The Texas Plant Disease Diagnostic Laboratory will be closed Friday, Dec. 22nd thru Monday, Jan. 1st for the Christmas Holiday and New Year. If you plan to submit samples for Oak Wilt testing, the last day for us to receive them is Thursday, Dec. 7th due to their incubation period. All other samples should be received by the clinic no later than Monday, December 18th, or it is suggested you wait until we are back to our normal business hours of Monday-Friday, 8am – 5pm, Jan. 2nd, 2018.