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Entomologist tries to stay ahead of insect resistance to Bt corn

08/19/14

Fall armyworms and corn borers have long been a concern for Louisiana corn growers. While farmers in the U.S. have planted transgenic Bt corn varieties since the 1990s to biologically control pests, staying ahead of their ability to develop resistance is a constant battle.

Suspected Bt corn rootworm resistance in Pennsylvania

08/13/14

For the past few years, the problem with Bt corn and resistance to western corn rootworms has remained primarily a Midwestern problem. However, suspected resistance has showed up in Pennsylvania.

Invasive weed increasingly taking hold in Kansas

07/23/14

Spurred by late spring and early summer rainfall, farmers’ row crops across much of Kansas are thriving. And so are the weeds they’re trying to control, including Palmer amaranth, an aggressive and invasive weed that used to be controlled by the popular herbicide glyphosate.

Rotation resistant and rotation susceptible WCR  (07/23/14)

Controlling large weeds: Do you feel lucky? (07/17/14)

Screening waterhemp for herbicide resistance (06/26/14)

Glyphosate-resistant common ragweed confirmed in Nebraska (06/17/14)

Palmer amaranth threatens Midwest farm economy (06/04/14)

Syngenta unveils Acuron corn herbicide brand signature (05/29/14)

Managing large Palmer amaranth in corn near atrazine cut-off  (05/19/14)


Syngenta Information

Articles

Soil insecticide and herbicide interaction potential (05/02/13)

Update on herbicide resistance in waterhemp (05/11/12)

Soil an overlooked resource (04/18/11)


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Market Commentary

Afternoon Comments 08/22


Corn traders seemed to focus on supportive factors Friday. The private crop tour of the Midwest yielded huge corn production forecasts this week, but CBOT prices finished the week strongly. That probably reflected news that drought in northeastern China could chop 3.5 million tonnes from that nation’s harvest. September corn closed up 3.25 cents at $3.655/bushel Friday, while December added 2.5 to $3.715.
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