High Tunnel Crop Talk Notes July 16, 2012

High Tunnel Crop Talk Notes July 16, 2012


Summary:  We reviewed recommended sanitation practices after a tomato crop is finished to reduce disease in following crops.

High Tunnel Crop Talk Notes 05-21-2012

Summary: Crops are progressing well with small fruit harvest underway, cukes close to harvest, tomato and pepper fruit developing. Tomato pith necrosis has been observed.

Join us again on June 4, 2012. 12:30–1:30 p.m. Eastern/11:30-12:30 Central. Point your web browser to https://gomeet.itap.purdue.edu/htct/ and click on the phone icon to be dialed in to the call, or just dial 1-866-492-6283.

Tomato pith necrosis often causes the pith to appear rotten and the external stem to have necrotic lesions.  Photo by Dan Egel.

The stems of tomato plants affected by tomato pith necrosis often appear shriveled and wrinkled. Photo by Dan Egel.

Tomato Pith Necrosis:
Tomato pith necrosis has been observed recently in a high tunnel.  This disease is caused by a bacterium.   Although observations of this disease in Indiana are infrequent, growers should scout their production for tomato pith necrosis.  Management options include avoiding excessive nitrogen fertilization and high humidity.