Category Archives: Uncategorized

Getting to the Root of the Problem

Blog article #1 by Kevin Pineda (for partial fulfillment of BESC 484 requirement) Not all evidence of a plant pathogen can be seen above the surface. Phytophthora root rot caused by Phytophthora sp. is the most common cause of root rot. This rot of the root system hinders the ability of the host plant to take up water and nutrients. Below the surface, it can be observed as discoloration and decay of the roots. Phytophthora has a cell wall made of cellulose and is classified as an oomycete,… Read More →

Holiday Schedule

TPDDL will be closed from 1/2 day November 27-29th, 2019. Please refrain from sending samples during the week of November 25th to ensure your sample will arrive during our normal business hours. We will resume business on Monday, December 2nd.

Don’t Let This Disease Leave a Black Spot on Your Roses

Written by Christina Lanzoni — TPDDL Student Worker; Edited by Hannah Ayala — Extension Assistant Roses are red, leaves are green Oh no they have spots, fungi are seen Valentine’s Day is right around the corner and if you want to give your loved one some live roses, you might want to watch out for this pathogen. One of the most important diseases that affects roses is Black Spot. Black Spot is caused by the fungus, Diplocarpon rosae. While this pathogen is virulent, it does not typically kill the… Read More →

I’m a Leaf Baller, Insect Galler!

Written by Megan Turner – TPDDL Student Worker; Edited by Hannah Ayala – Extension Assistant Have you noticed strange bumps or swelling on your tree leaves? There could be something living in there! More than 2000 species of insects in the United States create these bumps, properly termed galls, to protect their young while they are developing. While most commonly caused by tiny wasps, they can also be caused by other insects, mites, nematodes, bacteria, and fungi. Eighty percent of galls reported in the US are found on… Read More →

Student worker/ BESC Internship

The Texas Plant Disease Diagnostic Lab is looking for a students who are interested in gaining some experience in an applied plant pathology service laboratory. Undergraduate Extension (Lab) assistant to assist Diagnostician and Assistant Diagnostician at the Texas Plant Disease Diagnostic Lab to perform various diagnostic analysis on plant specimens.  This is an opportunity of the motivated student gain lab work experience. Student will be trained to perform specific lab task as needed.  Desirable skills and knowledge include familiarity with computer, some basic lab skill (chemistry/biochemistry/biology/microbiology). To apply: please send resume… Read More →