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Funded Project |
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Funding Program:
Enhancement Grants - Special Projects |
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Project Title:
IPM of Invasive Stem Borers Impacting Sugarcane and Rice in the Gulf Coast Region |
Project Directors (PDs):
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Lead State: LA Lead Organization: Louisiana State University |
| Undesignated Funding: $62,071 |
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Start Date: Aug-01-2005 End Date: Jul-31-2006 |
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Pests Involved: Mexican rice borer; sugarcane borer |
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Site/Commodity: rice; sugar cane |
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Summary:
Stem borers, primarily the Mexican rice borer (MRB), Eoreuma loftini (Dyar), and sugarcane borer (SCB), Diatraea saccharalis (F.), are threatening the sugarcane and rice industries of Texas and Louisiana. These crops are crucial to the economy of the Texas/Louisiana Gulf Coast region where approximately 700,000 acres of rice and 500,000 acres of sugarcane are produced. In 2003, rice production in Texas and Louisiana was valued at $500.85 million and $1.15 billion, respectively, while sugarcane production in Louisiana was valued at $1.8 billion. The MRB is an exotic species indigenous to Mexico, but both species of stem borers are increasingly problematic on these commodities in the Gulf Coast region. In the fall of 2004, MRB was detected for the first time (via pheromone trapping) in the sugarcane-producing region of SE Texas prompting a quarantine by regulatory agencies immediately costing producers over $300,000. The quarantine prohibits the transport of sugarcane into Louisiana for processing. This recent regulatory action illustrates the increasing problematic nature of stem borers in the Gulf Coast. With increasing pest severity, weed hosts and production practices appear to play crucial roles in the ecology and population dynamics of stem borers. Thus, research is needed to quantify the relationship between weeds, cultivars, planting dates, and pre/post harvest sugarcane/rice production practices on stem borer population build-up, damage and management.
Objectives: General Objective: To develop and implement cultural and production practices as management strategies to reduce late season and overwintering stem borer threats to the sugarcane and rice industries in the Gulf Coast region. Specific Objectives: 1. Assess the role of late season cultural practices and selected weed variables in the potential management of stem borers. a. Determine the spatial role of cultivated and weed hosts in the population dynamics and management of key sugarcane and rice stem borer pests. b. Determine impact of selected rice and sugarcane harvest and post-harvest practices on production and survival of overwintering stem borers. 2. Assess pest population expansion and density changes using MRB pheromone traps and caged SCB virgin females. 3. Transfer using traditional and cutting edge technologies, improved stem borer management practices derived from this project for adoption by sugarcane and rice stakeholders. |
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