Sentences with phrase «bt maize»

The paper, «Areawide Suppression of European Corn Borer with Bt Maize Reaps Savings to Non-Bt Maize Growers,» is being published in the Oct. 8 edition of the journal Science.

In an article in the February issue of Environmental Entomology, researchers used caterpillars that were known to be resistant to Bt proteins and fed them Bt maize and Bt cotton...

This result shows for the first time that resistance to Bt maize can be inherited in a dominant rather than recessive way.

Like many other transgenic crops, Bt maize synthesises its own pesticide: a toxic protein produced in its leaves and stems, which kills pests in a matter of days.

Bt maize is not fundamentally different in this regard and in order to delay the evolution of resistance in pest populations, the concept of maintaining refuges for Bt susceptible moths was developed.

In the medium term, single - toxin Bt maize is being progressively replaced by a stacked variety producing two different toxins but, in a worst case scenario, one can not exclude that Busseola fusca could also quickly adapt to varieties expressing more than one toxin.

Since the probability of resistant individuals arising in the field is low, any resistant insects surviving on Bt maize will mate with one of the many Bt - susceptible individuals originating from the refuge area and their progeny will not survive in the Bt - maize field.

In South Africa, most farmers are still cultivating single - toxin Bt maize.

Like his colleague Daniel Giddings Vassão, Felipe Wouters is from Brazil, where fall armyworm caused major losses of the maize yield before Bt maize was introduced.

The offspring developed perfectly on Bt maize and were as resistant as the South African resistant parents.

This tactic has been successful, especially in North America where the first Bt maize has been planted since 1995 with resistance yet to develop among lepidopteran pests.

Next in line will be Bt maize (corn), also being developed by scientists at KARI, says Gichuki.

Not exact matches

Turlings's team is now looking into creating super-resistant maize by inserting the gene for caryophyllene into plants that are already engineered to produce the Bt toxin against rootworms.

Genetically engineered maize is created by introducing a gene into the plant genome that expresses a toxic protein from a bacterium, i.e. Bacillus thuringiensis (Bt).