The economics of 2019-2020 corn production has challenged many farmers to minimize production costs. Hybrid selection is one way to reduce costs. Planting corn hybrids without Bacillus thuringiensis (Bt) proteins […]
Now that we have entered autumn, many farmers are starting to think about buying corn seed for 2020. This is the perfect time to reflect upon the value of the […]
Last year we had huge numbers of corn rootworm beetles in corn around Hart in early July, and I wrote at the time that they were “probably resistant” to the mCry3a rootworm […]
Transgenic crops are an ever-evolving technology dealing with pests in the corn, cotton and sorghum fields in Hale and Swisher counties of Texas. Farmers began relying upon these technologies in […]
Canada: European Corn Borer Bt Resistance Confirmed May 17, 2019
It was recently confirmed that European corn borer (ECB) has developed resistance to the Cry1F protein in Bt corn in Nova Scotia. More information on this issue can be found […]
Texas: Bollworm Resistance to Bt Crops – What to Do? Mar 19, 2019
Cotton and corn are major cash crops in Texas with a market value of over 3 million dollars combined in 2016. With this much money at stake, producers are looking […]
The number of commercial corn hybrids expressing the Vip trait (Leptra, Viptera, and Trecepta) is increasing, and they are being marketed for improved control of ear feeding insects, including corn […]
Tennessee Corn: Bt Refuge Requirements – Podcast Feb 21, 2019
Dr. Scott Stewart updates you on Bt refuge requirements for corn and discusses Viptera trait in our latest Call of the Week.
After a brief hiatus, the Call of the Week podcast is back. This week’s episode features Dr. Scott Stewart discussing Bt traits, resistance and variety selection.
The development of resistance to Bt Cry toxins by the western corn rootworm is a growing concern, highlighted by the recent confirmation of field-evolved resistance to Cry34/35Ab1 in Iowa. Across […]