Minnesota Corn: European Corn Borer – Implications of Reducing Bt Acres Nov 26, 2019

🕔Nov 26, 2019
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 […]

Pennsylvania Corn: Which Bt Traits Are Right for Your Operation? Sep 27, 2019

🕔Sep 27, 2019
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 […]

Texas Corn: Sorting Through Rootworm Beetle Bt Efficacy Differences Sep 2, 2019

🕔Sep 2, 2019
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 […]

Texas Cotton, Corn: Bollworms, Bt Resistance, and Field Scouting Aug 27, 2019

🕔Aug 27, 2019
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

🕔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

🕔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 […]

Mississippi: Bt Corn – How Effective Against Corn Earworms? Mar 15, 2019

🕔Mar 15, 2019
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

🕔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.

Tennessee Bt Corn: Resistance and Variety Selection – Podcast Jan 22, 2019

🕔Jan 22, 2019
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.

Illinois Bt Corn: Rootworm Resistance? You Still Have Options Jan 21, 2019

🕔Jan 21, 2019
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 […]

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