Function of nuclear transport factor 2 and Ran in the 20E signal transduction pathway in the cotton bollworm
, Helicoverpa armigera.
Each year, natural baculovirus epidemics nearly wipe out populations of some caterpillar pests, such as corn earworm, cotton bollworm
, tobacco budworm, and cabbage's nemesis--the diamondback moth," says ARS microbiologist Arthur H.
First results on synchrony between seasonal pattern of pheromone trap captures of cotton bollworm
, Helicoverpa armigera and appearance of freshly emerged larvae on developing cobs of corn hybrids.
Inhibiting the sexual behavior of female cotton bollworm
However, there are associated adverse impacts on parasitic natural enemies of cotton bollworm
Also known as the tomato fruit worm and the cotton bollworm
, corn ear worm larvae--along with other agricultural pests--cost American farmers nearly one billion dollars a year in lost crops and pesticide expenses.
Simultaneously, the quantity of insecticides used to control cotton bollworm
reduced by 96% from over 5,700 metric tons to as low as 222 metric tons of active ingredient in 2011.
The Old World cotton bollworm
, Helicoverpa armigera Hubner (Lepidoptera: Noctuidae), is one of the most important pests in the world, and is widely distributed, being present in Europe, Asia, Africa, and Oceania (Zalucki et al.
The VIPCOT technology expresses two insecticidal proteins that are highly effective against a number of important cotton pests, including cotton bollworm
(Helicoverpa zea) and tobacco budworm (Heliothis virescens).
In just 2-1/2 hours, it could detect remains of cotton bollworm
larvae in the soldier bug's gut.
One version of the toxin protects against a range of caterpillars, including the European corn borer, the cotton bollworm
and the beet armyworm.
Species treated in this volume include desert locust, mountain pine beetle, tsetse flies, cactus moth, false codling moth, Anopheles arabiensis, rice stem borers, cotton pests, New World screwworm, red palm weevil, fire ant, tarnished plant bug, Aedes albopictus, oriental fruit fly, Mediterranean fruit fly, boll weevil, cotton bollworm
, pink bollworm, codling moth, painted apple moth, and Formosan subterranean termite.
Each protein provides control of cotton bollworm
and tobacco budworm, which gives Bollgard II cotton dual efficacy for both pests.
Tobacco budworms, Heliothis virescens, and their cotton bollworm
cousins, Helicoverpa zea, cost southeastern cotton farmers several hundred million dollars a year in damage and chemical controls.
Released at the peak of pregnancy, female Trichogramma seek the perfect place to lay their eggs: directly into the eggs of such agricultural pests as the cotton bollworm
and the European corn borer.