a disease listed in § RSA 21.2 of this title, or a vector of such disease, the affected tree(s) must be removed immediately.(2) Tools and equipment used to cut or prune foundation block trees shall be used only in the foundation block and shall be disinfected before use on any other tree, unless: (A) it is impractical to restrict equipment use only to the foundation block; and(B) such equipment has been treated with an antimicrobial pesticide labeled to control citrus graft transmitted pathogens and/or as guidelines prescribed by the department.(3) Irrigation of the foundation block shall be performed in such a manner as to minimize the risk of transmission of diseases through the irrigation system.(4) A foundation block must be completely contained in a certified citrus nursery in accordance with Subchapter D of this chapter (relating to Citrus Nursery Stock Certification Program).4 Tex. Admin. Code § 21.32
The provisions of this §21.32 adopted to be effective November 10, 1999, 24 TexReg 9828; Amended by Texas Register, Volume 40, Number 52, December 25, 2015, TexReg 9628, eff. 12/31/2015