North Carolina: Corn Earworms – Targeting Overwintering Pupae Could Reduce Pest Numbers Apr 22, 2022

    🕔Apr 22, 2022
    Corn earworm (also known as bollworm) is a major pest of corn, cotton, sorghum, and soybean. Monitoring has traditionally focused on the adults using light traps, and counts of worms […]

    Bioinsecticides Spread Caterpillar-Killing Virus – DTN Oct 20, 2021

    🕔Oct 20, 2021
    Frank Appleberry has a list of things to apply each spring to his crop fields in Tillar, Arkansas: preplant fertilizer, preemergence herbicides and oh, don’t forget the liquid blend of […]

    Bt Corn: Tighter EPA Regulations Are Pending Sep 11, 2020

    🕔Sep 11, 2020
    This week the EPA released a draft plan that essentially overhauls many of the regulations around insect resistance management (IRM) in Bt crops grown in the “cotton belt”. There are […]

    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 […]

    Cotton Bollworm Resistance to Bt on the Rise in China – New Study Oct 31, 2018

    🕔Oct 31, 2018
    Cotton, corn and soybeans have been genetically engineered to produce pest-killing proteins from the widespread soil bacterium Bacillus thuringiensis, or Bt. Non-toxic to people and wildlife including bees, these environmentally friendly Bt […]

    Texas: Bt (GM) Crop Resistance – Corn Rootworm, Corn Earworm, Cotton Bollworm Sep 6, 2018

    🕔Sep 6, 2018
    It has been quite a challenging summer with our Bt crops on the Texas High Plains.  This year we have seen huge numbers of corn rootworms emerging from many fields […]

    Vip3a – Only Bt Trait Without Insect Resistance – How Long Will it Last? – DTN Aug 14, 2018

    🕔Aug 14, 2018
    Is Bt broken for ear-feeding pests? And, if so, can we rescue it? Those are the questions that compelled EPA to convene a Scientific Advisory Panel in Arlington, Virginia, this […]

    Georgia Cotton: Scout ALL Fields for Corn Earworm Jul 17, 2018

    🕔Jul 17, 2018
    Bt cotton technologies have allowed cotton growers to significantly reduce insecticide inputs for caterpillar pests. However Bt cotton is not and has never been immune to corn earworm (CEW). Since […]

    North Carolina Corn: Should We Worry About Earworms in Bt Crops? Jul 9, 2018

    🕔Jul 9, 2018
    Earworm populations (known as bollworm in cotton) were relatively low in our system from 2011 to 2016. Arguably, at least a small part of this has to be due to […]

    Florida Cotton: New Insect and Mite Control Guide Available Sep 8, 2017

    🕔Sep 8, 2017
    A UF/IFAS EDIS fact sheet is now available entitled “Insect and Mite Integrated Pest Management in Florida Cotton” by Joe Funderburk, Nicole Casuso, Norman Leppla, and Michael Donahue. The guide […]


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