Texas Plant Disease Diagnostic Lab-
WHAT Wednesday Videos
Category Archives: GENERAL
Rose rosette
*FOR UPDATED ROSE ROSETTE INFORMATION – Please visit http://roserosette.org See how much we have gained in learning about this disease since this was posted in 2011, the pathogen that causes this disease and the vector that transmit this disease…and see how much we still do not know about this disease system* Recently there was quite a bit of “chatter” about rose rosette. This year, we have heard of reports from parts of Texas, Ohio, Michigan, Indiana, Tennessee and some other states. It seems that this disease is becoming… Read More →
First Detector Network News
This is the friday before the 3-day July 4th weekend. To think about all the changes in food and plant security in the time that this country been in existence is a little overwhelming. And think that a lot of that change occurred in the last 10 years or so. The First Detector program is a volunteer based National Plant Diagnostic Network program that recruit folks who are curious about plant pest and pathogens AND are willing to help out by being additional eyes, ears and hands on… Read More →
Date Palm Decline or Cold Damage?
My colleague and collaborator, Dr. Greta Schuster at Texas A&M – Kingsville took me around the campus to show me some of the plants where samples were taken from for our detection assay for palm phytoplasmas. In South Texas, there has been a rash of palm trees dying. Usually when the palms start to decline, one of the symptoms are yellowing leaves. In fact, there are 2 related types of phytoplasmas that are well known to affect palms. One is called Lethal Yellowing – a common problem on coconuts in… Read More →
Not just Plant Disease Diagnostics…
The Texas Plant Disease Diagnostic Lab is a part of the Extension Plant Pathology program. As such, we participate in various educational activities by providing our expertise in plant disease issues. Both K. Ong (Director and Extension Specialist) and S. McBride (Diagnostician) have conducted lectures and workshops on general plant pathology topics as well as materials on specific plant diseases. The educational programs are an essential outreach for the Plant Clinic and Extension Plant Pathology to encourage awareness of plant diseases in general, and to educate various groups… Read More →
Sweet Orange Scab in Texas
The Plant Clinic is always abuzz with activity. Recently (late July 2010) Sweet Orange Scab (a disease caused by the fungus Elsinoe australis) was confirmed by USDA-APHIS from a sample in the greater Houston area in Texas. Since then, confirmed findings of the pathogen were recorded for various places in Texas and Louisiana. Most recent was the detection of this pathogen in the valley – where the Texas citrus production industry is concentrated. The first report of this disease was made in 1937 (Bittancourt & Jenkins) but it was… Read More →
