Sentences with phrase «corn insect pests»

Not exact matches

Sightings of the corn rootworm, a pest that feeds on corn roots, and the Japanese beetle, an insect that can destroy corn tassels, have actually decreased, he added.

They are applied to crop seeds such as maize (corn) and soya beans, and permeate the plants, protecting them from insect pests.

Meanwhile, the bacterial toxin, a protein called CryIA (b), is highly specific to certain insect pests, such as the European corn borer and the spruce budworm.

They used bat detectors and insect pheromone traps to monitor nightly bat activity, as well as the abundance of the corn earworm moth — a tasty treat for bats and also one of the world's most destructive crop pests.

A male and female moth of the European Corn Borer Ostrinia nubilalis: understanding the pheromone communication in this insect may contribute to a better pest control.

Increased weed and pest pressure associated with longer growing seasons and warmer winters will be an increasingly important challenge; there are already examples of earlier arrival and increased populations of some insect pests such as corn earworm.64 Furthermore, many of the most aggressive weeds, such as kudzu, benefit more than crop plants from higher atmospheric carbon dioxide, and become more resistant to herbicide control.72 Many weeds respond better than most cash crops to increasing carbon dioxide concentrations, particularly «invasive» weeds with the so - called C3 photosynthetic pathway, and with rapid and expansive growth patterns, including large allocations of below - ground biomass, such as roots.73 Research also suggests that glyphosate (for example, Roundup), the most widely - used herbicide in the United States, loses its efficacy on weeds grown at the increased carbon dioxide levels likely to occur in the coming decades.74 To date, all weed / crop competition studies where the photosynthetic pathway is the same for both species favor weed growth over crop growth as carbon dioxide is increased.72