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Student 10-Minute Paper

Plant-Insect Ecosystems

Student Competition

Student

Grad Competition P-IE: IPM - Field Crops 2

Yield impact of simulated tarnished plant bug injury during late bloom on ThryvOn cotton

Monday, November 6, 2023
9:48 AM - 10:00 AM ET
Location: Gaylord National Resort & Convention Center, Potomac D
In-Person Student Competition

    Presenting Author(s)

  • Seth Permenter

    Extension Associate / Student
    Mississippi State University
    Stoneville, Mississippi

    • Co-Author(s)

  • WC

    Whitney Crow

    Mississippi State University
    Cleveland, Mississippi

  • JG

    Jeff Gore

    Mississippi State University
    Stoneville, Mississippi

  • AC

    Angus Catchot

    Mississippi State University
    Starkville, Mississippi

  • DC

    Donald Cook

    Entomologist
    Mississippi State University
    Stoneville, Mississippi

  • DG

    Drew Gholson

    Mississippi State University
    Stoneville, Mississippi

The tarnished plant bug, Lygus lineolaris (Palisot de Beauvois) is an important economic pest of cotton, Gossypium hirsutum (L.) in the Midsouth region of the United States. Continuous season long infestations in cotton may result in four or more insecticide applications per growing season targeting this insect pest alone. However, late season applications may only be preventing minor losses when compared to overall yield. The objective of this study is to determine the yield impact of square loss from tarnished plant bug feeding in late periods of flowering cotton. Methods for this study include a simulation of tarnished plant bug damage by manual removal at levels 0, 50, and 100 percent in both ThryvOn and non-ThryvOn cotton technology. Removal of squares will take place during the fourth and fifth week of the flowering period. To aid in realizing plant maturity, measurements such as plant heights, node counts, node above white flower counts, and node above crack boll counts will be taken. There may be an opportunity to increase thresholds or possibly eliminate one to two insecticide applications with further research in late season tarnished plant bug management.