Tuesday, 16 November 2004 - 1:05 PM
0732

Sugarbeet root maggot management: Conventional tools and the pursuit of integrated strategies

Mark A. Boetel, mboetel@ndsuext.nodak.edu, North Dakota State University, Entomology, Hultz Hall, Fargo, ND and Stefan T. Jaronski, sjaronski@sidney.ars.usda.gov, USDA Agricultural Research Service, Northern Plains Agricultural Research Laboratory, 1500 N. Central Avenue, Sidney, MT.

The sugarbeet root maggot (SBRM), Tetanops myopaeformis Röder, is a perennial problem on over two-thirds of the sugarbeet-producing acres in the United States. It also is the most serious insect pest of sugarbeet in the Red River Valley of North Dakota and Minnesota. Although the application of conventional insecticides remains as the most common means for SBRM control, a limited number of materials are currently registered and available for U.S. sugarbeet producers. Growers in the north central and western United States have relied almost solely on the same insecticide mode of action, acetylcholinesterase (ACHE) inhibition, to control the same populations of the insect for over 30 years. Therefore, the possibility of resistance development is a major concern in areas affected by the insect. Regulatory removal of currently labeled insecticides, due to human health hazards or possible negative impacts on the environment, also poses a major threat to the sustainability of SBRM management. Thus, a strong impetus exists for the development of alternative control strategies to ensure the feasibility of crop protection and the profitability of sugarbeet production in SBRM-infested areas. This presentation will include a discussion of decision aids such as population modeling and surveillance, as well as alternative control tools including cover crops, trap crops, mycoinsecticides, and host plant resistance (native and transgenic). Integrated systems of multiple management tactics also will be discussed.


Species 1: Diptera Otitidae Tetanops myopaeformis (sugarbeet root maggot)
Keywords: IPM

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