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Pest sprays put world food supplies at risk

 
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Vallee
Foraging Bee


Joined: 13 Mar 2010
Posts: 209
Location: Vienne, France.

PostPosted: Tue Jun 24, 2014 10:06 pm    Post subject: Pest sprays put world food supplies at risk Reply with quote

Guardian Tuesday June 24 2014.

http://www.theguardian.com/environment/2014/jun/24/insecticides-world-food-supplies-risk

For Francophiles (but try and get the English translation really interesting piece. Spoken English on video including Dave Goulson.

http://cdurable.info/Les-pesticides-systemiques-sont-une-menace-pour-la-biodiversite.html

Look out for the report in the special issue of Environmental Science and Pollution Research
http://www.springer.com/environment/journal/11356
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zaunreiter
Moderator Bee


Joined: 26 Nov 2007
Posts: 3097
Location: Germany, NorthWest

PostPosted: Fri Nov 07, 2014 12:40 pm    Post subject: Reply with quote

Quote:
Published data indicate that in most cases there is_ no_difference in soybean yield when soybean seed was_treated with neonicotinoids versus not receiving_any insect control treatment. Furthermore,_neonicotinoid seed treatments as currently applied_are only bioactive in soybean_foliage for a period_within the first 3-4_weeks of planting, which does_not overlap with typical_periods of activity for some target pests of concern.[]
In most cases, these alternatives are comparable in cost to one another and to neonicotinoid seed treatments. The cost of application was considered in this comparison, although because these alternatives can be tank-mixed with other chemicals that are typically applied to soybeans, additional passes over a field would not be necessary. In comparison to the next best alternative pest control measures, neonicotinoid seed treatments likely provide $0 in benefits to growers and at most $6 per acre in benefits (i.e., a 0%-1.7% difference in net operating revenue). Some neonicotinoid seed treatment usage could provide an insurance benefit against sporadic and unpredictable pests, particularly in the southern United States. However, BEAD did not find information to support the real-world significance of this benefit, and overall evidence indicates that any such potential benefit is not likely to be large orwidespread in the United States.

from:
Benefits of Neonicotinoid Seed Treatments to Soybean Production
UNITED STATES ENVIRONMENTAL PROTECTION AGENCY
Peer Review Date: October 3, 2014
http://www2.epa.gov/sites/production/files/2014-10/documents/benefits_of_neonicotinoid_seed_treatments_to_soybean_production_2.pdf
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