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Three pests account for 70% US soybean loss in 2013
Jul. 23, 2014
Land grant universities in Mississippi, Louisiana, Virginia, Arkansas, Alabama, North Carolina and Tennessee develop an annual report about the effect of insects in soybeans.
The 2013 report found stink bugs are the most damaging insect in Alabama, Louisiana, Mississippi, Tennessee and Virginia. Across all states in the study, stink bugs are responsible for an increasing proportion of soybean yield insect losses.
Perhaps most important, stink bugs and corn earworm combined with soybean looper to account for more than 70% of all insect-related soybean costs and losses in these states in 2013.
The proportion of soybean fields scouted remained at 61% while the proportion of soybeans planted with insecticide seed treatments increased to 66%. Estimated yield losses from insects during 2013 were 3.86%, or $22.98/acre. An additional $25.72/acre was spent on insect monitoring and protection, giving total insect losses plus costs of $48.70/acre during 2013, lower than the impact of insects during each of the previous 3 years.
Source: Mississippi State University
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