Boll Weevil Kill Rates by Gin Processing and Bale Compression
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Boll Weevil Kill Rates by Gin Processing and Bale Compression
The spread of agricultural insect pests from infested to non-infested areas by natural causes and the movement of infested equipment or products has always been a concern to the U.S. farming industry. Although the boll weevil (Anthonomus grandis grandis Boheman) has been eradicated over much of the U.S. cotton production area, there are still cotton production areas that are infested. This article reports on research conducted at the USDA-ARS, Southwestern Cotton Ginning Research Laboratory, Mesilla Park, New Mexico during the 2000-2001 harvest season. The research objective was 1) to determine the probability of a known number of live boll weevils surviving the gin stand, lint cleaner, and bale press portions of the cotton ginning system, and 2) to determine the risk of weevil survival in UD bales of differing density for both short- and long-term periods of time.
In summary, the probability of a live boll weevil making it through the ginning system in the United States and into a cotton bale is extremely