UNDERSTANDING CORN ROOTWORM-HOST INTERACTIONS TOWARD BASIC AND APPLIED GOALS
Plant Genetics Research
Project Number: 3622-21220-007-01
Start Date: Feb 01, 2009
End Date: Jan 30, 2013
1: Isolate and identify chemical factors responsible for host recognition and host acceptance by western corn rootworm larvae.
2: Evaluate the chemistry of alternate hosts and native sources of resistance in maize to WCR larval feeding for feeding stimulants and host-recognition factors and correlate their chemical profile with WCR behavior on these plants.
3: Evaluate potential applications of WCR larval feeding stimulants.
4: Evaluate feeding behavior of WCR larvae that are resistant to Cry3Bb1 transgenic corn on Bt and isoline corn.
A collaborative approach will be taken with Colorado State University (CSU). Aspects of the proposal having to do with chemical separations and identifications will be done at CSU along with most of the behavioral bioassays. Objective 4, all field work in Objectives 2 and 3, and insect rearing will be done by ARS in Columbia, MO. Aspects done at each location will be put together toward joint accomplishments.