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Aug
4
2009
Genetically modified corn could attract its own “pesticide”
Viagra sale, Scientists have come up with an unconventional way to rid corn crops of pests. Buy viagra no prescription, Instead of applying environmentally harmful pesticides, they suggest, viagra without a prescription, Kjøpe viagra online, farmers could grow genetically modified plants that attract pest-killing organisms.
Some corn plants can defend themselves against a common rootworm pest by emitting a chemical signal into the soil. The signal encourages enemies of the pest – a parasitic nematode – to show up and infect the rootworm larvae, where to buy viagra. Kaufen viagra, But most North American corn varieties can’t produce this chemical anymore and are vulnerable to rootworm attacks.
Researchers created a genetically modified corn line with this ability restored, then tested it in a field with nematodes, Tennessee TN Tenn. . Køb billige viagra, After being infested with rootworms, the chemical-emitting corn showed less damage to its roots than unmodified corn, ordering viagra. The number of adult rootworms emerging from the modified plants was 60 percent lower, suggesting that the corn’s chemical signal had successfully summoned the nematodes.
The results are on par with those of synthetic pesticides, the authors say, suggesting that modified plant signals could offer a more environmentally sound alternative, viagra sale. Comprar viagra, – Roberta Kwok
Source: Degenhardt, J, kopen goedkope viagra. Texas TX Tex. , et al. 2009, ordering viagra online without prescription. Viagra cheap, Restoring a maize root signal that attracts insect-killing nematodes to control a major pest. Proceedings of the National Academy of Sciences DOI: 10.1073/pnas.0906365106
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