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Tag: "weeds" at biology news

Fight weeds with plant pathogens

...eeds. "The use of plant pathogens to suppress weeds is considered as one of the alternative weed contr...s in order to prevent the development of resistant weeds or lessen the impact of herbicides on the environment," she said. Weed management is important due...

New system could drastically reduce herbicide use

...at's more, this robot has the potential to control weeds while significantly reducing herbicide use. The robot uses GPS for navigation, and there are two small cameras mounted on a frame on top of the machine to give the robot depth perception, just like a human, said Lei Tian, agricultural engineer at th...

New flood-tolerant rice offers relief for world's poorest farmers

...'s poorest people, and may reduceyield losses from weeds in areas like the United States where rice isseede...ing that the new gene will beuseful in suppressing weeds and reducing herbicide applications forconventional and organic rice farmers in developed countries ...

Bacteria can help predict ocean change

...le and could represent the bacterial equivalent of weeds and other redundant plants. "Wherever we looked, we found predictable kinds, but within the groups there were always less predictable and more predictable members," Fuhrman said. "They're just like animals and plants in the way they function in ...

Vineyard weeds found to host Pierce's disease of grapes

...the September issue of Plant Disease suggests that weeds commonly found in California's wine country may enable the spread of Pierce's disease of grapes, one of the most destructive plant diseases affecting grapes. Pierce's disease is caused by Xylella fastidiosa, a bacterium transmitted by sharpshooters ...

Plant pathologists evaluate eco-friendly alternatives to methyl bromide

...nt used to control soilborne fungi, nematodes, and weeds of more than 100 crops worldwide. The phase out was based on methyl bromide's ability to deplete ozone and disrupt the UV protective ozone layer. The EPA determined that, under the Clean Air Act, this fumigant must be phased-out by 2001, but in compl...

Woods Hole Research Center plans controlled burn in Amazon rainforest

...azon today, as fires set by landholders to control weeds in their pastures or to burn recently felled forest in preparation for planting often escape beyond their intended boundaries. Undisturbed forests are resistant to burning because their dense leaf canopy prevents all but a tiny portion of incoming so...

Finding hidden invaders in a Hawaiian rain forest

...species, kahili ginger, one of the most disruptive weeds in Hawaiian rain forests." Asner commented on the expanded effort with the multi-institutional team: "Because Hawaii contains so many different types of ecosystems, from desert grasslands to tropical rain forests, Carnegie's ecological remote sensin...

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