Results 31 to 40 of about 220,498 (140)

Extended Sentinel Monitoring of Helicoverpa zea Resistance to Cry and Vip3Aa Toxins in Bt Sweet Corn: Assessing Changes in Phenotypic and Allele Frequencies of Resistance

Insects, 2023
Transgenic corn and cotton that produce Cry and Vip3Aa toxins derived from Bacillus thuringiensis (Bt) are widely planted in the United States to control lepidopteran pests.
Galen P. Dively, Tom P. Kuhar, Sally V. Taylor, Helene Doughty, Kristian Holmstrom, Daniel O. Gilrein, Brian A. Nault, Joseph Ingerson-Mahar, Anders Huseth, Dominic Reisig, Shelby Fleischer, David Owens, Kelley Tilmon, Francis Reay-Jones, Pat Porter, Jocelyn Smith, Julien Saguez, Jason Wells, Caitlin Congdon, Holly Byker, Bryan Jensen, Chris DiFonzo, William D. Hutchison, Eric Burkness, Robert Wright, Michael Crossley, Heather Darby, Tom Bilbo, Nicholas Seiter, Christian Krupke, Craig Abel, Brad S. Coates, Bradley McManus, Billy Fuller, Jeffrey Bradshaw, Julie A. Peterson, David Buntin, Silvana Paula-Moraes, Katelyn Kesheimer, Whitney Crow, Jeffrey Gore, Fangneng Huang, Dalton C. Ludwick, Amy Raudenbush, Sebastian Jimenez, Yves Carrière, Timothy Elkner, Kelly Hamby   +47 more
doaj   +1 more source

Intercropping and low‐rate banded fertilizer to reduce nitrogen leaching in sweet corn

Crop, Forage &Turfgrass Management, Volume 12, Issue 2, December 2026.
Abstract Water quality can be impacted by agricultural production on coarse‐textured, low organic matter soils where groundwater is shallow. This study investigated the effects of intercropping, decreased nitrogen rate, and precision nitrogen placement as nitrate leaching reduction strategies on sweet corn (Zea mays L.) yield.
Emma L. Schmidt, Jed B. Colquhoun
wiley   +1 more source

The Potential for Pest Management Using Plant‐Derived Signaling Compounds

Ecological Research, Volume 41, Issue 5, September 2026.
Plant‐derived signaling compounds mediate ecological interactions among plants, herbivores, their natural enemies, and neighboring plants. This graphical summary highlights three approaches to leveraging such ecological interactions for environmentally benign pest management: (1) Recruitment of natural enemies: Using herbivory‐induced plant volatiles ...
Junji Takabayashi, Kaori Shiojiri, Masayoshi Uefune, Junichiro Abe, Rika Ozawa   +4 more
wiley   +1 more source

Maize silk antibiotic polyphenol compounds and molecular genetic improvement of resistance to corn earworm (Helicoverpa zea Boddie) in sh2 sweet corn

International Journal of Plant Biology, 2010
The flavor of sh2 super-sweet corn is preferred by consumers. Unfortunately, sh2 sweet corn has little genetic variation for insect resistance. In this paper we review the functions of two loci, p1 and a1. The P1 allele has a major role in sh2 sweet corn
Baozhu Guo, Ana Butrón, Brian T. Scully
doaj   +1 more source

Factors Affecting Population Dynamics of Helicoverpa zea (Lepidoptera: Noctuidae) in a Mixed Landscape with Bt Cotton and Peanut

Insects, 2023
In North America, weather and host-plant abundance drive the population dynamics of the migratory pest Helicoverpa zea. The objectives of this study were to (i) estimate monthly abundance of H.
Izailda Barbosa dos Santos, Silvana V. Paula-Moraes, Julien M. Beuzelin, Daniel A. Hahn, Omaththage P. Perera, Clyde Fraisse   +5 more
doaj   +1 more source

Herbivore Identity and Species Richness Shape Fruit Chemical and Quality Responses to Foliar Herbivory

Ecology and Evolution, Volume 16, Issue 7, July 2026.
The cascading effects of foliar herbivory on specialized metabolism, specifically within reproductive tissue like fruit, are relatively understudied. We conducted a greenhouse experiment with varying combinations of three common pest species on fruiting strawberry plants.
Xavier Ozowara, Taylor M. Sloey, Susan R. Whitehead   +2 more
wiley   +1 more source

Effect of Blended Bt Corn Refuge on Corn Earworm (Lepidoptera: Noctuidae) Infestation and Grain Yield

Agronomy
Blended refuges for corn-expressing toxins from Bacillus thuringiensis (Bt) Berliner controls have been approved in the United States as an alternative resistance management approach to structured refuge. This study examined the impact of blended refuges
George David Buntin, Pamela Somerville Rowe   +1 more
doaj   +1 more source

Drought and Herbivory Drive Physiological and Phytohormonal Changes in Soybean (Glycine max Merril): Insights From a Meta‐Analysis

Plant, Cell &Environment, Volume 49, Issue 7, Page 4041-4053, July 2026.
ABSTRACT With climate change, abiotic and biotic stresses such as drought and herbivory are predicted to further diminish agricultural productivity. Soybean (Glycine max [L.] Merrill), a crop of global economic importance, is vulnerable to both. However, the interactive effects of drought and herbivory on soybeans haven't been explored, especially ...
Manish Gautam, Rupesh Kariyat
wiley   +1 more source

Henbit is an attainable cover crop

Agricultural &Environmental Letters, Volume 11, Issue 1, June 2026.
Henbit is a short‐season plant that grows through the winter. It seeds itself in the spring with seeds that stay dormant through the summer and germinate in the fall. Winter growth makes henbit a good cover crop for the offseason of summer cash crops. Abstract Henbit (Lamium amplexicaule L.) is a potential cover crop in the Central United States, but ...
David M. Brenner
wiley   +1 more source

An Extended Investigation of Unexpected Helicoverpa zea (Boddie) Survival and Ear Injury on a Transgenic Maize Hybrid Expressing Cry1A/Cry2A/Vip3A Toxins

Toxins, 2023
The wide occurrence of resistance to Cry1A and Cry2A insecticidal toxins from Bacillus thuringiensis (Bt) in the corn earworm/bollworm Helicoverpa zea (Boddie) leaves the Vip3A toxin produced during the vegetative stage of Bt as the only fully active ...
Fangneng Huang, Ying Niu, Tiago Silva, Sebe Brown, Tyler Towles, Dawson Kerns, Juan Luis Jurat-Fuentes, Graham P. Head, Matthew Carroll, Wade Walker, Shucong Lin   +10 more
doaj   +1 more source