Texas Psyllid Survey Team helps protect potato production

by Kay Ledbetter, Texas A&M AgriLife

In Southwest Farm Press

Adult potato psyllids are testing positive in the Rio Grande Valley and Pearsall. That’s all potato growers need to know across Texas to start planning how to protect their crops.

Texas A&M AgriLife Research is at the forefront of the notification process in the battle against zebra chip of potato, a disease that once almost destroyed the potato industry in Texas. While the disease is not harmful to humans, the discoloration it causes results in discounts on potatoes going into the market. Continue reading

Variety screening identifies potatoes with resistance to zebra chip disease

by Kay Ledbetter, Texas A&M AgriLife

The Texas A&M AgriLife Research plant pathology team in Amarillo intentionally infected potato plants with psyllids positive with the bacterium that causes zebra chip, a deadly disease plaguing the potato industry for the past 15 years.

The outcome is some promising germplasm that will help in the battle against the costly disease, said Dr. Charlie Rush, plant pathologist. Continue reading

APS Webinar: Overview of Zebra Chip Research in the U.S.

In support of the National Plant Disease Recovery System (NPDRS), the USDA Office of Pest Management Policy (OPMP) and APS will cohost the webinar “Overview of Zebra Chip Research in the U.S.”


May 7, 2015
10:00 – 11:00 a.m. (CDT)
Cost: Free

You must have an APS account to register. Please follow the directions
on the registration page.



Charlie Rush
Texas A&M AgriLife Research
Jim Stack
Kansas State University
Attendees will receive access information one day prior to the webinar.

 The U.S. potato industry constitutes a vital segment of American agriculture. However, the economic sustainability of this industry is threatened by an emerging disease named Zebra Chip (ZC).

This free webinar (you must have an APS account) will highlight the history of zebra chip in the U.S. and the spread of the disease around the world.

Presenter Charlie Rush, Texas A&M AgriLIfe Research and Extension Center in Amarillo, TX, focuses on the ecology and epidemiology of emerging and long-term plant disease problems of regional and national significance, and his laboratory also provides plant disease diagnostic services, under the Great Plains Diagnostic Network.

USDA scientists learn new ways to control a potato disease

From USDA ARS News

U.S. Department of Agriculture (USDA) scientists are leaving no stone unturned when it comes to finding new ways of managing “zebra chip” and the insect that can spread this plant disease to potato crops.

Continue reading