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Methyl bromide alternatives for California strawberry nurseries
Date:2/17/2009

to survive in the nursery fields. Fumigant effectiveness was studied in fields treated with the combination of MB plus Pic, iodomethane (IM) plus Pic, and control fields. Additional treatments tested were 1,3-dicloropropane (1,3-D) plus Pic followed by dazomet, and Pic followed by dazomet. Overall, there were few to no differences in weed control between IMPic, 1,3-D Pic followed by dazomet, Pic followed by dazomet, and MBPic. Relative to the control fields, hand-weeding times were reduced in all fields that had been fumigated.

The main difference between fumigating with the different methods was material cost. The researchers explained that, because current prices were used to calculate hand weeding and treatment costs, these prices will change over time and may become more equitable given different circumstances.

The study results showed that that fumigating with MB is currently much cheaper than using IM. On the basis of weed control, all of the alternative fumigant treatments were acceptable replacements for MB.


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Contact: Michael W. Neff
mwneff@ashs.org
703-836-4606
American Society for Horticultural Science
Source:Eurekalert  

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Methyl bromide alternatives for California strawberry nurseries
Methyl bromide alternatives for California strawberry nurseries
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