Detailed Images Aid Studies of Beneficial Wasps

At ARS News

By Jan Suszkiw

Using specialized digital photography methods, U.S. Department of AgricultureΒ (USDA) scientists are producing high-resolution images of members of the wasp superfamily Platygastroidea.

Of particular interest is using the images to improve the identification and taxonomic description of one- to two-millimeter-long Trissolcus wasp species that parasitize stink bugs and could have potential as biological control agents. The wasps’ larvae hatch and feed inside the bug’s eggs, killing them in the process. Some species attack the eggs of the brown marmorated stink bug (BMSB), an invasive pest from Asia that’s become established in 39 U.S. states and, in 2010, inflicted $37 million in damage to corn, soybeans, grapes and other crops.

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Louisiana cotton farmers should scout for target spot disease

From Delta Farm Press

byΒ Olivia McClure, LSU AgCenter

Louisiana cotton farmers need to be on the lookout for target spot, a fungal disease that can quickly defoliate plants.

Trey Price, LSU AgCenter plant pathologist at the Macon Ridge Research Station, said target spot is present in all cotton-producing areas of the state, with the most severe cases in Franklin, Madison and Tensas parishes.

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Carolina Cover Crops Workshop

Workshop will be at The Roper Mountain Science Center, October 3, 2014, 9 AM – 5 PM

Interested in finding out how to use annual cover crops in your crop rotation? Not sure what a cover crop is or how to select one for your region? Wondering if cover crops can be used in a no-till system?Β  Instructors of this one day class will discuss this and more details including:

  • how cover crops are beneficial
  • the difference in a cover crop and green manure
  • when to plant your cover crops
  • crop choices by season
  • when to mow/incorporate

Plus, there will be a hands on portion to this workshop (so bring your work gloves!)

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