Tag Archives: Corn

Corn Leafhoppers

As a continuation of this year’s strange insect problems, we now have Corn Leafhoppers in some corn fields of the Mid-Coast. This insect is not uncommon but showed up in corn fields in the Rio Grande Valley (RGV) a few weeks ago and is now appearing in some local corn fields in numbers great enough to cause concern. Today, May 24, I visited a Victoria County corn field and found corn leafhoppers in numbers ranging from 1 to 30 leafhoppers per leaf. Most of these insects are below… Read More →

Corn Leaf Aphids in Corn

A couple of weeks ago, Corn Leaf Aphids were found in corn fields in Calhoun and Jackson counties.  Field populations ranged from 1-3% infested plants to 40% infested plants and infested plants had 1,000-3,000 aphids per leaf in the top three leaves on the plant. Most fields were already tasseling and silking but some were pre-tassel. By the time I saw them in the field (May 2), there was already 10-20% parasitized aphid mummies and large lady beetle larvae of at least two lady beetle species. A research… Read More →

Calhoun County Corn Hybrid Trials

The Corn Hybrid Trial in Calhoun County was harvested near Port Lavaca, TX on August 19, 2020. These results should be used along with other similar tests from South Texas to help determine the what to plant next year.   A second corn hybrid trial was conducted at another location in Port Lavaca. The results of this trial can be found HERE.      

Southeast Regional Row Crop Initiative Grain & Cotton Marketing Update

Join us June 17, 2020 at 7:00 am Dr. Mark Welch – AgriLife Grain Marketing Specialist Dr. John Robinson – AgriLife Cotton Marketing Specialist Guest Speaker: David Gibson, Executive Director, Texas Corn Producers To Join Zoom Meeting Click Here: Meeting ID: 937 0559 2814 Password: 118219 SERRCI Flyer Invite

Testing for Residual Soil N can Save $ – Corn

Two trials were conducted in 2017 the objective to evaluate the effect of reducing by the amount of residual nitrogen found in soil tests at depths up to 24 inches. Each of these trials were conducted with large plots in grower fields. What follows is the research report for the Corn test. (printable version) Evaluation of Reducing Nitrogen Fertilizer Application by Residual Soil Nitrogen Found to Depths Of 24 Inches in Corn Investigator: Stephen Biles and Geri Kline Cooperator: Clay Brett                            Summary A field research trial was conducted… Read More →