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发帖数: 430 | 1 Science 20 September 2013:
Vol. 341 no. 6152 p. 1329
DOI: 10.1126/science.341.6152.1329
NEWS & ANALYSIS
AGRICULTURE
What Happens When Weed Killers Stop Killing?
Robert F. Service
Farmers in the United States are heading for a crisis. In parts of the
country, weeds resistant to the world's most popular herbicide, glyphosate,
now grow in the vast majority of soybean, cotton, and corn fields. Weeds
that can shrug off multiple other herbicides are also on the rise. At an
American Chemical Society symposium, chemists said they have little to offer
molecular mode of action for which there is no resistance. |
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