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The genetically engineered plants were designed to withstand attacks from the cotton bollworm by growing their own pesticide — a deadly toxin that was originally discovered in a soil bacterium ...
The larvae and adult forms of the cotton bollworm (Helicoverpa armigera) adopt different sugar-sensing systems to satisfy their requirements for food selection, according to new research.
Scientists have found that the cotton bollworm, which is also known as the corn earworm to corn growers, has developed resistance to the first generation Bt trait, Cry1A, that’s been added to ...
Suppression of Cotton Bollworm in Multiple Crops in China in Areas with Bt Toxin-Containing Cotton Science, 321 (5896), 1676-1678 DOI: 10.1126/science.1160550 ...
Caterpillars of the cotton bollworm, Helicoverpa armigera, can munch on a wide array of plants before emerging as moths. This species is the major cotton pest in China, where the study was carried ...
Larvae of the cotton bollworm are dreaded pests all over the world. They have a very wide host range: About 200 different plant species are known as potential food for the voracious insect.
"Our cotton bollworm, Helicoverpa zea, has been a pest of cotton and other crops in North America for as long as crops have been grown here," he said.
According to a new study, the cotton bollworm also experiences such changing tastes, with the larvae and adult forms of the creature having different sugar-sensing systems. A global pest, the cotton ...
By 1965, the pest was established in Southern California, Western Arizona and northwestern Mexico. A pink bollworm moth (about one-third-of-an-inch long) on a cotton boll. Alexander Yelich / UofA ...
Eradication of pink bollworm took years of committed research by USDA’s Agricultural Research Service and included planting transgenic cotton, using insect pheromones to disrupt mating ...
The one good bit of news is that bollworm larvae appear not to have developed resistance to the GM cotton. “That is a plus,” says Pinstrup-Andersen.